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MTD pull for 3.3

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Merge tag 'for-linus-3.3' of git://git.infradead.org/mtd-2.6

MTD pull for 3.3

* tag 'for-linus-3.3' of git://git.infradead.org/mtd-2.6: (113 commits)
  mtd: Fix dependency for MTD_DOC200x
  mtd: do not use mtd->block_markbad directly
  logfs: do not use 'mtd->block_isbad' directly
  mtd: introduce mtd_can_have_bb helper
  mtd: do not use mtd->suspend and mtd->resume directly
  mtd: do not use mtd->lock, unlock and is_locked directly
  mtd: do not use mtd->sync directly
  mtd: harmonize mtd_writev usage
  mtd: do not use mtd->lock_user_prot_reg directly
  mtd: mtd->write_user_prot_reg directly
  mtd: do not use mtd->read_*_prot_reg directly
  mtd: do not use mtd->get_*_prot_info directly
  mtd: do not use mtd->read_oob directly
  mtd: mtdoops: do not use mtd->panic_write directly
  romfs: do not use mtd->get_unmapped_area directly
  mtd: do not use mtd->get_unmapped_area directly
  mtd: do use mtd->point directly
  mtd: introduce mtd_has_oob helper
  mtd: mtdcore: export symbols cleanup
  mtd: clean-up the default_mtd_writev function
  ...

Fix up trivial edit/remove conflict in drivers/staging/spectra/lld_mtd.c
This commit is contained in:
Linus Torvalds 2012-01-10 13:45:22 -08:00
commit 7b3480f8b7
114 changed files with 2764 additions and 1795 deletions
Download patch file Download diff file Expand all files Collapse all files

8
drivers/mtd/Kconfig
View file

@ -140,6 +140,14 @@ config MTD_AR7_PARTS
---help---
TI AR7 partitioning support
config MTD_BCM63XX_PARTS
tristate "BCM63XX CFE partitioning support"
depends on BCM63XX
select CRC32
help
This provides partions parsing for BCM63xx devices with CFE
bootloaders.
comment "User Modules And Translation Layers"
config MTD_CHAR

1
drivers/mtd/Makefile
View file

@ -11,6 +11,7 @@ obj-$(CONFIG_MTD_REDBOOT_PARTS) += redboot.o
obj-$(CONFIG_MTD_CMDLINE_PARTS) += cmdlinepart.o
obj-$(CONFIG_MTD_AFS_PARTS) += afs.o
obj-$(CONFIG_MTD_AR7_PARTS) += ar7part.o
obj-$(CONFIG_MTD_BCM63XX_PARTS) += bcm63xxpart.o
# 'Users' - code which presents functionality to userspace.
obj-$(CONFIG_MTD_CHAR) += mtdchar.o

4
drivers/mtd/afs.c
View file

@ -75,7 +75,7 @@ afs_read_footer(struct mtd_info *mtd, u_int *img_start, u_int *iis_start,
size_t sz;
int ret;
ret = mtd->read(mtd, ptr, sizeof(fs), &sz, (u_char *) &fs);
ret = mtd_read(mtd, ptr, sizeof(fs), &sz, (u_char *)&fs);
if (ret >= 0 && sz != sizeof(fs))
ret = -EINVAL;
@ -132,7 +132,7 @@ afs_read_iis(struct mtd_info *mtd, struct image_info_struct *iis, u_int ptr)
int ret, i;
memset(iis, 0, sizeof(*iis));
ret = mtd->read(mtd, ptr, sizeof(*iis), &sz, (u_char *) iis);
ret = mtd_read(mtd, ptr, sizeof(*iis), &sz, (u_char *)iis);
if (ret < 0)
goto failed;

15
drivers/mtd/ar7part.c
View file

@ -73,8 +73,8 @@ static int create_mtd_partitions(struct mtd_info *master,
do { /* Try 10 blocks starting from master->erasesize */
offset = pre_size;
master->read(master, offset,
sizeof(header), &len, (uint8_t *)&header);
mtd_read(master, offset, sizeof(header), &len,
(uint8_t *)&header);
if (!strncmp((char *)&header, "TIENV0.8", 8))
ar7_parts[1].offset = pre_size;
if (header.checksum == LOADER_MAGIC1)
@ -95,16 +95,16 @@ static int create_mtd_partitions(struct mtd_info *master,
case LOADER_MAGIC1:
while (header.length) {
offset += sizeof(header) + header.length;
master->read(master, offset, sizeof(header),
&len, (uint8_t *)&header);
mtd_read(master, offset, sizeof(header), &len,
(uint8_t *)&header);
}
root_offset = offset + sizeof(header) + 4;
break;
case LOADER_MAGIC2:
while (header.length) {
offset += sizeof(header) + header.length;
master->read(master, offset, sizeof(header),
&len, (uint8_t *)&header);
mtd_read(master, offset, sizeof(header), &len,
(uint8_t *)&header);
}
root_offset = offset + sizeof(header) + 4 + 0xff;
root_offset &= ~(uint32_t)0xff;
@ -114,8 +114,7 @@ static int create_mtd_partitions(struct mtd_info *master,
break;
}
master->read(master, root_offset,
sizeof(header), &len, (u8 *)&header);
mtd_read(master, root_offset, sizeof(header), &len, (u8 *)&header);
if (header.checksum != SQUASHFS_MAGIC) {
root_offset += master->erasesize - 1;
root_offset &= ~(master->erasesize - 1);

222
drivers/mtd/bcm63xxpart.c Normal file
View file

@ -0,0 +1,222 @@
/*
* BCM63XX CFE image tag parser
*
* Copyright © 2006-2008 Florian Fainelli <florian@openwrt.org>
* Mike Albon <malbon@openwrt.org>
* Copyright © 2009-2010 Daniel Dickinson <openwrt@cshore.neomailbox.net>
* Copyright © 2011 Jonas Gorski <jonas.gorski@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/crc32.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <asm/mach-bcm63xx/bcm963xx_tag.h>
#include <asm/mach-bcm63xx/board_bcm963xx.h>
#define BCM63XX_EXTENDED_SIZE 0xBFC00000 /* Extended flash address */
#define BCM63XX_MIN_CFE_SIZE 0x10000 /* always at least 64KiB */
#define BCM63XX_MIN_NVRAM_SIZE 0x10000 /* always at least 64KiB */
#define BCM63XX_CFE_MAGIC_OFFSET 0x4e0
static int bcm63xx_detect_cfe(struct mtd_info *master)
{
char buf[9];
int ret;
size_t retlen;
ret = mtd_read(master, BCM963XX_CFE_VERSION_OFFSET, 5, &retlen,
(void *)buf);
buf[retlen] = 0;
if (ret)
return ret;
if (strncmp("cfe-v", buf, 5) == 0)
return 0;
/* very old CFE's do not have the cfe-v string, so check for magic */
ret = mtd_read(master, BCM63XX_CFE_MAGIC_OFFSET, 8, &retlen,
(void *)buf);
buf[retlen] = 0;
return strncmp("CFE1CFE1", buf, 8);
}
static int bcm63xx_parse_cfe_partitions(struct mtd_info *master,
struct mtd_partition **pparts,
struct mtd_part_parser_data *data)
{
/* CFE, NVRAM and global Linux are always present */
int nrparts = 3, curpart = 0;
struct bcm_tag *buf;
struct mtd_partition *parts;
int ret;
size_t retlen;
unsigned int rootfsaddr, kerneladdr, spareaddr;
unsigned int rootfslen, kernellen, sparelen, totallen;
unsigned int cfelen, nvramlen;
int namelen = 0;
int i;
u32 computed_crc;
if (bcm63xx_detect_cfe(master))
return -EINVAL;
cfelen = max_t(uint32_t, master->erasesize, BCM63XX_MIN_CFE_SIZE);
nvramlen = max_t(uint32_t, master->erasesize, BCM63XX_MIN_NVRAM_SIZE);
/* Allocate memory for buffer */
buf = vmalloc(sizeof(struct bcm_tag));
if (!buf)
return -ENOMEM;
/* Get the tag */
ret = mtd_read(master, cfelen, sizeof(struct bcm_tag), &retlen,
(void *)buf);
if (retlen != sizeof(struct bcm_tag)) {
vfree(buf);
return -EIO;
}
computed_crc = crc32_le(IMAGETAG_CRC_START, (u8 *)buf,
offsetof(struct bcm_tag, header_crc));
if (computed_crc == buf->header_crc) {
char *boardid = &(buf->board_id[0]);
char *tagversion = &(buf->tag_version[0]);
sscanf(buf->kernel_address, "%u", &kerneladdr);
sscanf(buf->kernel_length, "%u", &kernellen);
sscanf(buf->total_length, "%u", &totallen);
pr_info("CFE boot tag found with version %s and board type %s\n",
tagversion, boardid);
kerneladdr = kerneladdr - BCM63XX_EXTENDED_SIZE;
rootfsaddr = kerneladdr + kernellen;
spareaddr = roundup(totallen, master->erasesize) + cfelen;
sparelen = master->size - spareaddr - nvramlen;
rootfslen = spareaddr - rootfsaddr;
} else {
pr_warn("CFE boot tag CRC invalid (expected %08x, actual %08x)\n",
buf->header_crc, computed_crc);
kernellen = 0;
rootfslen = 0;
rootfsaddr = 0;
spareaddr = cfelen;
sparelen = master->size - cfelen - nvramlen;
}
/* Determine number of partitions */
namelen = 8;
if (rootfslen > 0) {
nrparts++;
namelen += 6;
}
if (kernellen > 0) {
nrparts++;
namelen += 6;
}
/* Ask kernel for more memory */
parts = kzalloc(sizeof(*parts) * nrparts + 10 * nrparts, GFP_KERNEL);
if (!parts) {
vfree(buf);
return -ENOMEM;
}
/* Start building partition list */
parts[curpart].name = "CFE";
parts[curpart].offset = 0;
parts[curpart].size = cfelen;
curpart++;
if (kernellen > 0) {
parts[curpart].name = "kernel";
parts[curpart].offset = kerneladdr;
parts[curpart].size = kernellen;
curpart++;
}
if (rootfslen > 0) {
parts[curpart].name = "rootfs";
parts[curpart].offset = rootfsaddr;
parts[curpart].size = rootfslen;
if (sparelen > 0)
parts[curpart].size += sparelen;
curpart++;
}
parts[curpart].name = "nvram";
parts[curpart].offset = master->size - nvramlen;
parts[curpart].size = nvramlen;
/* Global partition "linux" to make easy firmware upgrade */
curpart++;
parts[curpart].name = "linux";
parts[curpart].offset = cfelen;
parts[curpart].size = master->size - cfelen - nvramlen;
for (i = 0; i < nrparts; i++)
pr_info("Partition %d is %s offset %lx and length %lx\n", i,
parts[i].name, (long unsigned int)(parts[i].offset),
(long unsigned int)(parts[i].size));
pr_info("Spare partition is offset %x and length %x\n", spareaddr,
sparelen);
*pparts = parts;
vfree(buf);
return nrparts;
};
static struct mtd_part_parser bcm63xx_cfe_parser = {
.owner = THIS_MODULE,
.parse_fn = bcm63xx_parse_cfe_partitions,
.name = "bcm63xxpart",
};
static int __init bcm63xx_cfe_parser_init(void)
{
return register_mtd_parser(&bcm63xx_cfe_parser);
}
static void __exit bcm63xx_cfe_parser_exit(void)
{
deregister_mtd_parser(&bcm63xx_cfe_parser);
}
module_init(bcm63xx_cfe_parser_init);
module_exit(bcm63xx_cfe_parser_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Daniel Dickinson <[email protected]>");
MODULE_AUTHOR("Florian Fainelli <[email protected]>");
MODULE_AUTHOR("Mike Albon <[email protected]>");
MODULE_AUTHOR("Jonas Gorski <[email protected]");
MODULE_DESCRIPTION("MTD partitioning for BCM63XX CFE bootloaders");

13
drivers/mtd/chips/cfi_cmdset_0020.c
View file

@ -139,8 +139,9 @@ struct mtd_info *cfi_cmdset_0020(struct map_info *map, int primary)
}
/* Do some byteswapping if necessary */
extp->FeatureSupport = cfi32_to_cpu(extp->FeatureSupport);
extp->BlkStatusRegMask = cfi32_to_cpu(extp->BlkStatusRegMask);
extp->FeatureSupport = cfi32_to_cpu(map, extp->FeatureSupport);
extp->BlkStatusRegMask = cfi32_to_cpu(map,
extp->BlkStatusRegMask);
#ifdef DEBUG_CFI_FEATURES
/* Tell the user about it in lots of lovely detail */
@ -698,7 +699,8 @@ cfi_staa_writev(struct mtd_info *mtd, const struct kvec *vecs,
continue;
}
memcpy(buffer+buflen, elem_base, ECCBUF_SIZE-buflen);
ret = mtd->write(mtd, to, ECCBUF_SIZE, &thislen, buffer);
ret = mtd_write(mtd, to, ECCBUF_SIZE, &thislen,
buffer);
totlen += thislen;
if (ret || thislen != ECCBUF_SIZE)
goto write_error;
@ -707,7 +709,8 @@ cfi_staa_writev(struct mtd_info *mtd, const struct kvec *vecs,
to += ECCBUF_SIZE;
}
if (ECCBUF_DIV(elem_len)) { /* write clean aligned data */
ret = mtd->write(mtd, to, ECCBUF_DIV(elem_len), &thislen, elem_base);
ret = mtd_write(mtd, to, ECCBUF_DIV(elem_len),
&thislen, elem_base);
totlen += thislen;
if (ret || thislen != ECCBUF_DIV(elem_len))
goto write_error;
@ -721,7 +724,7 @@ cfi_staa_writev(struct mtd_info *mtd, const struct kvec *vecs,
}
if (buflen) { /* flush last page, even if not full */
/* This is sometimes intended behaviour, really */
ret = mtd->write(mtd, to, buflen, &thislen, buffer);
ret = mtd_write(mtd, to, buflen, &thislen, buffer);
totlen += thislen;
if (ret || thislen != ECCBUF_SIZE)
goto write_error;

12
drivers/mtd/devices/Kconfig
View file

@ -191,6 +191,7 @@ comment "Disk-On-Chip Device Drivers"
config MTD_DOC2000
tristate "M-Systems Disk-On-Chip 2000 and Millennium (DEPRECATED)"
depends on MTD_NAND
select MTD_DOCPROBE
select MTD_NAND_IDS
---help---
@ -213,6 +214,7 @@ config MTD_DOC2000
config MTD_DOC2001
tristate "M-Systems Disk-On-Chip Millennium-only alternative driver (DEPRECATED)"
depends on MTD_NAND
select MTD_DOCPROBE
select MTD_NAND_IDS
---help---
@ -234,6 +236,7 @@ config MTD_DOC2001
config MTD_DOC2001PLUS
tristate "M-Systems Disk-On-Chip Millennium Plus"
depends on MTD_NAND
select MTD_DOCPROBE
select MTD_NAND_IDS
---help---
@ -251,6 +254,8 @@ config MTD_DOC2001PLUS
config MTD_DOCG3
tristate "M-Systems Disk-On-Chip G3"
select BCH
select BCH_CONST_PARAMS
---help---
This provides an MTD device driver for the M-Systems DiskOnChip
G3 devices.
@ -259,6 +264,13 @@ config MTD_DOCG3
M-Systems and now Sandisk. The support is very experimental,
and doesn't give access to any write operations.
if MTD_DOCG3
config BCH_CONST_M
default 14
config BCH_CONST_T
default 4
endif
config MTD_DOCPROBE
tristate
select MTD_DOCECC

2
drivers/mtd/devices/block2mtd.c
View file

@ -287,7 +287,7 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size)
dev->mtd.flags = MTD_CAP_RAM;
dev->mtd.erase = block2mtd_erase;
dev->mtd.write = block2mtd_write;
dev->mtd.writev = default_mtd_writev;
dev->mtd.writev = mtd_writev;
dev->mtd.sync = block2mtd_sync;
dev->mtd.read = block2mtd_read;
dev->mtd.priv = dev;

9
drivers/mtd/devices/doc2000.c
View file

@ -562,23 +562,14 @@ void DoC2k_init(struct mtd_info *mtd)
mtd->type = MTD_NANDFLASH;
mtd->flags = MTD_CAP_NANDFLASH;
mtd->size = 0;
mtd->erasesize = 0;
mtd->writesize = 512;
mtd->oobsize = 16;
mtd->owner = THIS_MODULE;
mtd->erase = doc_erase;
mtd->point = NULL;
mtd->unpoint = NULL;
mtd->read = doc_read;
mtd->write = doc_write;
mtd->read_oob = doc_read_oob;
mtd->write_oob = doc_write_oob;
mtd->sync = NULL;
this->totlen = 0;
this->numchips = 0;
this->curfloor = -1;
this->curchip = -1;
mutex_init(&this->lock);

8
drivers/mtd/devices/doc2001.c
View file

@ -343,25 +343,17 @@ void DoCMil_init(struct mtd_info *mtd)
mtd->type = MTD_NANDFLASH;
mtd->flags = MTD_CAP_NANDFLASH;
mtd->size = 0;
/* FIXME: erase size is not always 8KiB */
mtd->erasesize = 0x2000;
mtd->writesize = 512;
mtd->oobsize = 16;
mtd->owner = THIS_MODULE;
mtd->erase = doc_erase;
mtd->point = NULL;
mtd->unpoint = NULL;
mtd->read = doc_read;
mtd->write = doc_write;
mtd->read_oob = doc_read_oob;
mtd->write_oob = doc_write_oob;
mtd->sync = NULL;
this->totlen = 0;
this->numchips = 0;
this->curfloor = -1;
this->curchip = -1;

9
drivers/mtd/devices/doc2001plus.c
View file

@ -467,23 +467,14 @@ void DoCMilPlus_init(struct mtd_info *mtd)
mtd->type = MTD_NANDFLASH;
mtd->flags = MTD_CAP_NANDFLASH;
mtd->size = 0;
mtd->erasesize = 0;
mtd->writesize = 512;
mtd->oobsize = 16;
mtd->owner = THIS_MODULE;
mtd->erase = doc_erase;
mtd->point = NULL;
mtd->unpoint = NULL;
mtd->read = doc_read;
mtd->write = doc_write;
mtd->read_oob = doc_read_oob;
mtd->write_oob = doc_write_oob;
mtd->sync = NULL;
this->totlen = 0;
this->numchips = 0;
this->curfloor = -1;
this->curchip = -1;

1521
drivers/mtd/devices/docg3.c
View file

File diff suppressed because it is too large Load diff

65
drivers/mtd/devices/docg3.h
View file

@ -51,10 +51,19 @@
#define DOC_LAYOUT_WEAR_OFFSET (DOC_LAYOUT_PAGE_OOB_SIZE * 2)
#define DOC_LAYOUT_BLOCK_SIZE \
(DOC_LAYOUT_PAGES_PER_BLOCK * DOC_LAYOUT_PAGE_SIZE)
/*
* ECC related constants
*/
#define DOC_ECC_BCH_M 14
#define DOC_ECC_BCH_T 4
#define DOC_ECC_BCH_PRIMPOLY 0x4443
#define DOC_ECC_BCH_SIZE 7
#define DOC_ECC_BCH_COVERED_BYTES \
(DOC_LAYOUT_PAGE_SIZE + DOC_LAYOUT_OOB_PAGEINFO_SZ + \
DOC_LAYOUT_OOB_HAMMING_SZ + DOC_LAYOUT_OOB_BCH_SZ)
DOC_LAYOUT_OOB_HAMMING_SZ)
#define DOC_ECC_BCH_TOTAL_BYTES \
(DOC_ECC_BCH_COVERED_BYTES + DOC_LAYOUT_OOB_BCH_SZ)
/*
* Blocks distribution
@ -80,6 +89,7 @@
#define DOC_CHIPID_G3 0x200
#define DOC_ERASE_MARK 0xaa
#define DOC_MAX_NBFLOORS 4
/*
* Flash registers
*/
@ -105,9 +115,11 @@
#define DOC_ECCCONF1 0x1042
#define DOC_ECCPRESET 0x1044
#define DOC_HAMMINGPARITY 0x1046
#define DOC_BCH_SYNDROM(idx) (0x1048 + (idx << 1))
#define DOC_BCH_HW_ECC(idx) (0x1048 + idx)
#define DOC_PROTECTION 0x1056
#define DOC_DPS0_KEY 0x105c
#define DOC_DPS1_KEY 0x105e
#define DOC_DPS0_ADDRLOW 0x1060
#define DOC_DPS0_ADDRHIGH 0x1062
#define DOC_DPS1_ADDRLOW 0x1064
@ -117,6 +129,7 @@
#define DOC_ASICMODECONFIRM 0x1072
#define DOC_CHIPID_INV 0x1074
#define DOC_POWERMODE 0x107c
/*
* Flash sequences
@ -124,11 +137,14 @@
*/
#define DOC_SEQ_RESET 0x00
#define DOC_SEQ_PAGE_SIZE_532 0x03
#define DOC_SEQ_SET_MODE 0x09
#define DOC_SEQ_SET_FASTMODE 0x05
#define DOC_SEQ_SET_RELIABLEMODE 0x09
#define DOC_SEQ_READ 0x12
#define DOC_SEQ_SET_PLANE1 0x0e
#define DOC_SEQ_SET_PLANE2 0x10
#define DOC_SEQ_PAGE_SETUP 0x1d
#define DOC_SEQ_ERASE 0x27
#define DOC_SEQ_PLANES_STATUS 0x31
/*
* Flash commands
@ -143,7 +159,10 @@
#define DOC_CMD_PROG_BLOCK_ADDR 0x60
#define DOC_CMD_PROG_CYCLE1 0x80
#define DOC_CMD_PROG_CYCLE2 0x10
#define DOC_CMD_PROG_CYCLE3 0x11
#define DOC_CMD_ERASECYCLE2 0xd0
#define DOC_CMD_READ_STATUS 0x70
#define DOC_CMD_PLANES_STATUS 0x71
#define DOC_CMD_RELIABLE_MODE 0x22
#define DOC_CMD_FAST_MODE 0xa2
@ -174,6 +193,7 @@
/*
* Flash register : DOC_ECCCONF0
*/
#define DOC_ECCCONF0_WRITE_MODE 0x0000
#define DOC_ECCCONF0_READ_MODE 0x8000
#define DOC_ECCCONF0_AUTO_ECC_ENABLE 0x4000
#define DOC_ECCCONF0_HAMMING_ENABLE 0x1000
@ -185,7 +205,7 @@
*/
#define DOC_ECCCONF1_BCH_SYNDROM_ERR 0x80
#define DOC_ECCCONF1_UNKOWN1 0x40
#define DOC_ECCCONF1_UNKOWN2 0x20
#define DOC_ECCCONF1_PAGE_IS_WRITTEN 0x20
#define DOC_ECCCONF1_UNKOWN3 0x10
#define DOC_ECCCONF1_HAMMING_BITS_MASK 0x0f
@ -223,13 +243,46 @@
#define DOC_READADDR_ONE_BYTE 0x4000
#define DOC_READADDR_ADDR_MASK 0x1fff
/*
* Flash register : DOC_POWERMODE
*/
#define DOC_POWERDOWN_READY 0x80
/*
* Status of erase and write operation
*/
#define DOC_PLANES_STATUS_FAIL 0x01
#define DOC_PLANES_STATUS_PLANE0_KO 0x02
#define DOC_PLANES_STATUS_PLANE1_KO 0x04
/*
* DPS key management
*
* Each floor of docg3 has 2 protection areas: DPS0 and DPS1. These areas span
* across block boundaries, and define whether these blocks can be read or
* written.
* The definition is dynamically stored in page 0 of blocks (2,3) for DPS0, and
* page 0 of blocks (4,5) for DPS1.
*/
#define DOC_LAYOUT_DPS_KEY_LENGTH 8
/**
* struct docg3 - DiskOnChip driver private data
* @dev: the device currently under control
* @base: mapped IO space
* @device_id: number of the cascaded DoCG3 device (0, 1, 2 or 3)
* @if_cfg: if true, reads are on 16bits, else reads are on 8bits
* @reliable: if 0, docg3 in normal mode, if 1 docg3 in fast mode, if 2 in
* reliable mode
* Fast mode implies more errors than normal mode.
* Reliable mode implies that page 2*n and 2*n+1 are clones.
* @bbt: bad block table cache
* @oob_write_ofs: offset of the MTD where this OOB should belong (ie. in next
* page_write)
* @oob_autoecc: if 1, use only bytes 0-7, 15, and fill the others with HW ECC
* if 0, use all the 16 bytes.
* @oob_write_buf: prepared OOB for next page_write
* @debugfs_root: debugfs root node
*/
struct docg3 {
@ -237,8 +290,12 @@ struct docg3 {
void __iomem *base;
unsigned int device_id:4;
unsigned int if_cfg:1;
unsigned int reliable:2;
int max_block;
u8 *bbt;
loff_t oob_write_ofs;
int oob_autoecc;
u8 oob_write_buf[DOC_LAYOUT_OOB_SIZE];
struct dentry *debugfs_root;
};

7
drivers/mtd/devices/docprobe.c
View file

@ -241,8 +241,7 @@ static void __init DoC_Probe(unsigned long physadr)
return;
}
docfound = 1;
mtd = kmalloc(sizeof(struct DiskOnChip) + sizeof(struct mtd_info), GFP_KERNEL);
mtd = kzalloc(sizeof(struct DiskOnChip) + sizeof(struct mtd_info), GFP_KERNEL);
if (!mtd) {
printk(KERN_WARNING "Cannot allocate memory for data structures. Dropping.\n");
iounmap(docptr);
@ -250,10 +249,6 @@ static void __init DoC_Probe(unsigned long physadr)
}
this = (struct DiskOnChip *)(&mtd[1]);
memset((char *)mtd,0, sizeof(struct mtd_info));
memset((char *)this, 0, sizeof(struct DiskOnChip));
mtd->priv = this;
this->virtadr = docptr;
this->physadr = physadr;

1
drivers/mtd/devices/m25p80.c
View file

@ -992,7 +992,6 @@ static int __devexit m25p_remove(struct spi_device *spi)
static struct spi_driver m25p80_driver = {
.driver = {
.name = "m25p80",
.bus = &spi_bus_type,
.owner = THIS_MODULE,
},
.id_table = m25p_ids,

1
drivers/mtd/devices/mtd_dataflash.c
View file

@ -936,7 +936,6 @@ static int __devexit dataflash_remove(struct spi_device *spi)
static struct spi_driver dataflash_driver = {
.driver = {
.name = "mtd_dataflash",
.bus = &spi_bus_type,
.owner = THIS_MODULE,
.of_match_table = dataflash_dt_ids,
},

3
drivers/mtd/devices/sst25l.c
View file

@ -378,7 +378,7 @@ static int __devinit sst25l_probe(struct spi_device *spi)
struct flash_info *flash_info;
struct sst25l_flash *flash;
struct flash_platform_data *data;
int ret, i;
int ret;
flash_info = sst25l_match_device(spi);
if (!flash_info)
@ -444,7 +444,6 @@ static int __devexit sst25l_remove(struct spi_device *spi)
static struct spi_driver sst25l_driver = {
.driver = {
.name = "sst25l",
.bus = &spi_bus_type,
.owner = THIS_MODULE,
},
.probe = sst25l_probe,

81
drivers/mtd/ftl.c
View file

@ -168,8 +168,8 @@ static int scan_header(partition_t *part)
(offset + sizeof(header)) < max_offset;
offset += part->mbd.mtd->erasesize ? : 0x2000) {
err = part->mbd.mtd->read(part->mbd.mtd, offset, sizeof(header), &ret,
(unsigned char *)&header);
err = mtd_read(part->mbd.mtd, offset, sizeof(header), &ret,
(unsigned char *)&header);
if (err)
return err;
@ -224,8 +224,8 @@ static int build_maps(partition_t *part)
for (i = 0; i < le16_to_cpu(part->header.NumEraseUnits); i++) {
offset = ((i + le16_to_cpu(part->header.FirstPhysicalEUN))
<< part->header.EraseUnitSize);
ret = part->mbd.mtd->read(part->mbd.mtd, offset, sizeof(header), &retval,
(unsigned char *)&header);
ret = mtd_read(part->mbd.mtd, offset, sizeof(header), &retval,
(unsigned char *)&header);
if (ret)
goto out_XferInfo;
@ -289,9 +289,9 @@ static int build_maps(partition_t *part)
part->EUNInfo[i].Deleted = 0;
offset = part->EUNInfo[i].Offset + le32_to_cpu(header.BAMOffset);
ret = part->mbd.mtd->read(part->mbd.mtd, offset,
part->BlocksPerUnit * sizeof(uint32_t), &retval,
(unsigned char *)part->bam_cache);
ret = mtd_read(part->mbd.mtd, offset,
part->BlocksPerUnit * sizeof(uint32_t), &retval,
(unsigned char *)part->bam_cache);
if (ret)
goto out_bam_cache;
@ -355,7 +355,7 @@ static int erase_xfer(partition_t *part,
erase->len = 1 << part->header.EraseUnitSize;
erase->priv = (u_long)part;
ret = part->mbd.mtd->erase(part->mbd.mtd, erase);
ret = mtd_erase(part->mbd.mtd, erase);
if (!ret)
xfer->EraseCount++;
@ -422,8 +422,8 @@ static int prepare_xfer(partition_t *part, int i)
header.LogicalEUN = cpu_to_le16(0xffff);
header.EraseCount = cpu_to_le32(xfer->EraseCount);
ret = part->mbd.mtd->write(part->mbd.mtd, xfer->Offset, sizeof(header),
&retlen, (u_char *)&header);
ret = mtd_write(part->mbd.mtd, xfer->Offset, sizeof(header), &retlen,
(u_char *)&header);
if (ret) {
return ret;
@ -438,8 +438,8 @@ static int prepare_xfer(partition_t *part, int i)
for (i = 0; i < nbam; i++, offset += sizeof(uint32_t)) {
ret = part->mbd.mtd->write(part->mbd.mtd, offset, sizeof(uint32_t),
&retlen, (u_char *)&ctl);
ret = mtd_write(part->mbd.mtd, offset, sizeof(uint32_t), &retlen,
(u_char *)&ctl);
if (ret)
return ret;
@ -485,9 +485,9 @@ static int copy_erase_unit(partition_t *part, uint16_t srcunit,
offset = eun->Offset + le32_to_cpu(part->header.BAMOffset);
ret = part->mbd.mtd->read(part->mbd.mtd, offset,
part->BlocksPerUnit * sizeof(uint32_t),
&retlen, (u_char *) (part->bam_cache));
ret = mtd_read(part->mbd.mtd, offset,
part->BlocksPerUnit * sizeof(uint32_t), &retlen,
(u_char *)(part->bam_cache));
/* mark the cache bad, in case we get an error later */
part->bam_index = 0xffff;
@ -503,8 +503,8 @@ static int copy_erase_unit(partition_t *part, uint16_t srcunit,
offset = xfer->Offset + 20; /* Bad! */
unit = cpu_to_le16(0x7fff);
ret = part->mbd.mtd->write(part->mbd.mtd, offset, sizeof(uint16_t),
&retlen, (u_char *) &unit);
ret = mtd_write(part->mbd.mtd, offset, sizeof(uint16_t), &retlen,
(u_char *)&unit);
if (ret) {
printk( KERN_WARNING "ftl: Failed to write back to BAM cache in copy_erase_unit()!\n");
@ -523,16 +523,16 @@ static int copy_erase_unit(partition_t *part, uint16_t srcunit,
break;
case BLOCK_DATA:
case BLOCK_REPLACEMENT:
ret = part->mbd.mtd->read(part->mbd.mtd, src, SECTOR_SIZE,
&retlen, (u_char *) buf);
ret = mtd_read(part->mbd.mtd, src, SECTOR_SIZE, &retlen,
(u_char *)buf);
if (ret) {
printk(KERN_WARNING "ftl: Error reading old xfer unit in copy_erase_unit\n");
return ret;
}
ret = part->mbd.mtd->write(part->mbd.mtd, dest, SECTOR_SIZE,
&retlen, (u_char *) buf);
ret = mtd_write(part->mbd.mtd, dest, SECTOR_SIZE, &retlen,
(u_char *)buf);
if (ret) {
printk(KERN_WARNING "ftl: Error writing new xfer unit in copy_erase_unit\n");
return ret;
@ -550,9 +550,11 @@ static int copy_erase_unit(partition_t *part, uint16_t srcunit,
}
/* Write the BAM to the transfer unit */
ret = part->mbd.mtd->write(part->mbd.mtd, xfer->Offset + le32_to_cpu(part->header.BAMOffset),
part->BlocksPerUnit * sizeof(int32_t), &retlen,
(u_char *)part->bam_cache);
ret = mtd_write(part->mbd.mtd,
xfer->Offset + le32_to_cpu(part->header.BAMOffset),
part->BlocksPerUnit * sizeof(int32_t),
&retlen,
(u_char *)part->bam_cache);
if (ret) {
printk( KERN_WARNING "ftl: Error writing BAM in copy_erase_unit\n");
return ret;
@ -560,8 +562,8 @@ static int copy_erase_unit(partition_t *part, uint16_t srcunit,
/* All clear? Then update the LogicalEUN again */
ret = part->mbd.mtd->write(part->mbd.mtd, xfer->Offset + 20, sizeof(uint16_t),
&retlen, (u_char *)&srcunitswap);
ret = mtd_write(part->mbd.mtd, xfer->Offset + 20, sizeof(uint16_t),
&retlen, (u_char *)&srcunitswap);
if (ret) {
printk(KERN_WARNING "ftl: Error writing new LogicalEUN in copy_erase_unit\n");
@ -648,8 +650,7 @@ static int reclaim_block(partition_t *part)
if (queued) {
pr_debug("ftl_cs: waiting for transfer "
"unit to be prepared...\n");
if (part->mbd.mtd->sync)
part->mbd.mtd->sync(part->mbd.mtd);
mtd_sync(part->mbd.mtd);
} else {
static int ne = 0;
if (++ne < 5)
@ -747,10 +748,11 @@ static uint32_t find_free(partition_t *part)
/* Invalidate cache */
part->bam_index = 0xffff;
ret = part->mbd.mtd->read(part->mbd.mtd,
part->EUNInfo[eun].Offset + le32_to_cpu(part->header.BAMOffset),
part->BlocksPerUnit * sizeof(uint32_t),
&retlen, (u_char *) (part->bam_cache));
ret = mtd_read(part->mbd.mtd,
part->EUNInfo[eun].Offset + le32_to_cpu(part->header.BAMOffset),
part->BlocksPerUnit * sizeof(uint32_t),
&retlen,
(u_char *)(part->bam_cache));
if (ret) {
printk(KERN_WARNING"ftl: Error reading BAM in find_free\n");
@ -810,8 +812,8 @@ static int ftl_read(partition_t *part, caddr_t buffer,
else {
offset = (part->EUNInfo[log_addr / bsize].Offset
+ (log_addr % bsize));
ret = part->mbd.mtd->read(part->mbd.mtd, offset, SECTOR_SIZE,
&retlen, (u_char *) buffer);
ret = mtd_read(part->mbd.mtd, offset, SECTOR_SIZE, &retlen,
(u_char *)buffer);
if (ret) {
printk(KERN_WARNING "Error reading MTD device in ftl_read()\n");
@ -849,8 +851,8 @@ static int set_bam_entry(partition_t *part, uint32_t log_addr,
le32_to_cpu(part->header.BAMOffset));
#ifdef PSYCHO_DEBUG
ret = part->mbd.mtd->read(part->mbd.mtd, offset, sizeof(uint32_t),
&retlen, (u_char *)&old_addr);
ret = mtd_read(part->mbd.mtd, offset, sizeof(uint32_t), &retlen,
(u_char *)&old_addr);
if (ret) {
printk(KERN_WARNING"ftl: Error reading old_addr in set_bam_entry: %d\n",ret);
return ret;
@ -886,8 +888,8 @@ static int set_bam_entry(partition_t *part, uint32_t log_addr,
#endif
part->bam_cache[blk] = le_virt_addr;
}
ret = part->mbd.mtd->write(part->mbd.mtd, offset, sizeof(uint32_t),
&retlen, (u_char *)&le_virt_addr);
ret = mtd_write(part->mbd.mtd, offset, sizeof(uint32_t), &retlen,
(u_char *)&le_virt_addr);
if (ret) {
printk(KERN_NOTICE "ftl_cs: set_bam_entry() failed!\n");
@ -946,8 +948,7 @@ static int ftl_write(partition_t *part, caddr_t buffer,
part->EUNInfo[part->bam_index].Deleted++;
offset = (part->EUNInfo[part->bam_index].Offset +
blk * SECTOR_SIZE);
ret = part->mbd.mtd->write(part->mbd.mtd, offset, SECTOR_SIZE, &retlen,
buffer);
ret = mtd_write(part->mbd.mtd, offset, SECTOR_SIZE, &retlen, buffer);
if (ret) {
printk(KERN_NOTICE "ftl_cs: block write failed!\n");

25
drivers/mtd/inftlcore.c
View file

@ -158,7 +158,7 @@ int inftl_read_oob(struct mtd_info *mtd, loff_t offs, size_t len,
ops.oobbuf = buf;
ops.datbuf = NULL;
res = mtd->read_oob(mtd, offs & ~(mtd->writesize - 1), &ops);
res = mtd_read_oob(mtd, offs & ~(mtd->writesize - 1), &ops);
*retlen = ops.oobretlen;
return res;
}
@ -178,7 +178,7 @@ int inftl_write_oob(struct mtd_info *mtd, loff_t offs, size_t len,
ops.oobbuf = buf;
ops.datbuf = NULL;
res = mtd->write_oob(mtd, offs & ~(mtd->writesize - 1), &ops);
res = mtd_write_oob(mtd, offs & ~(mtd->writesize - 1), &ops);
*retlen = ops.oobretlen;
return res;
}
@ -199,7 +199,7 @@ static int inftl_write(struct mtd_info *mtd, loff_t offs, size_t len,
ops.datbuf = buf;
ops.len = len;
res = mtd->write_oob(mtd, offs & ~(mtd->writesize - 1), &ops);
res = mtd_write_oob(mtd, offs & ~(mtd->writesize - 1), &ops);
*retlen = ops.retlen;
return res;
}
@ -343,14 +343,17 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned
if (BlockMap[block] == BLOCK_NIL)
continue;
ret = mtd->read(mtd, (inftl->EraseSize * BlockMap[block]) +
(block * SECTORSIZE), SECTORSIZE, &retlen,
movebuf);
ret = mtd_read(mtd,
(inftl->EraseSize * BlockMap[block]) + (block * SECTORSIZE),
SECTORSIZE,
&retlen,
movebuf);
if (ret < 0 && !mtd_is_bitflip(ret)) {
ret = mtd->read(mtd,
(inftl->EraseSize * BlockMap[block]) +
(block * SECTORSIZE), SECTORSIZE,
&retlen, movebuf);
ret = mtd_read(mtd,
(inftl->EraseSize * BlockMap[block]) + (block * SECTORSIZE),
SECTORSIZE,
&retlen,
movebuf);
if (ret != -EIO)
pr_debug("INFTL: error went away on retry?\n");
}
@ -914,7 +917,7 @@ foundit:
} else {
size_t retlen;
loff_t ptr = (thisEUN * inftl->EraseSize) + blockofs;
int ret = mtd->read(mtd, ptr, SECTORSIZE, &retlen, buffer);
int ret = mtd_read(mtd, ptr, SECTORSIZE, &retlen, buffer);
/* Handle corrected bit flips gracefully */
if (ret < 0 && !mtd_is_bitflip(ret))

19
drivers/mtd/inftlmount.c
View file

@ -73,8 +73,8 @@ static int find_boot_record(struct INFTLrecord *inftl)
* Check for BNAND header first. Then whinge if it's found
* but later checks fail.
*/
ret = mtd->read(mtd, block * inftl->EraseSize,
SECTORSIZE, &retlen, buf);
ret = mtd_read(mtd, block * inftl->EraseSize, SECTORSIZE,
&retlen, buf);
/* We ignore ret in case the ECC of the MediaHeader is invalid
(which is apparently acceptable) */
if (retlen != SECTORSIZE) {
@ -118,8 +118,8 @@ static int find_boot_record(struct INFTLrecord *inftl)
memcpy(mh, buf, sizeof(struct INFTLMediaHeader));
/* Read the spare media header at offset 4096 */
mtd->read(mtd, block * inftl->EraseSize + 4096,
SECTORSIZE, &retlen, buf);
mtd_read(mtd, block * inftl->EraseSize + 4096, SECTORSIZE,
&retlen, buf);
if (retlen != SECTORSIZE) {
printk(KERN_WARNING "INFTL: Unable to read spare "
"Media Header\n");
@ -220,7 +220,7 @@ static int find_boot_record(struct INFTLrecord *inftl)
*/
instr->addr = ip->Reserved0 * inftl->EraseSize;
instr->len = inftl->EraseSize;
mtd->erase(mtd, instr);
mtd_erase(mtd, instr);
}
if ((ip->lastUnit - ip->firstUnit + 1) < ip->virtualUnits) {
printk(KERN_WARNING "INFTL: Media Header "
@ -306,7 +306,8 @@ static int find_boot_record(struct INFTLrecord *inftl)
/* If any of the physical eraseblocks are bad, don't
use the unit. */
for (physblock = 0; physblock < inftl->EraseSize; physblock += inftl->mbd.mtd->erasesize) {
if (inftl->mbd.mtd->block_isbad(inftl->mbd.mtd, i * inftl->EraseSize + physblock))
if (mtd_block_isbad(inftl->mbd.mtd,
i * inftl->EraseSize + physblock))
inftl->PUtable[i] = BLOCK_RESERVED;
}
}
@ -342,7 +343,7 @@ static int check_free_sectors(struct INFTLrecord *inftl, unsigned int address,
int i;
for (i = 0; i < len; i += SECTORSIZE) {
if (mtd->read(mtd, address, SECTORSIZE, &retlen, buf))
if (mtd_read(mtd, address, SECTORSIZE, &retlen, buf))
return -1;
if (memcmpb(buf, 0xff, SECTORSIZE) != 0)
return -1;
@ -393,7 +394,7 @@ int INFTL_formatblock(struct INFTLrecord *inftl, int block)
mark only the failed block in the bbt. */
for (physblock = 0; physblock < inftl->EraseSize;
physblock += instr->len, instr->addr += instr->len) {
mtd->erase(inftl->mbd.mtd, instr);
mtd_erase(inftl->mbd.mtd, instr);
if (instr->state == MTD_ERASE_FAILED) {
printk(KERN_WARNING "INFTL: error while formatting block %d\n",
@ -423,7 +424,7 @@ int INFTL_formatblock(struct INFTLrecord *inftl, int block)
fail:
/* could not format, update the bad block table (caller is responsible
for setting the PUtable to BLOCK_RESERVED on failure) */
inftl->mbd.mtd->block_markbad(inftl->mbd.mtd, instr->addr);
mtd_block_markbad(inftl->mbd.mtd, instr->addr);
return -1;
}

7
drivers/mtd/lpddr/lpddr_cmds.c
View file

@ -70,19 +70,12 @@ struct mtd_info *lpddr_cmdset(struct map_info *map)
mtd->erase = lpddr_erase;
mtd->write = lpddr_write_buffers;
mtd->writev = lpddr_writev;
mtd->read_oob = NULL;
mtd->write_oob = NULL;
mtd->sync = NULL;
mtd->lock = lpddr_lock;
mtd->unlock = lpddr_unlock;
mtd->suspend = NULL;
mtd->resume = NULL;
if (map_is_linear(map)) {
mtd->point = lpddr_point;
mtd->unpoint = lpddr_unpoint;
}
mtd->block_isbad = NULL;
mtd->block_markbad = NULL;
mtd->size = 1 << lpddr->qinfo->DevSizeShift;
mtd->erasesize = 1 << lpddr->qinfo->UniformBlockSizeShift;
mtd->writesize = 1 << lpddr->qinfo->BufSizeShift;

9
drivers/mtd/maps/Kconfig
View file

@ -242,15 +242,6 @@ config MTD_NETtel
help
Support for flash chips on NETtel/SecureEdge/SnapGear boards.
config MTD_BCM963XX
tristate "Map driver for Broadcom BCM963xx boards"
depends on BCM63XX
select MTD_MAP_BANK_WIDTH_2
select MTD_CFI_I1
help
Support for parsing CFE image tag and creating MTD partitions on
Broadcom BCM63xx boards.
config MTD_LANTIQ
tristate "Lantiq SoC NOR support"
depends on LANTIQ

1
drivers/mtd/maps/Makefile
View file

@ -55,6 +55,5 @@ obj-$(CONFIG_MTD_BFIN_ASYNC) += bfin-async-flash.o
obj-$(CONFIG_MTD_RBTX4939) += rbtx4939-flash.o
obj-$(CONFIG_MTD_VMU) += vmu-flash.o
obj-$(CONFIG_MTD_GPIO_ADDR) += gpio-addr-flash.o
obj-$(CONFIG_MTD_BCM963XX) += bcm963xx-flash.o
obj-$(CONFIG_MTD_LATCH_ADDR) += latch-addr-flash.o
obj-$(CONFIG_MTD_LANTIQ) += lantiq-flash.o

277
drivers/mtd/maps/bcm963xx-flash.c
View file

@ -1,277 +0,0 @@
/*
* Copyright © 2006-2008 Florian Fainelli <florian@openwrt.org>
* Mike Albon <malbon@openwrt.org>
* Copyright © 2009-2010 Daniel Dickinson <openwrt@cshore.neomailbox.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/mtd/map.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/vmalloc.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <asm/mach-bcm63xx/bcm963xx_tag.h>
#define BCM63XX_BUSWIDTH 2 /* Buswidth */
#define BCM63XX_EXTENDED_SIZE 0xBFC00000 /* Extended flash address */
#define PFX KBUILD_MODNAME ": "
static struct mtd_partition *parsed_parts;
static struct mtd_info *bcm963xx_mtd_info;
static struct map_info bcm963xx_map = {
.name = "bcm963xx",
.bankwidth = BCM63XX_BUSWIDTH,
};
static int parse_cfe_partitions(struct mtd_info *master,
struct mtd_partition **pparts)
{
/* CFE, NVRAM and global Linux are always present */
int nrparts = 3, curpart = 0;
struct bcm_tag *buf;
struct mtd_partition *parts;
int ret;
size_t retlen;
unsigned int rootfsaddr, kerneladdr, spareaddr;
unsigned int rootfslen, kernellen, sparelen, totallen;
int namelen = 0;
int i;
char *boardid;
char *tagversion;
/* Allocate memory for buffer */
buf = vmalloc(sizeof(struct bcm_tag));
if (!buf)
return -ENOMEM;
/* Get the tag */
ret = master->read(master, master->erasesize, sizeof(struct bcm_tag),
&retlen, (void *)buf);
if (retlen != sizeof(struct bcm_tag)) {
vfree(buf);
return -EIO;
}
sscanf(buf->kernel_address, "%u", &kerneladdr);
sscanf(buf->kernel_length, "%u", &kernellen);
sscanf(buf->total_length, "%u", &totallen);
tagversion = &(buf->tag_version[0]);
boardid = &(buf->board_id[0]);
printk(KERN_INFO PFX "CFE boot tag found with version %s "
"and board type %s\n", tagversion, boardid);
kerneladdr = kerneladdr - BCM63XX_EXTENDED_SIZE;
rootfsaddr = kerneladdr + kernellen;
spareaddr = roundup(totallen, master->erasesize) + master->erasesize;
sparelen = master->size - spareaddr - master->erasesize;
rootfslen = spareaddr - rootfsaddr;
/* Determine number of partitions */
namelen = 8;
if (rootfslen > 0) {
nrparts++;
namelen += 6;
};
if (kernellen > 0) {
nrparts++;
namelen += 6;
};
/* Ask kernel for more memory */
parts = kzalloc(sizeof(*parts) * nrparts + 10 * nrparts, GFP_KERNEL);
if (!parts) {
vfree(buf);
return -ENOMEM;
};
/* Start building partition list */
parts[curpart].name = "CFE";
parts[curpart].offset = 0;
parts[curpart].size = master->erasesize;
curpart++;
if (kernellen > 0) {
parts[curpart].name = "kernel";
parts[curpart].offset = kerneladdr;
parts[curpart].size = kernellen;
curpart++;
};
if (rootfslen > 0) {
parts[curpart].name = "rootfs";
parts[curpart].offset = rootfsaddr;
parts[curpart].size = rootfslen;
if (sparelen > 0)
parts[curpart].size += sparelen;
curpart++;
};
parts[curpart].name = "nvram";
parts[curpart].offset = master->size - master->erasesize;
parts[curpart].size = master->erasesize;
/* Global partition "linux" to make easy firmware upgrade */
curpart++;
parts[curpart].name = "linux";
parts[curpart].offset = parts[0].size;
parts[curpart].size = master->size - parts[0].size - parts[3].size;
for (i = 0; i < nrparts; i++)
printk(KERN_INFO PFX "Partition %d is %s offset %lx and "
"length %lx\n", i, parts[i].name,
(long unsigned int)(parts[i].offset),
(long unsigned int)(parts[i].size));
printk(KERN_INFO PFX "Spare partition is %x offset and length %x\n",
spareaddr, sparelen);
*pparts = parts;
vfree(buf);
return nrparts;
};
static int bcm963xx_detect_cfe(struct mtd_info *master)
{
int idoffset = 0x4e0;
static char idstring[8] = "CFE1CFE1";
char buf[9];
int ret;
size_t retlen;
ret = master->read(master, idoffset, 8, &retlen, (void *)buf);
buf[retlen] = 0;
printk(KERN_INFO PFX "Read Signature value of %s\n", buf);
return strncmp(idstring, buf, 8);
}
static int bcm963xx_probe(struct platform_device *pdev)
{
int err = 0;
int parsed_nr_parts = 0;
char *part_type;
struct resource *r;
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!r) {
dev_err(&pdev->dev, "no resource supplied\n");
return -ENODEV;
}
bcm963xx_map.phys = r->start;
bcm963xx_map.size = resource_size(r);
bcm963xx_map.virt = ioremap(r->start, resource_size(r));
if (!bcm963xx_map.virt) {
dev_err(&pdev->dev, "failed to ioremap\n");
return -EIO;
}
dev_info(&pdev->dev, "0x%08lx at 0x%08x\n",
bcm963xx_map.size, bcm963xx_map.phys);
simple_map_init(&bcm963xx_map);
bcm963xx_mtd_info = do_map_probe("cfi_probe", &bcm963xx_map);
if (!bcm963xx_mtd_info) {
dev_err(&pdev->dev, "failed to probe using CFI\n");
bcm963xx_mtd_info = do_map_probe("jedec_probe", &bcm963xx_map);
if (bcm963xx_mtd_info)
goto probe_ok;
dev_err(&pdev->dev, "failed to probe using JEDEC\n");
err = -EIO;
goto err_probe;
}
probe_ok:
bcm963xx_mtd_info->owner = THIS_MODULE;
/* This is mutually exclusive */
if (bcm963xx_detect_cfe(bcm963xx_mtd_info) == 0) {
dev_info(&pdev->dev, "CFE bootloader detected\n");
if (parsed_nr_parts == 0) {
int ret = parse_cfe_partitions(bcm963xx_mtd_info,
&parsed_parts);
if (ret > 0) {
part_type = "CFE";
parsed_nr_parts = ret;
}
}
} else {
dev_info(&pdev->dev, "unsupported bootloader\n");
err = -ENODEV;
goto err_probe;
}
return mtd_device_register(bcm963xx_mtd_info, parsed_parts,
parsed_nr_parts);
err_probe:
iounmap(bcm963xx_map.virt);
return err;
}
static int bcm963xx_remove(struct platform_device *pdev)
{
if (bcm963xx_mtd_info) {
mtd_device_unregister(bcm963xx_mtd_info);
map_destroy(bcm963xx_mtd_info);
}
if (bcm963xx_map.virt) {
iounmap(bcm963xx_map.virt);
bcm963xx_map.virt = 0;
}
return 0;
}
static struct platform_driver bcm63xx_mtd_dev = {
.probe = bcm963xx_probe,
.remove = bcm963xx_remove,
.driver = {
.name = "bcm963xx-flash",
.owner = THIS_MODULE,
},
};
static int __init bcm963xx_mtd_init(void)
{
return platform_driver_register(&bcm63xx_mtd_dev);
}
static void __exit bcm963xx_mtd_exit(void)
{
platform_driver_unregister(&bcm63xx_mtd_dev);
}
module_init(bcm963xx_mtd_init);
module_exit(bcm963xx_mtd_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Broadcom BCM63xx MTD driver for CFE and RedBoot");
MODULE_AUTHOR("Daniel Dickinson <[email protected]>");
MODULE_AUTHOR("Florian Fainelli <[email protected]>");
MODULE_AUTHOR("Mike Albon <[email protected]>");

12
drivers/mtd/maps/bfin-async-flash.c
View file

@ -190,17 +190,7 @@ static struct platform_driver bfin_flash_driver = {
},
};
static int __init bfin_flash_init(void)
{
return platform_driver_register(&bfin_flash_driver);
}
module_init(bfin_flash_init);
static void __exit bfin_flash_exit(void)
{
platform_driver_unregister(&bfin_flash_driver);
}
module_exit(bfin_flash_exit);
module_platform_driver(bfin_flash_driver);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("MTD map driver for Blackfins with flash/ethernet on same async bank");

12
drivers/mtd/maps/gpio-addr-flash.c
View file

@ -279,17 +279,7 @@ static struct platform_driver gpio_flash_driver = {
},
};
static int __init gpio_flash_init(void)
{
return platform_driver_register(&gpio_flash_driver);
}
module_init(gpio_flash_init);
static void __exit gpio_flash_exit(void)
{
platform_driver_unregister(&gpio_flash_driver);
}
module_exit(gpio_flash_exit);
module_platform_driver(gpio_flash_driver);
MODULE_AUTHOR("Mike Frysinger <[email protected]>");
MODULE_DESCRIPTION("MTD map driver for flashes addressed physically and with gpios");

12
drivers/mtd/maps/ixp2000.c
View file

@ -246,18 +246,8 @@ static struct platform_driver ixp2000_flash_driver = {
},
};
static int __init ixp2000_flash_init(void)
{
return platform_driver_register(&ixp2000_flash_driver);
}
module_platform_driver(ixp2000_flash_driver);
static void __exit ixp2000_flash_exit(void)
{
platform_driver_unregister(&ixp2000_flash_driver);
}
module_init(ixp2000_flash_init);
module_exit(ixp2000_flash_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Deepak Saxena <[email protected]>");
MODULE_ALIAS("platform:IXP2000-Flash");

14
drivers/mtd/maps/ixp4xx.c
View file

@ -270,19 +270,7 @@ static struct platform_driver ixp4xx_flash_driver = {
},
};
static int __init ixp4xx_flash_init(void)
{
return platform_driver_register(&ixp4xx_flash_driver);
}
static void __exit ixp4xx_flash_exit(void)
{
platform_driver_unregister(&ixp4xx_flash_driver);
}
module_init(ixp4xx_flash_init);
module_exit(ixp4xx_flash_exit);
module_platform_driver(ixp4xx_flash_driver);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("MTD map driver for Intel IXP4xx systems");

6
drivers/mtd/maps/lantiq-flash.c
View file

@ -159,7 +159,7 @@ ltq_mtd_probe(struct platform_device *pdev)
if (!ltq_mtd->mtd) {
dev_err(&pdev->dev, "probing failed\n");
err = -ENXIO;
goto err_unmap;
goto err_free;
}
ltq_mtd->mtd->owner = THIS_MODULE;
@ -179,8 +179,6 @@ ltq_mtd_probe(struct platform_device *pdev)
err_destroy:
map_destroy(ltq_mtd->mtd);
err_unmap:
iounmap(ltq_mtd->map->virt);
err_free:
kfree(ltq_mtd->map);
err_out:
@ -198,8 +196,6 @@ ltq_mtd_remove(struct platform_device *pdev)
mtd_device_unregister(ltq_mtd->mtd);
map_destroy(ltq_mtd->mtd);
}
if (ltq_mtd->map->virt)
iounmap(ltq_mtd->map->virt);
kfree(ltq_mtd->map);
kfree(ltq_mtd);
}

12
drivers/mtd/maps/latch-addr-flash.c
View file

@ -223,17 +223,7 @@ static struct platform_driver latch_addr_flash_driver = {
},
};
static int __init latch_addr_flash_init(void)
{
return platform_driver_register(&latch_addr_flash_driver);
}
module_init(latch_addr_flash_init);
static void __exit latch_addr_flash_exit(void)
{
platform_driver_unregister(&latch_addr_flash_driver);
}
module_exit(latch_addr_flash_exit);
module_platform_driver(latch_addr_flash_driver);
MODULE_AUTHOR("David Griego <[email protected]>");
MODULE_DESCRIPTION("MTD map driver for flashes addressed physically with upper "

10
drivers/mtd/maps/physmap.c
View file

@ -85,6 +85,7 @@ static int physmap_flash_probe(struct platform_device *dev)
struct physmap_flash_data *physmap_data;
struct physmap_flash_info *info;
const char **probe_type;
const char **part_types;
int err = 0;
int i;
int devices_found = 0;
@ -171,7 +172,9 @@ static int physmap_flash_probe(struct platform_device *dev)
if (err)
goto err_out;
mtd_device_parse_register(info->cmtd, part_probe_types, 0,
part_types = physmap_data->part_probe_types ? : part_probe_types;
mtd_device_parse_register(info->cmtd, part_types, 0,
physmap_data->parts, physmap_data->nr_parts);
return 0;
@ -187,9 +190,8 @@ static void physmap_flash_shutdown(struct platform_device *dev)
int i;
for (i = 0; i < MAX_RESOURCES && info->mtd[i]; i++)
if (info->mtd[i]->suspend && info->mtd[i]->resume)
if (info->mtd[i]->suspend(info->mtd[i]) == 0)
info->mtd[i]->resume(info->mtd[i]);
if (mtd_suspend(info->mtd[i]) == 0)
mtd_resume(info->mtd[i]);
}
#else
#define physmap_flash_shutdown NULL

13
drivers/mtd/maps/physmap_of.c
View file

@ -338,18 +338,7 @@ static struct platform_driver of_flash_driver = {
.remove = of_flash_remove,
};
static int __init of_flash_init(void)
{
return platform_driver_register(&of_flash_driver);
}
static void __exit of_flash_exit(void)
{
platform_driver_unregister(&of_flash_driver);
}
module_init(of_flash_init);
module_exit(of_flash_exit);
module_platform_driver(of_flash_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Vitaly Wool <[email protected]>");

17
drivers/mtd/maps/pxa2xx-flash.c
View file

@ -125,8 +125,8 @@ static void pxa2xx_flash_shutdown(struct platform_device *dev)
{
struct pxa2xx_flash_info *info = platform_get_drvdata(dev);
if (info && info->mtd->suspend(info->mtd) == 0)
info->mtd->resume(info->mtd);
if (info && mtd_suspend(info->mtd) == 0)
mtd_resume(info->mtd);
}
#else
#define pxa2xx_flash_shutdown NULL
@ -142,18 +142,7 @@ static struct platform_driver pxa2xx_flash_driver = {
.shutdown = pxa2xx_flash_shutdown,
};
static int __init init_pxa2xx_flash(void)
{
return platform_driver_register(&pxa2xx_flash_driver);
}
static void __exit cleanup_pxa2xx_flash(void)
{
platform_driver_unregister(&pxa2xx_flash_driver);
}
module_init(init_pxa2xx_flash);
module_exit(cleanup_pxa2xx_flash);
module_platform_driver(pxa2xx_flash_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Nicolas Pitre <[email protected]>");

18
drivers/mtd/maps/rbtx4939-flash.c
View file

@ -119,9 +119,8 @@ static void rbtx4939_flash_shutdown(struct platform_device *dev)
{
struct rbtx4939_flash_info *info = platform_get_drvdata(dev);
if (info->mtd->suspend && info->mtd->resume)
if (info->mtd->suspend(info->mtd) == 0)
info->mtd->resume(info->mtd);
if (mtd_suspend(info->mtd) == 0)
mtd_resume(info->mtd);
}
#else
#define rbtx4939_flash_shutdown NULL
@ -137,18 +136,7 @@ static struct platform_driver rbtx4939_flash_driver = {
},
};
static int __init rbtx4939_flash_init(void)
{
return platform_driver_register(&rbtx4939_flash_driver);
}
static void __exit rbtx4939_flash_exit(void)
{
platform_driver_unregister(&rbtx4939_flash_driver);
}
module_init(rbtx4939_flash_init);
module_exit(rbtx4939_flash_exit);
module_platform_driver(rbtx4939_flash_driver);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("RBTX4939 MTD map driver");

17
drivers/mtd/maps/sa1100-flash.c
View file

@ -377,8 +377,8 @@ static int __exit sa1100_mtd_remove(struct platform_device *pdev)
static void sa1100_mtd_shutdown(struct platform_device *dev)
{
struct sa_info *info = platform_get_drvdata(dev);
if (info && info->mtd->suspend(info->mtd) == 0)
info->mtd->resume(info->mtd);
if (info && mtd_suspend(info->mtd) == 0)
mtd_resume(info->mtd);
}
#else
#define sa1100_mtd_shutdown NULL
@ -394,18 +394,7 @@ static struct platform_driver sa1100_mtd_driver = {
},
};
static int __init sa1100_mtd_init(void)
{
return platform_driver_register(&sa1100_mtd_driver);
}
static void __exit sa1100_mtd_exit(void)
{
platform_driver_unregister(&sa1100_mtd_driver);
}
module_init(sa1100_mtd_init);
module_exit(sa1100_mtd_exit);
module_platform_driver(sa1100_mtd_driver);
MODULE_AUTHOR("Nicolas Pitre");
MODULE_DESCRIPTION("SA1100 CFI map driver");

3
drivers/mtd/maps/scb2_flash.c
View file

@ -204,8 +204,7 @@ scb2_flash_remove(struct pci_dev *dev)
return;
/* disable flash writes */
if (scb2_mtd->lock)
scb2_mtd->lock(scb2_mtd, 0, scb2_mtd->size);
mtd_lock(scb2_mtd, 0, scb2_mtd->size);
mtd_device_unregister(scb2_mtd);
map_destroy(scb2_mtd);

13
drivers/mtd/maps/sun_uflash.c
View file

@ -158,15 +158,4 @@ static struct platform_driver uflash_driver = {
.remove = __devexit_p(uflash_remove),
};
static int __init uflash_init(void)
{
return platform_driver_register(&uflash_driver);
}
static void __exit uflash_exit(void)
{
platform_driver_unregister(&uflash_driver);
}
module_init(uflash_init);
module_exit(uflash_exit);
module_platform_driver(uflash_driver);

3
drivers/mtd/mtd_blkdevs.c
View file

@ -215,7 +215,7 @@ static int blktrans_open(struct block_device *bdev, fmode_t mode)
mutex_lock(&dev->lock);
if (dev->open++)
if (dev->open)
goto unlock;
kref_get(&dev->ref);
@ -235,6 +235,7 @@ static int blktrans_open(struct block_device *bdev, fmode_t mode)
goto error_release;
unlock:
dev->open++;
mutex_unlock(&dev->lock);
blktrans_dev_put(dev);
return ret;

21
drivers/mtd/mtdblock.c
View file

@ -85,7 +85,7 @@ static int erase_write (struct mtd_info *mtd, unsigned long pos,
set_current_state(TASK_INTERRUPTIBLE);
add_wait_queue(&wait_q, &wait);
ret = mtd->erase(mtd, &erase);
ret = mtd_erase(mtd, &erase);
if (ret) {
set_current_state(TASK_RUNNING);
remove_wait_queue(&wait_q, &wait);
@ -102,7 +102,7 @@ static int erase_write (struct mtd_info *mtd, unsigned long pos,
* Next, write the data to flash.
*/
ret = mtd->write(mtd, pos, len, &retlen, buf);
ret = mtd_write(mtd, pos, len, &retlen, buf);
if (ret)
return ret;
if (retlen != len)
@ -152,7 +152,7 @@ static int do_cached_write (struct mtdblk_dev *mtdblk, unsigned long pos,
mtd->name, pos, len);
if (!sect_size)
return mtd->write(mtd, pos, len, &retlen, buf);
return mtd_write(mtd, pos, len, &retlen, buf);
while (len > 0) {
unsigned long sect_start = (pos/sect_size)*sect_size;
@ -184,8 +184,8 @@ static int do_cached_write (struct mtdblk_dev *mtdblk, unsigned long pos,
mtdblk->cache_offset != sect_start) {
/* fill the cache with the current sector */
mtdblk->cache_state = STATE_EMPTY;
ret = mtd->read(mtd, sect_start, sect_size,
&retlen, mtdblk->cache_data);
ret = mtd_read(mtd, sect_start, sect_size,
&retlen, mtdblk->cache_data);
if (ret)
return ret;
if (retlen != sect_size)
@ -222,7 +222,7 @@ static int do_cached_read (struct mtdblk_dev *mtdblk, unsigned long pos,
mtd->name, pos, len);
if (!sect_size)
return mtd->read(mtd, pos, len, &retlen, buf);
return mtd_read(mtd, pos, len, &retlen, buf);
while (len > 0) {
unsigned long sect_start = (pos/sect_size)*sect_size;
@ -241,7 +241,7 @@ static int do_cached_read (struct mtdblk_dev *mtdblk, unsigned long pos,
mtdblk->cache_offset == sect_start) {
memcpy (buf, mtdblk->cache_data + offset, size);
} else {
ret = mtd->read(mtd, pos, size, &retlen, buf);
ret = mtd_read(mtd, pos, size, &retlen, buf);
if (ret)
return ret;
if (retlen != size)
@ -322,8 +322,7 @@ static int mtdblock_release(struct mtd_blktrans_dev *mbd)
if (!--mtdblk->count) {
/* It was the last usage. Free the cache */
if (mbd->mtd->sync)
mbd->mtd->sync(mbd->mtd);
mtd_sync(mbd->mtd);
vfree(mtdblk->cache_data);
}
@ -341,9 +340,7 @@ static int mtdblock_flush(struct mtd_blktrans_dev *dev)
mutex_lock(&mtdblk->cache_mutex);
write_cached_data(mtdblk);
mutex_unlock(&mtdblk->cache_mutex);
if (dev->mtd->sync)
dev->mtd->sync(dev->mtd);
mtd_sync(dev->mtd);
return 0;
}

4
drivers/mtd/mtdblock_ro.c
View file

@ -30,7 +30,7 @@ static int mtdblock_readsect(struct mtd_blktrans_dev *dev,
{
size_t retlen;
if (dev->mtd->read(dev->mtd, (block * 512), 512, &retlen, buf))
if (mtd_read(dev->mtd, (block * 512), 512, &retlen, buf))
return 1;
return 0;
}
@ -40,7 +40,7 @@ static int mtdblock_writesect(struct mtd_blktrans_dev *dev,
{
size_t retlen;
if (dev->mtd->write(dev->mtd, (block * 512), 512, &retlen, buf))
if (mtd_write(dev->mtd, (block * 512), 512, &retlen, buf))
return 1;
return 0;
}

203
drivers/mtd/mtdchar.c
View file

@ -51,7 +51,7 @@ struct mtd_file_info {
enum mtd_file_modes mode;
};
static loff_t mtd_lseek (struct file *file, loff_t offset, int orig)
static loff_t mtdchar_lseek(struct file *file, loff_t offset, int orig)
{
struct mtd_file_info *mfi = file->private_data;
struct mtd_info *mtd = mfi->mtd;
@ -77,7 +77,7 @@ static loff_t mtd_lseek (struct file *file, loff_t offset, int orig)
static int mtd_open(struct inode *inode, struct file *file)
static int mtdchar_open(struct inode *inode, struct file *file)
{
int minor = iminor(inode);
int devnum = minor >> 1;
@ -142,11 +142,11 @@ static int mtd_open(struct inode *inode, struct file *file)
out:
mutex_unlock(&mtd_mutex);
return ret;
} /* mtd_open */
} /* mtdchar_open */
/*====================================================================*/
static int mtd_close(struct inode *inode, struct file *file)
static int mtdchar_close(struct inode *inode, struct file *file)
{
struct mtd_file_info *mfi = file->private_data;
struct mtd_info *mtd = mfi->mtd;
@ -154,8 +154,8 @@ static int mtd_close(struct inode *inode, struct file *file)
pr_debug("MTD_close\n");
/* Only sync if opened RW */
if ((file->f_mode & FMODE_WRITE) && mtd->sync)
mtd->sync(mtd);
if ((file->f_mode & FMODE_WRITE))
mtd_sync(mtd);
iput(mfi->ino);
@ -164,7 +164,7 @@ static int mtd_close(struct inode *inode, struct file *file)
kfree(mfi);
return 0;
} /* mtd_close */
} /* mtdchar_close */
/* Back in June 2001, dwmw2 wrote:
*
@ -184,11 +184,12 @@ static int mtd_close(struct inode *inode, struct file *file)
* alignment requirements are not met in the NAND subdriver.
*/
static ssize_t mtd_read(struct file *file, char __user *buf, size_t count,loff_t *ppos)
static ssize_t mtdchar_read(struct file *file, char __user *buf, size_t count,
loff_t *ppos)
{
struct mtd_file_info *mfi = file->private_data;
struct mtd_info *mtd = mfi->mtd;
size_t retlen=0;
size_t retlen;
size_t total_retlen=0;
int ret=0;
int len;
@ -212,10 +213,12 @@ static ssize_t mtd_read(struct file *file, char __user *buf, size_t count,loff_t
switch (mfi->mode) {
case MTD_FILE_MODE_OTP_FACTORY:
ret = mtd->read_fact_prot_reg(mtd, *ppos, len, &retlen, kbuf);
ret = mtd_read_fact_prot_reg(mtd, *ppos, len,
&retlen, kbuf);
break;
case MTD_FILE_MODE_OTP_USER:
ret = mtd->read_user_prot_reg(mtd, *ppos, len, &retlen, kbuf);
ret = mtd_read_user_prot_reg(mtd, *ppos, len,
&retlen, kbuf);
break;
case MTD_FILE_MODE_RAW:
{
@ -226,12 +229,12 @@ static ssize_t mtd_read(struct file *file, char __user *buf, size_t count,loff_t
ops.oobbuf = NULL;
ops.len = len;
ret = mtd->read_oob(mtd, *ppos, &ops);
ret = mtd_read_oob(mtd, *ppos, &ops);
retlen = ops.retlen;
break;
}
default:
ret = mtd->read(mtd, *ppos, len, &retlen, kbuf);
ret = mtd_read(mtd, *ppos, len, &retlen, kbuf);
}
/* Nand returns -EBADMSG on ECC errors, but it returns
* the data. For our userspace tools it is important
@ -265,9 +268,10 @@ static ssize_t mtd_read(struct file *file, char __user *buf, size_t count,loff_t
kfree(kbuf);
return total_retlen;
} /* mtd_read */
} /* mtdchar_read */
static ssize_t mtd_write(struct file *file, const char __user *buf, size_t count,loff_t *ppos)
static ssize_t mtdchar_write(struct file *file, const char __user *buf, size_t count,
loff_t *ppos)
{
struct mtd_file_info *mfi = file->private_data;
struct mtd_info *mtd = mfi->mtd;
@ -306,11 +310,8 @@ static ssize_t mtd_write(struct file *file, const char __user *buf, size_t count
ret = -EROFS;
break;
case MTD_FILE_MODE_OTP_USER:
if (!mtd->write_user_prot_reg) {
ret = -EOPNOTSUPP;
break;
}
ret = mtd->write_user_prot_reg(mtd, *ppos, len, &retlen, kbuf);
ret = mtd_write_user_prot_reg(mtd, *ppos, len,
&retlen, kbuf);
break;
case MTD_FILE_MODE_RAW:
@ -323,13 +324,13 @@ static ssize_t mtd_write(struct file *file, const char __user *buf, size_t count
ops.ooboffs = 0;
ops.len = len;
ret = mtd->write_oob(mtd, *ppos, &ops);
ret = mtd_write_oob(mtd, *ppos, &ops);
retlen = ops.retlen;
break;
}
default:
ret = (*(mtd->write))(mtd, *ppos, len, &retlen, kbuf);
ret = mtd_write(mtd, *ppos, len, &retlen, kbuf);
}
if (!ret) {
*ppos += retlen;
@ -345,7 +346,7 @@ static ssize_t mtd_write(struct file *file, const char __user *buf, size_t count
kfree(kbuf);
return total_retlen;
} /* mtd_write */
} /* mtdchar_write */
/*======================================================================
@ -361,20 +362,22 @@ static void mtdchar_erase_callback (struct erase_info *instr)
static int otp_select_filemode(struct mtd_file_info *mfi, int mode)
{
struct mtd_info *mtd = mfi->mtd;
size_t retlen;
int ret = 0;
/*
* Make a fake call to mtd_read_fact_prot_reg() to check if OTP
* operations are supported.
*/
if (mtd_read_fact_prot_reg(mtd, -1, -1, &retlen, NULL) == -EOPNOTSUPP)
return -EOPNOTSUPP;
switch (mode) {
case MTD_OTP_FACTORY:
if (!mtd->read_fact_prot_reg)
ret = -EOPNOTSUPP;
else
mfi->mode = MTD_FILE_MODE_OTP_FACTORY;
mfi->mode = MTD_FILE_MODE_OTP_FACTORY;
break;
case MTD_OTP_USER:
if (!mtd->read_fact_prot_reg)
ret = -EOPNOTSUPP;
else
mfi->mode = MTD_FILE_MODE_OTP_USER;
mfi->mode = MTD_FILE_MODE_OTP_USER;
break;
default:
ret = -EINVAL;
@ -387,7 +390,7 @@ static int otp_select_filemode(struct mtd_file_info *mfi, int mode)
# define otp_select_filemode(f,m) -EOPNOTSUPP
#endif
static int mtd_do_writeoob(struct file *file, struct mtd_info *mtd,
static int mtdchar_writeoob(struct file *file, struct mtd_info *mtd,
uint64_t start, uint32_t length, void __user *ptr,
uint32_t __user *retp)
{
@ -424,7 +427,7 @@ static int mtd_do_writeoob(struct file *file, struct mtd_info *mtd,
return PTR_ERR(ops.oobbuf);
start &= ~((uint64_t)mtd->writesize - 1);
ret = mtd->write_oob(mtd, start, &ops);
ret = mtd_write_oob(mtd, start, &ops);
if (ops.oobretlen > 0xFFFFFFFFU)
ret = -EOVERFLOW;
@ -436,7 +439,7 @@ static int mtd_do_writeoob(struct file *file, struct mtd_info *mtd,
return ret;
}
static int mtd_do_readoob(struct file *file, struct mtd_info *mtd,
static int mtdchar_readoob(struct file *file, struct mtd_info *mtd,
uint64_t start, uint32_t length, void __user *ptr,
uint32_t __user *retp)
{
@ -447,13 +450,8 @@ static int mtd_do_readoob(struct file *file, struct mtd_info *mtd,
if (length > 4096)
return -EINVAL;
if (!mtd->read_oob)
ret = -EOPNOTSUPP;
else
ret = access_ok(VERIFY_WRITE, ptr,
length) ? 0 : -EFAULT;
if (ret)
return ret;
if (!access_ok(VERIFY_WRITE, ptr, length))
return -EFAULT;
ops.ooblen = length;
ops.ooboffs = start & (mtd->writesize - 1);
@ -469,7 +467,7 @@ static int mtd_do_readoob(struct file *file, struct mtd_info *mtd,
return -ENOMEM;
start &= ~((uint64_t)mtd->writesize - 1);
ret = mtd->read_oob(mtd, start, &ops);
ret = mtd_read_oob(mtd, start, &ops);
if (put_user(ops.oobretlen, retp))
ret = -EFAULT;
@ -530,7 +528,7 @@ static int shrink_ecclayout(const struct nand_ecclayout *from,
return 0;
}
static int mtd_blkpg_ioctl(struct mtd_info *mtd,
static int mtdchar_blkpg_ioctl(struct mtd_info *mtd,
struct blkpg_ioctl_arg __user *arg)
{
struct blkpg_ioctl_arg a;
@ -566,7 +564,7 @@ static int mtd_blkpg_ioctl(struct mtd_info *mtd,
}
}
static int mtd_write_ioctl(struct mtd_info *mtd,
static int mtdchar_write_ioctl(struct mtd_info *mtd,
struct mtd_write_req __user *argp)
{
struct mtd_write_req req;
@ -607,7 +605,7 @@ static int mtd_write_ioctl(struct mtd_info *mtd,
ops.oobbuf = NULL;
}
ret = mtd->write_oob(mtd, (loff_t)req.start, &ops);
ret = mtd_write_oob(mtd, (loff_t)req.start, &ops);
kfree(ops.datbuf);
kfree(ops.oobbuf);
@ -615,7 +613,7 @@ static int mtd_write_ioctl(struct mtd_info *mtd,
return ret;
}
static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg)
{
struct mtd_file_info *mfi = file->private_data;
struct mtd_info *mtd = mfi->mtd;
@ -729,7 +727,7 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
wq_head is no longer there when the
callback routine tries to wake us up.
*/
ret = mtd->erase(mtd, erase);
ret = mtd_erase(mtd, erase);
if (!ret) {
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&waitq, &wait);
@ -755,7 +753,7 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
if (copy_from_user(&buf, argp, sizeof(buf)))
ret = -EFAULT;
else
ret = mtd_do_writeoob(file, mtd, buf.start, buf.length,
ret = mtdchar_writeoob(file, mtd, buf.start, buf.length,
buf.ptr, &buf_user->length);
break;
}
@ -769,7 +767,7 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
if (copy_from_user(&buf, argp, sizeof(buf)))
ret = -EFAULT;
else
ret = mtd_do_readoob(file, mtd, buf.start, buf.length,
ret = mtdchar_readoob(file, mtd, buf.start, buf.length,
buf.ptr, &buf_user->start);
break;
}
@ -782,7 +780,7 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
if (copy_from_user(&buf, argp, sizeof(buf)))
ret = -EFAULT;
else
ret = mtd_do_writeoob(file, mtd, buf.start, buf.length,
ret = mtdchar_writeoob(file, mtd, buf.start, buf.length,
(void __user *)(uintptr_t)buf.usr_ptr,
&buf_user->length);
break;
@ -796,7 +794,7 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
if (copy_from_user(&buf, argp, sizeof(buf)))
ret = -EFAULT;
else
ret = mtd_do_readoob(file, mtd, buf.start, buf.length,
ret = mtdchar_readoob(file, mtd, buf.start, buf.length,
(void __user *)(uintptr_t)buf.usr_ptr,
&buf_user->length);
break;
@ -804,7 +802,7 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
case MEMWRITE:
{
ret = mtd_write_ioctl(mtd,
ret = mtdchar_write_ioctl(mtd,
(struct mtd_write_req __user *)arg);
break;
}
@ -816,10 +814,7 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
if (copy_from_user(&einfo, argp, sizeof(einfo)))
return -EFAULT;
if (!mtd->lock)
ret = -EOPNOTSUPP;
else
ret = mtd->lock(mtd, einfo.start, einfo.length);
ret = mtd_lock(mtd, einfo.start, einfo.length);
break;
}
@ -830,10 +825,7 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
if (copy_from_user(&einfo, argp, sizeof(einfo)))
return -EFAULT;
if (!mtd->unlock)
ret = -EOPNOTSUPP;
else
ret = mtd->unlock(mtd, einfo.start, einfo.length);
ret = mtd_unlock(mtd, einfo.start, einfo.length);
break;
}
@ -844,10 +836,7 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
if (copy_from_user(&einfo, argp, sizeof(einfo)))
return -EFAULT;
if (!mtd->is_locked)
ret = -EOPNOTSUPP;
else
ret = mtd->is_locked(mtd, einfo.start, einfo.length);
ret = mtd_is_locked(mtd, einfo.start, einfo.length);
break;
}
@ -878,10 +867,7 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
if (copy_from_user(&offs, argp, sizeof(loff_t)))
return -EFAULT;
if (!mtd->block_isbad)
ret = -EOPNOTSUPP;
else
return mtd->block_isbad(mtd, offs);
return mtd_block_isbad(mtd, offs);
break;
}
@ -891,10 +877,7 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
if (copy_from_user(&offs, argp, sizeof(loff_t)))
return -EFAULT;
if (!mtd->block_markbad)
ret = -EOPNOTSUPP;
else
return mtd->block_markbad(mtd, offs);
return mtd_block_markbad(mtd, offs);
break;
}
@ -919,17 +902,15 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
struct otp_info *buf = kmalloc(4096, GFP_KERNEL);
if (!buf)
return -ENOMEM;
ret = -EOPNOTSUPP;
switch (mfi->mode) {
case MTD_FILE_MODE_OTP_FACTORY:
if (mtd->get_fact_prot_info)
ret = mtd->get_fact_prot_info(mtd, buf, 4096);
ret = mtd_get_fact_prot_info(mtd, buf, 4096);
break;
case MTD_FILE_MODE_OTP_USER:
if (mtd->get_user_prot_info)
ret = mtd->get_user_prot_info(mtd, buf, 4096);
ret = mtd_get_user_prot_info(mtd, buf, 4096);
break;
default:
ret = -EINVAL;
break;
}
if (ret >= 0) {
@ -953,9 +934,7 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
return -EINVAL;
if (copy_from_user(&oinfo, argp, sizeof(oinfo)))
return -EFAULT;
if (!mtd->lock_user_prot_reg)
return -EOPNOTSUPP;
ret = mtd->lock_user_prot_reg(mtd, oinfo.start, oinfo.length);
ret = mtd_lock_user_prot_reg(mtd, oinfo.start, oinfo.length);
break;
}
#endif
@ -999,7 +978,7 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
break;
case MTD_FILE_MODE_RAW:
if (!mtd->read_oob || !mtd->write_oob)
if (!mtd_has_oob(mtd))
return -EOPNOTSUPP;
mfi->mode = arg;
@ -1014,7 +993,7 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
case BLKPG:
{
ret = mtd_blkpg_ioctl(mtd,
ret = mtdchar_blkpg_ioctl(mtd,
(struct blkpg_ioctl_arg __user *)arg);
break;
}
@ -1033,12 +1012,12 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
return ret;
} /* memory_ioctl */
static long mtd_unlocked_ioctl(struct file *file, u_int cmd, u_long arg)
static long mtdchar_unlocked_ioctl(struct file *file, u_int cmd, u_long arg)
{
int ret;
mutex_lock(&mtd_mutex);
ret = mtd_ioctl(file, cmd, arg);
ret = mtdchar_ioctl(file, cmd, arg);
mutex_unlock(&mtd_mutex);
return ret;
@ -1055,7 +1034,7 @@ struct mtd_oob_buf32 {
#define MEMWRITEOOB32 _IOWR('M', 3, struct mtd_oob_buf32)
#define MEMREADOOB32 _IOWR('M', 4, struct mtd_oob_buf32)
static long mtd_compat_ioctl(struct file *file, unsigned int cmd,
static long mtdchar_compat_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
struct mtd_file_info *mfi = file->private_data;
@ -1074,7 +1053,7 @@ static long mtd_compat_ioctl(struct file *file, unsigned int cmd,
if (copy_from_user(&buf, argp, sizeof(buf)))
ret = -EFAULT;
else
ret = mtd_do_writeoob(file, mtd, buf.start,
ret = mtdchar_writeoob(file, mtd, buf.start,
buf.length, compat_ptr(buf.ptr),
&buf_user->length);
break;
@ -1089,13 +1068,13 @@ static long mtd_compat_ioctl(struct file *file, unsigned int cmd,
if (copy_from_user(&buf, argp, sizeof(buf)))
ret = -EFAULT;
else
ret = mtd_do_readoob(file, mtd, buf.start,
ret = mtdchar_readoob(file, mtd, buf.start,
buf.length, compat_ptr(buf.ptr),
&buf_user->start);
break;
}
default:
ret = mtd_ioctl(file, cmd, (unsigned long)argp);
ret = mtdchar_ioctl(file, cmd, (unsigned long)argp);
}
mutex_unlock(&mtd_mutex);
@ -1111,7 +1090,7 @@ static long mtd_compat_ioctl(struct file *file, unsigned int cmd,
* mappings)
*/
#ifndef CONFIG_MMU
static unsigned long mtd_get_unmapped_area(struct file *file,
static unsigned long mtdchar_get_unmapped_area(struct file *file,
unsigned long addr,
unsigned long len,
unsigned long pgoff,
@ -1119,32 +1098,28 @@ static unsigned long mtd_get_unmapped_area(struct file *file,
{
struct mtd_file_info *mfi = file->private_data;
struct mtd_info *mtd = mfi->mtd;
unsigned long offset;
int ret;
if (mtd->get_unmapped_area) {
unsigned long offset;
if (addr != 0)
return (unsigned long) -EINVAL;
if (addr != 0)
return (unsigned long) -EINVAL;
if (len > mtd->size || pgoff >= (mtd->size >> PAGE_SHIFT))
return (unsigned long) -EINVAL;
if (len > mtd->size || pgoff >= (mtd->size >> PAGE_SHIFT))
return (unsigned long) -EINVAL;
offset = pgoff << PAGE_SHIFT;
if (offset > mtd->size - len)
return (unsigned long) -EINVAL;
offset = pgoff << PAGE_SHIFT;
if (offset > mtd->size - len)
return (unsigned long) -EINVAL;
return mtd->get_unmapped_area(mtd, len, offset, flags);
}
/* can't map directly */
return (unsigned long) -ENOSYS;
ret = mtd_get_unmapped_area(mtd, len, offset, flags);
return ret == -EOPNOTSUPP ? -ENOSYS : ret;
}
#endif
/*
* set up a mapping for shared memory segments
*/
static int mtd_mmap(struct file *file, struct vm_area_struct *vma)
static int mtdchar_mmap(struct file *file, struct vm_area_struct *vma)
{
#ifdef CONFIG_MMU
struct mtd_file_info *mfi = file->private_data;
@ -1185,18 +1160,18 @@ static int mtd_mmap(struct file *file, struct vm_area_struct *vma)
static const struct file_operations mtd_fops = {
.owner = THIS_MODULE,
.llseek = mtd_lseek,
.read = mtd_read,
.write = mtd_write,
.unlocked_ioctl = mtd_unlocked_ioctl,
.llseek = mtdchar_lseek,
.read = mtdchar_read,
.write = mtdchar_write,
.unlocked_ioctl = mtdchar_unlocked_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = mtd_compat_ioctl,
.compat_ioctl = mtdchar_compat_ioctl,
#endif
.open = mtd_open,
.release = mtd_close,
.mmap = mtd_mmap,
.open = mtdchar_open,
.release = mtdchar_close,
.mmap = mtdchar_mmap,
#ifndef CONFIG_MMU
.get_unmapped_area = mtd_get_unmapped_area,
.get_unmapped_area = mtdchar_get_unmapped_area,
#endif
};

53
drivers/mtd/mtdconcat.c
View file

@ -91,7 +91,7 @@ concat_read(struct mtd_info *mtd, loff_t from, size_t len,
/* Entire transaction goes into this subdev */
size = len;
err = subdev->read(subdev, from, size, &retsize, buf);
err = mtd_read(subdev, from, size, &retsize, buf);
/* Save information about bitflips! */
if (unlikely(err)) {
@ -148,7 +148,7 @@ concat_write(struct mtd_info *mtd, loff_t to, size_t len,
if (!(subdev->flags & MTD_WRITEABLE))
err = -EROFS;
else
err = subdev->write(subdev, to, size, &retsize, buf);
err = mtd_write(subdev, to, size, &retsize, buf);
if (err)
break;
@ -227,8 +227,9 @@ concat_writev(struct mtd_info *mtd, const struct kvec *vecs,
if (!(subdev->flags & MTD_WRITEABLE))
err = -EROFS;
else
err = subdev->writev(subdev, &vecs_copy[entry_low],
entry_high - entry_low + 1, to, &retsize);
err = mtd_writev(subdev, &vecs_copy[entry_low],
entry_high - entry_low + 1, to,
&retsize);
vecs_copy[entry_high].iov_len = old_iov_len - size;
vecs_copy[entry_high].iov_base += size;
@ -273,7 +274,7 @@ concat_read_oob(struct mtd_info *mtd, loff_t from, struct mtd_oob_ops *ops)
if (from + devops.len > subdev->size)
devops.len = subdev->size - from;
err = subdev->read_oob(subdev, from, &devops);
err = mtd_read_oob(subdev, from, &devops);
ops->retlen += devops.retlen;
ops->oobretlen += devops.oobretlen;
@ -333,7 +334,7 @@ concat_write_oob(struct mtd_info *mtd, loff_t to, struct mtd_oob_ops *ops)
if (to + devops.len > subdev->size)
devops.len = subdev->size - to;
err = subdev->write_oob(subdev, to, &devops);
err = mtd_write_oob(subdev, to, &devops);
ops->retlen += devops.oobretlen;
if (err)
return err;
@ -379,7 +380,7 @@ static int concat_dev_erase(struct mtd_info *mtd, struct erase_info *erase)
* FIXME: Allow INTERRUPTIBLE. Which means
* not having the wait_queue head on the stack.
*/
err = mtd->erase(mtd, erase);
err = mtd_erase(mtd, erase);
if (!err) {
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&waitq, &wait);
@ -554,12 +555,9 @@ static int concat_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
else
size = len;
if (subdev->lock) {
err = subdev->lock(subdev, ofs, size);
if (err)
break;
} else
err = -EOPNOTSUPP;
err = mtd_lock(subdev, ofs, size);
if (err)
break;
len -= size;
if (len == 0)
@ -594,12 +592,9 @@ static int concat_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
else
size = len;
if (subdev->unlock) {
err = subdev->unlock(subdev, ofs, size);
if (err)
break;
} else
err = -EOPNOTSUPP;
err = mtd_unlock(subdev, ofs, size);
if (err)
break;
len -= size;
if (len == 0)
@ -619,7 +614,7 @@ static void concat_sync(struct mtd_info *mtd)
for (i = 0; i < concat->num_subdev; i++) {
struct mtd_info *subdev = concat->subdev[i];
subdev->sync(subdev);
mtd_sync(subdev);
}
}
@ -630,7 +625,7 @@ static int concat_suspend(struct mtd_info *mtd)
for (i = 0; i < concat->num_subdev; i++) {
struct mtd_info *subdev = concat->subdev[i];
if ((rc = subdev->suspend(subdev)) < 0)
if ((rc = mtd_suspend(subdev)) < 0)
return rc;
}
return rc;
@ -643,7 +638,7 @@ static void concat_resume(struct mtd_info *mtd)
for (i = 0; i < concat->num_subdev; i++) {
struct mtd_info *subdev = concat->subdev[i];
subdev->resume(subdev);
mtd_resume(subdev);
}
}
@ -652,7 +647,7 @@ static int concat_block_isbad(struct mtd_info *mtd, loff_t ofs)
struct mtd_concat *concat = CONCAT(mtd);
int i, res = 0;
if (!concat->subdev[0]->block_isbad)
if (!mtd_can_have_bb(concat->subdev[0]))
return res;
if (ofs > mtd->size)
@ -666,7 +661,7 @@ static int concat_block_isbad(struct mtd_info *mtd, loff_t ofs)
continue;
}
res = subdev->block_isbad(subdev, ofs);
res = mtd_block_isbad(subdev, ofs);
break;
}
@ -678,7 +673,7 @@ static int concat_block_markbad(struct mtd_info *mtd, loff_t ofs)
struct mtd_concat *concat = CONCAT(mtd);
int i, err = -EINVAL;
if (!concat->subdev[0]->block_markbad)
if (!mtd_can_have_bb(concat->subdev[0]))
return 0;
if (ofs > mtd->size)
@ -692,7 +687,7 @@ static int concat_block_markbad(struct mtd_info *mtd, loff_t ofs)
continue;
}
err = subdev->block_markbad(subdev, ofs);
err = mtd_block_markbad(subdev, ofs);
if (!err)
mtd->ecc_stats.badblocks++;
break;
@ -725,11 +720,7 @@ static unsigned long concat_get_unmapped_area(struct mtd_info *mtd,
if (offset + len > subdev->size)
return (unsigned long) -EINVAL;
if (subdev->get_unmapped_area)
return subdev->get_unmapped_area(subdev, len, offset,
flags);
break;
return mtd_get_unmapped_area(subdev, len, offset, flags);
}
return (unsigned long) -ENOSYS;

126
drivers/mtd/mtdcore.c
View file

@ -107,7 +107,8 @@ static LIST_HEAD(mtd_notifiers);
*/
static void mtd_release(struct device *dev)
{
dev_t index = MTD_DEVT(dev_to_mtd(dev)->index);
struct mtd_info *mtd = dev_get_drvdata(dev);
dev_t index = MTD_DEVT(mtd->index);
/* remove /dev/mtdXro node if needed */
if (index)
@ -116,27 +117,24 @@ static void mtd_release(struct device *dev)
static int mtd_cls_suspend(struct device *dev, pm_message_t state)
{
struct mtd_info *mtd = dev_to_mtd(dev);
struct mtd_info *mtd = dev_get_drvdata(dev);
if (mtd && mtd->suspend)
return mtd->suspend(mtd);
else
return 0;
return mtd_suspend(mtd);
}
static int mtd_cls_resume(struct device *dev)
{
struct mtd_info *mtd = dev_to_mtd(dev);
struct mtd_info *mtd = dev_get_drvdata(dev);
if (mtd && mtd->resume)
mtd->resume(mtd);
mtd_resume(mtd);
return 0;
}
static ssize_t mtd_type_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct mtd_info *mtd = dev_to_mtd(dev);
struct mtd_info *mtd = dev_get_drvdata(dev);
char *type;
switch (mtd->type) {
@ -172,7 +170,7 @@ static DEVICE_ATTR(type, S_IRUGO, mtd_type_show, NULL);
static ssize_t mtd_flags_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct mtd_info *mtd = dev_to_mtd(dev);
struct mtd_info *mtd = dev_get_drvdata(dev);
return snprintf(buf, PAGE_SIZE, "0x%lx\n", (unsigned long)mtd->flags);
@ -182,7 +180,7 @@ static DEVICE_ATTR(flags, S_IRUGO, mtd_flags_show, NULL);
static ssize_t mtd_size_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct mtd_info *mtd = dev_to_mtd(dev);
struct mtd_info *mtd = dev_get_drvdata(dev);
return snprintf(buf, PAGE_SIZE, "%llu\n",
(unsigned long long)mtd->size);
@ -193,7 +191,7 @@ static DEVICE_ATTR(size, S_IRUGO, mtd_size_show, NULL);
static ssize_t mtd_erasesize_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct mtd_info *mtd = dev_to_mtd(dev);
struct mtd_info *mtd = dev_get_drvdata(dev);
return snprintf(buf, PAGE_SIZE, "%lu\n", (unsigned long)mtd->erasesize);
@ -203,7 +201,7 @@ static DEVICE_ATTR(erasesize, S_IRUGO, mtd_erasesize_show, NULL);
static ssize_t mtd_writesize_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct mtd_info *mtd = dev_to_mtd(dev);
struct mtd_info *mtd = dev_get_drvdata(dev);
return snprintf(buf, PAGE_SIZE, "%lu\n", (unsigned long)mtd->writesize);
@ -213,7 +211,7 @@ static DEVICE_ATTR(writesize, S_IRUGO, mtd_writesize_show, NULL);
static ssize_t mtd_subpagesize_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct mtd_info *mtd = dev_to_mtd(dev);
struct mtd_info *mtd = dev_get_drvdata(dev);
unsigned int subpagesize = mtd->writesize >> mtd->subpage_sft;
return snprintf(buf, PAGE_SIZE, "%u\n", subpagesize);
@ -224,7 +222,7 @@ static DEVICE_ATTR(subpagesize, S_IRUGO, mtd_subpagesize_show, NULL);
static ssize_t mtd_oobsize_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct mtd_info *mtd = dev_to_mtd(dev);
struct mtd_info *mtd = dev_get_drvdata(dev);
return snprintf(buf, PAGE_SIZE, "%lu\n", (unsigned long)mtd->oobsize);
@ -234,7 +232,7 @@ static DEVICE_ATTR(oobsize, S_IRUGO, mtd_oobsize_show, NULL);
static ssize_t mtd_numeraseregions_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct mtd_info *mtd = dev_to_mtd(dev);
struct mtd_info *mtd = dev_get_drvdata(dev);
return snprintf(buf, PAGE_SIZE, "%u\n", mtd->numeraseregions);
@ -245,7 +243,7 @@ static DEVICE_ATTR(numeraseregions, S_IRUGO, mtd_numeraseregions_show,
static ssize_t mtd_name_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct mtd_info *mtd = dev_to_mtd(dev);
struct mtd_info *mtd = dev_get_drvdata(dev);
return snprintf(buf, PAGE_SIZE, "%s\n", mtd->name);
@ -338,9 +336,9 @@ int add_mtd_device(struct mtd_info *mtd)
mtd->writesize_mask = (1 << mtd->writesize_shift) - 1;
/* Some chips always power up locked. Unlock them now */
if ((mtd->flags & MTD_WRITEABLE)
&& (mtd->flags & MTD_POWERUP_LOCK) && mtd->unlock) {
if (mtd->unlock(mtd, 0, mtd->size))
if ((mtd->flags & MTD_WRITEABLE) && (mtd->flags & MTD_POWERUP_LOCK)) {
error = mtd_unlock(mtd, 0, mtd->size);
if (error && error != -EOPNOTSUPP)
printk(KERN_WARNING
"%s: unlock failed, writes may not work\n",
mtd->name);
@ -516,7 +514,6 @@ EXPORT_SYMBOL_GPL(mtd_device_unregister);
* or removal of MTD devices. Causes the 'add' callback to be immediately
* invoked for each MTD device currently present in the system.
*/
void register_mtd_user (struct mtd_notifier *new)
{
struct mtd_info *mtd;
@ -532,6 +529,7 @@ void register_mtd_user (struct mtd_notifier *new)
mutex_unlock(&mtd_table_mutex);
}
EXPORT_SYMBOL_GPL(register_mtd_user);
/**
* unregister_mtd_user - unregister a 'user' of MTD devices.
@ -542,7 +540,6 @@ void register_mtd_user (struct mtd_notifier *new)
* 'remove' callback to be immediately invoked for each MTD device
* currently present in the system.
*/
int unregister_mtd_user (struct mtd_notifier *old)
{
struct mtd_info *mtd;
@ -558,7 +555,7 @@ int unregister_mtd_user (struct mtd_notifier *old)
mutex_unlock(&mtd_table_mutex);
return 0;
}
EXPORT_SYMBOL_GPL(unregister_mtd_user);
/**
* get_mtd_device - obtain a validated handle for an MTD device
@ -571,7 +568,6 @@ int unregister_mtd_user (struct mtd_notifier *old)
* both, return the num'th driver only if its address matches. Return
* error code if not.
*/
struct mtd_info *get_mtd_device(struct mtd_info *mtd, int num)
{
struct mtd_info *ret = NULL, *other;
@ -604,6 +600,7 @@ out:
mutex_unlock(&mtd_table_mutex);
return ret;
}
EXPORT_SYMBOL_GPL(get_mtd_device);
int __get_mtd_device(struct mtd_info *mtd)
@ -624,6 +621,7 @@ int __get_mtd_device(struct mtd_info *mtd)
mtd->usecount++;
return 0;
}
EXPORT_SYMBOL_GPL(__get_mtd_device);
/**
* get_mtd_device_nm - obtain a validated handle for an MTD device by
@ -633,7 +631,6 @@ int __get_mtd_device(struct mtd_info *mtd)
* This function returns MTD device description structure in case of
* success and an error code in case of failure.
*/
struct mtd_info *get_mtd_device_nm(const char *name)
{
int err = -ENODEV;
@ -662,6 +659,7 @@ out_unlock:
mutex_unlock(&mtd_table_mutex);
return ERR_PTR(err);
}
EXPORT_SYMBOL_GPL(get_mtd_device_nm);
void put_mtd_device(struct mtd_info *mtd)
{
@ -670,6 +668,7 @@ void put_mtd_device(struct mtd_info *mtd)
mutex_unlock(&mtd_table_mutex);
}
EXPORT_SYMBOL_GPL(put_mtd_device);
void __put_mtd_device(struct mtd_info *mtd)
{
@ -681,39 +680,65 @@ void __put_mtd_device(struct mtd_info *mtd)
module_put(mtd->owner);
}
EXPORT_SYMBOL_GPL(__put_mtd_device);
/* default_mtd_writev - default mtd writev method for MTD devices that
* don't implement their own
/*
* default_mtd_writev - the default writev method
* @mtd: mtd device description object pointer
* @vecs: the vectors to write
* @count: count of vectors in @vecs
* @to: the MTD device offset to write to
* @retlen: on exit contains the count of bytes written to the MTD device.
*
* This function returns zero in case of success and a negative error code in
* case of failure.
*/
int default_mtd_writev(struct mtd_info *mtd, const struct kvec *vecs,
unsigned long count, loff_t to, size_t *retlen)
static int default_mtd_writev(struct mtd_info *mtd, const struct kvec *vecs,
unsigned long count, loff_t to, size_t *retlen)
{
unsigned long i;
size_t totlen = 0, thislen;
int ret = 0;
if(!mtd->write) {
ret = -EROFS;
} else {
for (i=0; i<count; i++) {
if (!vecs[i].iov_len)
continue;
ret = mtd->write(mtd, to, vecs[i].iov_len, &thislen, vecs[i].iov_base);
totlen += thislen;
if (ret || thislen != vecs[i].iov_len)
break;
to += vecs[i].iov_len;
}
for (i = 0; i < count; i++) {
if (!vecs[i].iov_len)
continue;
ret = mtd_write(mtd, to, vecs[i].iov_len, &thislen,
vecs[i].iov_base);
totlen += thislen;
if (ret || thislen != vecs[i].iov_len)
break;
to += vecs[i].iov_len;
}
if (retlen)
*retlen = totlen;
*retlen = totlen;
return ret;
}
/*
* mtd_writev - the vector-based MTD write method
* @mtd: mtd device description object pointer
* @vecs: the vectors to write
* @count: count of vectors in @vecs
* @to: the MTD device offset to write to
* @retlen: on exit contains the count of bytes written to the MTD device.
*
* This function returns zero in case of success and a negative error code in
* case of failure.
*/
int mtd_writev(struct mtd_info *mtd, const struct kvec *vecs,
unsigned long count, loff_t to, size_t *retlen)
{
*retlen = 0;
if (!mtd->writev)
return default_mtd_writev(mtd, vecs, count, to, retlen);
return mtd->writev(mtd, vecs, count, to, retlen);
}
EXPORT_SYMBOL_GPL(mtd_writev);
/**
* mtd_kmalloc_up_to - allocate a contiguous buffer up to the specified size
* @size: A pointer to the ideal or maximum size of the allocation. Points
* @mtd: mtd device description object pointer
* @size: a pointer to the ideal or maximum size of the allocation, points
* to the actual allocation size on success.
*
* This routine attempts to allocate a contiguous kernel buffer up to
@ -758,15 +783,6 @@ void *mtd_kmalloc_up_to(const struct mtd_info *mtd, size_t *size)
*/
return kmalloc(*size, GFP_KERNEL);
}
EXPORT_SYMBOL_GPL(get_mtd_device);
EXPORT_SYMBOL_GPL(get_mtd_device_nm);
EXPORT_SYMBOL_GPL(__get_mtd_device);
EXPORT_SYMBOL_GPL(put_mtd_device);
EXPORT_SYMBOL_GPL(__put_mtd_device);
EXPORT_SYMBOL_GPL(register_mtd_user);
EXPORT_SYMBOL_GPL(unregister_mtd_user);
EXPORT_SYMBOL_GPL(default_mtd_writev);
EXPORT_SYMBOL_GPL(mtd_kmalloc_up_to);
#ifdef CONFIG_PROC_FS

44
drivers/mtd/mtdoops.c
View file

@ -112,7 +112,7 @@ static int mtdoops_erase_block(struct mtdoops_context *cxt, int offset)
set_current_state(TASK_INTERRUPTIBLE);
add_wait_queue(&wait_q, &wait);
ret = mtd->erase(mtd, &erase);
ret = mtd_erase(mtd, &erase);
if (ret) {
set_current_state(TASK_RUNNING);
remove_wait_queue(&wait_q, &wait);
@ -169,8 +169,8 @@ static void mtdoops_workfunc_erase(struct work_struct *work)
cxt->nextpage = 0;
}
while (mtd->block_isbad) {
ret = mtd->block_isbad(mtd, cxt->nextpage * record_size);
while (mtd_can_have_bb(mtd)) {
ret = mtd_block_isbad(mtd, cxt->nextpage * record_size);
if (!ret)
break;
if (ret < 0) {
@ -199,8 +199,8 @@ badblock:
return;
}
if (mtd->block_markbad && ret == -EIO) {
ret = mtd->block_markbad(mtd, cxt->nextpage * record_size);
if (mtd_can_have_bb(mtd) && ret == -EIO) {
ret = mtd_block_markbad(mtd, cxt->nextpage * record_size);
if (ret < 0) {
printk(KERN_ERR "mtdoops: block_markbad failed, aborting\n");
return;
@ -221,12 +221,16 @@ static void mtdoops_write(struct mtdoops_context *cxt, int panic)
hdr[0] = cxt->nextcount;
hdr[1] = MTDOOPS_KERNMSG_MAGIC;
if (panic)
ret = mtd->panic_write(mtd, cxt->nextpage * record_size,
record_size, &retlen, cxt->oops_buf);
else
ret = mtd->write(mtd, cxt->nextpage * record_size,
record_size, &retlen, cxt->oops_buf);
if (panic) {
ret = mtd_panic_write(mtd, cxt->nextpage * record_size,
record_size, &retlen, cxt->oops_buf);
if (ret == -EOPNOTSUPP) {
printk(KERN_ERR "mtdoops: Cannot write from panic without panic_write\n");
return;
}
} else
ret = mtd_write(mtd, cxt->nextpage * record_size,
record_size, &retlen, cxt->oops_buf);
if (retlen != record_size || ret < 0)
printk(KERN_ERR "mtdoops: write failure at %ld (%td of %ld written), error %d\n",
@ -253,10 +257,13 @@ static void find_next_position(struct mtdoops_context *cxt)
size_t retlen;
for (page = 0; page < cxt->oops_pages; page++) {
if (mtd_can_have_bb(mtd) &&
mtd_block_isbad(mtd, page * record_size))
continue;
/* Assume the page is used */
mark_page_used(cxt, page);
ret = mtd->read(mtd, page * record_size, MTDOOPS_HEADER_SIZE,
&retlen, (u_char *) &count[0]);
ret = mtd_read(mtd, page * record_size, MTDOOPS_HEADER_SIZE,
&retlen, (u_char *)&count[0]);
if (retlen != MTDOOPS_HEADER_SIZE ||
(ret < 0 && !mtd_is_bitflip(ret))) {
printk(KERN_ERR "mtdoops: read failure at %ld (%td of %d read), err %d\n",
@ -327,13 +334,8 @@ static void mtdoops_do_dump(struct kmsg_dumper *dumper,
memcpy(dst + l1_cpy, s2 + s2_start, l2_cpy);
/* Panics must be written immediately */
if (reason != KMSG_DUMP_OOPS) {
if (!cxt->mtd->panic_write)
printk(KERN_ERR "mtdoops: Cannot write from panic without panic_write\n");
else
mtdoops_write(cxt, 1);
return;
}
if (reason != KMSG_DUMP_OOPS)
mtdoops_write(cxt, 1);
/* For other cases, schedule work to write it "nicely" */
schedule_work(&cxt->work_write);
@ -369,7 +371,7 @@ static void mtdoops_notify_add(struct mtd_info *mtd)
/* oops_page_used is a bit field */
cxt->oops_page_used = vmalloc(DIV_ROUND_UP(mtdoops_pages,
BITS_PER_LONG));
BITS_PER_LONG) * sizeof(unsigned long));
if (!cxt->oops_page_used) {
printk(KERN_ERR "mtdoops: could not allocate page array\n");
return;

63
drivers/mtd/mtdpart.c
View file

@ -70,8 +70,7 @@ static int part_read(struct mtd_info *mtd, loff_t from, size_t len,
len = 0;
else if (from + len > mtd->size)
len = mtd->size - from;
res = part->master->read(part->master, from + part->offset,
len, retlen, buf);
res = mtd_read(part->master, from + part->offset, len, retlen, buf);
if (unlikely(res)) {
if (mtd_is_bitflip(res))
mtd->ecc_stats.corrected += part->master->ecc_stats.corrected - stats.corrected;
@ -89,15 +88,15 @@ static int part_point(struct mtd_info *mtd, loff_t from, size_t len,
len = 0;
else if (from + len > mtd->size)
len = mtd->size - from;
return part->master->point (part->master, from + part->offset,
len, retlen, virt, phys);
return mtd_point(part->master, from + part->offset, len, retlen,
virt, phys);
}
static void part_unpoint(struct mtd_info *mtd, loff_t from, size_t len)
{
struct mtd_part *part = PART(mtd);
part->master->unpoint(part->master, from + part->offset, len);
mtd_unpoint(part->master, from + part->offset, len);
}
static unsigned long part_get_unmapped_area(struct mtd_info *mtd,
@ -108,8 +107,7 @@ static unsigned long part_get_unmapped_area(struct mtd_info *mtd,
struct mtd_part *part = PART(mtd);
offset += part->offset;
return part->master->get_unmapped_area(part->master, len, offset,
flags);
return mtd_get_unmapped_area(part->master, len, offset, flags);
}
static int part_read_oob(struct mtd_info *mtd, loff_t from,
@ -140,7 +138,7 @@ static int part_read_oob(struct mtd_info *mtd, loff_t from,
return -EINVAL;
}
res = part->master->read_oob(part->master, from + part->offset, ops);
res = mtd_read_oob(part->master, from + part->offset, ops);
if (unlikely(res)) {
if (mtd_is_bitflip(res))
mtd->ecc_stats.corrected++;
@ -154,30 +152,28 @@ static int part_read_user_prot_reg(struct mtd_info *mtd, loff_t from,
size_t len, size_t *retlen, u_char *buf)
{
struct mtd_part *part = PART(mtd);
return part->master->read_user_prot_reg(part->master, from,
len, retlen, buf);
return mtd_read_user_prot_reg(part->master, from, len, retlen, buf);
}
static int part_get_user_prot_info(struct mtd_info *mtd,
struct otp_info *buf, size_t len)
{
struct mtd_part *part = PART(mtd);
return part->master->get_user_prot_info(part->master, buf, len);
return mtd_get_user_prot_info(part->master, buf, len);
}
static int part_read_fact_prot_reg(struct mtd_info *mtd, loff_t from,
size_t len, size_t *retlen, u_char *buf)
{
struct mtd_part *part = PART(mtd);
return part->master->read_fact_prot_reg(part->master, from,
len, retlen, buf);
return mtd_read_fact_prot_reg(part->master, from, len, retlen, buf);
}
static int part_get_fact_prot_info(struct mtd_info *mtd, struct otp_info *buf,
size_t len)
{
struct mtd_part *part = PART(mtd);
return part->master->get_fact_prot_info(part->master, buf, len);
return mtd_get_fact_prot_info(part->master, buf, len);
}
static int part_write(struct mtd_info *mtd, loff_t to, size_t len,
@ -190,8 +186,7 @@ static int part_write(struct mtd_info *mtd, loff_t to, size_t len,
len = 0;
else if (to + len > mtd->size)
len = mtd->size - to;
return part->master->write(part->master, to + part->offset,
len, retlen, buf);
return mtd_write(part->master, to + part->offset, len, retlen, buf);
}
static int part_panic_write(struct mtd_info *mtd, loff_t to, size_t len,
@ -204,8 +199,8 @@ static int part_panic_write(struct mtd_info *mtd, loff_t to, size_t len,
len = 0;
else if (to + len > mtd->size)
len = mtd->size - to;
return part->master->panic_write(part->master, to + part->offset,
len, retlen, buf);
return mtd_panic_write(part->master, to + part->offset, len, retlen,
buf);
}
static int part_write_oob(struct mtd_info *mtd, loff_t to,
@ -220,22 +215,21 @@ static int part_write_oob(struct mtd_info *mtd, loff_t to,
return -EINVAL;
if (ops->datbuf && to + ops->len > mtd->size)
return -EINVAL;
return part->master->write_oob(part->master, to + part->offset, ops);
return mtd_write_oob(part->master, to + part->offset, ops);
}
static int part_write_user_prot_reg(struct mtd_info *mtd, loff_t from,
size_t len, size_t *retlen, u_char *buf)
{
struct mtd_part *part = PART(mtd);
return part->master->write_user_prot_reg(part->master, from,
len, retlen, buf);
return mtd_write_user_prot_reg(part->master, from, len, retlen, buf);
}
static int part_lock_user_prot_reg(struct mtd_info *mtd, loff_t from,
size_t len)
{
struct mtd_part *part = PART(mtd);
return part->master->lock_user_prot_reg(part->master, from, len);
return mtd_lock_user_prot_reg(part->master, from, len);
}
static int part_writev(struct mtd_info *mtd, const struct kvec *vecs,
@ -244,8 +238,8 @@ static int part_writev(struct mtd_info *mtd, const struct kvec *vecs,
struct mtd_part *part = PART(mtd);
if (!(mtd->flags & MTD_WRITEABLE))
return -EROFS;
return part->master->writev(part->master, vecs, count,
to + part->offset, retlen);
return mtd_writev(part->master, vecs, count, to + part->offset,
retlen);
}
static int part_erase(struct mtd_info *mtd, struct erase_info *instr)
@ -257,7 +251,7 @@ static int part_erase(struct mtd_info *mtd, struct erase_info *instr)
if (instr->addr >= mtd->size)
return -EINVAL;
instr->addr += part->offset;
ret = part->master->erase(part->master, instr);
ret = mtd_erase(part->master, instr);
if (ret) {
if (instr->fail_addr != MTD_FAIL_ADDR_UNKNOWN)
instr->fail_addr -= part->offset;
@ -285,7 +279,7 @@ static int part_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
struct mtd_part *part = PART(mtd);
if ((len + ofs) > mtd->size)
return -EINVAL;
return part->master->lock(part->master, ofs + part->offset, len);
return mtd_lock(part->master, ofs + part->offset, len);
}
static int part_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
@ -293,7 +287,7 @@ static int part_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
struct mtd_part *part = PART(mtd);
if ((len + ofs) > mtd->size)
return -EINVAL;
return part->master->unlock(part->master, ofs + part->offset, len);
return mtd_unlock(part->master, ofs + part->offset, len);
}
static int part_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)
@ -301,25 +295,25 @@ static int part_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)
struct mtd_part *part = PART(mtd);
if ((len + ofs) > mtd->size)
return -EINVAL;
return part->master->is_locked(part->master, ofs + part->offset, len);
return mtd_is_locked(part->master, ofs + part->offset, len);
}
static void part_sync(struct mtd_info *mtd)
{
struct mtd_part *part = PART(mtd);
part->master->sync(part->master);
mtd_sync(part->master);
}
static int part_suspend(struct mtd_info *mtd)
{
struct mtd_part *part = PART(mtd);
return part->master->suspend(part->master);
return mtd_suspend(part->master);
}
static void part_resume(struct mtd_info *mtd)
{
struct mtd_part *part = PART(mtd);
part->master->resume(part->master);
mtd_resume(part->master);
}
static int part_block_isbad(struct mtd_info *mtd, loff_t ofs)
@ -328,7 +322,7 @@ static int part_block_isbad(struct mtd_info *mtd, loff_t ofs)
if (ofs >= mtd->size)
return -EINVAL;
ofs += part->offset;
return part->master->block_isbad(part->master, ofs);
return mtd_block_isbad(part->master, ofs);
}
static int part_block_markbad(struct mtd_info *mtd, loff_t ofs)
@ -341,7 +335,7 @@ static int part_block_markbad(struct mtd_info *mtd, loff_t ofs)
if (ofs >= mtd->size)
return -EINVAL;
ofs += part->offset;
res = part->master->block_markbad(part->master, ofs);
res = mtd_block_markbad(part->master, ofs);
if (!res)
mtd->ecc_stats.badblocks++;
return res;
@ -559,8 +553,7 @@ static struct mtd_part *allocate_partition(struct mtd_info *master,
uint64_t offs = 0;
while (offs < slave->mtd.size) {
if (master->block_isbad(master,
offs + slave->offset))
if (mtd_block_isbad(master, offs + slave->offset))
slave->mtd.ecc_stats.badblocks++;
offs += slave->mtd.erasesize;
}

29
drivers/mtd/mtdswap.c
View file

@ -274,12 +274,12 @@ static int mtdswap_handle_badblock(struct mtdswap_dev *d, struct swap_eb *eb)
eb->root = NULL;
/* badblocks not supported */
if (!d->mtd->block_markbad)
if (!mtd_can_have_bb(d->mtd))
return 1;
offset = mtdswap_eb_offset(d, eb);
dev_warn(d->dev, "Marking bad block at %08llx\n", offset);
ret = d->mtd->block_markbad(d->mtd, offset);
ret = mtd_block_markbad(d->mtd, offset);
if (ret) {
dev_warn(d->dev, "Mark block bad failed for block at %08llx "
@ -312,7 +312,7 @@ static int mtdswap_handle_write_error(struct mtdswap_dev *d, struct swap_eb *eb)
static int mtdswap_read_oob(struct mtdswap_dev *d, loff_t from,
struct mtd_oob_ops *ops)
{
int ret = d->mtd->read_oob(d->mtd, from, ops);
int ret = mtd_read_oob(d->mtd, from, ops);
if (mtd_is_bitflip(ret))
return ret;
@ -343,7 +343,7 @@ static int mtdswap_read_markers(struct mtdswap_dev *d, struct swap_eb *eb)
offset = mtdswap_eb_offset(d, eb);
/* Check first if the block is bad. */
if (d->mtd->block_isbad && d->mtd->block_isbad(d->mtd, offset))
if (mtd_can_have_bb(d->mtd) && mtd_block_isbad(d->mtd, offset))
return MTDSWAP_SCANNED_BAD;
ops.ooblen = 2 * d->mtd->ecclayout->oobavail;
@ -403,7 +403,7 @@ static int mtdswap_write_marker(struct mtdswap_dev *d, struct swap_eb *eb,
offset = mtdswap_eb_offset(d, eb) + d->mtd->writesize;
}
ret = d->mtd->write_oob(d->mtd, offset , &ops);
ret = mtd_write_oob(d->mtd, offset, &ops);
if (ret) {
dev_warn(d->dev, "Write OOB failed for block at %08llx "
@ -567,7 +567,7 @@ retry:
erase.len = mtd->erasesize;
erase.priv = (u_long)&wq;
ret = mtd->erase(mtd, &erase);
ret = mtd_erase(mtd, &erase);
if (ret) {
if (retries++ < MTDSWAP_ERASE_RETRIES) {
dev_warn(d->dev,
@ -689,7 +689,7 @@ retry:
return ret;
writepos = (loff_t)*bp << PAGE_SHIFT;
ret = mtd->write(mtd, writepos, PAGE_SIZE, &retlen, buf);
ret = mtd_write(mtd, writepos, PAGE_SIZE, &retlen, buf);
if (ret == -EIO || mtd_is_eccerr(ret)) {
d->curr_write_pos--;
eb->active_count--;
@ -736,7 +736,7 @@ static int mtdswap_move_block(struct mtdswap_dev *d, unsigned int oldblock,
retries = 0;
retry:
ret = mtd->read(mtd, readpos, PAGE_SIZE, &retlen, d->page_buf);
ret = mtd_read(mtd, readpos, PAGE_SIZE, &retlen, d->page_buf);
if (ret < 0 && !mtd_is_bitflip(ret)) {
oldeb = d->eb_data + oldblock / d->pages_per_eblk;
@ -946,7 +946,7 @@ static unsigned int mtdswap_eblk_passes(struct mtdswap_dev *d,
patt = mtdswap_test_patt(test + i);
memset(d->page_buf, patt, mtd->writesize);
memset(d->oob_buf, patt, mtd->ecclayout->oobavail);
ret = mtd->write_oob(mtd, pos, &ops);
ret = mtd_write_oob(mtd, pos, &ops);
if (ret)
goto error;
@ -955,7 +955,7 @@ static unsigned int mtdswap_eblk_passes(struct mtdswap_dev *d,
pos = base;
for (i = 0; i < mtd_pages; i++) {
ret = mtd->read_oob(mtd, pos, &ops);
ret = mtd_read_oob(mtd, pos, &ops);
if (ret)
goto error;
@ -1047,8 +1047,7 @@ static int mtdswap_flush(struct mtd_blktrans_dev *dev)
{
struct mtdswap_dev *d = MTDSWAP_MBD_TO_MTDSWAP(dev);
if (d->mtd->sync)
d->mtd->sync(d->mtd);
mtd_sync(d->mtd);
return 0;
}
@ -1059,9 +1058,9 @@ static unsigned int mtdswap_badblocks(struct mtd_info *mtd, uint64_t size)
badcnt = 0;
if (mtd->block_isbad)
if (mtd_can_have_bb(mtd))
for (offset = 0; offset < size; offset += mtd->erasesize)
if (mtd->block_isbad(mtd, offset))
if (mtd_block_isbad(mtd, offset))
badcnt++;
return badcnt;
@ -1161,7 +1160,7 @@ static int mtdswap_readsect(struct mtd_blktrans_dev *dev,
retries = 0;
retry:
ret = mtd->read(mtd, readpos, PAGE_SIZE, &retlen, buf);
ret = mtd_read(mtd, readpos, PAGE_SIZE, &retlen, buf);
d->mtd_read_count++;
if (mtd_is_bitflip(ret)) {

2
drivers/mtd/nand/Kconfig
View file

@ -110,7 +110,7 @@ config MTD_NAND_AMS_DELTA
config MTD_NAND_OMAP2
tristate "NAND Flash device on OMAP2, OMAP3 and OMAP4"
depends on ARM && (ARCH_OMAP2 || ARCH_OMAP3 || ARCH_OMAP4)
depends on ARCH_OMAP2PLUS
help
Support for NAND flash on Texas Instruments OMAP2, OMAP3 and OMAP4
platforms.

12
drivers/mtd/nand/ams-delta.c
View file

@ -280,17 +280,7 @@ static struct platform_driver ams_delta_nand_driver = {
},
};
static int __init ams_delta_nand_init(void)
{
return platform_driver_register(&ams_delta_nand_driver);
}
module_init(ams_delta_nand_init);
static void __exit ams_delta_nand_exit(void)
{
platform_driver_unregister(&ams_delta_nand_driver);
}
module_exit(ams_delta_nand_exit);
module_platform_driver(ams_delta_nand_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Jonathan McDowell <[email protected]>");

13
drivers/mtd/nand/bcm_umi_nand.c
View file

@ -546,18 +546,7 @@ static struct platform_driver nand_driver = {
.resume = bcm_umi_nand_resume,
};
static int __init nand_init(void)
{
return platform_driver_register(&nand_driver);
}
static void __exit nand_exit(void)
{
platform_driver_unregister(&nand_driver);
}
module_init(nand_init);
module_exit(nand_exit);
module_platform_driver(nand_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Broadcom");

4
drivers/mtd/nand/davinci_nand.c
View file

@ -675,7 +675,9 @@ static int __init nand_davinci_probe(struct platform_device *pdev)
davinci_nand_writel(info, A1CR_OFFSET + info->core_chipsel * 4, val);
ret = davinci_aemif_setup_timing(info->timing, info->base,
ret = 0;
if (info->timing)
ret = davinci_aemif_setup_timing(info->timing, info->base,
info->core_chipsel);
if (ret < 0) {
dev_dbg(&pdev->dev, "NAND timing values setup fail\n");

4
drivers/mtd/nand/diskonchip.c
View file

@ -1072,7 +1072,7 @@ static int __init find_media_headers(struct mtd_info *mtd, u_char *buf, const ch
size_t retlen;
for (offs = 0; offs < mtd->size; offs += mtd->erasesize) {
ret = mtd->read(mtd, offs, mtd->writesize, &retlen, buf);
ret = mtd_read(mtd, offs, mtd->writesize, &retlen, buf);
if (retlen != mtd->writesize)
continue;
if (ret) {
@ -1097,7 +1097,7 @@ static int __init find_media_headers(struct mtd_info *mtd, u_char *buf, const ch
/* Only one mediaheader was found. We want buf to contain a
mediaheader on return, so we'll have to re-read the one we found. */
offs = doc->mh0_page << this->page_shift;
ret = mtd->read(mtd, offs, mtd->writesize, &retlen, buf);
ret = mtd_read(mtd, offs, mtd->writesize, &retlen, buf);
if (retlen != mtd->writesize) {
/* Insanity. Give up. */
printk(KERN_ERR "Read DiskOnChip Media Header once, but can't reread it???\n");

75
drivers/mtd/nand/fsl_elbc_nand.c
View file

@ -166,15 +166,22 @@ static void set_addr(struct mtd_info *mtd, int column, int page_addr, int oob)
elbc_fcm_ctrl->page = page_addr;
out_be32(&lbc->fbar,
page_addr >> (chip->phys_erase_shift - chip->page_shift));
if (priv->page_size) {
/*
* large page size chip : FPAR[PI] save the lowest 6 bits,
* FBAR[BLK] save the other bits.
*/
out_be32(&lbc->fbar, page_addr >> 6);
out_be32(&lbc->fpar,
((page_addr << FPAR_LP_PI_SHIFT) & FPAR_LP_PI) |
(oob ? FPAR_LP_MS : 0) | column);
buf_num = (page_addr & 1) << 2;
} else {
/*
* small page size chip : FPAR[PI] save the lowest 5 bits,
* FBAR[BLK] save the other bits.
*/
out_be32(&lbc->fbar, page_addr >> 5);
out_be32(&lbc->fpar,
((page_addr << FPAR_SP_PI_SHIFT) & FPAR_SP_PI) |
(oob ? FPAR_SP_MS : 0) | column);
@ -349,20 +356,22 @@ static void fsl_elbc_cmdfunc(struct mtd_info *mtd, unsigned int command,
fsl_elbc_run_command(mtd);
return;
/* READID must read all 5 possible bytes while CEB is active */
case NAND_CMD_READID:
dev_vdbg(priv->dev, "fsl_elbc_cmdfunc: NAND_CMD_READID.\n");
case NAND_CMD_PARAM:
dev_vdbg(priv->dev, "fsl_elbc_cmdfunc: NAND_CMD %x\n", command);
out_be32(&lbc->fir, (FIR_OP_CM0 << FIR_OP0_SHIFT) |
(FIR_OP_UA << FIR_OP1_SHIFT) |
(FIR_OP_RBW << FIR_OP2_SHIFT));
out_be32(&lbc->fcr, NAND_CMD_READID << FCR_CMD0_SHIFT);
/* nand_get_flash_type() reads 8 bytes of entire ID string */
out_be32(&lbc->fbcr, 8);
elbc_fcm_ctrl->read_bytes = 8;
out_be32(&lbc->fcr, command << FCR_CMD0_SHIFT);
/*
* although currently it's 8 bytes for READID, we always read
* the maximum 256 bytes(for PARAM)
*/
out_be32(&lbc->fbcr, 256);
elbc_fcm_ctrl->read_bytes = 256;
elbc_fcm_ctrl->use_mdr = 1;
elbc_fcm_ctrl->mdr = 0;
elbc_fcm_ctrl->mdr = column;
set_addr(mtd, 0, 0, 0);
fsl_elbc_run_command(mtd);
return;
@ -407,9 +416,17 @@ static void fsl_elbc_cmdfunc(struct mtd_info *mtd, unsigned int command,
page_addr, column);
elbc_fcm_ctrl->column = column;
elbc_fcm_ctrl->oob = 0;
elbc_fcm_ctrl->use_mdr = 1;
if (column >= mtd->writesize) {
/* OOB area */
column -= mtd->writesize;
elbc_fcm_ctrl->oob = 1;
} else {
WARN_ON(column != 0);
elbc_fcm_ctrl->oob = 0;
}
fcr = (NAND_CMD_STATUS << FCR_CMD1_SHIFT) |
(NAND_CMD_SEQIN << FCR_CMD2_SHIFT) |
(NAND_CMD_PAGEPROG << FCR_CMD3_SHIFT);
@ -434,16 +451,12 @@ static void fsl_elbc_cmdfunc(struct mtd_info *mtd, unsigned int command,
(FIR_OP_CW1 << FIR_OP6_SHIFT) |
(FIR_OP_RS << FIR_OP7_SHIFT));
if (column >= mtd->writesize) {
if (elbc_fcm_ctrl->oob)
/* OOB area --> READOOB */
column -= mtd->writesize;
fcr |= NAND_CMD_READOOB << FCR_CMD0_SHIFT;
elbc_fcm_ctrl->oob = 1;
} else {
WARN_ON(column != 0);
else
/* First 256 bytes --> READ0 */
fcr |= NAND_CMD_READ0 << FCR_CMD0_SHIFT;
}
}
out_be32(&lbc->fcr, fcr);
@ -463,7 +476,8 @@ static void fsl_elbc_cmdfunc(struct mtd_info *mtd, unsigned int command,
*/
if (elbc_fcm_ctrl->oob || elbc_fcm_ctrl->column != 0 ||
elbc_fcm_ctrl->index != mtd->writesize + mtd->oobsize)
out_be32(&lbc->fbcr, elbc_fcm_ctrl->index);
out_be32(&lbc->fbcr,
elbc_fcm_ctrl->index - elbc_fcm_ctrl->column);
else
out_be32(&lbc->fbcr, 0);
@ -659,9 +673,7 @@ static int fsl_elbc_chip_init_tail(struct mtd_info *mtd)
if (chip->pagemask & 0xff000000)
al++;
/* add to ECCM mode set in fsl_elbc_init */
priv->fmr |= (12 << FMR_CWTO_SHIFT) | /* Timeout > 12 ms */
(al << FMR_AL_SHIFT);
priv->fmr |= al << FMR_AL_SHIFT;
dev_dbg(priv->dev, "fsl_elbc_init: nand->numchips = %d\n",
chip->numchips);
@ -764,8 +776,10 @@ static int fsl_elbc_chip_init(struct fsl_elbc_mtd *priv)
priv->mtd.priv = chip;
priv->mtd.owner = THIS_MODULE;
/* Set the ECCM according to the settings in bootloader.*/
priv->fmr = in_be32(&lbc->fmr) & FMR_ECCM;
/* set timeout to maximum */
priv->fmr = 15 << FMR_CWTO_SHIFT;
if (in_be32(&lbc->bank[priv->bank].or) & OR_FCM_PGS)
priv->fmr |= FMR_ECCM;
/* fill in nand_chip structure */
/* set up function call table */
@ -971,18 +985,7 @@ static struct platform_driver fsl_elbc_nand_driver = {
.remove = fsl_elbc_nand_remove,
};
static int __init fsl_elbc_nand_init(void)
{
return platform_driver_register(&fsl_elbc_nand_driver);
}
static void __exit fsl_elbc_nand_exit(void)
{
platform_driver_unregister(&fsl_elbc_nand_driver);
}
module_init(fsl_elbc_nand_init);
module_exit(fsl_elbc_nand_exit);
module_platform_driver(fsl_elbc_nand_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Freescale");

12
drivers/mtd/nand/fsl_upm.c
View file

@ -353,17 +353,7 @@ static struct platform_driver of_fun_driver = {
.remove = __devexit_p(fun_remove),
};
static int __init fun_module_init(void)
{
return platform_driver_register(&of_fun_driver);
}
module_init(fun_module_init);
static void __exit fun_module_exit(void)
{
platform_driver_unregister(&of_fun_driver);
}
module_exit(fun_module_exit);
module_platform_driver(of_fun_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Anton Vorontsov <[email protected]>");

115
drivers/mtd/nand/gpio.c
View file

@ -27,6 +27,9 @@
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/nand-gpio.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_gpio.h>
struct gpiomtd {
void __iomem *io_sync;
@ -171,6 +174,96 @@ static int gpio_nand_devready(struct mtd_info *mtd)
return gpio_get_value(gpiomtd->plat.gpio_rdy);
}
#ifdef CONFIG_OF
static const struct of_device_id gpio_nand_id_table[] = {
{ .compatible = "gpio-control-nand" },
{}
};
MODULE_DEVICE_TABLE(of, gpio_nand_id_table);
static int gpio_nand_get_config_of(const struct device *dev,
struct gpio_nand_platdata *plat)
{
u32 val;
if (!of_property_read_u32(dev->of_node, "bank-width", &val)) {
if (val == 2) {
plat->options |= NAND_BUSWIDTH_16;
} else if (val != 1) {
dev_err(dev, "invalid bank-width %u\n", val);
return -EINVAL;
}
}
plat->gpio_rdy = of_get_gpio(dev->of_node, 0);
plat->gpio_nce = of_get_gpio(dev->of_node, 1);
plat->gpio_ale = of_get_gpio(dev->of_node, 2);
plat->gpio_cle = of_get_gpio(dev->of_node, 3);
plat->gpio_nwp = of_get_gpio(dev->of_node, 4);
if (!of_property_read_u32(dev->of_node, "chip-delay", &val))
plat->chip_delay = val;
return 0;
}
static struct resource *gpio_nand_get_io_sync_of(struct platform_device *pdev)
{
struct resource *r = devm_kzalloc(&pdev->dev, sizeof(*r), GFP_KERNEL);
u64 addr;
if (!r || of_property_read_u64(pdev->dev.of_node,
"gpio-control-nand,io-sync-reg", &addr))
return NULL;
r->start = addr;
r->end = r->start + 0x3;
r->flags = IORESOURCE_MEM;
return r;
}
#else /* CONFIG_OF */
#define gpio_nand_id_table NULL
static inline int gpio_nand_get_config_of(const struct device *dev,
struct gpio_nand_platdata *plat)
{
return -ENOSYS;
}
static inline struct resource *
gpio_nand_get_io_sync_of(struct platform_device *pdev)
{
return NULL;
}
#endif /* CONFIG_OF */
static inline int gpio_nand_get_config(const struct device *dev,
struct gpio_nand_platdata *plat)
{
int ret = gpio_nand_get_config_of(dev, plat);
if (!ret)
return ret;
if (dev->platform_data) {
memcpy(plat, dev->platform_data, sizeof(*plat));
return 0;
}
return -EINVAL;
}
static inline struct resource *
gpio_nand_get_io_sync(struct platform_device *pdev)
{
struct resource *r = gpio_nand_get_io_sync_of(pdev);
if (r)
return r;
return platform_get_resource(pdev, IORESOURCE_MEM, 1);
}
static int __devexit gpio_nand_remove(struct platform_device *dev)
{
struct gpiomtd *gpiomtd = platform_get_drvdata(dev);
@ -178,7 +271,7 @@ static int __devexit gpio_nand_remove(struct platform_device *dev)
nand_release(&gpiomtd->mtd_info);
res = platform_get_resource(dev, IORESOURCE_MEM, 1);
res = gpio_nand_get_io_sync(dev);
iounmap(gpiomtd->io_sync);
if (res)
release_mem_region(res->start, resource_size(res));
@ -226,9 +319,10 @@ static int __devinit gpio_nand_probe(struct platform_device *dev)
struct gpiomtd *gpiomtd;
struct nand_chip *this;
struct resource *res0, *res1;
int ret;
struct mtd_part_parser_data ppdata = {};
int ret = 0;
if (!dev->dev.platform_data)
if (!dev->dev.of_node && !dev->dev.platform_data)
return -EINVAL;
res0 = platform_get_resource(dev, IORESOURCE_MEM, 0);
@ -248,7 +342,7 @@ static int __devinit gpio_nand_probe(struct platform_device *dev)
goto err_map;
}
res1 = platform_get_resource(dev, IORESOURCE_MEM, 1);
res1 = gpio_nand_get_io_sync(dev);
if (res1) {
gpiomtd->io_sync = request_and_remap(res1, 4, "NAND sync", &ret);
if (!gpiomtd->io_sync) {
@ -257,7 +351,9 @@ static int __devinit gpio_nand_probe(struct platform_device *dev)
}
}
memcpy(&gpiomtd->plat, dev->dev.platform_data, sizeof(gpiomtd->plat));
ret = gpio_nand_get_config(&dev->dev, &gpiomtd->plat);
if (ret)
goto err_nce;
ret = gpio_request(gpiomtd->plat.gpio_nce, "NAND NCE");
if (ret)
@ -316,8 +412,12 @@ static int __devinit gpio_nand_probe(struct platform_device *dev)
gpiomtd->plat.adjust_parts(&gpiomtd->plat,
gpiomtd->mtd_info.size);
mtd_device_register(&gpiomtd->mtd_info, gpiomtd->plat.parts,
gpiomtd->plat.num_parts);
ppdata.of_node = dev->dev.of_node;
ret = mtd_device_parse_register(&gpiomtd->mtd_info, NULL, &ppdata,
gpiomtd->plat.parts,
gpiomtd->plat.num_parts);
if (ret)
goto err_wp;
platform_set_drvdata(dev, gpiomtd);
return 0;
@ -352,6 +452,7 @@ static struct platform_driver gpio_nand_driver = {
.remove = gpio_nand_remove,
.driver = {
.name = "gpio-nand",
.of_match_table = gpio_nand_id_table,
},
};

12
drivers/mtd/nand/jz4740_nand.c
View file

@ -423,17 +423,7 @@ static struct platform_driver jz_nand_driver = {
},
};
static int __init jz_nand_init(void)
{
return platform_driver_register(&jz_nand_driver);
}
module_init(jz_nand_init);
static void __exit jz_nand_exit(void)
{
platform_driver_unregister(&jz_nand_driver);
}
module_exit(jz_nand_exit);
module_platform_driver(jz_nand_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Lars-Peter Clausen <[email protected]>");

14
drivers/mtd/nand/mpc5121_nfc.c
View file

@ -879,19 +879,7 @@ static struct platform_driver mpc5121_nfc_driver = {
},
};
static int __init mpc5121_nfc_init(void)
{
return platform_driver_register(&mpc5121_nfc_driver);
}
module_init(mpc5121_nfc_init);
static void __exit mpc5121_nfc_cleanup(void)
{
platform_driver_unregister(&mpc5121_nfc_driver);
}
module_exit(mpc5121_nfc_cleanup);
module_platform_driver(mpc5121_nfc_driver);
MODULE_AUTHOR("Freescale Semiconductor, Inc.");
MODULE_DESCRIPTION("MPC5121 NAND MTD driver");

7
drivers/mtd/nand/nand_base.c
View file

@ -3132,8 +3132,8 @@ ident_done:
* Bad block marker is stored in the last page of each block
* on Samsung and Hynix MLC devices; stored in first two pages
* of each block on Micron devices with 2KiB pages and on
* SLC Samsung, Hynix, Toshiba and AMD/Spansion. All others scan
* only the first page.
* SLC Samsung, Hynix, Toshiba, AMD/Spansion, and Macronix.
* All others scan only the first page.
*/
if ((chip->cellinfo & NAND_CI_CELLTYPE_MSK) &&
(*maf_id == NAND_MFR_SAMSUNG ||
@ -3143,7 +3143,8 @@ ident_done:
(*maf_id == NAND_MFR_SAMSUNG ||
*maf_id == NAND_MFR_HYNIX ||
*maf_id == NAND_MFR_TOSHIBA ||
*maf_id == NAND_MFR_AMD)) ||
*maf_id == NAND_MFR_AMD ||
*maf_id == NAND_MFR_MACRONIX)) ||
(mtd->writesize == 2048 &&
*maf_id == NAND_MFR_MICRON))
chip->bbt_options |= NAND_BBT_SCAN2NDPAGE;

14
drivers/mtd/nand/nand_bbt.c
View file

@ -201,7 +201,7 @@ static int read_bbt(struct mtd_info *mtd, uint8_t *buf, int page, int num,
from += marker_len;
marker_len = 0;
}
res = mtd->read(mtd, from, len, &retlen, buf);
res = mtd_read(mtd, from, len, &retlen, buf);
if (res < 0) {
if (mtd_is_eccerr(res)) {
pr_info("nand_bbt: ECC error in BBT at "
@ -298,7 +298,7 @@ static int scan_read_raw_data(struct mtd_info *mtd, uint8_t *buf, loff_t offs,
if (td->options & NAND_BBT_VERSION)
len++;
return mtd->read(mtd, offs, len, &retlen, buf);
return mtd_read(mtd, offs, len, &retlen, buf);
}
/* Scan read raw data from flash */
@ -317,7 +317,7 @@ static int scan_read_raw_oob(struct mtd_info *mtd, uint8_t *buf, loff_t offs,
ops.len = min(len, (size_t)mtd->writesize);
ops.oobbuf = buf + ops.len;
res = mtd->read_oob(mtd, offs, &ops);
res = mtd_read_oob(mtd, offs, &ops);
if (res)
return res;
@ -350,7 +350,7 @@ static int scan_write_bbt(struct mtd_info *mtd, loff_t offs, size_t len,
ops.oobbuf = oob;
ops.len = len;
return mtd->write_oob(mtd, offs, &ops);
return mtd_write_oob(mtd, offs, &ops);
}
static u32 bbt_get_ver_offs(struct mtd_info *mtd, struct nand_bbt_descr *td)
@ -434,7 +434,7 @@ static int scan_block_fast(struct mtd_info *mtd, struct nand_bbt_descr *bd,
* Read the full oob until read_oob is fixed to handle single
* byte reads for 16 bit buswidth.
*/
ret = mtd->read_oob(mtd, offs, &ops);
ret = mtd_read_oob(mtd, offs, &ops);
/* Ignore ECC errors when checking for BBM */
if (ret && !mtd_is_bitflip_or_eccerr(ret))
return ret;
@ -756,7 +756,7 @@ static int write_bbt(struct mtd_info *mtd, uint8_t *buf,
/* Make it block aligned */
to &= ~((loff_t)((1 << this->bbt_erase_shift) - 1));
len = 1 << this->bbt_erase_shift;
res = mtd->read(mtd, to, len, &retlen, buf);
res = mtd_read(mtd, to, len, &retlen, buf);
if (res < 0) {
if (retlen != len) {
pr_info("nand_bbt: error reading block "
@ -769,7 +769,7 @@ static int write_bbt(struct mtd_info *mtd, uint8_t *buf,
/* Read oob data */
ops.ooblen = (len >> this->page_shift) * mtd->oobsize;
ops.oobbuf = &buf[len];
res = mtd->read_oob(mtd, to + mtd->writesize, &ops);
res = mtd_read_oob(mtd, to + mtd->writesize, &ops);
if (res < 0 || ops.oobretlen != ops.ooblen)
goto outerr;

4
drivers/mtd/nand/nand_ids.c
View file

@ -73,11 +73,12 @@ struct nand_flash_dev nand_flash_ids[] = {
#define LP_OPTIONS (NAND_SAMSUNG_LP_OPTIONS | NAND_NO_READRDY | NAND_NO_AUTOINCR)
#define LP_OPTIONS16 (LP_OPTIONS | NAND_BUSWIDTH_16)
/*512 Megabit */
/* 512 Megabit */
{"NAND 64MiB 1,8V 8-bit", 0xA2, 0, 64, 0, LP_OPTIONS},
{"NAND 64MiB 1,8V 8-bit", 0xA0, 0, 64, 0, LP_OPTIONS},
{"NAND 64MiB 3,3V 8-bit", 0xF2, 0, 64, 0, LP_OPTIONS},
{"NAND 64MiB 3,3V 8-bit", 0xD0, 0, 64, 0, LP_OPTIONS},
{"NAND 64MiB 3,3V 8-bit", 0xF0, 0, 64, 0, LP_OPTIONS},
{"NAND 64MiB 1,8V 16-bit", 0xB2, 0, 64, 0, LP_OPTIONS16},
{"NAND 64MiB 1,8V 16-bit", 0xB0, 0, 64, 0, LP_OPTIONS16},
{"NAND 64MiB 3,3V 16-bit", 0xC2, 0, 64, 0, LP_OPTIONS16},
@ -176,6 +177,7 @@ struct nand_manufacturers nand_manuf_ids[] = {
{NAND_MFR_HYNIX, "Hynix"},
{NAND_MFR_MICRON, "Micron"},
{NAND_MFR_AMD, "AMD"},
{NAND_MFR_MACRONIX, "Macronix"},
{0x0, "Unknown"}
};

2
drivers/mtd/nand/nandsim.c
View file

@ -737,7 +737,7 @@ static int parse_badblocks(struct nandsim *ns, struct mtd_info *mtd)
return -EINVAL;
}
offset = erase_block_no * ns->geom.secsz;
if (mtd->block_markbad(mtd, offset)) {
if (mtd_block_markbad(mtd, offset)) {
NS_ERR("invalid badblocks.\n");
return -EINVAL;
}

13
drivers/mtd/nand/ndfc.c
View file

@ -294,18 +294,7 @@ static struct platform_driver ndfc_driver = {
.remove = __devexit_p(ndfc_remove),
};
static int __init ndfc_nand_init(void)
{
return platform_driver_register(&ndfc_driver);
}
static void __exit ndfc_nand_exit(void)
{
platform_driver_unregister(&ndfc_driver);
}
module_init(ndfc_nand_init);
module_exit(ndfc_nand_exit);
module_platform_driver(ndfc_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Thomas Gleixner <[email protected]>");

18
drivers/mtd/nand/nomadik_nand.c
View file

@ -201,7 +201,7 @@ static int nomadik_nand_suspend(struct device *dev)
struct nomadik_nand_host *host = dev_get_drvdata(dev);
int ret = 0;
if (host)
ret = host->mtd.suspend(&host->mtd);
ret = mtd_suspend(&host->mtd);
return ret;
}
@ -209,7 +209,7 @@ static int nomadik_nand_resume(struct device *dev)
{
struct nomadik_nand_host *host = dev_get_drvdata(dev);
if (host)
host->mtd.resume(&host->mtd);
mtd_resume(&host->mtd);
return 0;
}
@ -228,19 +228,7 @@ static struct platform_driver nomadik_nand_driver = {
},
};
static int __init nand_nomadik_init(void)
{
pr_info("Nomadik NAND driver\n");
return platform_driver_register(&nomadik_nand_driver);
}
static void __exit nand_nomadik_exit(void)
{
platform_driver_unregister(&nomadik_nand_driver);
}
module_init(nand_nomadik_init);
module_exit(nand_nomadik_exit);
module_platform_driver(nomadik_nand_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("ST Microelectronics ([email protected])");

13
drivers/mtd/nand/nuc900_nand.c
View file

@ -364,18 +364,7 @@ static struct platform_driver nuc900_nand_driver = {
},
};
static int __init nuc900_nand_init(void)
{
return platform_driver_register(&nuc900_nand_driver);
}
static void __exit nuc900_nand_exit(void)
{
platform_driver_unregister(&nuc900_nand_driver);
}
module_init(nuc900_nand_init);
module_exit(nuc900_nand_exit);
module_platform_driver(nuc900_nand_driver);
MODULE_AUTHOR("Wan ZongShun <[email protected]>");
MODULE_DESCRIPTION("w90p910/NUC9xx nand driver!");

15
drivers/mtd/nand/omap2.c
View file

@ -1145,20 +1145,7 @@ static struct platform_driver omap_nand_driver = {
},
};
static int __init omap_nand_init(void)
{
pr_info("%s driver initializing\n", DRIVER_NAME);
return platform_driver_register(&omap_nand_driver);
}
static void __exit omap_nand_exit(void)
{
platform_driver_unregister(&omap_nand_driver);
}
module_init(omap_nand_init);
module_exit(omap_nand_exit);
module_platform_driver(omap_nand_driver);
MODULE_ALIAS("platform:" DRIVER_NAME);
MODULE_LICENSE("GPL");

12
drivers/mtd/nand/pasemi_nand.c
View file

@ -230,17 +230,7 @@ static struct platform_driver pasemi_nand_driver =
.remove = pasemi_nand_remove,
};
static int __init pasemi_nand_init(void)
{
return platform_driver_register(&pasemi_nand_driver);
}
module_init(pasemi_nand_init);
static void __exit pasemi_nand_exit(void)
{
platform_driver_unregister(&pasemi_nand_driver);
}
module_exit(pasemi_nand_exit);
module_platform_driver(pasemi_nand_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Egor Martovetsky <[email protected]>");

13
drivers/mtd/nand/plat_nand.c
View file

@ -148,18 +148,7 @@ static struct platform_driver plat_nand_driver = {
},
};
static int __init plat_nand_init(void)
{
return platform_driver_register(&plat_nand_driver);
}
static void __exit plat_nand_exit(void)
{
platform_driver_unregister(&plat_nand_driver);
}
module_init(plat_nand_init);
module_exit(plat_nand_exit);
module_platform_driver(plat_nand_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Vitaly Wool");

16
drivers/mtd/nand/pxa3xx_nand.c
View file

@ -1258,7 +1258,7 @@ static int pxa3xx_nand_suspend(struct platform_device *pdev, pm_message_t state)
for (cs = 0; cs < pdata->num_cs; cs++) {
mtd = info->host[cs]->mtd;
mtd->suspend(mtd);
mtd_suspend(mtd);
}
return 0;
@ -1291,7 +1291,7 @@ static int pxa3xx_nand_resume(struct platform_device *pdev)
nand_writel(info, NDSR, NDSR_MASK);
for (cs = 0; cs < pdata->num_cs; cs++) {
mtd = info->host[cs]->mtd;
mtd->resume(mtd);
mtd_resume(mtd);
}
return 0;
@ -1311,17 +1311,7 @@ static struct platform_driver pxa3xx_nand_driver = {
.resume = pxa3xx_nand_resume,
};
static int __init pxa3xx_nand_init(void)
{
return platform_driver_register(&pxa3xx_nand_driver);
}
module_init(pxa3xx_nand_init);
static void __exit pxa3xx_nand_exit(void)
{
platform_driver_unregister(&pxa3xx_nand_driver);
}
module_exit(pxa3xx_nand_exit);
module_platform_driver(pxa3xx_nand_driver);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("PXA3xx NAND controller driver");

12
drivers/mtd/nand/sharpsl.c
View file

@ -230,17 +230,7 @@ static struct platform_driver sharpsl_nand_driver = {
.remove = __devexit_p(sharpsl_nand_remove),
};
static int __init sharpsl_nand_init(void)
{
return platform_driver_register(&sharpsl_nand_driver);
}
module_init(sharpsl_nand_init);
static void __exit sharpsl_nand_exit(void)
{
platform_driver_unregister(&sharpsl_nand_driver);
}
module_exit(sharpsl_nand_exit);
module_platform_driver(sharpsl_nand_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Richard Purdie <[email protected]>");

2
drivers/mtd/nand/sm_common.c
View file

@ -55,7 +55,7 @@ static int sm_block_markbad(struct mtd_info *mtd, loff_t ofs)
ops.datbuf = NULL;
ret = mtd->write_oob(mtd, ofs, &ops);
ret = mtd_write_oob(mtd, ofs, &ops);
if (ret < 0 || ops.oobretlen != SM_OOB_SIZE) {
printk(KERN_NOTICE
"sm_common: can't mark sector at %i as bad\n",

13
drivers/mtd/nand/socrates_nand.c
View file

@ -273,18 +273,7 @@ static struct platform_driver socrates_nand_driver = {
.remove = __devexit_p(socrates_nand_remove),
};
static int __init socrates_nand_init(void)
{
return platform_driver_register(&socrates_nand_driver);
}
static void __exit socrates_nand_exit(void)
{
platform_driver_unregister(&socrates_nand_driver);
}
module_init(socrates_nand_init);
module_exit(socrates_nand_exit);
module_platform_driver(socrates_nand_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Ilya Yanok");

13
drivers/mtd/nand/tmio_nand.c
View file

@ -533,18 +533,7 @@ static struct platform_driver tmio_driver = {
.resume = tmio_resume,
};
static int __init tmio_init(void)
{
return platform_driver_register(&tmio_driver);
}
static void __exit tmio_exit(void)
{
platform_driver_unregister(&tmio_driver);
}
module_init(tmio_init);
module_exit(tmio_exit);
module_platform_driver(tmio_driver);
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Ian Molton, Dirk Opfer, Chris Humbert, Dmitry Baryshkov");

6
drivers/mtd/nand/txx9ndfmc.c
View file

@ -298,11 +298,7 @@ static int __init txx9ndfmc_probe(struct platform_device *dev)
drvdata = devm_kzalloc(&dev->dev, sizeof(*drvdata), GFP_KERNEL);
if (!drvdata)
return -ENOMEM;
if (!devm_request_mem_region(&dev->dev, res->start,
resource_size(res), dev_name(&dev->dev)))
return -EBUSY;
drvdata->base = devm_ioremap(&dev->dev, res->start,
resource_size(res));
drvdata->base = devm_request_and_ioremap(&dev->dev, res);
if (!drvdata->base)
return -EBUSY;

25
drivers/mtd/nftlcore.c
View file

@ -56,7 +56,7 @@ static void nftl_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
if (memcmp(mtd->name, "DiskOnChip", 10))
return;
if (!mtd->block_isbad) {
if (!mtd_can_have_bb(mtd)) {
printk(KERN_ERR
"NFTL no longer supports the old DiskOnChip drivers loaded via docprobe.\n"
"Please use the new diskonchip driver under the NAND subsystem.\n");
@ -153,7 +153,7 @@ int nftl_read_oob(struct mtd_info *mtd, loff_t offs, size_t len,
ops.oobbuf = buf;
ops.datbuf = NULL;
res = mtd->read_oob(mtd, offs & ~mask, &ops);
res = mtd_read_oob(mtd, offs & ~mask, &ops);
*retlen = ops.oobretlen;
return res;
}
@ -174,7 +174,7 @@ int nftl_write_oob(struct mtd_info *mtd, loff_t offs, size_t len,
ops.oobbuf = buf;
ops.datbuf = NULL;
res = mtd->write_oob(mtd, offs & ~mask, &ops);
res = mtd_write_oob(mtd, offs & ~mask, &ops);
*retlen = ops.oobretlen;
return res;
}
@ -198,7 +198,7 @@ static int nftl_write(struct mtd_info *mtd, loff_t offs, size_t len,
ops.datbuf = buf;
ops.len = len;
res = mtd->write_oob(mtd, offs & ~mask, &ops);
res = mtd_write_oob(mtd, offs & ~mask, &ops);
*retlen = ops.retlen;
return res;
}
@ -423,12 +423,17 @@ static u16 NFTL_foldchain (struct NFTLrecord *nftl, unsigned thisVUC, unsigned p
if (BlockMap[block] == BLOCK_NIL)
continue;
ret = mtd->read(mtd, (nftl->EraseSize * BlockMap[block]) + (block * 512),
512, &retlen, movebuf);
ret = mtd_read(mtd,
(nftl->EraseSize * BlockMap[block]) + (block * 512),
512,
&retlen,
movebuf);
if (ret < 0 && !mtd_is_bitflip(ret)) {
ret = mtd->read(mtd, (nftl->EraseSize * BlockMap[block])
+ (block * 512), 512, &retlen,
movebuf);
ret = mtd_read(mtd,
(nftl->EraseSize * BlockMap[block]) + (block * 512),
512,
&retlen,
movebuf);
if (ret != -EIO)
printk("Error went away on retry.\n");
}
@ -771,7 +776,7 @@ static int nftl_readblock(struct mtd_blktrans_dev *mbd, unsigned long block,
} else {
loff_t ptr = (lastgoodEUN * nftl->EraseSize) + blockofs;
size_t retlen;
int res = mtd->read(mtd, ptr, 512, &retlen, buffer);
int res = mtd_read(mtd, ptr, 512, &retlen, buffer);
if (res < 0 && !mtd_is_bitflip(res))
return -EIO;

13
drivers/mtd/nftlmount.c
View file

@ -63,8 +63,8 @@ static int find_boot_record(struct NFTLrecord *nftl)
/* Check for ANAND header first. Then can whinge if it's found but later
checks fail */
ret = mtd->read(mtd, block * nftl->EraseSize, SECTORSIZE,
&retlen, buf);
ret = mtd_read(mtd, block * nftl->EraseSize, SECTORSIZE,
&retlen, buf);
/* We ignore ret in case the ECC of the MediaHeader is invalid
(which is apparently acceptable) */
if (retlen != SECTORSIZE) {
@ -242,7 +242,8 @@ The new DiskOnChip driver already scanned the bad block table. Just query it.
if (buf[i & (SECTORSIZE - 1)] != 0xff)
nftl->ReplUnitTable[i] = BLOCK_RESERVED;
#endif
if (nftl->mbd.mtd->block_isbad(nftl->mbd.mtd, i * nftl->EraseSize))
if (mtd_block_isbad(nftl->mbd.mtd,
i * nftl->EraseSize))
nftl->ReplUnitTable[i] = BLOCK_RESERVED;
}
@ -274,7 +275,7 @@ static int check_free_sectors(struct NFTLrecord *nftl, unsigned int address, int
int i;
for (i = 0; i < len; i += SECTORSIZE) {
if (mtd->read(mtd, address, SECTORSIZE, &retlen, buf))
if (mtd_read(mtd, address, SECTORSIZE, &retlen, buf))
return -1;
if (memcmpb(buf, 0xff, SECTORSIZE) != 0)
return -1;
@ -326,7 +327,7 @@ int NFTL_formatblock(struct NFTLrecord *nftl, int block)
instr->mtd = nftl->mbd.mtd;
instr->addr = block * nftl->EraseSize;
instr->len = nftl->EraseSize;
mtd->erase(mtd, instr);
mtd_erase(mtd, instr);
if (instr->state == MTD_ERASE_FAILED) {
printk("Error while formatting block %d\n", block);
@ -355,7 +356,7 @@ int NFTL_formatblock(struct NFTLrecord *nftl, int block)
fail:
/* could not format, update the bad block table (caller is responsible
for setting the ReplUnitTable to BLOCK_RESERVED on failure) */
nftl->mbd.mtd->block_markbad(nftl->mbd.mtd, instr->addr);
mtd_block_markbad(nftl->mbd.mtd, instr->addr);
return -1;
}

16
drivers/mtd/onenand/generic.c
View file

@ -115,21 +115,9 @@ static struct platform_driver generic_onenand_driver = {
.remove = __devexit_p(generic_onenand_remove),
};
MODULE_ALIAS("platform:" DRIVER_NAME);
static int __init generic_onenand_init(void)
{
return platform_driver_register(&generic_onenand_driver);
}
static void __exit generic_onenand_exit(void)
{
platform_driver_unregister(&generic_onenand_driver);
}
module_init(generic_onenand_init);
module_exit(generic_onenand_exit);
module_platform_driver(generic_onenand_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Kyungmin Park <[email protected]>");
MODULE_DESCRIPTION("Glue layer for OneNAND flash on generic boards");
MODULE_ALIAS("platform:" DRIVER_NAME);

3
drivers/mtd/onenand/onenand_base.c
View file

@ -2633,7 +2633,6 @@ static int onenand_default_block_markbad(struct mtd_info *mtd, loff_t ofs)
*/
static int onenand_block_markbad(struct mtd_info *mtd, loff_t ofs)
{
struct onenand_chip *this = mtd->priv;
int ret;
ret = onenand_block_isbad(mtd, ofs);
@ -2645,7 +2644,7 @@ static int onenand_block_markbad(struct mtd_info *mtd, loff_t ofs)
}
onenand_get_device(mtd, FL_WRITING);
ret = this->block_markbad(mtd, ofs);
ret = mtd_block_markbad(mtd, ofs);
onenand_release_device(mtd);
return ret;
}

13
drivers/mtd/onenand/samsung.c
View file

@ -1133,18 +1133,7 @@ static struct platform_driver s3c_onenand_driver = {
.remove = __devexit_p(s3c_onenand_remove),
};
static int __init s3c_onenand_init(void)
{
return platform_driver_register(&s3c_onenand_driver);
}
static void __exit s3c_onenand_exit(void)
{
platform_driver_unregister(&s3c_onenand_driver);
}
module_init(s3c_onenand_init);
module_exit(s3c_onenand_exit);
module_platform_driver(s3c_onenand_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Kyungmin Park <[email protected]>");

12
drivers/mtd/redboot.c
View file

@ -78,8 +78,8 @@ static int parse_redboot_partitions(struct mtd_info *master,
if ( directory < 0 ) {
offset = master->size + directory * master->erasesize;
while (master->block_isbad &&
master->block_isbad(master, offset)) {
while (mtd_can_have_bb(master) &&
mtd_block_isbad(master, offset)) {
if (!offset) {
nogood:
printk(KERN_NOTICE "Failed to find a non-bad block to check for RedBoot partition table\n");
@ -89,8 +89,8 @@ static int parse_redboot_partitions(struct mtd_info *master,
}
} else {
offset = directory * master->erasesize;
while (master->block_isbad &&
master->block_isbad(master, offset)) {
while (mtd_can_have_bb(master) &&
mtd_block_isbad(master, offset)) {
offset += master->erasesize;
if (offset == master->size)
goto nogood;
@ -104,8 +104,8 @@ static int parse_redboot_partitions(struct mtd_info *master,
printk(KERN_NOTICE "Searching for RedBoot partition table in %s at offset 0x%lx\n",
master->name, offset);
ret = master->read(master, offset,
master->erasesize, &retlen, (void *)buf);
ret = mtd_read(master, offset, master->erasesize, &retlen,
(void *)buf);
if (ret)
goto out;

46
drivers/mtd/rfd_ftl.c
View file

@ -200,9 +200,9 @@ static int scan_header(struct partition *part)
part->sector_map[i] = -1;
for (i=0, blocks_found=0; i<part->total_blocks; i++) {
rc = part->mbd.mtd->read(part->mbd.mtd,
i * part->block_size, part->header_size,
&retlen, (u_char*)part->header_cache);
rc = mtd_read(part->mbd.mtd, i * part->block_size,
part->header_size, &retlen,
(u_char *)part->header_cache);
if (!rc && retlen != part->header_size)
rc = -EIO;
@ -250,8 +250,8 @@ static int rfd_ftl_readsect(struct mtd_blktrans_dev *dev, u_long sector, char *b
addr = part->sector_map[sector];
if (addr != -1) {
rc = part->mbd.mtd->read(part->mbd.mtd, addr, SECTOR_SIZE,
&retlen, (u_char*)buf);
rc = mtd_read(part->mbd.mtd, addr, SECTOR_SIZE, &retlen,
(u_char *)buf);
if (!rc && retlen != SECTOR_SIZE)
rc = -EIO;
@ -304,9 +304,8 @@ static void erase_callback(struct erase_info *erase)
part->blocks[i].used_sectors = 0;
part->blocks[i].erases++;
rc = part->mbd.mtd->write(part->mbd.mtd,
part->blocks[i].offset, sizeof(magic), &retlen,
(u_char*)&magic);
rc = mtd_write(part->mbd.mtd, part->blocks[i].offset, sizeof(magic),
&retlen, (u_char *)&magic);
if (!rc && retlen != sizeof(magic))
rc = -EIO;
@ -342,7 +341,7 @@ static int erase_block(struct partition *part, int block)
part->blocks[block].state = BLOCK_ERASING;
part->blocks[block].free_sectors = 0;
rc = part->mbd.mtd->erase(part->mbd.mtd, erase);
rc = mtd_erase(part->mbd.mtd, erase);
if (rc) {
printk(KERN_ERR PREFIX "erase of region %llx,%llx on '%s' "
@ -372,9 +371,8 @@ static int move_block_contents(struct partition *part, int block_no, u_long *old
if (!map)
goto err2;
rc = part->mbd.mtd->read(part->mbd.mtd,
part->blocks[block_no].offset, part->header_size,
&retlen, (u_char*)map);
rc = mtd_read(part->mbd.mtd, part->blocks[block_no].offset,
part->header_size, &retlen, (u_char *)map);
if (!rc && retlen != part->header_size)
rc = -EIO;
@ -413,8 +411,8 @@ static int move_block_contents(struct partition *part, int block_no, u_long *old
}
continue;
}
rc = part->mbd.mtd->read(part->mbd.mtd, addr,
SECTOR_SIZE, &retlen, sector_data);
rc = mtd_read(part->mbd.mtd, addr, SECTOR_SIZE, &retlen,
sector_data);
if (!rc && retlen != SECTOR_SIZE)
rc = -EIO;
@ -450,8 +448,7 @@ static int reclaim_block(struct partition *part, u_long *old_sector)
int rc;
/* we have a race if sync doesn't exist */
if (part->mbd.mtd->sync)
part->mbd.mtd->sync(part->mbd.mtd);
mtd_sync(part->mbd.mtd);
score = 0x7fffffff; /* MAX_INT */
best_block = -1;
@ -563,8 +560,9 @@ static int find_writable_block(struct partition *part, u_long *old_sector)
}
}
rc = part->mbd.mtd->read(part->mbd.mtd, part->blocks[block].offset,
part->header_size, &retlen, (u_char*)part->header_cache);
rc = mtd_read(part->mbd.mtd, part->blocks[block].offset,
part->header_size, &retlen,
(u_char *)part->header_cache);
if (!rc && retlen != part->header_size)
rc = -EIO;
@ -595,8 +593,8 @@ static int mark_sector_deleted(struct partition *part, u_long old_addr)
addr = part->blocks[block].offset +
(HEADER_MAP_OFFSET + offset) * sizeof(u16);
rc = part->mbd.mtd->write(part->mbd.mtd, addr,
sizeof(del), &retlen, (u_char*)&del);
rc = mtd_write(part->mbd.mtd, addr, sizeof(del), &retlen,
(u_char *)&del);
if (!rc && retlen != sizeof(del))
rc = -EIO;
@ -668,8 +666,8 @@ static int do_writesect(struct mtd_blktrans_dev *dev, u_long sector, char *buf,
addr = (i + part->header_sectors_per_block) * SECTOR_SIZE +
block->offset;
rc = part->mbd.mtd->write(part->mbd.mtd,
addr, SECTOR_SIZE, &retlen, (u_char*)buf);
rc = mtd_write(part->mbd.mtd, addr, SECTOR_SIZE, &retlen,
(u_char *)buf);
if (!rc && retlen != SECTOR_SIZE)
rc = -EIO;
@ -688,8 +686,8 @@ static int do_writesect(struct mtd_blktrans_dev *dev, u_long sector, char *buf,
part->header_cache[i + HEADER_MAP_OFFSET] = entry;
addr = block->offset + (HEADER_MAP_OFFSET + i) * sizeof(u16);
rc = part->mbd.mtd->write(part->mbd.mtd, addr,
sizeof(entry), &retlen, (u_char*)&entry);
rc = mtd_write(part->mbd.mtd, addr, sizeof(entry), &retlen,
(u_char *)&entry);
if (!rc && retlen != sizeof(entry))
rc = -EIO;

12
drivers/mtd/sm_ftl.c
View file

@ -25,7 +25,7 @@
struct workqueue_struct *cache_flush_workqueue;
static int cache_timeout = 1000;
module_param(cache_timeout, bool, S_IRUGO);
module_param(cache_timeout, int, S_IRUGO);
MODULE_PARM_DESC(cache_timeout,
"Timeout (in ms) for cache flush (1000 ms default");
@ -278,7 +278,7 @@ again:
/* Unfortunately, oob read will _always_ succeed,
despite card removal..... */
ret = mtd->read_oob(mtd, sm_mkoffset(ftl, zone, block, boffset), &ops);
ret = mtd_read_oob(mtd, sm_mkoffset(ftl, zone, block, boffset), &ops);
/* Test for unknown errors */
if (ret != 0 && !mtd_is_bitflip_or_eccerr(ret)) {
@ -343,7 +343,7 @@ static int sm_write_sector(struct sm_ftl *ftl,
ops.ooblen = SM_OOB_SIZE;
ops.oobbuf = (void *)oob;
ret = mtd->write_oob(mtd, sm_mkoffset(ftl, zone, block, boffset), &ops);
ret = mtd_write_oob(mtd, sm_mkoffset(ftl, zone, block, boffset), &ops);
/* Now we assume that hardware will catch write bitflip errors */
/* If you are paranoid, use CONFIG_MTD_NAND_VERIFY_WRITE */
@ -479,7 +479,7 @@ static int sm_erase_block(struct sm_ftl *ftl, int zone_num, uint16_t block,
return -EIO;
}
if (mtd->erase(mtd, &erase)) {
if (mtd_erase(mtd, &erase)) {
sm_printk("erase of block %d in zone %d failed",
block, zone_num);
goto error;
@ -645,8 +645,8 @@ int sm_get_media_info(struct sm_ftl *ftl, struct mtd_info *mtd)
if (!ftl->smallpagenand && mtd->oobsize < SM_OOB_SIZE)
return -ENODEV;
/* We use these functions for IO */
if (!mtd->read_oob || !mtd->write_oob)
/* We use OOB */
if (!mtd_has_oob(mtd))
return -ENODEV;
/* Find geometry information */

12
drivers/mtd/ssfdc.c
View file

@ -122,9 +122,9 @@ static int get_valid_cis_sector(struct mtd_info *mtd)
* is not SSFDC formatted
*/
for (k = 0, offset = 0; k < 4; k++, offset += mtd->erasesize) {
if (!mtd->block_isbad(mtd, offset)) {
ret = mtd->read(mtd, offset, SECTOR_SIZE, &retlen,
sect_buf);
if (mtd_block_isbad(mtd, offset)) {
ret = mtd_read(mtd, offset, SECTOR_SIZE, &retlen,
sect_buf);
/* CIS pattern match on the sector buffer */
if (ret < 0 || retlen != SECTOR_SIZE) {
@ -156,7 +156,7 @@ static int read_physical_sector(struct mtd_info *mtd, uint8_t *sect_buf,
size_t retlen;
loff_t offset = (loff_t)sect_no << SECTOR_SHIFT;
ret = mtd->read(mtd, offset, SECTOR_SIZE, &retlen, sect_buf);
ret = mtd_read(mtd, offset, SECTOR_SIZE, &retlen, sect_buf);
if (ret < 0 || retlen != SECTOR_SIZE)
return -1;
@ -175,7 +175,7 @@ static int read_raw_oob(struct mtd_info *mtd, loff_t offs, uint8_t *buf)
ops.oobbuf = buf;
ops.datbuf = NULL;
ret = mtd->read_oob(mtd, offs, &ops);
ret = mtd_read_oob(mtd, offs, &ops);
if (ret < 0 || ops.oobretlen != OOB_SIZE)
return -1;
@ -255,7 +255,7 @@ static int build_logical_block_map(struct ssfdcr_record *ssfdc)
for (phys_block = ssfdc->cis_block + 1; phys_block < ssfdc->map_len;
phys_block++) {
offset = (unsigned long)phys_block * ssfdc->erase_size;
if (mtd->block_isbad(mtd, offset))
if (mtd_block_isbad(mtd, offset))
continue; /* skip bad blocks */
ret = read_raw_oob(mtd, offset, oob_buf);

28
drivers/mtd/tests/mtd_oobtest.c
View file

@ -78,7 +78,7 @@ static int erase_eraseblock(int ebnum)
ei.addr = addr;
ei.len = mtd->erasesize;
err = mtd->erase(mtd, &ei);
err = mtd_erase(mtd, &ei);
if (err) {
printk(PRINT_PREF "error %d while erasing EB %d\n", err, ebnum);
return err;
@ -139,7 +139,7 @@ static int write_eraseblock(int ebnum)
ops.ooboffs = use_offset;
ops.datbuf = NULL;
ops.oobbuf = writebuf;
err = mtd->write_oob(mtd, addr, &ops);
err = mtd_write_oob(mtd, addr, &ops);
if (err || ops.oobretlen != use_len) {
printk(PRINT_PREF "error: writeoob failed at %#llx\n",
(long long)addr);
@ -192,7 +192,7 @@ static int verify_eraseblock(int ebnum)
ops.ooboffs = use_offset;
ops.datbuf = NULL;
ops.oobbuf = readbuf;
err = mtd->read_oob(mtd, addr, &ops);
err = mtd_read_oob(mtd, addr, &ops);
if (err || ops.oobretlen != use_len) {
printk(PRINT_PREF "error: readoob failed at %#llx\n",
(long long)addr);
@ -219,7 +219,7 @@ static int verify_eraseblock(int ebnum)
ops.ooboffs = 0;
ops.datbuf = NULL;
ops.oobbuf = readbuf;
err = mtd->read_oob(mtd, addr, &ops);
err = mtd_read_oob(mtd, addr, &ops);
if (err || ops.oobretlen != mtd->ecclayout->oobavail) {
printk(PRINT_PREF "error: readoob failed at "
"%#llx\n", (long long)addr);
@ -284,7 +284,7 @@ static int verify_eraseblock_in_one_go(int ebnum)
ops.ooboffs = 0;
ops.datbuf = NULL;
ops.oobbuf = readbuf;
err = mtd->read_oob(mtd, addr, &ops);
err = mtd_read_oob(mtd, addr, &ops);
if (err || ops.oobretlen != len) {
printk(PRINT_PREF "error: readoob failed at %#llx\n",
(long long)addr);
@ -329,7 +329,7 @@ static int is_block_bad(int ebnum)
int ret;
loff_t addr = ebnum * mtd->erasesize;
ret = mtd->block_isbad(mtd, addr);
ret = mtd_block_isbad(mtd, addr);
if (ret)
printk(PRINT_PREF "block %d is bad\n", ebnum);
return ret;
@ -524,7 +524,7 @@ static int __init mtd_oobtest_init(void)
ops.oobbuf = writebuf;
printk(PRINT_PREF "attempting to start write past end of OOB\n");
printk(PRINT_PREF "an error is expected...\n");
err = mtd->write_oob(mtd, addr0, &ops);
err = mtd_write_oob(mtd, addr0, &ops);
if (err) {
printk(PRINT_PREF "error occurred as expected\n");
err = 0;
@ -544,7 +544,7 @@ static int __init mtd_oobtest_init(void)
ops.oobbuf = readbuf;
printk(PRINT_PREF "attempting to start read past end of OOB\n");
printk(PRINT_PREF "an error is expected...\n");
err = mtd->read_oob(mtd, addr0, &ops);
err = mtd_read_oob(mtd, addr0, &ops);
if (err) {
printk(PRINT_PREF "error occurred as expected\n");
err = 0;
@ -568,7 +568,7 @@ static int __init mtd_oobtest_init(void)
ops.oobbuf = writebuf;
printk(PRINT_PREF "attempting to write past end of device\n");
printk(PRINT_PREF "an error is expected...\n");
err = mtd->write_oob(mtd, mtd->size - mtd->writesize, &ops);
err = mtd_write_oob(mtd, mtd->size - mtd->writesize, &ops);
if (err) {
printk(PRINT_PREF "error occurred as expected\n");
err = 0;
@ -588,7 +588,7 @@ static int __init mtd_oobtest_init(void)
ops.oobbuf = readbuf;
printk(PRINT_PREF "attempting to read past end of device\n");
printk(PRINT_PREF "an error is expected...\n");
err = mtd->read_oob(mtd, mtd->size - mtd->writesize, &ops);
err = mtd_read_oob(mtd, mtd->size - mtd->writesize, &ops);
if (err) {
printk(PRINT_PREF "error occurred as expected\n");
err = 0;
@ -612,7 +612,7 @@ static int __init mtd_oobtest_init(void)
ops.oobbuf = writebuf;
printk(PRINT_PREF "attempting to write past end of device\n");
printk(PRINT_PREF "an error is expected...\n");
err = mtd->write_oob(mtd, mtd->size - mtd->writesize, &ops);
err = mtd_write_oob(mtd, mtd->size - mtd->writesize, &ops);
if (err) {
printk(PRINT_PREF "error occurred as expected\n");
err = 0;
@ -632,7 +632,7 @@ static int __init mtd_oobtest_init(void)
ops.oobbuf = readbuf;
printk(PRINT_PREF "attempting to read past end of device\n");
printk(PRINT_PREF "an error is expected...\n");
err = mtd->read_oob(mtd, mtd->size - mtd->writesize, &ops);
err = mtd_read_oob(mtd, mtd->size - mtd->writesize, &ops);
if (err) {
printk(PRINT_PREF "error occurred as expected\n");
err = 0;
@ -670,7 +670,7 @@ static int __init mtd_oobtest_init(void)
ops.ooboffs = 0;
ops.datbuf = NULL;
ops.oobbuf = writebuf;
err = mtd->write_oob(mtd, addr, &ops);
err = mtd_write_oob(mtd, addr, &ops);
if (err)
goto out;
if (i % 256 == 0)
@ -698,7 +698,7 @@ static int __init mtd_oobtest_init(void)
ops.ooboffs = 0;
ops.datbuf = NULL;
ops.oobbuf = readbuf;
err = mtd->read_oob(mtd, addr, &ops);
err = mtd_read_oob(mtd, addr, &ops);
if (err)
goto out;
if (memcmp(readbuf, writebuf, mtd->ecclayout->oobavail * 2)) {

57
drivers/mtd/tests/mtd_pagetest.c
View file

@ -77,7 +77,7 @@ static int erase_eraseblock(int ebnum)
ei.addr = addr;
ei.len = mtd->erasesize;
err = mtd->erase(mtd, &ei);
err = mtd_erase(mtd, &ei);
if (err) {
printk(PRINT_PREF "error %d while erasing EB %d\n", err, ebnum);
return err;
@ -95,12 +95,12 @@ static int erase_eraseblock(int ebnum)
static int write_eraseblock(int ebnum)
{
int err = 0;
size_t written = 0;
size_t written;
loff_t addr = ebnum * mtd->erasesize;
set_random_data(writebuf, mtd->erasesize);
cond_resched();
err = mtd->write(mtd, addr, mtd->erasesize, &written, writebuf);
err = mtd_write(mtd, addr, mtd->erasesize, &written, writebuf);
if (err || written != mtd->erasesize)
printk(PRINT_PREF "error: write failed at %#llx\n",
(long long)addr);
@ -111,7 +111,7 @@ static int write_eraseblock(int ebnum)
static int verify_eraseblock(int ebnum)
{
uint32_t j;
size_t read = 0;
size_t read;
int err = 0, i;
loff_t addr0, addrn;
loff_t addr = ebnum * mtd->erasesize;
@ -127,7 +127,7 @@ static int verify_eraseblock(int ebnum)
set_random_data(writebuf, mtd->erasesize);
for (j = 0; j < pgcnt - 1; ++j, addr += pgsize) {
/* Do a read to set the internal dataRAMs to different data */
err = mtd->read(mtd, addr0, bufsize, &read, twopages);
err = mtd_read(mtd, addr0, bufsize, &read, twopages);
if (mtd_is_bitflip(err))
err = 0;
if (err || read != bufsize) {
@ -135,7 +135,7 @@ static int verify_eraseblock(int ebnum)
(long long)addr0);
return err;
}
err = mtd->read(mtd, addrn - bufsize, bufsize, &read, twopages);
err = mtd_read(mtd, addrn - bufsize, bufsize, &read, twopages);
if (mtd_is_bitflip(err))
err = 0;
if (err || read != bufsize) {
@ -144,8 +144,7 @@ static int verify_eraseblock(int ebnum)
return err;
}
memset(twopages, 0, bufsize);
read = 0;
err = mtd->read(mtd, addr, bufsize, &read, twopages);
err = mtd_read(mtd, addr, bufsize, &read, twopages);
if (mtd_is_bitflip(err))
err = 0;
if (err || read != bufsize) {
@ -163,7 +162,7 @@ static int verify_eraseblock(int ebnum)
if (addr <= addrn - pgsize - pgsize && !bbt[ebnum + 1]) {
unsigned long oldnext = next;
/* Do a read to set the internal dataRAMs to different data */
err = mtd->read(mtd, addr0, bufsize, &read, twopages);
err = mtd_read(mtd, addr0, bufsize, &read, twopages);
if (mtd_is_bitflip(err))
err = 0;
if (err || read != bufsize) {
@ -171,7 +170,7 @@ static int verify_eraseblock(int ebnum)
(long long)addr0);
return err;
}
err = mtd->read(mtd, addrn - bufsize, bufsize, &read, twopages);
err = mtd_read(mtd, addrn - bufsize, bufsize, &read, twopages);
if (mtd_is_bitflip(err))
err = 0;
if (err || read != bufsize) {
@ -180,8 +179,7 @@ static int verify_eraseblock(int ebnum)
return err;
}
memset(twopages, 0, bufsize);
read = 0;
err = mtd->read(mtd, addr, bufsize, &read, twopages);
err = mtd_read(mtd, addr, bufsize, &read, twopages);
if (mtd_is_bitflip(err))
err = 0;
if (err || read != bufsize) {
@ -203,7 +201,7 @@ static int verify_eraseblock(int ebnum)
static int crosstest(void)
{
size_t read = 0;
size_t read;
int err = 0, i;
loff_t addr, addr0, addrn;
unsigned char *pp1, *pp2, *pp3, *pp4;
@ -228,9 +226,8 @@ static int crosstest(void)
addrn -= mtd->erasesize;
/* Read 2nd-to-last page to pp1 */
read = 0;
addr = addrn - pgsize - pgsize;
err = mtd->read(mtd, addr, pgsize, &read, pp1);
err = mtd_read(mtd, addr, pgsize, &read, pp1);
if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
@ -241,9 +238,8 @@ static int crosstest(void)
}
/* Read 3rd-to-last page to pp1 */
read = 0;
addr = addrn - pgsize - pgsize - pgsize;
err = mtd->read(mtd, addr, pgsize, &read, pp1);
err = mtd_read(mtd, addr, pgsize, &read, pp1);
if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
@ -254,10 +250,9 @@ static int crosstest(void)
}
/* Read first page to pp2 */
read = 0;
addr = addr0;
printk(PRINT_PREF "reading page at %#llx\n", (long long)addr);
err = mtd->read(mtd, addr, pgsize, &read, pp2);
err = mtd_read(mtd, addr, pgsize, &read, pp2);
if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
@ -268,10 +263,9 @@ static int crosstest(void)
}
/* Read last page to pp3 */
read = 0;
addr = addrn - pgsize;
printk(PRINT_PREF "reading page at %#llx\n", (long long)addr);
err = mtd->read(mtd, addr, pgsize, &read, pp3);
err = mtd_read(mtd, addr, pgsize, &read, pp3);
if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
@ -282,10 +276,9 @@ static int crosstest(void)
}
/* Read first page again to pp4 */
read = 0;
addr = addr0;
printk(PRINT_PREF "reading page at %#llx\n", (long long)addr);
err = mtd->read(mtd, addr, pgsize, &read, pp4);
err = mtd_read(mtd, addr, pgsize, &read, pp4);
if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
@ -309,7 +302,7 @@ static int crosstest(void)
static int erasecrosstest(void)
{
size_t read = 0, written = 0;
size_t read, written;
int err = 0, i, ebnum, ebnum2;
loff_t addr0;
char *readbuf = twopages;
@ -335,7 +328,7 @@ static int erasecrosstest(void)
printk(PRINT_PREF "writing 1st page of block %d\n", ebnum);
set_random_data(writebuf, pgsize);
strcpy(writebuf, "There is no data like this!");
err = mtd->write(mtd, addr0, pgsize, &written, writebuf);
err = mtd_write(mtd, addr0, pgsize, &written, writebuf);
if (err || written != pgsize) {
printk(PRINT_PREF "error: write failed at %#llx\n",
(long long)addr0);
@ -344,7 +337,7 @@ static int erasecrosstest(void)
printk(PRINT_PREF "reading 1st page of block %d\n", ebnum);
memset(readbuf, 0, pgsize);
err = mtd->read(mtd, addr0, pgsize, &read, readbuf);
err = mtd_read(mtd, addr0, pgsize, &read, readbuf);
if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
@ -368,7 +361,7 @@ static int erasecrosstest(void)
printk(PRINT_PREF "writing 1st page of block %d\n", ebnum);
set_random_data(writebuf, pgsize);
strcpy(writebuf, "There is no data like this!");
err = mtd->write(mtd, addr0, pgsize, &written, writebuf);
err = mtd_write(mtd, addr0, pgsize, &written, writebuf);
if (err || written != pgsize) {
printk(PRINT_PREF "error: write failed at %#llx\n",
(long long)addr0);
@ -382,7 +375,7 @@ static int erasecrosstest(void)
printk(PRINT_PREF "reading 1st page of block %d\n", ebnum);
memset(readbuf, 0, pgsize);
err = mtd->read(mtd, addr0, pgsize, &read, readbuf);
err = mtd_read(mtd, addr0, pgsize, &read, readbuf);
if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
@ -405,7 +398,7 @@ static int erasecrosstest(void)
static int erasetest(void)
{
size_t read = 0, written = 0;
size_t read, written;
int err = 0, i, ebnum, ok = 1;
loff_t addr0;
@ -425,7 +418,7 @@ static int erasetest(void)
printk(PRINT_PREF "writing 1st page of block %d\n", ebnum);
set_random_data(writebuf, pgsize);
err = mtd->write(mtd, addr0, pgsize, &written, writebuf);
err = mtd_write(mtd, addr0, pgsize, &written, writebuf);
if (err || written != pgsize) {
printk(PRINT_PREF "error: write failed at %#llx\n",
(long long)addr0);
@ -438,7 +431,7 @@ static int erasetest(void)
return err;
printk(PRINT_PREF "reading 1st page of block %d\n", ebnum);
err = mtd->read(mtd, addr0, pgsize, &read, twopages);
err = mtd_read(mtd, addr0, pgsize, &read, twopages);
if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
@ -469,7 +462,7 @@ static int is_block_bad(int ebnum)
loff_t addr = ebnum * mtd->erasesize;
int ret;
ret = mtd->block_isbad(mtd, addr);
ret = mtd_block_isbad(mtd, addr);
if (ret)
printk(PRINT_PREF "block %d is bad\n", ebnum);
return ret;

11
drivers/mtd/tests/mtd_readtest.c
View file

@ -44,7 +44,7 @@ static int pgcnt;
static int read_eraseblock_by_page(int ebnum)
{
size_t read = 0;
size_t read;
int i, ret, err = 0;
loff_t addr = ebnum * mtd->erasesize;
void *buf = iobuf;
@ -52,7 +52,7 @@ static int read_eraseblock_by_page(int ebnum)
for (i = 0; i < pgcnt; i++) {
memset(buf, 0 , pgcnt);
ret = mtd->read(mtd, addr, pgsize, &read, buf);
ret = mtd_read(mtd, addr, pgsize, &read, buf);
if (ret == -EUCLEAN)
ret = 0;
if (ret || read != pgsize) {
@ -74,7 +74,7 @@ static int read_eraseblock_by_page(int ebnum)
ops.ooboffs = 0;
ops.datbuf = NULL;
ops.oobbuf = oobbuf;
ret = mtd->read_oob(mtd, addr, &ops);
ret = mtd_read_oob(mtd, addr, &ops);
if ((ret && !mtd_is_bitflip(ret)) ||
ops.oobretlen != mtd->oobsize) {
printk(PRINT_PREF "error: read oob failed at "
@ -132,7 +132,7 @@ static int is_block_bad(int ebnum)
loff_t addr = ebnum * mtd->erasesize;
int ret;
ret = mtd->block_isbad(mtd, addr);
ret = mtd_block_isbad(mtd, addr);
if (ret)
printk(PRINT_PREF "block %d is bad\n", ebnum);
return ret;
@ -148,8 +148,7 @@ static int scan_for_bad_eraseblocks(void)
return -ENOMEM;
}
/* NOR flash does not implement block_isbad */
if (mtd->block_isbad == NULL)
if (!mtd_can_have_bb(mtd))
return 0;
printk(PRINT_PREF "scanning for bad eraseblocks\n");

37
drivers/mtd/tests/mtd_speedtest.c
View file

@ -79,7 +79,7 @@ static int erase_eraseblock(int ebnum)
ei.addr = addr;
ei.len = mtd->erasesize;
err = mtd->erase(mtd, &ei);
err = mtd_erase(mtd, &ei);
if (err) {
printk(PRINT_PREF "error %d while erasing EB %d\n", err, ebnum);
return err;
@ -105,7 +105,7 @@ static int multiblock_erase(int ebnum, int blocks)
ei.addr = addr;
ei.len = mtd->erasesize * blocks;
err = mtd->erase(mtd, &ei);
err = mtd_erase(mtd, &ei);
if (err) {
printk(PRINT_PREF "error %d while erasing EB %d, blocks %d\n",
err, ebnum, blocks);
@ -139,11 +139,11 @@ static int erase_whole_device(void)
static int write_eraseblock(int ebnum)
{
size_t written = 0;
size_t written;
int err = 0;
loff_t addr = ebnum * mtd->erasesize;
err = mtd->write(mtd, addr, mtd->erasesize, &written, iobuf);
err = mtd_write(mtd, addr, mtd->erasesize, &written, iobuf);
if (err || written != mtd->erasesize) {
printk(PRINT_PREF "error: write failed at %#llx\n", addr);
if (!err)
@ -155,13 +155,13 @@ static int write_eraseblock(int ebnum)
static int write_eraseblock_by_page(int ebnum)
{
size_t written = 0;
size_t written;
int i, err = 0;
loff_t addr = ebnum * mtd->erasesize;
void *buf = iobuf;
for (i = 0; i < pgcnt; i++) {
err = mtd->write(mtd, addr, pgsize, &written, buf);
err = mtd_write(mtd, addr, pgsize, &written, buf);
if (err || written != pgsize) {
printk(PRINT_PREF "error: write failed at %#llx\n",
addr);
@ -178,13 +178,13 @@ static int write_eraseblock_by_page(int ebnum)
static int write_eraseblock_by_2pages(int ebnum)
{
size_t written = 0, sz = pgsize * 2;
size_t written, sz = pgsize * 2;
int i, n = pgcnt / 2, err = 0;
loff_t addr = ebnum * mtd->erasesize;
void *buf = iobuf;
for (i = 0; i < n; i++) {
err = mtd->write(mtd, addr, sz, &written, buf);
err = mtd_write(mtd, addr, sz, &written, buf);
if (err || written != sz) {
printk(PRINT_PREF "error: write failed at %#llx\n",
addr);
@ -196,7 +196,7 @@ static int write_eraseblock_by_2pages(int ebnum)
buf += sz;
}
if (pgcnt % 2) {
err = mtd->write(mtd, addr, pgsize, &written, buf);
err = mtd_write(mtd, addr, pgsize, &written, buf);
if (err || written != pgsize) {
printk(PRINT_PREF "error: write failed at %#llx\n",
addr);
@ -210,11 +210,11 @@ static int write_eraseblock_by_2pages(int ebnum)
static int read_eraseblock(int ebnum)
{
size_t read = 0;
size_t read;
int err = 0;
loff_t addr = ebnum * mtd->erasesize;
err = mtd->read(mtd, addr, mtd->erasesize, &read, iobuf);
err = mtd_read(mtd, addr, mtd->erasesize, &read, iobuf);
/* Ignore corrected ECC errors */
if (mtd_is_bitflip(err))
err = 0;
@ -229,13 +229,13 @@ static int read_eraseblock(int ebnum)
static int read_eraseblock_by_page(int ebnum)
{
size_t read = 0;
size_t read;
int i, err = 0;
loff_t addr = ebnum * mtd->erasesize;
void *buf = iobuf;
for (i = 0; i < pgcnt; i++) {
err = mtd->read(mtd, addr, pgsize, &read, buf);
err = mtd_read(mtd, addr, pgsize, &read, buf);
/* Ignore corrected ECC errors */
if (mtd_is_bitflip(err))
err = 0;
@ -255,13 +255,13 @@ static int read_eraseblock_by_page(int ebnum)
static int read_eraseblock_by_2pages(int ebnum)
{
size_t read = 0, sz = pgsize * 2;
size_t read, sz = pgsize * 2;
int i, n = pgcnt / 2, err = 0;
loff_t addr = ebnum * mtd->erasesize;
void *buf = iobuf;
for (i = 0; i < n; i++) {
err = mtd->read(mtd, addr, sz, &read, buf);
err = mtd_read(mtd, addr, sz, &read, buf);
/* Ignore corrected ECC errors */
if (mtd_is_bitflip(err))
err = 0;
@ -276,7 +276,7 @@ static int read_eraseblock_by_2pages(int ebnum)
buf += sz;
}
if (pgcnt % 2) {
err = mtd->read(mtd, addr, pgsize, &read, buf);
err = mtd_read(mtd, addr, pgsize, &read, buf);
/* Ignore corrected ECC errors */
if (mtd_is_bitflip(err))
err = 0;
@ -296,7 +296,7 @@ static int is_block_bad(int ebnum)
loff_t addr = ebnum * mtd->erasesize;
int ret;
ret = mtd->block_isbad(mtd, addr);
ret = mtd_block_isbad(mtd, addr);
if (ret)
printk(PRINT_PREF "block %d is bad\n", ebnum);
return ret;
@ -336,8 +336,7 @@ static int scan_for_bad_eraseblocks(void)
return -ENOMEM;
}
/* NOR flash does not implement block_isbad */
if (mtd->block_isbad == NULL)
if (!mtd_can_have_bb(mtd))
goto out;
printk(PRINT_PREF "scanning for bad eraseblocks\n");

22
drivers/mtd/tests/mtd_stresstest.c
View file

@ -112,7 +112,7 @@ static int erase_eraseblock(int ebnum)
ei.addr = addr;
ei.len = mtd->erasesize;
err = mtd->erase(mtd, &ei);
err = mtd_erase(mtd, &ei);
if (unlikely(err)) {
printk(PRINT_PREF "error %d while erasing EB %d\n", err, ebnum);
return err;
@ -132,7 +132,7 @@ static int is_block_bad(int ebnum)
loff_t addr = ebnum * mtd->erasesize;
int ret;
ret = mtd->block_isbad(mtd, addr);
ret = mtd_block_isbad(mtd, addr);
if (ret)
printk(PRINT_PREF "block %d is bad\n", ebnum);
return ret;
@ -140,7 +140,7 @@ static int is_block_bad(int ebnum)
static int do_read(void)
{
size_t read = 0;
size_t read;
int eb = rand_eb();
int offs = rand_offs();
int len = rand_len(offs), err;
@ -153,7 +153,7 @@ static int do_read(void)
len = mtd->erasesize - offs;
}
addr = eb * mtd->erasesize + offs;
err = mtd->read(mtd, addr, len, &read, readbuf);
err = mtd_read(mtd, addr, len, &read, readbuf);
if (mtd_is_bitflip(err))
err = 0;
if (unlikely(err || read != len)) {
@ -169,7 +169,7 @@ static int do_read(void)
static int do_write(void)
{
int eb = rand_eb(), offs, err, len;
size_t written = 0;
size_t written;
loff_t addr;
offs = offsets[eb];
@ -192,7 +192,7 @@ static int do_write(void)
}
}
addr = eb * mtd->erasesize + offs;
err = mtd->write(mtd, addr, len, &written, writebuf);
err = mtd_write(mtd, addr, len, &written, writebuf);
if (unlikely(err || written != len)) {
printk(PRINT_PREF "error: write failed at 0x%llx\n",
(long long)addr);
@ -227,8 +227,7 @@ static int scan_for_bad_eraseblocks(void)
return -ENOMEM;
}
/* NOR flash does not implement block_isbad */
if (mtd->block_isbad == NULL)
if (!mtd_can_have_bb(mtd))
return 0;
printk(PRINT_PREF "scanning for bad eraseblocks\n");
@ -284,6 +283,12 @@ static int __init mtd_stresstest_init(void)
(unsigned long long)mtd->size, mtd->erasesize,
pgsize, ebcnt, pgcnt, mtd->oobsize);
if (ebcnt < 2) {
printk(PRINT_PREF "error: need at least 2 eraseblocks\n");
err = -ENOSPC;
goto out_put_mtd;
}
/* Read or write up 2 eraseblocks at a time */
bufsize = mtd->erasesize * 2;
@ -322,6 +327,7 @@ out:
kfree(bbt);
vfree(writebuf);
vfree(readbuf);
out_put_mtd:
put_mtd_device(mtd);
if (err)
printk(PRINT_PREF "error %d occurred\n", err);

32
drivers/mtd/tests/mtd_subpagetest.c
View file

@ -80,7 +80,7 @@ static int erase_eraseblock(int ebnum)
ei.addr = addr;
ei.len = mtd->erasesize;
err = mtd->erase(mtd, &ei);
err = mtd_erase(mtd, &ei);
if (err) {
printk(PRINT_PREF "error %d while erasing EB %d\n", err, ebnum);
return err;
@ -115,12 +115,12 @@ static int erase_whole_device(void)
static int write_eraseblock(int ebnum)
{
size_t written = 0;
size_t written;
int err = 0;
loff_t addr = ebnum * mtd->erasesize;
set_random_data(writebuf, subpgsize);
err = mtd->write(mtd, addr, subpgsize, &written, writebuf);
err = mtd_write(mtd, addr, subpgsize, &written, writebuf);
if (unlikely(err || written != subpgsize)) {
printk(PRINT_PREF "error: write failed at %#llx\n",
(long long)addr);
@ -134,7 +134,7 @@ static int write_eraseblock(int ebnum)
addr += subpgsize;
set_random_data(writebuf, subpgsize);
err = mtd->write(mtd, addr, subpgsize, &written, writebuf);
err = mtd_write(mtd, addr, subpgsize, &written, writebuf);
if (unlikely(err || written != subpgsize)) {
printk(PRINT_PREF "error: write failed at %#llx\n",
(long long)addr);
@ -150,7 +150,7 @@ static int write_eraseblock(int ebnum)
static int write_eraseblock2(int ebnum)
{
size_t written = 0;
size_t written;
int err = 0, k;
loff_t addr = ebnum * mtd->erasesize;
@ -158,7 +158,7 @@ static int write_eraseblock2(int ebnum)
if (addr + (subpgsize * k) > (ebnum + 1) * mtd->erasesize)
break;
set_random_data(writebuf, subpgsize * k);
err = mtd->write(mtd, addr, subpgsize * k, &written, writebuf);
err = mtd_write(mtd, addr, subpgsize * k, &written, writebuf);
if (unlikely(err || written != subpgsize * k)) {
printk(PRINT_PREF "error: write failed at %#llx\n",
(long long)addr);
@ -189,14 +189,13 @@ static void print_subpage(unsigned char *p)
static int verify_eraseblock(int ebnum)
{
size_t read = 0;
size_t read;
int err = 0;
loff_t addr = ebnum * mtd->erasesize;
set_random_data(writebuf, subpgsize);
clear_data(readbuf, subpgsize);
read = 0;
err = mtd->read(mtd, addr, subpgsize, &read, readbuf);
err = mtd_read(mtd, addr, subpgsize, &read, readbuf);
if (unlikely(err || read != subpgsize)) {
if (mtd_is_bitflip(err) && read == subpgsize) {
printk(PRINT_PREF "ECC correction at %#llx\n",
@ -223,8 +222,7 @@ static int verify_eraseblock(int ebnum)
set_random_data(writebuf, subpgsize);
clear_data(readbuf, subpgsize);
read = 0;
err = mtd->read(mtd, addr, subpgsize, &read, readbuf);
err = mtd_read(mtd, addr, subpgsize, &read, readbuf);
if (unlikely(err || read != subpgsize)) {
if (mtd_is_bitflip(err) && read == subpgsize) {
printk(PRINT_PREF "ECC correction at %#llx\n",
@ -252,7 +250,7 @@ static int verify_eraseblock(int ebnum)
static int verify_eraseblock2(int ebnum)
{
size_t read = 0;
size_t read;
int err = 0, k;
loff_t addr = ebnum * mtd->erasesize;
@ -261,8 +259,7 @@ static int verify_eraseblock2(int ebnum)
break;
set_random_data(writebuf, subpgsize * k);
clear_data(readbuf, subpgsize * k);
read = 0;
err = mtd->read(mtd, addr, subpgsize * k, &read, readbuf);
err = mtd_read(mtd, addr, subpgsize * k, &read, readbuf);
if (unlikely(err || read != subpgsize * k)) {
if (mtd_is_bitflip(err) && read == subpgsize * k) {
printk(PRINT_PREF "ECC correction at %#llx\n",
@ -288,15 +285,14 @@ static int verify_eraseblock2(int ebnum)
static int verify_eraseblock_ff(int ebnum)
{
uint32_t j;
size_t read = 0;
size_t read;
int err = 0;
loff_t addr = ebnum * mtd->erasesize;
memset(writebuf, 0xff, subpgsize);
for (j = 0; j < mtd->erasesize / subpgsize; ++j) {
clear_data(readbuf, subpgsize);
read = 0;
err = mtd->read(mtd, addr, subpgsize, &read, readbuf);
err = mtd_read(mtd, addr, subpgsize, &read, readbuf);
if (unlikely(err || read != subpgsize)) {
if (mtd_is_bitflip(err) && read == subpgsize) {
printk(PRINT_PREF "ECC correction at %#llx\n",
@ -344,7 +340,7 @@ static int is_block_bad(int ebnum)
loff_t addr = ebnum * mtd->erasesize;
int ret;
ret = mtd->block_isbad(mtd, addr);
ret = mtd_block_isbad(mtd, addr);
if (ret)
printk(PRINT_PREF "block %d is bad\n", ebnum);
return ret;

15
drivers/mtd/tests/mtd_torturetest.c
View file

@ -105,7 +105,7 @@ static inline int erase_eraseblock(int ebnum)
ei.addr = addr;
ei.len = mtd->erasesize;
err = mtd->erase(mtd, &ei);
err = mtd_erase(mtd, &ei);
if (err) {
printk(PRINT_PREF "error %d while erasing EB %d\n", err, ebnum);
return err;
@ -127,7 +127,7 @@ static inline int erase_eraseblock(int ebnum)
static inline int check_eraseblock(int ebnum, unsigned char *buf)
{
int err, retries = 0;
size_t read = 0;
size_t read;
loff_t addr = ebnum * mtd->erasesize;
size_t len = mtd->erasesize;
@ -137,7 +137,7 @@ static inline int check_eraseblock(int ebnum, unsigned char *buf)
}
retry:
err = mtd->read(mtd, addr, len, &read, check_buf);
err = mtd_read(mtd, addr, len, &read, check_buf);
if (mtd_is_bitflip(err))
printk(PRINT_PREF "single bit flip occurred at EB %d "
"MTD reported that it was fixed.\n", ebnum);
@ -181,7 +181,7 @@ retry:
static inline int write_pattern(int ebnum, void *buf)
{
int err;
size_t written = 0;
size_t written;
loff_t addr = ebnum * mtd->erasesize;
size_t len = mtd->erasesize;
@ -189,7 +189,7 @@ static inline int write_pattern(int ebnum, void *buf)
addr = (ebnum + 1) * mtd->erasesize - pgcnt * pgsize;
len = pgcnt * pgsize;
}
err = mtd->write(mtd, addr, len, &written, buf);
err = mtd_write(mtd, addr, len, &written, buf);
if (err) {
printk(PRINT_PREF "error %d while writing EB %d, written %zd"
" bytes\n", err, ebnum, written);
@ -290,10 +290,9 @@ static int __init tort_init(void)
* Check if there is a bad eraseblock among those we are going to test.
*/
memset(&bad_ebs[0], 0, sizeof(int) * ebcnt);
if (mtd->block_isbad) {
if (mtd_can_have_bb(mtd)) {
for (i = eb; i < eb + ebcnt; i++) {
err = mtd->block_isbad(mtd,
(loff_t)i * mtd->erasesize);
err = mtd_block_isbad(mtd, (loff_t)i * mtd->erasesize);
if (err < 0) {
printk(PRINT_PREF "block_isbad() returned %d "

2
drivers/mtd/ubi/build.c
View file

@ -664,7 +664,7 @@ static int io_init(struct ubi_device *ubi)
ubi->peb_count = mtd_div_by_eb(ubi->mtd->size, ubi->mtd);
ubi->flash_size = ubi->mtd->size;
if (ubi->mtd->block_isbad && ubi->mtd->block_markbad)
if (mtd_can_have_bb(ubi->mtd))
ubi->bad_allowed = 1;
if (ubi->mtd->type == MTD_NORFLASH) {

2
drivers/mtd/ubi/debug.c
View file

@ -216,7 +216,7 @@ void ubi_dbg_dump_flash(struct ubi_device *ubi, int pnum, int offset, int len)
buf = vmalloc(len);
if (!buf)
return;
err = ubi->mtd->read(ubi->mtd, addr, len, &read, buf);
err = mtd_read(ubi->mtd, addr, len, &read, buf);
if (err && err != -EUCLEAN) {
ubi_err("error %d while reading %d bytes from PEB %d:%d, "
"read %zd bytes", err, len, pnum, offset, read);

19
drivers/mtd/ubi/io.c
View file

@ -170,7 +170,7 @@ int ubi_io_read(const struct ubi_device *ubi, void *buf, int pnum, int offset,
addr = (loff_t)pnum * ubi->peb_size + offset;
retry:
err = ubi->mtd->read(ubi->mtd, addr, len, &read, buf);
err = mtd_read(ubi->mtd, addr, len, &read, buf);
if (err) {
const char *errstr = mtd_is_eccerr(err) ? " (ECC error)" : "";
@ -289,7 +289,7 @@ int ubi_io_write(struct ubi_device *ubi, const void *buf, int pnum, int offset,
}
addr = (loff_t)pnum * ubi->peb_size + offset;
err = ubi->mtd->write(ubi->mtd, addr, len, &written, buf);
err = mtd_write(ubi->mtd, addr, len, &written, buf);
if (err) {
ubi_err("error %d while writing %d bytes to PEB %d:%d, written "
"%zd bytes", err, len, pnum, offset, written);
@ -361,7 +361,7 @@ retry:
ei.callback = erase_callback;
ei.priv = (unsigned long)&wq;
err = ubi->mtd->erase(ubi->mtd, &ei);
err = mtd_erase(ubi->mtd, &ei);
if (err) {
if (retries++ < UBI_IO_RETRIES) {
dbg_io("error %d while erasing PEB %d, retry",
@ -525,11 +525,10 @@ static int nor_erase_prepare(struct ubi_device *ubi, int pnum)
* the header comment in scan.c for more information).
*/
addr = (loff_t)pnum * ubi->peb_size;
err = ubi->mtd->write(ubi->mtd, addr, 4, &written, (void *)&data);
err = mtd_write(ubi->mtd, addr, 4, &written, (void *)&data);
if (!err) {
addr += ubi->vid_hdr_aloffset;
err = ubi->mtd->write(ubi->mtd, addr, 4, &written,
(void *)&data);
err = mtd_write(ubi->mtd, addr, 4, &written, (void *)&data);
if (!err)
return 0;
}
@ -635,7 +634,7 @@ int ubi_io_is_bad(const struct ubi_device *ubi, int pnum)
if (ubi->bad_allowed) {
int ret;
ret = mtd->block_isbad(mtd, (loff_t)pnum * ubi->peb_size);
ret = mtd_block_isbad(mtd, (loff_t)pnum * ubi->peb_size);
if (ret < 0)
ubi_err("error %d while checking if PEB %d is bad",
ret, pnum);
@ -670,7 +669,7 @@ int ubi_io_mark_bad(const struct ubi_device *ubi, int pnum)
if (!ubi->bad_allowed)
return 0;
err = mtd->block_markbad(mtd, (loff_t)pnum * ubi->peb_size);
err = mtd_block_markbad(mtd, (loff_t)pnum * ubi->peb_size);
if (err)
ubi_err("cannot mark PEB %d bad, error %d", pnum, err);
return err;
@ -1357,7 +1356,7 @@ int ubi_dbg_check_write(struct ubi_device *ubi, const void *buf, int pnum,
return 0;
}
err = ubi->mtd->read(ubi->mtd, addr, len, &read, buf1);
err = mtd_read(ubi->mtd, addr, len, &read, buf1);
if (err && !mtd_is_bitflip(err))
goto out_free;
@ -1421,7 +1420,7 @@ int ubi_dbg_check_all_ff(struct ubi_device *ubi, int pnum, int offset, int len)
return 0;
}
err = ubi->mtd->read(ubi->mtd, addr, len, &read, buf);
err = mtd_read(ubi->mtd, addr, len, &read, buf);
if (err && !mtd_is_bitflip(err)) {
ubi_err("error %d while reading %d bytes from PEB %d:%d, "
"read %zd bytes", err, len, pnum, offset, read);

4
drivers/mtd/ubi/kapi.c
View file

@ -714,9 +714,7 @@ int ubi_sync(int ubi_num)
if (!ubi)
return -ENODEV;
if (ubi->mtd->sync)
ubi->mtd->sync(ubi->mtd);
mtd_sync(ubi->mtd);
ubi_put_device(ubi);
return 0;
}