A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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Merge branch 'master' into for-next

Browse source 
Conflicts:
	MAINTAINERS
	arch/arm/mach-omap2/pm24xx.c
	drivers/scsi/bfa/bfa_fcpim.c

Needed to update to apply fixes for which the old branch was too
outdated.
This commit is contained in:
Jiri Kosina 2010-12-22 18:57:02 +01:00
commit 4b7bd36470
2029 changed files with 37852 additions and 20361 deletions
Download patch file Download diff file Expand all files Collapse all files

2
drivers/mtd/maps/pxa2xx-flash.c
View file

@ -51,7 +51,7 @@ struct pxa2xx_flash_info {
static const char *probes[] = { "RedBoot", "cmdlinepart", NULL };
static int __init pxa2xx_flash_probe(struct platform_device *pdev)
static int __devinit pxa2xx_flash_probe(struct platform_device *pdev)
{
struct flash_platform_data *flash = pdev->dev.platform_data;
struct pxa2xx_flash_info *info;

1
drivers/mtd/nand/omap2.c
View file

@ -7,7 +7,6 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#define CONFIG_MTD_NAND_OMAP_HWECC
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>

37
drivers/mtd/ubi/io.c
View file

@ -482,10 +482,17 @@ static int nor_erase_prepare(struct ubi_device *ubi, int pnum)
uint32_t data = 0;
struct ubi_vid_hdr vid_hdr;
addr = (loff_t)pnum * ubi->peb_size + ubi->vid_hdr_aloffset;
/*
* It is important to first invalidate the EC header, and then the VID
* header. Otherwise a power cut may lead to valid EC header and
* invalid VID header, in which case UBI will treat this PEB as
* corrupted and will try to preserve it, and print scary warnings (see
* 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);
if (!err) {
addr -= ubi->vid_hdr_aloffset;
addr += ubi->vid_hdr_aloffset;
err = ubi->mtd->write(ubi->mtd, addr, 4, &written,
(void *)&data);
if (!err)
@ -494,18 +501,24 @@ static int nor_erase_prepare(struct ubi_device *ubi, int pnum)
/*
* We failed to write to the media. This was observed with Spansion
* S29GL512N NOR flash. Most probably the eraseblock erasure was
* interrupted at a very inappropriate moment, so it became unwritable.
* In this case we probably anyway have garbage in this PEB.
* S29GL512N NOR flash. Most probably the previously eraseblock erasure
* was interrupted at a very inappropriate moment, so it became
* unwritable. In this case we probably anyway have garbage in this
* PEB.
*/
err1 = ubi_io_read_vid_hdr(ubi, pnum, &vid_hdr, 0);
if (err1 == UBI_IO_BAD_HDR_EBADMSG || err1 == UBI_IO_BAD_HDR)
/*
* The VID header is corrupted, so we can safely erase this
* PEB and not afraid that it will be treated as a valid PEB in
* case of an unclean reboot.
*/
return 0;
if (err1 == UBI_IO_BAD_HDR_EBADMSG || err1 == UBI_IO_BAD_HDR) {
struct ubi_ec_hdr ec_hdr;
err1 = ubi_io_read_ec_hdr(ubi, pnum, &ec_hdr, 0);
if (err1 == UBI_IO_BAD_HDR_EBADMSG || err1 == UBI_IO_BAD_HDR)
/*
* Both VID and EC headers are corrupted, so we can
* safely erase this PEB and not afraid that it will be
* treated as a valid PEB in case of an unclean reboot.
*/
return 0;
}
/*
* The PEB contains a valid VID header, but we cannot invalidate it.

20
drivers/mtd/ubi/scan.c
View file

@ -787,16 +787,15 @@ static int check_corruption(struct ubi_device *ubi, struct ubi_vid_hdr *vid_hdr,
* erased, so it became unstable and corrupted, and should be
* erased.
*/
return 0;
err = 0;
goto out_unlock;
}
if (err)
return err;
goto out_unlock;
if (ubi_check_pattern(ubi->peb_buf1, 0xFF, ubi->leb_size)) {
mutex_unlock(&ubi->buf_mutex);
return 0;
}
if (ubi_check_pattern(ubi->peb_buf1, 0xFF, ubi->leb_size))
goto out_unlock;
ubi_err("PEB %d contains corrupted VID header, and the data does not "
"contain all 0xFF, this may be a non-UBI PEB or a severe VID "
@ -806,8 +805,11 @@ static int check_corruption(struct ubi_device *ubi, struct ubi_vid_hdr *vid_hdr,
pnum, ubi->leb_start, ubi->leb_size);
ubi_dbg_print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, 32, 1,
ubi->peb_buf1, ubi->leb_size, 1);
err = 1;
out_unlock:
mutex_unlock(&ubi->buf_mutex);
return 1;
return err;
}
/**
@ -951,6 +953,10 @@ static int process_eb(struct ubi_device *ubi, struct ubi_scan_info *si,
* impossible to distinguish it from a PEB which just
* contains garbage because of a power cut during erase
* operation. So we just schedule this PEB for erasure.
*
* Besides, in case of NOR flash, we deliberatly
* corrupt both headers because NOR flash erasure is
* slow and can start from the end.
*/
err = 0;
else