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Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

Browse source 
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (151 commits)
  powerpc: Fix usage of 64-bit instruction in 32-bit altivec code
  MAINTAINERS: Add PowerPC patterns
  powerpc/pseries: Track previous CPPR values to correctly EOI interrupts
  powerpc/pseries: Correct pseries/dlpar.c build break without CONFIG_SMP
  powerpc: Make "intspec" pointers in irq_host->xlate() const
  powerpc/8xx: DTLB Miss cleanup
  powerpc/8xx: Remove DIRTY pte handling in DTLB Error.
  powerpc/8xx: Start using dcbX instructions in various copy routines
  powerpc/8xx: Restore _PAGE_WRITETHRU
  powerpc/8xx: Add missing Guarded setting in DTLB Error.
  powerpc/8xx: Fixup DAR from buggy dcbX instructions.
  powerpc/8xx: Tag DAR with 0x00f0 to catch buggy instructions.
  powerpc/8xx: Update TLB asm so it behaves as linux mm expects.
  powerpc/8xx: Invalidate non present TLBs
  powerpc/pseries: Serialize cpu hotplug operations during deactivate Vs deallocate
  pseries/pseries: Add code to online/offline CPUs of a DLPAR node
  powerpc: stop_this_cpu: remove the cpu from the online map.
  powerpc/pseries: Add kernel based CPU DLPAR handling
  sysfs/cpu: Add probe/release files
  powerpc/pseries: Kernel DLPAR Infrastructure
  ...
This commit is contained in:
Linus Torvalds 2009-12-12 14:27:24 -08:00
commit 09cea96caa
234 changed files with 13126 additions and 2713 deletions
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94
drivers/ide/pmac.c
View file

@ -43,10 +43,7 @@
#include <asm/pmac_feature.h>
#include <asm/sections.h>
#include <asm/irq.h>
#ifndef CONFIG_PPC64
#include <asm/mediabay.h>
#endif
#define DRV_NAME "ide-pmac"
@ -59,13 +56,14 @@ typedef struct pmac_ide_hwif {
int irq;
int kind;
int aapl_bus_id;
unsigned mediabay : 1;
unsigned broken_dma : 1;
unsigned broken_dma_warn : 1;
struct device_node* node;
struct macio_dev *mdev;
u32 timings[4];
volatile u32 __iomem * *kauai_fcr;
ide_hwif_t *hwif;
/* Those fields are duplicating what is in hwif. We currently
* can't use the hwif ones because of some assumptions that are
* beeing done by the generic code about the kind of dma controller
@ -854,6 +852,11 @@ sanitize_timings(pmac_ide_hwif_t *pmif)
pmif->timings[2] = pmif->timings[3] = value2;
}
static int on_media_bay(pmac_ide_hwif_t *pmif)
{
return pmif->mdev && pmif->mdev->media_bay != NULL;
}
/* Suspend call back, should be called after the child devices
* have actually been suspended
*/
@ -866,7 +869,7 @@ static int pmac_ide_do_suspend(pmac_ide_hwif_t *pmif)
disable_irq(pmif->irq);
/* The media bay will handle itself just fine */
if (pmif->mediabay)
if (on_media_bay(pmif))
return 0;
/* Kauai has bus control FCRs directly here */
@ -889,7 +892,7 @@ static int pmac_ide_do_suspend(pmac_ide_hwif_t *pmif)
static int pmac_ide_do_resume(pmac_ide_hwif_t *pmif)
{
/* Hard reset & re-enable controller (do we really need to reset ? -BenH) */
if (!pmif->mediabay) {
if (!on_media_bay(pmif)) {
ppc_md.feature_call(PMAC_FTR_IDE_RESET, pmif->node, pmif->aapl_bus_id, 1);
ppc_md.feature_call(PMAC_FTR_IDE_ENABLE, pmif->node, pmif->aapl_bus_id, 1);
msleep(10);
@ -950,13 +953,11 @@ static void pmac_ide_init_dev(ide_drive_t *drive)
pmac_ide_hwif_t *pmif =
(pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent);
if (pmif->mediabay) {
#ifdef CONFIG_PMAC_MEDIABAY
if (check_media_bay_by_base(pmif->regbase, MB_CD) == 0) {
if (on_media_bay(pmif)) {
if (check_media_bay(pmif->mdev->media_bay) == MB_CD) {
drive->dev_flags &= ~IDE_DFLAG_NOPROBE;
return;
}
#endif
drive->dev_flags |= IDE_DFLAG_NOPROBE;
}
}
@ -1072,26 +1073,23 @@ static int __devinit pmac_ide_setup_device(pmac_ide_hwif_t *pmif,
writel(KAUAI_FCR_UATA_MAGIC |
KAUAI_FCR_UATA_RESET_N |
KAUAI_FCR_UATA_ENABLE, pmif->kauai_fcr);
pmif->mediabay = 0;
/* Make sure we have sane timings */
sanitize_timings(pmif);
host = ide_host_alloc(&d, hws, 1);
if (host == NULL)
return -ENOMEM;
hwif = host->ports[0];
/* If we are on a media bay, wait for it to settle and lock it */
if (pmif->mdev)
lock_media_bay(pmif->mdev->media_bay);
#ifndef CONFIG_PPC64
/* XXX FIXME: Media bay stuff need re-organizing */
if (np->parent && np->parent->name
&& strcasecmp(np->parent->name, "media-bay") == 0) {
#ifdef CONFIG_PMAC_MEDIABAY
media_bay_set_ide_infos(np->parent, pmif->regbase, pmif->irq,
hwif);
#endif /* CONFIG_PMAC_MEDIABAY */
pmif->mediabay = 1;
host = ide_host_alloc(&d, hws, 1);
if (host == NULL) {
rc = -ENOMEM;
goto bail;
}
hwif = pmif->hwif = host->ports[0];
if (on_media_bay(pmif)) {
/* Fixup bus ID for media bay */
if (!bidp)
pmif->aapl_bus_id = 1;
} else if (pmif->kind == controller_ohare) {
@ -1100,9 +1098,7 @@ static int __devinit pmac_ide_setup_device(pmac_ide_hwif_t *pmif,
* units, I keep the old way
*/
ppc_md.feature_call(PMAC_FTR_IDE_ENABLE, np, 0, 1);
} else
#endif
{
} else {
/* This is necessary to enable IDE when net-booting */
ppc_md.feature_call(PMAC_FTR_IDE_RESET, np, pmif->aapl_bus_id, 1);
ppc_md.feature_call(PMAC_FTR_IDE_ENABLE, np, pmif->aapl_bus_id, 1);
@ -1112,17 +1108,21 @@ static int __devinit pmac_ide_setup_device(pmac_ide_hwif_t *pmif,
}
printk(KERN_INFO DRV_NAME ": Found Apple %s controller (%s), "
"bus ID %d%s, irq %d\n", model_name[pmif->kind],
pmif->mdev ? "macio" : "PCI", pmif->aapl_bus_id,
pmif->mediabay ? " (mediabay)" : "", hw->irq);
"bus ID %d%s, irq %d\n", model_name[pmif->kind],
pmif->mdev ? "macio" : "PCI", pmif->aapl_bus_id,
on_media_bay(pmif) ? " (mediabay)" : "", hw->irq);
rc = ide_host_register(host, &d, hws);
if (rc) {
ide_host_free(host);
return rc;
}
if (rc)
pmif->hwif = NULL;
return 0;
if (pmif->mdev)
unlock_media_bay(pmif->mdev->media_bay);
bail:
if (rc && host)
ide_host_free(host);
return rc;
}
static void __devinit pmac_ide_init_ports(struct ide_hw *hw, unsigned long base)
@ -1362,6 +1362,25 @@ pmac_ide_pci_resume(struct pci_dev *pdev)
return rc;
}
#ifdef CONFIG_PMAC_MEDIABAY
static void pmac_ide_macio_mb_event(struct macio_dev* mdev, int mb_state)
{
pmac_ide_hwif_t *pmif =
(pmac_ide_hwif_t *)dev_get_drvdata(&mdev->ofdev.dev);
switch(mb_state) {
case MB_CD:
if (!pmif->hwif->present)
ide_port_scan(pmif->hwif);
break;
default:
if (pmif->hwif->present)
ide_port_unregister_devices(pmif->hwif);
}
}
#endif /* CONFIG_PMAC_MEDIABAY */
static struct of_device_id pmac_ide_macio_match[] =
{
{
@ -1386,6 +1405,9 @@ static struct macio_driver pmac_ide_macio_driver =
.probe = pmac_ide_macio_attach,
.suspend = pmac_ide_macio_suspend,
.resume = pmac_ide_macio_resume,
#ifdef CONFIG_PMAC_MEDIABAY
.mediabay_event = pmac_ide_macio_mb_event,
#endif
};
static const struct pci_device_id pmac_ide_pci_match[] = {