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authorLinus Torvalds <torvalds@linux-foundation.org>2009-03-26 11:13:06 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-26 11:13:06 -0700
commitbc2fd381d8f9dbeb181f82286cdca1567e3d0def (patch)
treee03b088a8bc1052d8f851764d201a13366cb97ce /drivers/ide/ide-park.c
parent928a726b0e12184729900c076e13dbf1c511c96c (diff)
parent2ebe1d9efed5f232afc8d00901d0959c9814bce3 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (53 commits) ide: use try_to_identify() in ide_driveid_update() ide: clear drive IRQ after re-enabling local IRQs in ide_driveid_update() ide: sanitize SELECT_MASK() usage in ide_driveid_update() ide: classify device type in do_probe() ide: remove broken EXABYTENEST support ide: shorten timeout value in ide_driveid_update() ide: propagate AltStatus workarounds to ide_driveid_update() ide: fix kmalloc() failure handling in ide_driveid_update() mn10300: remove <asm/ide.h> frv: remove <asm/ide.h> ide: remove pciirq argument from ide_pci_setup_ports() ide: fix ->init_chipset method to return 'int' value ide: remove try_to_identify() wrapper ide: remove no longer needed IRQ auto-probing from try_to_identify() (v2) ide: remove no longer needed IRQ fallback code from hwif_init() amd74xx: remove no longer needed ->init_hwif method ide: remove no longer needed IDE_HFLAG[_FORCE]_LEGACY_IRQS ide: use ide_pci_is_in_compatibility_mode() in ide_pci_init_{one,two}() ide: use pci_get_legacy_ide_irq() in ide_pci_init_{one,two}() ide: handle IDE_HFLAG[_FORCE]_LEGACY_IRQS in ide_pci_init_{one,two}() ...
Diffstat (limited to 'drivers/ide/ide-park.c')
-rw-r--r--drivers/ide/ide-park.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/ide/ide-park.c b/drivers/ide/ide-park.c
index c875a957596..f30e52152fc 100644
--- a/drivers/ide/ide-park.c
+++ b/drivers/ide/ide-park.c
@@ -1,5 +1,6 @@
#include <linux/kernel.h>
#include <linux/ide.h>
+#include <linux/hdreg.h>
#include <linux/jiffies.h>
#include <linux/blkdev.h>
@@ -60,6 +61,30 @@ out:
return;
}
+ide_startstop_t ide_do_park_unpark(ide_drive_t *drive, struct request *rq)
+{
+ ide_task_t task;
+ struct ide_taskfile *tf = &task.tf;
+
+ memset(&task, 0, sizeof(task));
+ if (rq->cmd[0] == REQ_PARK_HEADS) {
+ drive->sleep = *(unsigned long *)rq->special;
+ drive->dev_flags |= IDE_DFLAG_SLEEPING;
+ tf->command = ATA_CMD_IDLEIMMEDIATE;
+ tf->feature = 0x44;
+ tf->lbal = 0x4c;
+ tf->lbam = 0x4e;
+ tf->lbah = 0x55;
+ task.tf_flags |= IDE_TFLAG_CUSTOM_HANDLER;
+ } else /* cmd == REQ_UNPARK_HEADS */
+ tf->command = ATA_CMD_CHK_POWER;
+
+ task.tf_flags |= IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
+ task.rq = rq;
+ drive->hwif->data_phase = task.data_phase = TASKFILE_NO_DATA;
+ return do_rw_taskfile(drive, &task);
+}
+
ssize_t ide_park_show(struct device *dev, struct device_attribute *attr,
char *buf)
{