diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-26 11:13:06 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-26 11:13:06 -0700 |
commit | bc2fd381d8f9dbeb181f82286cdca1567e3d0def (patch) | |
tree | e03b088a8bc1052d8f851764d201a13366cb97ce /drivers/ide/ide-park.c | |
parent | 928a726b0e12184729900c076e13dbf1c511c96c (diff) | |
parent | 2ebe1d9efed5f232afc8d00901d0959c9814bce3 (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.c | 25 |
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) { |