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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-10 22:19:17 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-10 22:19:17 +0400 |
| commit | abce00f962a11ed6f748c2569e11695a30716b53 (patch) | |
| tree | f76a7d999dc47bb84cc72b2691aa47080ef97262 /drivers/scsi/sd.c | |
| parent | 90160371b3a3e67ef78d68210a94dd30664a703d (diff) | |
| parent | 318893e1429a9d50569a0379d1e20b0ecc45c555 (diff) | |
| download | linux-abce00f962a11ed6f748c2569e11695a30716b53.tar.xz | |
Merge branch 'upstream-linus' of git://github.com/jgarzik/libata-dev
* 'upstream-linus' of git://github.com/jgarzik/libata-dev:
ahci: support the STA2X11 I/O Hub
pata_bf54x: fix BMIDE status register emulation
ata: add ata port hibernate callbacks
ata: update ata port's runtime status during system resume
[SCSI] runtime resume parent for child's system-resume
ahci: platform support for suspend/resume
libata-core: kill duplicate statement in ata_do_set_mode()
pata_of_platform: remove direct dependency on OF_IRQ
SATA/PATA: convert drivers/ata/* to use module_platform_driver()
pata_cs5536: forward port changes from cs5536
libata-sff: use ATAPI_{COD|IO}
ata: add ata port runtime PM callbacks
ata: add ata port system PM callbacks
[SCSI] sd: check runtime PM status in sd_shutdown
[SCSI] check runtime PM status in system PM
[SCSI] add flag to skip the runtime PM calls on the host
ata: make ata port as parent device of scsi host
ahci: start engine only during soft/hard resets
Diffstat (limited to 'drivers/scsi/sd.c')
| -rw-r--r-- | drivers/scsi/sd.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index fa3a5918009c..7b3f8075e2a5 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -50,6 +50,7 @@ #include <linux/string_helpers.h> #include <linux/async.h> #include <linux/slab.h> +#include <linux/pm_runtime.h> #include <asm/uaccess.h> #include <asm/unaligned.h> @@ -2741,6 +2742,9 @@ static void sd_shutdown(struct device *dev) if (!sdkp) return; /* this can happen */ + if (pm_runtime_suspended(dev)) + goto exit; + if (sdkp->WCE) { sd_printk(KERN_NOTICE, sdkp, "Synchronizing SCSI cache\n"); sd_sync_cache(sdkp); @@ -2751,6 +2755,7 @@ static void sd_shutdown(struct device *dev) sd_start_stop_device(sdkp, 0); } +exit: scsi_disk_put(sdkp); } |