summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/sd.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2008-07-18 19:53:16 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-18 19:53:16 +0200
commit9b610fda0df5d0f0b0c64242e37441ad1b384aac (patch)
tree0ea14b15f2e6546f37fe18d8ac3dc83077ec0e55 /drivers/scsi/sd.c
parentnohz: prevent tick stop outside of the idle loop (diff)
parentMerge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/gi... (diff)
downloadlinux-9b610fda0df5d0f0b0c64242e37441ad1b384aac.tar.xz
linux-9b610fda0df5d0f0b0c64242e37441ad1b384aac.zip
Merge branch 'linus' into timers/nohz
Diffstat (limited to 'drivers/scsi/sd.c')
-rw-r--r--drivers/scsi/sd.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 01cefbb2d539..0c63947d8a9d 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -58,8 +58,8 @@
#include <scsi/scsi_host.h>
#include <scsi/scsi_ioctl.h>
#include <scsi/scsicam.h>
-#include <scsi/sd.h>
+#include "sd.h"
#include "scsi_logging.h"
MODULE_AUTHOR("Eric Youngdale");
@@ -295,11 +295,6 @@ static int sd_major(int major_idx)
}
}
-static inline struct scsi_disk *scsi_disk(struct gendisk *disk)
-{
- return container_of(disk->private_data, struct scsi_disk, driver);
-}
-
static struct scsi_disk *__scsi_disk_get(struct gendisk *disk)
{
struct scsi_disk *sdkp = NULL;
@@ -1124,6 +1119,8 @@ sd_spinup_disk(struct scsi_disk *sdkp)
cmd[1] = 1; /* Return immediately */
memset((void *) &cmd[2], 0, 8);
cmd[4] = 1; /* Start spin cycle */
+ if (sdkp->device->start_stop_pwr_cond)
+ cmd[4] |= 1 << 4;
scsi_execute_req(sdkp->device, cmd, DMA_NONE,
NULL, 0, &sshdr,
SD_TIMEOUT, SD_MAX_RETRIES);
@@ -1790,6 +1787,9 @@ static int sd_start_stop_device(struct scsi_disk *sdkp, int start)
if (start)
cmd[4] |= 1; /* START */
+ if (sdp->start_stop_pwr_cond)
+ cmd[4] |= start ? 1 << 4 : 3 << 4; /* Active or Standby */
+
if (!scsi_device_online(sdp))
return -ENODEV;