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path: root/drivers/scsi/sd.c
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Diffstat (limited to 'drivers/scsi/sd.c')
-rw-r--r--drivers/scsi/sd.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 01cefbb2d539..d53312c42547 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1124,6 +1124,8 @@ 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 +1792,9 @@ 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;