diff options
-rw-r--r-- | drivers/scsi/sd.c | 5 | ||||
-rw-r--r-- | include/scsi/scsi_device.h | 1 |
2 files changed, 6 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; diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index f6a9fe0ef09c..00b78763a1bf 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -134,6 +134,7 @@ struct scsi_device { unsigned no_start_on_add:1; /* do not issue start on add */ unsigned allow_restart:1; /* issue START_UNIT in error handler */ unsigned manage_start_stop:1; /* Let HLD (sd) manage start/stop */ + unsigned start_stop_pwr_cond:1; /* Set power cond. in START_STOP_UNIT */ unsigned no_uld_attach:1; /* disable connecting to upper level drivers */ unsigned select_no_atn:1; unsigned fix_capacity:1; /* READ_CAPACITY is too high by 1 */ |