[PATCH 1/2] scsi: sd: set ready_to_power_off for scsi disk

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



The ready_to_power_off flag is used to give indication to ATA layer
if this device's power can be removed when runtime suspended.

This flag is determined by individual SCSI driver like sr, sd.

This flag is introduced to support zero power ODD. When ODD
is runtime suspended, it may not be OK to remove its power.

But for disk, it is always OK to be powered off, so set this flag.

Signed-off-by: Aaron Lu <aaron.lu@xxxxxxxxx>
---
 drivers/scsi/sd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 4df73e5..de786cf 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -2638,6 +2638,7 @@ static void sd_probe_async(void *data, async_cookie_t cookie)
 
 	sd_printk(KERN_NOTICE, sdkp, "Attached SCSI %sdisk\n",
 		  sdp->removable ? "removable " : "");
+	sdp->ready_to_power_off = 1;
 	scsi_autopm_put_device(sdp);
 	put_device(&sdkp->dev);
 }
-- 
1.7.12.21.g871e293

--
To unsubscribe from this list: send the line "unsubscribe linux-ide" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Filesystems]     [Linux SCSI]     [Linux RAID]     [Git]     [Kernel Newbies]     [Linux Newbie]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Samba]     [Device Mapper]

  Powered by Linux