diff options
| author | Sujit Reddy Thumma <sthumma@codeaurora.org> | 2013-10-01 04:47:52 +0530 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-22 10:55:30 -0700 |
| commit | ee7107e4f9eaebe4de9a2a9f8a754f9c9bf4281f (patch) | |
| tree | 811972791e5a56cfdde92423329e3b4a69a31cca | |
| parent | f0a4dc876f128c04dd5c93f54c53526ba7f4b058 (diff) | |
scsi: ufs: try read capacity (10) first
UFS 1.1 specification defines READ_CAPACTIY(16) as an optional
command. Hence, try READ_CAPACITY(10) first, if the device returns
0xFFFF_FFFF as returned logical block address then send
READ_CAPACITY(16) to read the actual device capacity.
Change-Id: I2690d26be967e6be4debdc773100c55ba751aa1f
Signed-off-by: Sujit Reddy Thumma <sthumma@codeaurora.org>
[subhashj@codeaurora.org: resolved trivial merge conflicts]
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 2e2a8711f587..6e38fd27d5dc 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -2958,6 +2958,8 @@ static int ufshcd_slave_alloc(struct scsi_device *sdev) /* REPORT SUPPORTED OPERATION CODES is not supported */ sdev->no_report_opcodes = 1; + /* try read capactiy (10) first as rc_16 is optional in UFS spec. */ + sdev->try_rc_10_first = 1; ufshcd_set_queue_depth(sdev); |