diff options
| author | Sujit Reddy Thumma <sthumma@codeaurora.org> | 2013-12-06 20:05:55 +0530 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-22 10:56:17 -0700 |
| commit | 8cdca82049843e1e7a4bdab2715c744b31e9ade7 (patch) | |
| tree | 1faa9f2ddd9b2bfed834463634a64a95225d05eb | |
| parent | 5443a50d5c6bf724263dceaf08277b1f1762229e (diff) | |
scsi: ufs: Override auto suspend tunables for ufs
Override auto suspend tunables for UFS device LUNs during
initialization so as to efficiently manage background operations
and the power consumption.
Change-Id: Id7ff9e8a5c83b7503a329e71936af3234a22895b
Signed-off-by: Sujit Reddy Thumma <sthumma@codeaurora.org>
[gbroner@codeaurora.org: fix minor merge conflicts]
Signed-off-by: Gilad Broner <gbroner@codeaurora.org>
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index f644d49f3adc..0ab04e2c1e66 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -101,6 +101,9 @@ /* Interrupt aggregation default timeout, unit: 40us */ #define INT_AGGR_DEF_TO 0x02 +/* default value of auto suspend is 3 seconds */ +#define UFSHCD_AUTO_SUSPEND_DELAY_MS 3000 /* millisecs */ + #define ufshcd_toggle_vreg(_dev, _vreg, _on) \ ({ \ int _ret; \ @@ -3183,6 +3186,9 @@ static int ufshcd_slave_configure(struct scsi_device *sdev) blk_queue_update_dma_pad(q, PRDT_DATA_BYTE_COUNT_PAD - 1); blk_queue_max_segment_size(q, PRDT_DATA_BYTE_COUNT_MAX); + sdev->autosuspend_delay = UFSHCD_AUTO_SUSPEND_DELAY_MS; + sdev->use_rpm_auto = 1; + return 0; } |