diff options
| author | Venkat Gopalakrishnan <venkatg@codeaurora.org> | 2016-10-04 10:01:31 -0700 |
|---|---|---|
| committer | Venkat Gopalakrishnan <venkatg@codeaurora.org> | 2016-10-10 17:13:38 -0700 |
| commit | dfd06cdff2c74deae4e08d759d39d63579a14885 (patch) | |
| tree | 183601a665c2a294f09a1984dd680474f97cad93 /drivers | |
| parent | e9239e3f350828c14e67c21469004c79ac71cd69 (diff) | |
scsi: ufs: reduce auto hibern8 timeout to save power
The PA_Hibern8Time and PA_TActivate time in most devices are well
under 1ms combined thereby the overall hibern8 enter/exit latencies
are under 1ms as well. Entering hibern8 as soon as possible saves
power consumption, hence reduce the auto hibern8 timeout to 1ms.
Change-Id: If58590fc397ec8eb88906c103247bb48710805db
Signed-off-by: Venkat Gopalakrishnan <venkatg@codeaurora.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index dcc2cb8193a1..d254faacfcfe 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -1948,6 +1948,7 @@ static void ufshcd_init_hibern8_on_idle(struct ufs_hba *hba) return; if (ufshcd_is_auto_hibern8_supported(hba)) { + hba->hibern8_on_idle.delay_ms = 1; hba->hibern8_on_idle.state = AUTO_HIBERN8; /* * Disable SW hibern8 enter on idle in case @@ -1955,13 +1956,13 @@ static void ufshcd_init_hibern8_on_idle(struct ufs_hba *hba) */ hba->caps &= ~UFSHCD_CAP_HIBERN8_ENTER_ON_IDLE; } else { + hba->hibern8_on_idle.delay_ms = 10; INIT_DELAYED_WORK(&hba->hibern8_on_idle.enter_work, ufshcd_hibern8_enter_work); INIT_WORK(&hba->hibern8_on_idle.exit_work, ufshcd_hibern8_exit_work); } - hba->hibern8_on_idle.delay_ms = 10; hba->hibern8_on_idle.is_enabled = true; hba->hibern8_on_idle.delay_attr.show = |