diff options
| author | Sahitya Tummala <stummala@codeaurora.org> | 2016-12-23 05:40:39 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-01-06 02:10:03 +0300 |
| commit | b427411abb3d61c234cb7dd58bc9b9f92c0fd8cb (patch) | |
| tree | e11e9ffb2a8464e1f9c5960a8cb6756942cbd465 /drivers/scsi/ufs/ufshcd.h | |
| parent | e7d38257a40f880c6625fac33956d5e99dcd63a6 (diff) | |
| download | linux-b427411abb3d61c234cb7dd58bc9b9f92c0fd8cb.tar.xz | |
scsi: ufs: Add sysfs node to dynamically control clock gating
Provide an option to enable/disable clock gating during runtime.
Write 1 or 0 to "clkgate_enable" sysfs node to enable/disable
clock gating.
Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/ufs/ufshcd.h')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 08cd26ed2382..0882ba67ccb1 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -320,6 +320,8 @@ enum clk_gating_state { * @is_suspended: clk gating is suspended when set to 1 which can be used * during suspend/resume * @delay_attr: sysfs attribute to control delay_attr + * @enable_attr: sysfs attribute to enable/disable clock gating + * @is_enabled: Indicates the current status of clock gating * @active_reqs: number of requests that are pending and should be waited for * completion before gating clocks. */ @@ -330,6 +332,8 @@ struct ufs_clk_gating { unsigned long delay_ms; bool is_suspended; struct device_attribute delay_attr; + struct device_attribute enable_attr; + bool is_enabled; int active_reqs; }; |