diff options
| author | Sahitya Tummala <stummala@codeaurora.org> | 2016-12-23 05:40:50 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-01-06 02:10:03 +0300 |
| commit | fcb0c4b08a18fe35c3adc594d3edc8e335ff7960 (patch) | |
| tree | 9d121a227c0a77473c2654aa686afe37f3ea3846 /drivers/scsi/ufs/ufshcd.h | |
| parent | b427411abb3d61c234cb7dd58bc9b9f92c0fd8cb (diff) | |
| download | linux-fcb0c4b08a18fe35c3adc594d3edc8e335ff7960.tar.xz | |
scsi: ufs: Add sysfs node to dynamically control clock scaling
Provide an option to enable/disable clock scaling during runtime.
Write 1/0 to "clkscale_enable" sysfs node to enable/disable clock
scaling.
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, 3 insertions, 1 deletions
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 0882ba67ccb1..bdd2284967f2 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -342,6 +342,8 @@ struct ufs_clk_scaling { bool is_busy_started; unsigned long tot_busy_t; unsigned long window_start_t; + struct device_attribute enable_attr; + bool is_allowed; }; /** @@ -580,7 +582,7 @@ static inline bool ufshcd_can_hibern8_during_gating(struct ufs_hba *hba) { return hba->caps & UFSHCD_CAP_HIBERN8_WITH_CLK_GATING; } -static inline int ufshcd_is_clkscaling_enabled(struct ufs_hba *hba) +static inline int ufshcd_is_clkscaling_supported(struct ufs_hba *hba) { return hba->caps & UFSHCD_CAP_CLK_SCALING; } |