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| author |  Jinyoung Choi <j-young.choi@samsung.com>
| 2022-08-04 16:54:44 +0900 |
|---|---|---|
| committer |  Martin K. Petersen <martin.petersen@oracle.com>
| 2022-08-22 23:15:11 -0400 |
| commit | 42f8c5cdb039f93f8d20f3e299aa6436775ee9d6 (patch) | |
| tree | 10b2f00449ccd47b1e16ee2a90f76dbbe4d2d725 /drivers/ufs/core/ufshcd-priv.h | |
| parent | scsi: ufs: wb: Add explicit flush sysfs attribute (diff) | |
| download | linux-42f8c5cdb039f93f8d20f3e299aa6436775ee9d6.tar.gz linux-42f8c5cdb039f93f8d20f3e299aa6436775ee9d6.tar.bz2 linux-42f8c5cdb039f93f8d20f3e299aa6436775ee9d6.zip | |
scsi: ufs: wb: Introduce ufshcd_is_wb_buf_flush_allowed()
The explicit flushing should check the following:
- UFSHCD_CAP_WB_EN
- UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL
Add helper to improve readability.
Link: https://lore.kernel.org/r/20220804075444epcms2p4a0520880262281f02be65ce0fe50602d@epcms2p4
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Acked-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Jinyoung Choi <j-young.choi@samsung.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/ufs/core/ufshcd-priv.h')
| -rw-r--r-- | drivers/ufs/core/ufshcd-priv.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/ufs/core/ufshcd-priv.h b/drivers/ufs/core/ufshcd-priv.h index 8f67db202d7b..d00dba17297d 100644 --- a/drivers/ufs/core/ufshcd-priv.h +++ b/drivers/ufs/core/ufshcd-priv.h @@ -26,6 +26,12 @@ static inline u8 ufshcd_wb_get_query_index(struct ufs_hba *hba) return 0; } +static inline bool ufshcd_is_wb_buf_flush_allowed(struct ufs_hba *hba) +{ + return ufshcd_is_wb_allowed(hba) && + !(hba->quirks & UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL); +} + #ifdef CONFIG_SCSI_UFS_HWMON void ufs_hwmon_probe(struct ufs_hba *hba, u8 mask); void ufs_hwmon_remove(struct ufs_hba *hba); |