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| author | Alim Akhtar <alim.akhtar@samsung.com> | 2020-05-28 03:16:50 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2020-06-15 20:04:07 +0200 |
| commit | b638b5eb624bd5d0766683b6181d578f414585e9 (patch) | |
| tree | 85bd038fd7b7fbf4003618ccbc632554f0a5dc71 /drivers/scsi/ufs/ufshcd.h | |
| parent | scsi: ufs: Add quirk to fix mishandling utrlclr/utmrlclr (diff) | |
| download | linux-b638b5eb624bd5d0766683b6181d578f414585e9.tar.xz linux-b638b5eb624bd5d0766683b6181d578f414585e9.zip | |
scsi: ufs: Add quirk to disallow reset of interrupt aggregation
Some host controllers support interrupt aggregation but don't allow
resetting counter and timer in software.
Link: https://lore.kernel.org/r/20200528011658.71590-3-alim.akhtar@samsung.com
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Seungwon Jeon <essuuj@gmail.com>
Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index ff0521a08365..354c82bff93c 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -525,6 +525,12 @@ enum ufshcd_quirks { * Clear handling for transfer/task request list is just opposite. */ UFSHCI_QUIRK_BROKEN_REQ_LIST_CLR = 1 << 6, + + /* + * This quirk needs to be enabled if host controller doesn't allow + * that the interrupt aggregation timer and counter are reset by s/w. + */ + UFSHCI_QUIRK_SKIP_RESET_INTR_AGGR = 1 << 7, }; enum ufshcd_caps { |