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| author |   Yaniv Gardi <ygardi@codeaurora.org> | 2015-05-17 18:55:03 +0300 |
|---|---|---|
| committer |   James Bottomley <JBottomley@Odin.com> | 2015-06-02 13:17:34 -0700 |
| commit | 874237f7f2aae61d166613cc191238d8335087f8 (patch) | |
| tree | 3032d63c16e92edaecabe33ec82898dffcc0a36d /drivers/scsi/ufs/ufshcd.h | |
| parent | scsi: ufs-qcom: enable quirk to fix gear change to HS (diff) | |
| download | linux-dev-874237f7f2aae61d166613cc191238d8335087f8.tar.xz linux-dev-874237f7f2aae61d166613cc191238d8335087f8.zip | |
scsi: ufs: introduce UFSHCD_QUIRK_DME_PEER_ACCESS_AUTO_MODE quirk
Some UFS host controllers may only allow accessing the peer DME attribute
in AUTO mode (FAST AUTO or SLOW AUTO) hence we had added a quirk for
switching to AUTO power mode before accessing the peer DME attribute.
Signed-off-by: Yaniv Gardi <ygardi@codeaurora.org>
Reviewed-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
Diffstat (limited to 'drivers/scsi/ufs/ufshcd.h')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 8636ec970946..eb6831db1548 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -442,6 +442,13 @@ struct ufs_hba { */ #define UFSHCD_QUIRK_BROKEN_PA_RXHSUNTERMCAP UFS_BIT(3) + /* + * This quirk needs to be enabled if the host contoller only allows + * accessing the peer dme attributes in AUTO mode (FAST AUTO or + * SLOW AUTO). + */ + #define UFSHCD_QUIRK_DME_PEER_ACCESS_AUTO_MODE UFS_BIT(4) + unsigned int quirks; /* Deviations from standard UFSHCI spec. */ wait_queue_head_t tm_wq; |