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authorAlim Akhtar <alim.akhtar@samsung.com>2018-05-06 15:44:15 +0530
committerMartin K. Petersen <martin.petersen@oracle.com>2018-05-18 10:43:19 -0400
commit1399c5b02c568700ba50ce1ec19c12e71b25c73d (patch)
tree70d859d2466bdf2de1e8e3a54faaac17bb4a3c3a /drivers/scsi/ufs/ufshcd.h
parentbbe21d7a979245902113e171fdb36b57812b3c3b (diff)
scsi: ufs: add quirk to fix mishandling utrlclr/utmrlclr
In the right behavior, setting the bit to '0' indicates clear and '1' indicates no change. If host controller handles this the other way, UFSHCI_QUIRK_BROKEN_REQ_LIST_CLR can be used. [mkp: typo] Signed-off-by: Seungwon Jeon <essuuj@gmail.com> Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com> Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org> Reviewed-by: "Asutosh Das (asd)" <asutoshd@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.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index 8110dcd04d22..09c285f62c6a 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -595,6 +595,11 @@ struct ufs_hba {
*/
#define UFSHCD_QUIRK_PRDT_BYTE_GRAN 0x80
+ /*
+ * Clear handling for transfer/task request list is just opposite.
+ */
+ #define UFSHCI_QUIRK_BROKEN_REQ_LIST_CLR 0x100
+
unsigned int quirks; /* Deviations from standard UFSHCI spec. */
/* Device deviations from standard UFS device spec. */