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-rw-r--r--include/ufs/ufshcd.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h
index a43b14276bc3..0fd2aebac728 100644
--- a/include/ufs/ufshcd.h
+++ b/include/ufs/ufshcd.h
@@ -676,6 +676,14 @@ enum ufshcd_quirks {
* the standard best practice for managing keys).
*/
UFSHCD_QUIRK_KEYS_IN_PRDT = 1 << 24,
+
+ /*
+ * This quirk indicates that the controller reports the value 1 (not
+ * supported) in the Legacy Single DoorBell Support (LSDBS) bit of the
+ * Controller Capabilities register although it supports the legacy
+ * single doorbell mode.
+ */
+ UFSHCD_QUIRK_BROKEN_LSDBS_CAP = 1 << 25,
};
enum ufshcd_caps {
@@ -1109,6 +1117,7 @@ struct ufs_hba {
bool ext_iid_sup;
bool scsi_host_added;
bool mcq_sup;
+ bool lsdb_sup;
bool mcq_enabled;
struct ufshcd_res_info res[RES_MAX];
void __iomem *mcq_base;