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authorYaniv Gardi <ygardi@codeaurora.org>2016-02-01 15:02:46 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2016-02-23 21:27:02 -0500
commitdc3c8d3a7d455859c58de8ccfaea5def6b512079 (patch)
tree7c8d28b0fecbd1ffe507ca0de18601a636b44778 /drivers/scsi/ufs/ufshcd.h
parent53c12d0ef6fcb77aaaa4640f3e17ffe2fd9cffa0 (diff)
scsi: ufs: retry failed query flag requests
UFS flag query requests may fail sometimes due to timeouts etc. Add a wrapper function to retry up to 10 times in case of such failure, similar to retries being made for attribute queries. Reviewed-by: Dolev Raviv <draviv@codeaurora.org> Signed-off-by: Gilad Broner <gbroner@codeaurora.org> Signed-off-by: Yaniv Gardi <ygardi@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.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index 2570d9477b37..8e22e6ca588b 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -3,6 +3,7 @@
*
* This code is based on drivers/scsi/ufs/ufshcd.h
* Copyright (C) 2011-2013 Samsung India Software Operations
+ * Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
*
* Authors:
* Santosh Yaraganavi <santosh.sy@samsung.com>
@@ -681,6 +682,9 @@ static inline int ufshcd_dme_peer_get(struct ufs_hba *hba,
return ufshcd_dme_get_attr(hba, attr_sel, mib_val, DME_PEER);
}
+/* Expose Query-Request API */
+int ufshcd_query_flag(struct ufs_hba *hba, enum query_opcode opcode,
+ enum flag_idn idn, bool *flag_res);
int ufshcd_hold(struct ufs_hba *hba, bool async);
void ufshcd_release(struct ufs_hba *hba);