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| author | Yaniv Gardi <ygardi@codeaurora.org> | 2016-02-01 16:02:46 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-02-24 05:27:02 +0300 |
| commit | dc3c8d3a7d455859c58de8ccfaea5def6b512079 (patch) | |
| tree | 7c8d28b0fecbd1ffe507ca0de18601a636b44778 /drivers/scsi/ufs/ufshcd.h | |
| parent | 53c12d0ef6fcb77aaaa4640f3e17ffe2fd9cffa0 (diff) | |
| download | linux-dc3c8d3a7d455859c58de8ccfaea5def6b512079.tar.xz | |
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.h | 4 |
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); |