diff options
| author | Mike Christie <michael.christie@oracle.com> | 2024-01-23 03:22:19 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2024-01-30 05:20:54 +0300 |
| commit | b8c3a7bac9b6cddeeb7cb82f3372310ecabf83ef (patch) | |
| tree | cc6ffbe06e7a6c6dc72a9496aa1c78dcfb4fe631 /drivers/ufs | |
| parent | b72f2d149e24747ff686c21b44e04762fc9d3a2f (diff) | |
| download | linux-b8c3a7bac9b6cddeeb7cb82f3372310ecabf83ef.tar.xz | |
scsi: ufs: Have midlayer retry start stop errors
This has the SCSI midlayer retry errors instead of driving them itself.
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Link: https://lore.kernel.org/r/20240123002220.129141-19-michael.christie@oracle.com
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/ufs')
| -rw-r--r-- | drivers/ufs/core/ufshcd.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 029d017fc1b6..5cd9509e0c31 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -9475,7 +9475,17 @@ static int ufshcd_execute_start_stop(struct scsi_device *sdev, struct scsi_sense_hdr *sshdr) { const unsigned char cdb[6] = { START_STOP, 0, 0, 0, pwr_mode << 4, 0 }; + struct scsi_failure failure_defs[] = { + { + .allowed = 2, + .result = SCMD_FAILURE_RESULT_ANY, + }, + }; + struct scsi_failures failures = { + .failure_definitions = failure_defs, + }; const struct scsi_exec_args args = { + .failures = &failures, .sshdr = sshdr, .req_flags = BLK_MQ_REQ_PM, .scmd_flags = SCMD_FAIL_IF_RECOVERING, @@ -9501,7 +9511,7 @@ static int ufshcd_set_dev_pwr_mode(struct ufs_hba *hba, struct scsi_sense_hdr sshdr; struct scsi_device *sdp; unsigned long flags; - int ret, retries; + int ret; spin_lock_irqsave(hba->host->host_lock, flags); sdp = hba->ufs_device_wlun; @@ -9527,15 +9537,7 @@ static int ufshcd_set_dev_pwr_mode(struct ufs_hba *hba, * callbacks hence set the RQF_PM flag so that it doesn't resume the * already suspended childs. */ - for (retries = 3; retries > 0; --retries) { - ret = ufshcd_execute_start_stop(sdp, pwr_mode, &sshdr); - /* - * scsi_execute() only returns a negative value if the request - * queue is dying. - */ - if (ret <= 0) - break; - } + ret = ufshcd_execute_start_stop(sdp, pwr_mode, &sshdr); if (ret) { sdev_printk(KERN_WARNING, sdp, "START_STOP failed for power mode: %d, result %x\n", |