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authorZang Leigang2016-11-16 11:29:37 +0800
committerMartin K. Petersen2016-11-16 20:29:25 -0500
commit141f81651037ea109188a6bafdc5c9a318bd5a46 (patch)
treebba999727630f6537a9efc72c5366cd1a60a5c0b /drivers
parent6593ccd8002ca00a35e71aceb067aebeef165718 (diff)
scsi: ufs: introduce a new ufshcd_statea UFSHCD_STATE_EH_SCHEDULED
Add a new ufshcd_state, indicats that an err handler may get to run immediately. Use UFSHCD_STATE_ERROR here looks not literaly correct. Signed-off-by: Zang Leigang <zangleigang@hisilicon.com> Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/ufs/ufshcd.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 576b29c11d7a..421488161cf3 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -125,6 +125,7 @@ enum {
UFSHCD_STATE_RESET,
UFSHCD_STATE_ERROR,
UFSHCD_STATE_OPERATIONAL,
+ UFSHCD_STATE_EH_SCHEDULED,
};
/* UFSHCD error handling flags */
@@ -1450,6 +1451,7 @@ static int ufshcd_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
switch (hba->ufshcd_state) {
case UFSHCD_STATE_OPERATIONAL:
break;
+ case UFSHCD_STATE_EH_SCHEDULED:
case UFSHCD_STATE_RESET:
err = SCSI_MLQUEUE_HOST_BUSY;
goto out_unlock;
@@ -4212,7 +4214,7 @@ static void ufshcd_check_errors(struct ufs_hba *hba)
/* block commands from scsi mid-layer */
scsi_block_requests(hba->host);
- hba->ufshcd_state = UFSHCD_STATE_ERROR;
+ hba->ufshcd_state = UFSHCD_STATE_EH_SCHEDULED;
schedule_work(&hba->eh_work);
}
}