Commit a17bddc4 authored by Zang Leigang's avatar Zang Leigang Committed by Greg Kroah-Hartman

scsi: ufs: introduce a new ufshcd_statea UFSHCD_STATE_EH_SCHEDULED

[ Upstream commit 141f8165 ]

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: default avatarZang Leigang <zangleigang@hisilicon.com>
Reviewed-by: default avatarSubhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: default avatarSasha Levin <alexander.levin@verizon.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e94ed347
......@@ -123,6 +123,7 @@ enum {
UFSHCD_STATE_RESET,
UFSHCD_STATE_ERROR,
UFSHCD_STATE_OPERATIONAL,
UFSHCD_STATE_EH_SCHEDULED,
};
/* UFSHCD error handling flags */
......@@ -1439,6 +1440,7 @@ 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;
......@@ -4196,7 +4198,7 @@ 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);
}
}
......
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