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Commit 141f8165 authored by Zang Leigang's avatar Zang Leigang Committed by Martin K. Petersen
Browse files

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: 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>
parent 6593ccd8

drivers/scsi/ufs/ufshcd.c

+3 −1
Original line number Diff line number Diff line
@@ -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);

		}

	}