diff options
| author | Zang Leigang <zangleigang@hisilicon.com> | 2017-04-04 19:32:20 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-04-12 12:41:19 +0200 |
| commit | a17bddc4a78102ab55c7dbf76018b91e85694b07 (patch) | |
| tree | 87a6f02eb90ac1140809e478f5412e4e1d56de34 /drivers/scsi | |
| parent | e94ed347105dff7619d52e24bb8c298c6d5d06fd (diff) | |
scsi: ufs: introduce a new ufshcd_statea UFSHCD_STATE_EH_SCHEDULED
[ Upstream commit 141f81651037ea109188a6bafdc5c9a318bd5a46 ]
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>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 6c75f2a0636d..926b58b99811 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -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); } } |