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authorCan Guo <cang@codeaurora.org>2021-05-24 11:36:56 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2021-06-08 05:18:03 +0300
commit1cca0c3fdc91db15bbcd58c4dc49b7b97d0891fe (patch)
treeae88a944e60b4ddb2861c4842de0d3c47507c149 /drivers/scsi/ufs
parent80927822e8b6be46f488524cd7d5fe683de97fc4 (diff)
downloadlinux-1cca0c3fdc91db15bbcd58c4dc49b7b97d0891fe.tar.xz
scsi: ufs: Remove a redundant command completion logic in error handler
ufshcd_host_reset_and_restore() anyways completes all pending requests before starts re-probing, so there is no need to complete the command on the highest bit in tr_doorbell in advance. Link: https://lore.kernel.org/r/1621845419-14194-2-git-send-email-cang@codeaurora.org Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Stanley Chu <stanley.chu@mediatek.com> Reviewed-by: Bean Huo <beanhuo@micron.com> Signed-off-by: Can Guo <cang@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/ufs')
-rw-r--r--drivers/scsi/ufs/ufshcd.c13
1 files changed, 0 insertions, 13 deletions
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index bb567a4e3686..0680eff1f49f 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -6124,19 +6124,6 @@ lock_skip_pending_xfer_clear:
do_reset:
/* Fatal errors need reset */
if (needs_reset) {
- unsigned long max_doorbells = (1UL << hba->nutrs) - 1;
-
- /*
- * ufshcd_reset_and_restore() does the link reinitialization
- * which will need atleast one empty doorbell slot to send the
- * device management commands (NOP and query commands).
- * If there is no slot empty at this moment then free up last
- * slot forcefully.
- */
- if (hba->outstanding_reqs == max_doorbells)
- __ufshcd_transfer_req_compl(hba,
- (1UL << (hba->nutrs - 1)));
-
hba->force_reset = false;
spin_unlock_irqrestore(hba->host->host_lock, flags);
err = ufshcd_reset_and_restore(hba);