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UPSTREAM: scsi: ufs: Remove ufshcd_any_tag_in_use()

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Use hba->outstanding_reqs instead of ufshcd_any_tag_in_use(). This patch
prepares for removal of the blk_mq_start_request() call from
ufshcd_wait_for_dev_cmd(). blk_mq_tagset_busy_iter() only iterates over
started requests.

Link: https://lore.kernel.org/r/20211203231950.193369-8-bvanassche@acm.org
Tested-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Bug: 234653003
(cherry picked from commit bd0b353831)
Change-Id: I7adea1a3cc0a1290fb8b8f8731fcb5e10b03b8f9
Signed-off-by: Bart Van Assche <bvanassche@google.com>
This commit is contained in:
Bart Van Assche
2021-12-03 15:19:40 -08:00
committed by Bart Van Assche
parent 585d3a6a99
commit bda51ed6ae
1 changed files with 1 additions and 20 deletions
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21
drivers/scsi/ufs/ufshcd.c
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@@ -1389,25 +1389,6 @@ out:
return ret;
}
static bool ufshcd_is_busy(struct request *req, void *priv, bool reserved)
{
int *busy = priv;
WARN_ON_ONCE(reserved);
(*busy)++;
return false;
}
/* Whether or not any tag is in use by a request that is in progress. */
static bool ufshcd_any_tag_in_use(struct ufs_hba *hba)
{
struct request_queue *q = hba->cmd_queue;
int busy = 0;
blk_mq_tagset_busy_iter(q->tag_set, ufshcd_is_busy, &busy);
return busy;
}
static int ufshcd_devfreq_get_dev_status(struct device *dev,
struct devfreq_dev_status *stat)
{
@@ -1827,7 +1808,7 @@ static void ufshcd_gate_work(struct work_struct *work)
if (hba->clk_gating.active_reqs
|| hba->ufshcd_state != UFSHCD_STATE_OPERATIONAL
|| ufshcd_any_tag_in_use(hba) || hba->outstanding_tasks
|| hba->outstanding_reqs || hba->outstanding_tasks
|| hba->active_uic_cmd || hba->uic_async_done)
goto rel_lock;