diff mbox series

[v2] ufs: core: Combine ufshcd_mq_poll_cqe functions

Message ID 20230601225048.12228-1-stanley.chu@mediatek.com
State New
Headers show
Series [v2] ufs: core: Combine ufshcd_mq_poll_cqe functions | expand

Commit Message

Stanley Chu June 1, 2023, 10:50 p.m. UTC 
Currently, ufshcd_mcq_poll_cqe_nolock() is only called by
ufshcd_mcq_poll_cqe_lock() with the addition of a spinlock wrapper
for ufshcd_mcq_poll_cqe_nolock(). Combining these two functions
into one would result in cleaner code.

Reviewed-by: Bao D. Nguyen <quic_nguyenb@quicinc.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
---
 drivers/ufs/core/ufs-mcq.c | 17 ++++-------------
 1 file changed, 4 insertions(+), 13 deletions(-)

Comments

Bean Huo June 7, 2023, 8:41 a.m. UTC | #1 
On 02.06.23 12:50 AM, Stanley Chu wrote:
> Currently, ufshcd_mcq_poll_cqe_nolock() is only called by
> ufshcd_mcq_poll_cqe_lock() with the addition of a spinlock wrapper
> for ufshcd_mcq_poll_cqe_nolock(). Combining these two functions
> into one would result in cleaner code.
>
> Reviewed-by: Bao D. Nguyen<quic_nguyenb@quicinc.com>
> Signed-off-by: Stanley Chu<stanley.chu@mediatek.com>
Acked-by: Bean Huo <beanhuo@micron.com>
Martin K. Petersen June 8, 2023, 1:12 a.m. UTC | #2 
Stanley,

> Currently, ufshcd_mcq_poll_cqe_nolock() is only called by
> ufshcd_mcq_poll_cqe_lock() with the addition of a spinlock wrapper
> for ufshcd_mcq_poll_cqe_nolock(). Combining these two functions
> into one would result in cleaner code.

Applied to 6.5/scsi-staging, thanks!
diff mbox series

Patch

diff --git a/drivers/ufs/core/ufs-mcq.c b/drivers/ufs/core/ufs-mcq.c
index 920eb954f594..785fc9762cad 100644
--- a/drivers/ufs/core/ufs-mcq.c
+++ b/drivers/ufs/core/ufs-mcq.c
@@ -307,11 +307,13 @@  void ufshcd_mcq_compl_all_cqes_lock(struct ufs_hba *hba,
 	spin_unlock_irqrestore(&hwq->cq_lock, flags);
 }
 
-static unsigned long ufshcd_mcq_poll_cqe_nolock(struct ufs_hba *hba,
-						struct ufs_hw_queue *hwq)
+unsigned long ufshcd_mcq_poll_cqe_lock(struct ufs_hba *hba,
+				       struct ufs_hw_queue *hwq)
 {
 	unsigned long completed_reqs = 0;
+	unsigned long flags;
 
+	spin_lock_irqsave(&hwq->cq_lock, flags);
 	ufshcd_mcq_update_cq_tail_slot(hwq);
 	while (!ufshcd_mcq_is_cq_empty(hwq)) {
 		ufshcd_mcq_process_cqe(hba, hwq);
@@ -321,17 +323,6 @@  static unsigned long ufshcd_mcq_poll_cqe_nolock(struct ufs_hba *hba,
 
 	if (completed_reqs)
 		ufshcd_mcq_update_cq_head(hwq);
-
-	return completed_reqs;
-}
-
-unsigned long ufshcd_mcq_poll_cqe_lock(struct ufs_hba *hba,
-				       struct ufs_hw_queue *hwq)
-{
-	unsigned long completed_reqs, flags;
-
-	spin_lock_irqsave(&hwq->cq_lock, flags);
-	completed_reqs = ufshcd_mcq_poll_cqe_nolock(hba, hwq);
 	spin_unlock_irqrestore(&hwq->cq_lock, flags);
 
 	return completed_reqs;