[PATCH 08/11] ASoC: imx-audio-rpmsg: Use guard() for spin locks

[phucduc.bui at gmail.com]

From: bui duc phuc <phucduc.bui at gmail.com>

Clean up the code using guard() for spin locks.
Merely code refactoring, and no behavior change.

Signed-off-by: bui duc phuc <phucduc.bui at gmail.com>
---
 sound/soc/fsl/imx-audio-rpmsg.c | 25 ++++++++++++-------------
 1 file changed, 12 insertions(+), 13 deletions(-)

diff --git a/sound/soc/fsl/imx-audio-rpmsg.c b/sound/soc/fsl/imx-audio-rpmsg.c
index 38aafb8954c7..b55dfbdb4502 100644
--- a/sound/soc/fsl/imx-audio-rpmsg.c
+++ b/sound/soc/fsl/imx-audio-rpmsg.c
@@ -22,7 +22,6 @@ static int imx_audio_rpmsg_cb(struct rpmsg_device *rpdev, void *data, int len,
 	struct rpmsg_r_msg *r_msg = (struct rpmsg_r_msg *)data;
 	struct rpmsg_info *info;
 	struct rpmsg_msg *msg;
-	unsigned long flags;
 
 	if (!rpmsg->rpmsg_pdev)
 		return 0;
@@ -37,21 +36,21 @@ static int imx_audio_rpmsg_cb(struct rpmsg_device *rpdev, void *data, int len,
 		/* TYPE C is notification from M core */
 		switch (r_msg->header.cmd) {
 		case TX_PERIOD_DONE:
-			spin_lock_irqsave(&info->lock[TX], flags);
-			msg = &info->msg[TX_PERIOD_DONE + MSG_TYPE_A_NUM];
-			msg->r_msg.param.buffer_tail =
-						r_msg->param.buffer_tail;
-			msg->r_msg.param.buffer_tail %= info->num_period[TX];
-			spin_unlock_irqrestore(&info->lock[TX], flags);
+			scoped_guard(spinlock_irqsave, &info->lock[TX]) {
+				msg = &info->msg[TX_PERIOD_DONE + MSG_TYPE_A_NUM];
+				msg->r_msg.param.buffer_tail =
+							r_msg->param.buffer_tail;
+				msg->r_msg.param.buffer_tail %= info->num_period[TX];
+			}
 			info->callback[TX](info->callback_param[TX]);
 			break;
 		case RX_PERIOD_DONE:
-			spin_lock_irqsave(&info->lock[RX], flags);
-			msg = &info->msg[RX_PERIOD_DONE + MSG_TYPE_A_NUM];
-			msg->r_msg.param.buffer_tail =
-						r_msg->param.buffer_tail;
-			msg->r_msg.param.buffer_tail %= info->num_period[1];
-			spin_unlock_irqrestore(&info->lock[RX], flags);
+			scoped_guard(spinlock_irqsave, &info->lock[RX]) {
+				msg = &info->msg[RX_PERIOD_DONE + MSG_TYPE_A_NUM];
+				msg->r_msg.param.buffer_tail =
+							r_msg->param.buffer_tail;
+				msg->r_msg.param.buffer_tail %= info->num_period[1];
+			}
 			info->callback[RX](info->callback_param[RX]);
 			break;
 		default:
-- 
2.43.0