[PATCH 08/11] ASoC: imx-audio-rpmsg: Use guard() for spin locks
From: <hidden>
Date: 2026-06-12 13:27:41
Also in:
imx, linux-arm-kernel, linux-sound, lkml
Subsystem:
freescale soc sound drivers, sound, sound - soc layer / dynamic audio power management (asoc), the rest · Maintainers:
Shengjiu Wang, Xiubo Li, Jaroslav Kysela, Takashi Iwai, Liam Girdwood, Mark Brown, Linus Torvalds
From: bui duc phuc <redacted> Clean up the code using guard() for spin locks. Merely code refactoring, and no behavior change. Signed-off-by: bui duc phuc <redacted> --- 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