Re: [PATCH v2 05/11] ASoC: fsl_spdif: Use guard() for spin locks
From: Frank Li <hidden>
Date: 2026-06-15 14:17:19
Also in:
imx, linux-arm-kernel, linux-sound, lkml
On Mon, Jun 15, 2026 at 04:38:18PM +0700, phucduc.bui@gmail.com wrote:
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> ---
Reviewed-by: Frank Li <Frank.Li@nxp.com>
quoted hunk ↗ jump to hunk
sound/soc/fsl/fsl_spdif.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-)diff --git a/sound/soc/fsl/fsl_spdif.c b/sound/soc/fsl/fsl_spdif.c index 1b9be85b34c2..ad1206ed9882 100644 --- a/sound/soc/fsl/fsl_spdif.c +++ b/sound/soc/fsl/fsl_spdif.c@@ -853,17 +853,15 @@ static int fsl_spdif_subcode_get(struct snd_kcontrol *kcontrol, struct snd_soc_dai *cpu_dai = snd_kcontrol_chip(kcontrol); struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai); struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control; - unsigned long flags; int ret = -EAGAIN; - spin_lock_irqsave(&ctrl->ctl_lock, flags); + guard(spinlock_irqsave)(&ctrl->ctl_lock); if (ctrl->ready_buf) { int idx = (ctrl->ready_buf - 1) * SPDIF_UBITS_SIZE; memcpy(&ucontrol->value.iec958.subcode[0], &ctrl->subcode[idx], SPDIF_UBITS_SIZE); ret = 0; } - spin_unlock_irqrestore(&ctrl->ctl_lock, flags); return ret; }@@ -885,17 +883,15 @@ static int fsl_spdif_qget(struct snd_kcontrol *kcontrol, struct snd_soc_dai *cpu_dai = snd_kcontrol_chip(kcontrol); struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai); struct spdif_mixer_control *ctrl = &spdif_priv->fsl_spdif_control; - unsigned long flags; int ret = -EAGAIN; - spin_lock_irqsave(&ctrl->ctl_lock, flags); + guard(spinlock_irqsave)(&ctrl->ctl_lock); if (ctrl->ready_buf) { int idx = (ctrl->ready_buf - 1) * SPDIF_QSUB_SIZE; memcpy(&ucontrol->value.bytes.data[0], &ctrl->qsub[idx], SPDIF_QSUB_SIZE); ret = 0; } - spin_unlock_irqrestore(&ctrl->ctl_lock, flags); return ret; } --2.43.0