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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2baf1d27109sm18309345ad.1.2026.05.08.03.39.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 May 2026 03:39:14 -0700 (PDT) From: phucduc.bui@gmail.com To: peter.ujfalusi@gmail.com, broonie@kernel.org Cc: lgirdwood@gmail.com, perex@perex.cz, tiwai@suse.com, jarkko.nikula@bitmer.com, linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, bui duc phuc Subject: [PATCH 4/7] ASoC: ti: omap-mcpdm: Use guard() for mutex locks Date: Fri, 8 May 2026 17:38:34 +0700 Message-ID: <20260508103837.138142-5-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260508103837.138142-1-phucduc.bui@gmail.com> References: <20260508103837.138142-1-phucduc.bui@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: bui duc phuc Clean up the code using guard() for mutex locks. Merely code refactoring, and no behavior change. Signed-off-by: bui duc phuc --- sound/soc/ti/omap-mcpdm.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/sound/soc/ti/omap-mcpdm.c b/sound/soc/ti/omap-mcpdm.c index 1a5d19937c64..c7d7b502f120 100644 --- a/sound/soc/ti/omap-mcpdm.c +++ b/sound/soc/ti/omap-mcpdm.c @@ -251,13 +251,11 @@ static int omap_mcpdm_dai_startup(struct snd_pcm_substream *substream, { struct omap_mcpdm *mcpdm = snd_soc_dai_get_drvdata(dai); - mutex_lock(&mcpdm->mutex); + guard(mutex)(&mcpdm->mutex); if (!snd_soc_dai_active(dai)) omap_mcpdm_open_streams(mcpdm); - mutex_unlock(&mcpdm->mutex); - return 0; } @@ -269,7 +267,7 @@ static void omap_mcpdm_dai_shutdown(struct snd_pcm_substream *substream, int stream1 = tx ? SNDRV_PCM_STREAM_PLAYBACK : SNDRV_PCM_STREAM_CAPTURE; int stream2 = tx ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; - mutex_lock(&mcpdm->mutex); + guard(mutex)(&mcpdm->mutex); if (!snd_soc_dai_active(dai)) { if (omap_mcpdm_active(mcpdm)) { @@ -287,8 +285,6 @@ static void omap_mcpdm_dai_shutdown(struct snd_pcm_substream *substream, cpu_latency_qos_remove_request(&mcpdm->pm_qos_req); mcpdm->latency[stream1] = 0; - - mutex_unlock(&mcpdm->mutex); } static int omap_mcpdm_dai_hw_params(struct snd_pcm_substream *substream, -- 2.43.0