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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2c1663981basm239924075ad.67.2026.06.10.03.22.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Jun 2026 03:22:07 -0700 (PDT) From: phucduc.bui@gmail.com To: Mark Brown , Jerome Brunet Cc: Liam Girdwood , Neil Armstrong , Kevin Hilman , Martin Blumenstingl , Jaroslav Kysela , Takashi Iwai , linux-sound@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, bui duc phuc Subject: [PATCH] ASoC: meson: axg-tdm-formatter: Use guard() for mutex locks Date: Wed, 10 Jun 2026 17:21:53 +0700 Message-ID: <20260610102153.83367-1-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260610_032208_456344_92C225ED X-CRM114-Status: GOOD ( 12.63 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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/meson/axg-tdm-formatter.c | 22 ++++++++-------------- 1 file changed, 8 insertions(+), 14 deletions(-) diff --git a/sound/soc/meson/axg-tdm-formatter.c b/sound/soc/meson/axg-tdm-formatter.c index f451e4dce442..a6ba401104d5 100644 --- a/sound/soc/meson/axg-tdm-formatter.c +++ b/sound/soc/meson/axg-tdm-formatter.c @@ -157,20 +157,19 @@ static int axg_tdm_formatter_attach(struct axg_tdm_formatter *formatter) struct axg_tdm_stream *ts = formatter->stream; int ret = 0; - mutex_lock(&ts->lock); + guard(mutex)(&ts->lock); /* Catch up if the stream is already running when we attach */ if (ts->ready) { ret = axg_tdm_formatter_enable(formatter); if (ret) { pr_err("failed to enable formatter\n"); - goto out; + return ret; } } list_add_tail(&formatter->list, &ts->formatter_list); -out: - mutex_unlock(&ts->lock); + return ret; } @@ -178,9 +177,8 @@ static void axg_tdm_formatter_dettach(struct axg_tdm_formatter *formatter) { struct axg_tdm_stream *ts = formatter->stream; - mutex_lock(&ts->lock); - list_del(&formatter->list); - mutex_unlock(&ts->lock); + scoped_guard(mutex, &ts->lock) + list_del(&formatter->list); axg_tdm_formatter_disable(formatter); } @@ -330,7 +328,7 @@ int axg_tdm_stream_start(struct axg_tdm_stream *ts) struct axg_tdm_formatter *formatter; int ret = 0; - mutex_lock(&ts->lock); + guard(mutex)(&ts->lock); ts->ready = true; /* Start all the formatters attached to the stream */ @@ -338,12 +336,10 @@ int axg_tdm_stream_start(struct axg_tdm_stream *ts) ret = axg_tdm_formatter_enable(formatter); if (ret) { pr_err("failed to start tdm stream\n"); - goto out; + return ret; } } -out: - mutex_unlock(&ts->lock); return ret; } EXPORT_SYMBOL_GPL(axg_tdm_stream_start); @@ -352,15 +348,13 @@ void axg_tdm_stream_stop(struct axg_tdm_stream *ts) { struct axg_tdm_formatter *formatter; - mutex_lock(&ts->lock); + guard(mutex)(&ts->lock); ts->ready = false; /* Stop all the formatters attached to the stream */ list_for_each_entry(formatter, &ts->formatter_list, list) { axg_tdm_formatter_disable(formatter); } - - mutex_unlock(&ts->lock); } EXPORT_SYMBOL_GPL(axg_tdm_stream_stop); -- 2.43.0