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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-37a1eba8e9asm9936290a91.2.2026.06.15.02.40.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Jun 2026 02:40:34 -0700 (PDT) From: phucduc.bui@gmail.com To: Mark Brown Cc: Liam Girdwood , Jaroslav Kysela , Takashi Iwai , Shengjiu Wang , Xiubo Li , Frank Li , Fabio Estevam , Nicolin Chen , Sascha Hauer , Pengutronix Kernel Team , linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, bui duc phuc Subject: [PATCH v2 06/11] ASoC: fsl_ssi: Use guard() for mutex locks Date: Mon, 15 Jun 2026 16:38:19 +0700 Message-ID: <20260615093824.115751-7-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260615093824.115751-1-phucduc.bui@gmail.com> References: <20260615093824.115751-1-phucduc.bui@gmail.com> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list 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/fsl/fsl_ssi.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index b2e1da1781ae..dc022976c982 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -1218,13 +1218,13 @@ static void fsl_ssi_ac97_write(struct snd_ac97 *ac97, unsigned short reg, if (reg > 0x7f) return; - mutex_lock(&fsl_ac97_data->ac97_reg_lock); + guard(mutex)(&fsl_ac97_data->ac97_reg_lock); ret = clk_prepare_enable(fsl_ac97_data->clk); if (ret) { pr_err("ac97 write clk_prepare_enable failed: %d\n", ret); - goto ret_unlock; + return; } lreg = reg << 12; @@ -1238,9 +1238,6 @@ static void fsl_ssi_ac97_write(struct snd_ac97 *ac97, unsigned short reg, udelay(100); clk_disable_unprepare(fsl_ac97_data->clk); - -ret_unlock: - mutex_unlock(&fsl_ac97_data->ac97_reg_lock); } static unsigned short fsl_ssi_ac97_read(struct snd_ac97 *ac97, @@ -1252,12 +1249,12 @@ static unsigned short fsl_ssi_ac97_read(struct snd_ac97 *ac97, unsigned int lreg; int ret; - mutex_lock(&fsl_ac97_data->ac97_reg_lock); + guard(mutex)(&fsl_ac97_data->ac97_reg_lock); ret = clk_prepare_enable(fsl_ac97_data->clk); if (ret) { pr_err("ac97 read clk_prepare_enable failed: %d\n", ret); - goto ret_unlock; + return val; } lreg = (reg & 0x7f) << 12; @@ -1272,8 +1269,6 @@ static unsigned short fsl_ssi_ac97_read(struct snd_ac97 *ac97, clk_disable_unprepare(fsl_ac97_data->clk); -ret_unlock: - mutex_unlock(&fsl_ac97_data->ac97_reg_lock); return val; } -- 2.43.0