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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3081e5d0828sm24616275eec.10.2026.06.17.03.34.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jun 2026 03:34:59 -0700 (PDT) From: phucduc.bui@gmail.com To: Mark Brown Cc: Liam Girdwood , Jaroslav Kysela , Takashi Iwai , Cheng-Yi Chiang , Tzung-Bi Shih , Guenter Roeck , Benson Leung , David Rhodes , Richard Fitzgerald , povik+lin@cutebit.org, Charles Keepax , Support Opensource , Nick Li , Herve Codina , Srinivas Kandagatla , Matthias Brugger , AngeloGioacchino Del Regno , Shenghao Ding , Kevin Lu , Baojun Xu , Sen Wang , Oder Chiou , Lars-Peter Clausen , nuno.sa@analog.com, Steven Eckhoff , patches@opensource.cirrus.com, chrome-platform@lists.linux.dev, asahi@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, bui duc phuc Subject: [PATCH 13/78] ASoC: codecs: cs35l56: Use guard() for mutex locks Date: Wed, 17 Jun 2026 17:31:30 +0700 Message-ID: <20260617103235.449609-14-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260617103235.449609-1-phucduc.bui@gmail.com> References: <20260617103235.449609-1-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/codecs/cs35l56-shared.c | 6 ++-- sound/soc/codecs/cs35l56.c | 56 +++++++++++++++---------------- 2 files changed, 29 insertions(+), 33 deletions(-) diff --git a/sound/soc/codecs/cs35l56-shared.c b/sound/soc/codecs/cs35l56-shared.c index f14e2eaaa4ee..6cb835a5aaac 100644 --- a/sound/soc/codecs/cs35l56-shared.c +++ b/sound/soc/codecs/cs35l56-shared.c @@ -645,12 +645,12 @@ irqreturn_t cs35l56_irq(int irq, void *data) if (!cs35l56_base->init_done) return IRQ_NONE; - mutex_lock(&cs35l56_base->irq_lock); + guard(mutex)(&cs35l56_base->irq_lock); rv = pm_runtime_resume_and_get(cs35l56_base->dev); if (rv < 0) { dev_err(cs35l56_base->dev, "irq: failed to get pm_runtime: %d\n", rv); - goto err_unlock; + return ret; } regmap_read(cs35l56_base->regmap, CS35L56_IRQ1_STATUS, &val); @@ -692,8 +692,6 @@ irqreturn_t cs35l56_irq(int irq, void *data) err: pm_runtime_put(cs35l56_base->dev); -err_unlock: - mutex_unlock(&cs35l56_base->irq_lock); return ret; } diff --git a/sound/soc/codecs/cs35l56.c b/sound/soc/codecs/cs35l56.c index 570a68829ccd..98ebf38c9bb7 100644 --- a/sound/soc/codecs/cs35l56.c +++ b/sound/soc/codecs/cs35l56.c @@ -848,42 +848,40 @@ static void cs35l56_patch(struct cs35l56_private *cs35l56, bool firmware_missing if (ret) goto err; - mutex_lock(&cs35l56->base.irq_lock); + scoped_guard(mutex, &cs35l56->base.irq_lock) { + reinit_completion(&cs35l56->init_completion); - reinit_completion(&cs35l56->init_completion); - - cs35l56->soft_resetting = true; - cs35l56_system_reset(&cs35l56->base, !!cs35l56->sdw_peripheral); + cs35l56->soft_resetting = true; + cs35l56_system_reset(&cs35l56->base, !!cs35l56->sdw_peripheral); - if (cs35l56->sdw_peripheral) { - /* - * The system-reset causes the CS35L56 to detach from the bus. - * Wait for the manager to re-enumerate the CS35L56 and - * cs35l56_init() to run again. - */ - if (!wait_for_completion_timeout(&cs35l56->init_completion, - msecs_to_jiffies(5000))) { - dev_err(cs35l56->base.dev, "%s: init_completion timed out (SDW)\n", - __func__); - goto err_unlock; + if (cs35l56->sdw_peripheral) { + /* + * The system-reset causes the CS35L56 to detach from the bus. + * Wait for the manager to re-enumerate the CS35L56 and + * cs35l56_init() to run again. + */ + if (!wait_for_completion_timeout(&cs35l56->init_completion, + msecs_to_jiffies(5000))) { + dev_err(cs35l56->base.dev, "%s: init_completion timed out (SDW)\n", + __func__); + goto err; + } + } else if (cs35l56_init(cs35l56)) { + goto err; } - } else if (cs35l56_init(cs35l56)) { - goto err_unlock; - } - /* Check if the firmware is still reported missing */ - cs35l56_warn_if_firmware_missing(&cs35l56->base); + /* Check if the firmware is still reported missing */ + cs35l56_warn_if_firmware_missing(&cs35l56->base); - regmap_clear_bits(cs35l56->base.regmap, - cs35l56->base.fw_reg->prot_sts, - CS35L56_FIRMWARE_MISSING); - cs35l56->base.fw_patched = true; + regmap_clear_bits(cs35l56->base.regmap, + cs35l56->base.fw_reg->prot_sts, + CS35L56_FIRMWARE_MISSING); + cs35l56->base.fw_patched = true; - if (cs35l56_write_cal(cs35l56) == 0) - cs35l56_mbox_send(&cs35l56->base, CS35L56_MBOX_CMD_AUDIO_REINIT); + if (cs35l56_write_cal(cs35l56) == 0) + cs35l56_mbox_send(&cs35l56->base, CS35L56_MBOX_CMD_AUDIO_REINIT); + } -err_unlock: - mutex_unlock(&cs35l56->base.irq_lock); err: cs35l56_enable_sdw_interrupts(cs35l56); } -- 2.43.0