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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-847f6d4dbdesm4728495b3a.31.2026.07.06.22.12.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Jul 2026 22:12:49 -0700 (PDT) From: phucduc.bui@gmail.com To: Mark Brown , Takashi Iwai , Tzung-Bi Shih , David Rhodes , Charles Keepax Cc: Liam Girdwood , Jaroslav Kysela , Cheng-Yi Chiang , Guenter Roeck , Benson Leung , Richard Fitzgerald , povik+lin@cutebit.org, u.kleine-koenig@baylibre.com, kuninori.morimoto.gx@renesas.com, christian.ehrhardt@codasip.com, Linus Walleij , Arnd Bergmann , Sakari Ailus , Thorsten Blum , Chris Morgan , Dan Carpenter , Marco Crivellari , Rosen Penev , Weidong Wang , Teguh Sobirin , Val Packett , Luca Weiss , wangdicheng , linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, patches@opensource.cirrus.com, chrome-platform@lists.linux.dev, asahi@lists.linux.dev, Cezary Rojewski , bui duc phuc Subject: [PATCH v3 13/24] ASoC: codecs: cs35l56: Use guard() and PM runtime scope helpers Date: Tue, 7 Jul 2026 12:09:55 +0700 Message-ID: <20260707051006.20058-14-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260707051006.20058-1-phucduc.bui@gmail.com> References: <20260707051006.20058-1-phucduc.bui@gmail.com> Precedence: bulk X-Mailing-List: chrome-platform@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: bui duc phuc Convert the interrupt handler to use guard(mutex) for automatic mutex unlocking and PM_RUNTIME_ACQUIRE_IF_ENABLED() to manage the runtime PM reference through scope-based cleanup. This removes the explicit cleanup paths while preserving the existing behavior. Signed-off-by: bui duc phuc --- Changes in v3: Remove unnecessary blank lines. Remove temporary variables and return directly. sound/soc/codecs/cs35l56-shared.c | 22 +++++++--------------- 1 file changed, 7 insertions(+), 15 deletions(-) diff --git a/sound/soc/codecs/cs35l56-shared.c b/sound/soc/codecs/cs35l56-shared.c index f14e2eaaa4ee..d5817e420847 100644 --- a/sound/soc/codecs/cs35l56-shared.c +++ b/sound/soc/codecs/cs35l56-shared.c @@ -640,23 +640,22 @@ irqreturn_t cs35l56_irq(int irq, void *data) unsigned int val; int rv; - irqreturn_t ret = IRQ_NONE; - 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); + PM_RUNTIME_ACQUIRE_IF_ENABLED(cs35l56_base->dev, pm); + rv = PM_RUNTIME_ACQUIRE_ERR(&pm); if (rv < 0) { dev_err(cs35l56_base->dev, "irq: failed to get pm_runtime: %d\n", rv); - goto err_unlock; + return IRQ_NONE; } regmap_read(cs35l56_base->regmap, CS35L56_IRQ1_STATUS, &val); if ((val & CS35L56_IRQ1_STS_MASK) == 0) { dev_dbg(cs35l56_base->dev, "Spurious IRQ: no pending interrupt\n"); - goto err; + return IRQ_NONE; } /* Ack interrupts */ @@ -680,7 +679,7 @@ irqreturn_t cs35l56_irq(int irq, void *data) /* Check to see if unmasked bits are active */ if (!status1 && !status8 && !status20) - goto err; + return IRQ_NONE; if (status1 & CS35L56_AMP_SHORT_ERR_EINT1_MASK) dev_crit(cs35l56_base->dev, "Amp short error\n"); @@ -688,14 +687,7 @@ irqreturn_t cs35l56_irq(int irq, void *data) if (status8 & CS35L56_TEMP_ERR_EINT1_MASK) dev_crit(cs35l56_base->dev, "Overtemp error\n"); - ret = IRQ_HANDLED; - -err: - pm_runtime_put(cs35l56_base->dev); -err_unlock: - mutex_unlock(&cs35l56_base->irq_lock); - - return ret; + return IRQ_HANDLED; } EXPORT_SYMBOL_NS_GPL(cs35l56_irq, "SND_SOC_CS35L56_SHARED"); -- 2.43.0