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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-847a02cd237sm1165061b3a.32.2026.06.29.23.36.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 Jun 2026 23:36:50 -0700 (PDT) From: phucduc.bui@gmail.com To: Mark Brown , Takashi Iwai , Nick Li , Herve Codina Cc: Support Opensource , Liam Girdwood , Jaroslav Kysela , Srinivas Kandagatla , Charles Keepax , Richard Fitzgerald , Matthias Brugger , AngeloGioacchino Del Regno , Shenghao Ding , Kevin Lu , Baojun Xu , Sen Wang , Oder Chiou , Linus Walleij , Kuninori Morimoto , u.kleine-koenig@baylibre.com, Zhang Yi , Marco Crivellari , Kees Cook , HyeongJun An , Arnd Bergmann , Qianfeng Rong , linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, patches@opensource.cirrus.com, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, bui duc phuc Subject: [PATCH 11/27] ASoC: codecs: madera: Use guard() for mutex locks Date: Tue, 30 Jun 2026 13:34:33 +0700 Message-ID: <20260630063449.503996-12-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260630063449.503996-1-phucduc.bui@gmail.com> References: <20260630063449.503996-1-phucduc.bui@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260630_073653_135827_D77ED298 X-CRM114-Status: GOOD ( 16.03 ) 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/codecs/madera.c | 32 ++++++++++---------------------- 1 file changed, 10 insertions(+), 22 deletions(-) diff --git a/sound/soc/codecs/madera.c b/sound/soc/codecs/madera.c index 98d72db599d8..7f1db2a7e703 100644 --- a/sound/soc/codecs/madera.c +++ b/sound/soc/codecs/madera.c @@ -6,6 +6,7 @@ // Cirrus Logic International Semiconductor Ltd. // +#include #include #include #include @@ -513,7 +514,7 @@ int madera_domain_clk_ev(struct snd_soc_dapm_widget *w, * We can't rely on the DAPM mutex for locking because we need a lock * that can safely be called in hw_params */ - mutex_lock(&priv->rate_lock); + guard(mutex)(&priv->rate_lock); switch (event) { case SND_SOC_DAPM_PRE_PMU: @@ -532,8 +533,6 @@ int madera_domain_clk_ev(struct snd_soc_dapm_widget *w, madera_debug_dump_domain_groups(priv); - mutex_unlock(&priv->rate_lock); - return 0; } EXPORT_SYMBOL_GPL(madera_domain_clk_ev); @@ -875,9 +874,8 @@ static int madera_adsp_rate_get(struct snd_kcontrol *kcontrol, const int adsp_num = e->shift_l; int item; - mutex_lock(&priv->rate_lock); - cached_rate = priv->adsp_rate_cache[adsp_num]; - mutex_unlock(&priv->rate_lock); + scoped_guard(mutex, &priv->rate_lock) + cached_rate = priv->adsp_rate_cache[adsp_num]; item = snd_soc_enum_val_to_item(e, cached_rate); ucontrol->value.enumerated.item[0] = item; @@ -903,7 +901,7 @@ static int madera_adsp_rate_put(struct snd_kcontrol *kcontrol, * maintain consistent behaviour that rate domains cannot be changed * while in use since this is a hardware requirement */ - mutex_lock(&priv->rate_lock); + guard(mutex)(&priv->rate_lock); if (!madera_can_change_grp_rate(priv, priv->adsp[adsp_num].cs_dsp.base)) { dev_warn(priv->madera->dev, @@ -916,8 +914,6 @@ static int madera_adsp_rate_put(struct snd_kcontrol *kcontrol, ret = 1; } - mutex_unlock(&priv->rate_lock); - return ret; } @@ -1061,15 +1057,13 @@ int madera_rate_put(struct snd_kcontrol *kcontrol, * Prevent the domain powering up while we're checking whether it's * safe to change rate domain */ - mutex_lock(&priv->rate_lock); + guard(mutex)(&priv->rate_lock); val = snd_soc_component_read(component, e->reg); val >>= e->shift_l; val &= e->mask; - if (snd_soc_enum_item_to_val(e, item) == val) { - ret = 0; - goto out; - } + if (snd_soc_enum_item_to_val(e, item) == val) + return 0; if (!madera_can_change_grp_rate(priv, e->reg)) { dev_warn(priv->madera->dev, @@ -1082,8 +1076,6 @@ int madera_rate_put(struct snd_kcontrol *kcontrol, ret = snd_soc_put_enum_double(kcontrol, ucontrol); madera_spin_sysclk(priv); } -out: - mutex_unlock(&priv->rate_lock); return ret; } @@ -3041,12 +3033,11 @@ static int madera_hw_params_rate(struct snd_pcm_substream *substream, if ((cur & MADERA_AIF1_RATE_MASK) == (tar & MADERA_AIF1_RATE_MASK)) return 0; - mutex_lock(&priv->rate_lock); + guard(mutex)(&priv->rate_lock); if (!madera_can_change_grp_rate(priv, base + MADERA_AIF_RATE_CTRL)) { madera_aif_warn(dai, "Cannot change rate while active\n"); - ret = -EBUSY; - goto out; + return -EBUSY; } /* Guard the rate change with SYSCLK cycles */ @@ -3055,9 +3046,6 @@ static int madera_hw_params_rate(struct snd_pcm_substream *substream, MADERA_AIF1_RATE_MASK, tar); madera_spin_sysclk(priv); -out: - mutex_unlock(&priv->rate_lock); - return ret; } -- 2.43.0