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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2baf1d27109sm18309345ad.1.2026.05.08.03.38.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 May 2026 03:38:59 -0700 (PDT) From: phucduc.bui@gmail.com To: peter.ujfalusi@gmail.com, broonie@kernel.org Cc: lgirdwood@gmail.com, perex@perex.cz, tiwai@suse.com, jarkko.nikula@bitmer.com, linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, bui duc phuc Subject: [PATCH 1/7] ASoC: ti: j721e-evm: Use guard() for mutex locks Date: Fri, 8 May 2026 17:38:31 +0700 Message-ID: <20260508103837.138142-2-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260508103837.138142-1-phucduc.bui@gmail.com> References: <20260508103837.138142-1-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/ti/j721e-evm.c | 25 +++++++++---------------- 1 file changed, 9 insertions(+), 16 deletions(-) diff --git a/sound/soc/ti/j721e-evm.c b/sound/soc/ti/j721e-evm.c index faa62c1a9b8e..8a3333aa32ee 100644 --- a/sound/soc/ti/j721e-evm.c +++ b/sound/soc/ti/j721e-evm.c @@ -263,7 +263,7 @@ static int j721e_audio_startup(struct snd_pcm_substream *substream) int ret = 0; int i; - mutex_lock(&priv->mutex); + guard(mutex)(&priv->mutex); domain->active++; @@ -303,7 +303,6 @@ static int j721e_audio_startup(struct snd_pcm_substream *substream) out: if (ret) domain->active--; - mutex_unlock(&priv->mutex); return ret; } @@ -323,30 +322,28 @@ static int j721e_audio_hw_params(struct snd_pcm_substream *substream, int ret; int i; - mutex_lock(&priv->mutex); + guard(mutex)(&priv->mutex); - if (domain->rate && domain->rate != params_rate(params)) { - ret = -EINVAL; - goto out; - } + if (domain->rate && domain->rate != params_rate(params)) + return -EINVAL; if (params_width(params) == 16) slot_width = 16; ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0x3, 0x3, 2, slot_width); if (ret && ret != -ENOTSUPP) - goto out; + return ret; for_each_rtd_codec_dais(rtd, i, codec_dai) { ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x3, 0x3, 2, slot_width); if (ret && ret != -ENOTSUPP) - goto out; + return ret; } ret = j721e_configure_refclk(priv, domain_id, params_rate(params)); if (ret) - goto out; + return ret; sysclk_rate = priv->hsdiv_rates[domain->parent_clk_id]; for_each_rtd_codec_dais(rtd, i, codec_dai) { @@ -356,7 +353,7 @@ static int j721e_audio_hw_params(struct snd_pcm_substream *substream, dev_err(priv->dev, "codec set_sysclk failed for %u Hz\n", sysclk_rate); - goto out; + return ret; } } @@ -371,8 +368,6 @@ static int j721e_audio_hw_params(struct snd_pcm_substream *substream, ret = 0; } -out: - mutex_unlock(&priv->mutex); return ret; } @@ -383,15 +378,13 @@ static void j721e_audio_shutdown(struct snd_pcm_substream *substream) unsigned int domain_id = rtd->dai_link->id; struct j721e_audio_domain *domain = &priv->audio_domains[domain_id]; - mutex_lock(&priv->mutex); + guard(mutex)(&priv->mutex); domain->active--; if (!domain->active) { domain->rate = 0; domain->active_link = 0; } - - mutex_unlock(&priv->mutex); } static const struct snd_soc_ops j721e_audio_ops = { -- 2.43.0