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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b5fa9ff390sm192106545ad.9.2026.04.23.05.57.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Apr 2026 05:57:20 -0700 (PDT) From: phucduc.bui@gmail.com To: Mark Brown Cc: =?UTF-8?q?Martin=20Povi=C5=A1er?= , Liam Girdwood , Jaroslav Kysela , Takashi Iwai , asahi@lists.linux.dev, linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, bui duc phuc Subject: [PATCH 5/5] ASoC: samsung: spdif: Use guard() for spin locks Date: Thu, 23 Apr 2026 19:56:46 +0700 Message-ID: <20260423125646.156599-6-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260423125646.156599-1-phucduc.bui@gmail.com> References: <20260423125646.156599-1-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 spin locks. Merely code refactoring, and no behavior change. Signed-off-by: bui duc phuc --- sound/soc/samsung/spdif.c | 25 ++++++++----------------- 1 file changed, 8 insertions(+), 17 deletions(-) diff --git a/sound/soc/samsung/spdif.c b/sound/soc/samsung/spdif.c index fb30f6b637a0..7fc46d55c522 100644 --- a/sound/soc/samsung/spdif.c +++ b/sound/soc/samsung/spdif.c @@ -143,7 +143,6 @@ static int spdif_trigger(struct snd_pcm_substream *substream, int cmd, { struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); struct samsung_spdif_info *spdif = to_info(snd_soc_rtd_to_cpu(rtd, 0)); - unsigned long flags; dev_dbg(spdif->dev, "Entered %s\n", __func__); @@ -151,16 +150,14 @@ static int spdif_trigger(struct snd_pcm_substream *substream, int cmd, case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - spin_lock_irqsave(&spdif->lock, flags); - spdif_snd_txctrl(spdif, 1); - spin_unlock_irqrestore(&spdif->lock, flags); + scoped_guard(spinlock_irqsave, &spdif->lock) + spdif_snd_txctrl(spdif, 1); break; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - spin_lock_irqsave(&spdif->lock, flags); - spdif_snd_txctrl(spdif, 0); - spin_unlock_irqrestore(&spdif->lock, flags); + scoped_guard(spinlock_irqsave, &spdif->lock) + spdif_snd_txctrl(spdif, 0); break; default: return -EINVAL; @@ -182,7 +179,6 @@ static int spdif_hw_params(struct snd_pcm_substream *substream, void __iomem *regs = spdif->regs; struct snd_dmaengine_dai_dma_data *dma_data; u32 con, clkcon, cstas; - unsigned long flags; int i, ratio; dev_dbg(spdif->dev, "Entered %s\n", __func__); @@ -196,7 +192,7 @@ static int spdif_hw_params(struct snd_pcm_substream *substream, snd_soc_dai_set_dma_data(snd_soc_rtd_to_cpu(rtd, 0), substream, dma_data); - spin_lock_irqsave(&spdif->lock, flags); + guard(spinlock_irqsave)(&spdif->lock); con = readl(regs + CON) & CON_MASK; cstas = readl(regs + CSTAS) & CSTAS_MASK; @@ -214,7 +210,7 @@ static int spdif_hw_params(struct snd_pcm_substream *substream, break; default: dev_err(spdif->dev, "Unsupported data size.\n"); - goto err; + return -EINVAL; } ratio = spdif->clk_rate / params_rate(params); @@ -224,7 +220,7 @@ static int spdif_hw_params(struct snd_pcm_substream *substream, if (i == ARRAY_SIZE(spdif_sysclk_ratios)) { dev_err(spdif->dev, "Invalid clock ratio %ld/%d\n", spdif->clk_rate, params_rate(params)); - goto err; + return -EINVAL; } con &= ~CON_MCLKDIV_MASK; @@ -257,7 +253,7 @@ static int spdif_hw_params(struct snd_pcm_substream *substream, default: dev_err(spdif->dev, "Invalid sampling rate %d\n", params_rate(params)); - goto err; + return -EINVAL; } cstas &= ~CSTAS_CATEGORY_MASK; @@ -268,12 +264,7 @@ static int spdif_hw_params(struct snd_pcm_substream *substream, writel(cstas, regs + CSTAS); writel(clkcon, regs + CLKCON); - spin_unlock_irqrestore(&spdif->lock, flags); - return 0; -err: - spin_unlock_irqrestore(&spdif->lock, flags); - return -EINVAL; } static void spdif_shutdown(struct snd_pcm_substream *substream, -- 2.43.0