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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2d62e36e1besm18302235ad.53.2026.08.21.05.30.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Aug 2026 05:30:53 -0700 (PDT) From: phucduc.bui@gmail.com To: Mark Brown , Matthias Brugger Cc: Liam Girdwood , AngeloGioacchino Del Regno , Jaroslav Kysela , Takashi Iwai , Cezary Rojewski , linux-sound@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, bui duc phuc Subject: [PATCH v2 4/4] ASoC: mediatek: mt8186: Fix MCK error handling Date: Fri, 21 Aug 2026 19:30:21 +0700 Message-ID: <20260821123021.41390-5-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260821123021.41390-1-phucduc.bui@gmail.com> References: <20260821123021.41390-1-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 The mt8186_mck_enable() function returns immediately when a clock operation fails, leaving previously enabled clocks active. Add error paths to disable previously enabled clocks before returning the error. Fixes: 55b423d5623c ("ASoC: mediatek: mt8186: support audio clock control in platform driver") Signed-off-by: bui duc phuc --- sound/soc/mediatek/mt8186/mt8186-afe-clk.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) diff --git a/sound/soc/mediatek/mt8186/mt8186-afe-clk.c b/sound/soc/mediatek/mt8186/mt8186-afe-clk.c index d6b0174e2655..8cc8eb8022b5 100644 --- a/sound/soc/mediatek/mt8186/mt8186-afe-clk.c +++ b/sound/soc/mediatek/mt8186/mt8186-afe-clk.c @@ -528,7 +528,7 @@ int mt8186_mck_enable(struct mtk_base_afe *afe, int mck_id, int rate) if (ret) { dev_err(afe->dev, "%s(), clk_prepare_enable %s fail %d\n", __func__, aud_clks[m_sel_id], ret); - return ret; + goto ERR_ENABLE_MCLK; } ret = clk_set_parent(afe_priv->clk[m_sel_id], afe_priv->clk[apll_clk_id]); @@ -536,7 +536,7 @@ int mt8186_mck_enable(struct mtk_base_afe *afe, int mck_id, int rate) dev_err(afe->dev, "%s(), clk_set_parent %s-%s fail %d\n", __func__, aud_clks[m_sel_id], aud_clks[apll_clk_id], ret); - return ret; + goto ERR_SELECT_MCLK; } } @@ -545,16 +545,25 @@ int mt8186_mck_enable(struct mtk_base_afe *afe, int mck_id, int rate) if (ret) { dev_err(afe->dev, "%s(), clk_prepare_enable %s fail %d\n", __func__, aud_clks[div_clk_id], ret); - return ret; + goto ERR_ENABLE_MCLK_DIV; } ret = clk_set_rate(afe_priv->clk[div_clk_id], rate); if (ret) { dev_err(afe->dev, "%s(), clk_set_rate %s, rate %d, fail %d\n", __func__, aud_clks[div_clk_id], rate, ret); - return ret; + goto ERR_SET_MCLK_RATE; } return 0; + +ERR_SET_MCLK_RATE: + clk_disable_unprepare(afe_priv->clk[div_clk_id]); +ERR_ENABLE_MCLK_DIV: +ERR_SELECT_MCLK: + if (m_sel_id >= 0) + clk_disable_unprepare(afe_priv->clk[m_sel_id]); +ERR_ENABLE_MCLK: + return ret; } void mt8186_mck_disable(struct mtk_base_afe *afe, int mck_id) -- 2.43.0