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Mon, 09 Dec 2024 04:24:15 -0800 (PST) From: Krzysztof Kozlowski Date: Mon, 09 Dec 2024 13:24:06 +0100 Subject: [PATCH RESEND 3/3] clk: qcom: spmi-pmic-div: simplify locking with guard() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20241209-cleanup-h-guard-clk-qcom-v1-3-b1077540230c@linaro.org> References: <20241209-cleanup-h-guard-clk-qcom-v1-0-b1077540230c@linaro.org> In-Reply-To: <20241209-cleanup-h-guard-clk-qcom-v1-0-b1077540230c@linaro.org> To: Bjorn Andersson , Michael Turquette , Stephen Boyd Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1606; i=krzysztof.kozlowski@linaro.org; h=from:subject:message-id; bh=dXTvMwZ3IWa8w/PCirVYpiMdDockPwSZQVUAZm7Ua1o=; b=kA0DAAoBwTdm5oaLg9cByyZiAGdW4WqjVaZZPkcN8v9OPTJHUcgo366JtrL28bgL8+92JHHiT okCMwQAAQoAHRYhBN3SYig9ERsjO264qME3ZuaGi4PXBQJnVuFqAAoJEME3ZuaGi4PX+/cQAJk+ Nt95XiYbAfyAfpF+qC/Os14df5UkJTTbXxd/sOxHbKrDVc8xSx1fyqDWRaTcOD5Pe0wiD4glAzh FlXAenPqrW8yS3Vsne+gjpl3Yy9MknYypm+Wieyxvw3Uc0WUYJ9J3uf24bzJk/a0RGQIG/lq/Qw oOH6GoFnzTfQCDQeILelFLUkuYrnxQi+k1rs5rdVVL+8JYOBNoOVnjcA3DGFXvHmfWlV+f5xJcF JtcXMOUMZVrhra+7Tp7oLXbgaANGpci3rsCG+1cYV0OHsa0nqSivyPVfaIvX2PeBYJuiRUxbnBM /07FS0Cgmh4IYDM/zGJUQpXv66VARq3957sN/+kxJa3aOGa7KUjn8GQTZiu/pr5vr3QHA81ou76 CbqlYK4hEWS59pz/LAp5afj6TZIHqK+4v/oHQfttCrpGI+nojazSGCIlC0oA5Pkvz6rDlllc19n YEo90GQZW5Z06eYCyzJ2UocPPDpWsGI3vU9aNgpXoT4RYLSvrWUXLcLR3WyF72Vsa8mCH/oEVab oDk2Vl6hs7wb/GtKKh2ljMeeXrL1k+JuSnERSXmF7hPTqNNvlJF7bO7xJVX6MJZOtxhuz5ELHyT j8Je7O7bNIj7bs58E1Gfvfdo69Pk9YphLl8kHumVDITdXye1khfPUhziiSbxHT8okOoRoCITbw0 ymeVV X-Developer-Key: i=krzysztof.kozlowski@linaro.org; a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B Simplify error handling (less gotos) over locks with guard(). Signed-off-by: Krzysztof Kozlowski --- drivers/clk/qcom/clk-spmi-pmic-div.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/drivers/clk/qcom/clk-spmi-pmic-div.c b/drivers/clk/qcom/clk-sp= mi-pmic-div.c index f394031eb0e520b1b59e863dfbda4312f4f8215b..41a0a4f3b4fb316827365a52207= 9dcd99630c49f 100644 --- a/drivers/clk/qcom/clk-spmi-pmic-div.c +++ b/drivers/clk/qcom/clk-spmi-pmic-div.c @@ -3,6 +3,7 @@ */ =20 #include +#include #include #include #include @@ -140,30 +141,26 @@ static int clk_spmi_pmic_div_set_rate(struct clk_hw *= hw, unsigned long rate, { struct clkdiv *clkdiv =3D to_clkdiv(hw); unsigned int div_factor =3D div_to_div_factor(parent_rate / rate); - unsigned long flags; bool enabled; int ret; =20 - spin_lock_irqsave(&clkdiv->lock, flags); + guard(spinlock_irqsave)(&clkdiv->lock); + enabled =3D is_spmi_pmic_clkdiv_enabled(clkdiv); if (enabled) { ret =3D spmi_pmic_clkdiv_set_enable_state(clkdiv, false); if (ret) - goto unlock; + return ret; } =20 ret =3D regmap_update_bits(clkdiv->regmap, clkdiv->base + REG_DIV_CTL1, DIV_CTL1_DIV_FACTOR_MASK, div_factor); if (ret) - goto unlock; + return ret; =20 if (enabled) ret =3D __spmi_pmic_clkdiv_set_enable_state(clkdiv, true, div_factor); - -unlock: - spin_unlock_irqrestore(&clkdiv->lock, flags); - return ret; } =20 --=20 2.43.0