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[52.192.197.227]) by smtp.gmail.com with ESMTPSA id e90sm12937626pfd.5.2016.10.22.07.33.51 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 22 Oct 2016 07:33:57 -0700 (PDT) From: Wei Yongjun To: Kishon Vijay Abraham I , Carlo Caione , Kevin Hilman Subject: [PATCH -next] phy: meson8b-usb2: fix missing clk_disable_unprepare() on error Date: Sat, 22 Oct 2016 14:33:42 +0000 Message-Id: <1477146822-31327-1-git-send-email-weiyj.lk@gmail.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20161022_073418_940301_413F3C75 X-CRM114-Status: UNSURE ( 8.33 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-amlogic@lists.infradead.org, Wei Yongjun , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Wei Yongjun Fix the missing clk_disable_unprepare() before return from phy_meson8b_usb2_power_on() in the error handling case. Signed-off-by: Wei Yongjun --- drivers/phy/phy-meson8b-usb2.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/phy/phy-meson8b-usb2.c b/drivers/phy/phy-meson8b-usb2.c index 73bf632..dca3947 100644 --- a/drivers/phy/phy-meson8b-usb2.c +++ b/drivers/phy/phy-meson8b-usb2.c @@ -158,6 +158,7 @@ static int phy_meson8b_usb2_power_on(struct phy *phy) ret = clk_prepare_enable(priv->clk_usb); if (ret) { dev_err(&phy->dev, "Failed to enable USB DDR clock\n"); + clk_disable_unprepare(priv->clk_usb_general); return ret; } @@ -190,6 +191,8 @@ static int phy_meson8b_usb2_power_on(struct phy *phy) if (phy_meson8b_usb2_read(priv, REG_ADP_BC) & REG_ADP_BC_ACA_PIN_FLOAT) { dev_warn(&phy->dev, "USB ID detect failed!\n"); + clk_disable_unprepare(priv->clk_usb); + clk_disable_unprepare(priv->clk_usb_general); return -EINVAL; } }