From mboxrd@z Thu Jan 1 00:00:00 1970 From: s.hauer@pengutronix.de (Sascha Hauer) Date: Mon, 27 Apr 2015 08:49:54 +0200 Subject: [PATCH 1/4] tty: serial: 8250_mtk: remove unnecessary test In-Reply-To: <1430117397-13517-1-git-send-email-s.hauer@pengutronix.de> References: <1430117397-13517-1-git-send-email-s.hauer@pengutronix.de> Message-ID: <1430117397-13517-2-git-send-email-s.hauer@pengutronix.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org When the driver has probed successfully the clk pointer is always valid, so no need to test for it. Signed-off-by: Sascha Hauer --- drivers/tty/serial/8250/8250_mtk.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/drivers/tty/serial/8250/8250_mtk.c b/drivers/tty/serial/8250/8250_mtk.c index 7a11fac..1297827 100644 --- a/drivers/tty/serial/8250/8250_mtk.c +++ b/drivers/tty/serial/8250/8250_mtk.c @@ -214,10 +214,8 @@ static int mtk8250_remove(struct platform_device *pdev) pm_runtime_get_sync(&pdev->dev); serial8250_unregister_port(data->line); - if (!IS_ERR(data->uart_clk)) { - clk_disable_unprepare(data->uart_clk); - clk_put(data->uart_clk); - } + clk_disable_unprepare(data->uart_clk); + clk_put(data->uart_clk); pm_runtime_disable(&pdev->dev); pm_runtime_put_noidle(&pdev->dev); @@ -249,8 +247,7 @@ static int mtk8250_runtime_suspend(struct device *dev) { struct mtk8250_data *data = dev_get_drvdata(dev); - if (!IS_ERR(data->uart_clk)) - clk_disable_unprepare(data->uart_clk); + clk_disable_unprepare(data->uart_clk); return 0; } @@ -259,8 +256,7 @@ static int mtk8250_runtime_resume(struct device *dev) { struct mtk8250_data *data = dev_get_drvdata(dev); - if (!IS_ERR(data->uart_clk)) - clk_prepare_enable(data->uart_clk); + clk_prepare_enable(data->uart_clk); return 0; } -- 2.1.4