From 89a5c985f81a0b60f7522044938f76caf28075a6 Mon Sep 17 00:00:00 2001 From: Ulf Hansson Date: Mon, 9 Dec 2013 10:39:13 +0100 Subject: ARM: 7915/1: amba: Convert to clk_prepare_enable and clk_disable_unprepare To simplify code and error handling let's use clk_prepare_enable and clk_disable_unprepare. No functional change. Signed-off-by: Ulf Hansson Signed-off-by: Russell King --- drivers/amba/bus.c | 29 ++++++++--------------------- 1 file changed, 8 insertions(+), 21 deletions(-) (limited to 'drivers/amba') diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c index b90dc1ec109d..ea1d8357f298 100644 --- a/drivers/amba/bus.c +++ b/drivers/amba/bus.c @@ -151,36 +151,23 @@ postcore_initcall(amba_init); static int amba_get_enable_pclk(struct amba_device *pcdev) { - struct clk *pclk = clk_get(&pcdev->dev, "apb_pclk"); int ret; - pcdev->pclk = pclk; + pcdev->pclk = clk_get(&pcdev->dev, "apb_pclk"); + if (IS_ERR(pcdev->pclk)) + return PTR_ERR(pcdev->pclk); - if (IS_ERR(pclk)) - return PTR_ERR(pclk); - - ret = clk_prepare(pclk); - if (ret) { - clk_put(pclk); - return ret; - } - - ret = clk_enable(pclk); - if (ret) { - clk_unprepare(pclk); - clk_put(pclk); - } + ret = clk_prepare_enable(pcdev->pclk); + if (ret) + clk_put(pcdev->pclk); return ret; } static void amba_put_disable_pclk(struct amba_device *pcdev) { - struct clk *pclk = pcdev->pclk; - - clk_disable(pclk); - clk_unprepare(pclk); - clk_put(pclk); + clk_disable_unprepare(pcdev->pclk); + clk_put(pcdev->pclk); } /* -- cgit v1.2.3