From 89a5c985f81a0b60f7522044938f76caf28075a6 Mon Sep 17 00:00:00 2001
From: Ulf Hansson <ulf.hansson@linaro.org>
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 <ulf.hansson@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
drivers/amba/bus.c | 29 ++++++++---------------------
1 file changed, 8 insertions(+), 21 deletions(-)
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