openwrtv3/target/linux/ar71xx/patches-3.8/039-watchdog-ath79_wdt-convert-to-use-devm_clk_get.patch
Gabor Juhos 947bc9d36f ar71xx: add backported watchdog patches
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 35879
2013-03-04 12:08:28 +00:00

51 lines
1.3 KiB
Diff

From 7ddf72f2337b5f7790994df966c26cd1180e1585 Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Thu, 27 Dec 2012 15:38:24 +0100
Subject: [PATCH] watchdog: ath79_wdt: convert to use devm_clk_get
commit 5071a88475b758bf60191e53606463fe7290c71e upstream.
Use the managed version of clk_get. This allows to
simplify the probe/remove functions a bit.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---
drivers/watchdog/ath79_wdt.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
--- a/drivers/watchdog/ath79_wdt.c
+++ b/drivers/watchdog/ath79_wdt.c
@@ -229,13 +229,13 @@ static int ath79_wdt_probe(struct platfo
u32 ctrl;
int err;
- wdt_clk = clk_get(&pdev->dev, "wdt");
+ wdt_clk = devm_clk_get(&pdev->dev, "wdt");
if (IS_ERR(wdt_clk))
return PTR_ERR(wdt_clk);
err = clk_enable(wdt_clk);
if (err)
- goto err_clk_put;
+ return err;
wdt_freq = clk_get_rate(wdt_clk);
if (!wdt_freq) {
@@ -265,8 +265,6 @@ static int ath79_wdt_probe(struct platfo
err_clk_disable:
clk_disable(wdt_clk);
-err_clk_put:
- clk_put(wdt_clk);
return err;
}
@@ -274,7 +272,6 @@ static int ath79_wdt_remove(struct platf
{
misc_deregister(&ath79_wdt_miscdev);
clk_disable(wdt_clk);
- clk_put(wdt_clk);
return 0;
}