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authorLinus Torvalds <torvalds@linux-foundation.org>2011-10-27 08:41:50 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-27 08:41:50 +0200
commit18974369cfe23acf16d0fb79e0d1fba7a9a95ec0 (patch)
tree22367984dbd4c79e9635035e268c428444c40e76 /arch/arm/common/timer-sp.c
parent7e0a6fd5a4723c79cc46c9541e343092302e0e5b (diff)
parent196a57c2749119be4732cc2b2adb8aafcb4fcb14 (diff)
Merge branch 'clk' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm
* 'clk' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm: ARM: 7131/1: clkdev: Add Common Macro for clk_lookup clk: spi-pl022: convert to clk_prepare()/clk_unprepare() clk: timer-sp: convert to clk_prepare()/clk_unprepare() clk: sa1111: convert to clk_prepare()/clk_unprepare() clk: mmci: convert to clk_prepare()/clk_unprepare() clk: amba-pl011: convert to clk_prepare()/clk_unprepare() clk: amba-pl010: convert to clk_prepare()/clk_unprepare() clk: amba-clcd: convert to clk_prepare()/clk_unprepare() clk: amba bus: convert to clk_prepare()/clk_unprepare() clk: provide prepare/unprepare functions
Diffstat (limited to 'arch/arm/common/timer-sp.c')
-rw-r--r--arch/arm/common/timer-sp.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/common/timer-sp.c b/arch/arm/common/timer-sp.c
index 41df4787512..2393b5bc96f 100644
--- a/arch/arm/common/timer-sp.c
+++ b/arch/arm/common/timer-sp.c
@@ -41,9 +41,17 @@ static long __init sp804_get_clock_rate(const char *name)
return PTR_ERR(clk);
}
+ err = clk_prepare(clk);
+ if (err) {
+ pr_err("sp804: %s clock failed to prepare: %d\n", name, err);
+ clk_put(clk);
+ return err;
+ }
+
err = clk_enable(clk);
if (err) {
pr_err("sp804: %s clock failed to enable: %d\n", name, err);
+ clk_unprepare(clk);
clk_put(clk);
return err;
}
@@ -52,6 +60,7 @@ static long __init sp804_get_clock_rate(const char *name)
if (rate < 0) {
pr_err("sp804: %s clock failed to get rate: %ld\n", name, rate);
clk_disable(clk);
+ clk_unprepare(clk);
clk_put(clk);
}