This is a note to let you know that I've just added the patch titled
pwm: spear: Fix checking return value of clk_enable() and clk_prepare()
to the 3.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
pwm-spear-fix-checking-return-value-of-clk_enable-and-clk_prepare.patch
and it can be found in the queue-3.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 563861cd633ae52932843477bb6ca3f1c9e2f78b Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@xxxxxxxxxx>
Date: Sat, 30 Mar 2013 20:43:22 +0800
Subject: pwm: spear: Fix checking return value of clk_enable() and clk_prepare()
From: Axel Lin <axel.lin@xxxxxxxxxx>
commit 563861cd633ae52932843477bb6ca3f1c9e2f78b upstream.
The logic to check return value of clk_enable() and clk_prepare() is reversed,
fix it.
Signed-off-by: Axel Lin <axel.lin@xxxxxxxxxx>
Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
Signed-off-by: Thierry Reding <thierry.reding@xxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/pwm/pwm-spear.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/drivers/pwm/pwm-spear.c
+++ b/drivers/pwm/pwm-spear.c
@@ -143,7 +143,7 @@ static int spear_pwm_enable(struct pwm_c
u32 val;
rc = clk_enable(pc->clk);
- if (!rc)
+ if (rc)
return rc;
val = spear_pwm_readl(pc, pwm->hwpwm, PWMCR);
@@ -209,12 +209,12 @@ static int spear_pwm_probe(struct platfo
pc->chip.npwm = NUM_PWM;
ret = clk_prepare(pc->clk);
- if (!ret)
+ if (ret)
return ret;
if (of_device_is_compatible(np, "st,spear1340-pwm")) {
ret = clk_enable(pc->clk);
- if (!ret) {
+ if (ret) {
clk_unprepare(pc->clk);
return ret;
}
Patches currently in stable-queue which might be from axel.lin@xxxxxxxxxx are
queue-3.9/pwm-spear-fix-checking-return-value-of-clk_enable-and-clk_prepare.patch
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