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| author | Axel Lin <axel.lin@ingics.com> | 2013-03-30 20:43:22 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-11 13:53:50 -0700 |
| commit | 228c19cd8f6d576dc6ab7d641b59aacc98952b9f (patch) | |
| tree | 4ae9306851e8b1f0a174960ee3d7e4255d635258 | |
| parent | c0b0e8d3666ccd7faa037a763cb6d837bf9c4f32 (diff) | |
| download | linux-stable-228c19cd8f6d576dc6ab7d641b59aacc98952b9f.tar.gz linux-stable-228c19cd8f6d576dc6ab7d641b59aacc98952b9f.tar.bz2 linux-stable-228c19cd8f6d576dc6ab7d641b59aacc98952b9f.zip | |
pwm: spear: Fix checking return value of clk_enable() and clk_prepare()
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@ingics.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/pwm/pwm-spear.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/pwm/pwm-spear.c b/drivers/pwm/pwm-spear.c index 83b21d9d5cf9..0c644e7d6b5a 100644 --- a/drivers/pwm/pwm-spear.c +++ b/drivers/pwm/pwm-spear.c @@ -143,7 +143,7 @@ static int spear_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) 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 platform_device *pdev) 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; } |