[PATCH v2 1/3] pwm: ftm: fix one bug of wrong counting the use counter.

From: Xiubo Li
Date: Wed Oct 15 2014 - 01:22:49 EST


No matter what times the FTM pwm is enabled, the use_count will
always be one.

Signed-off-by: Xiubo Li <Li.Xiubo@xxxxxxxxxxxxx>
---
drivers/pwm/pwm-fsl-ftm.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/pwm/pwm-fsl-ftm.c b/drivers/pwm/pwm-fsl-ftm.c
index 0f2cc7e..1150598 100644
--- a/drivers/pwm/pwm-fsl-ftm.c
+++ b/drivers/pwm/pwm-fsl-ftm.c
@@ -299,7 +299,7 @@ static int fsl_counter_clock_enable(struct fsl_pwm_chip *fpc)
{
int ret;

- if (fpc->use_count != 0)
+ if (fpc->use_count++ != 0)
return 0;

/* select counter clock source */
@@ -316,8 +316,6 @@ static int fsl_counter_clock_enable(struct fsl_pwm_chip *fpc)
return ret;
}

- fpc->use_count++;
-
return 0;
}

--
2.1.0.27.g96db324

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