diff mbox

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

Message ID 1413350495-40980-2-git-send-email-Li.Xiubo@freescale.com
State Accepted
Headers show

Commit Message

Xiubo Li Oct. 15, 2014, 5:21 a.m. UTC
No matter what times the FTM pwm is enabled, the use_count will
always be one.

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

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;
 }