pwm: Add the pwm_is_enabled() helper
Some PWM drivers are testing the PWMF_ENABLED flag. Create a helper
function to hide the logic behind enabled test. This will allow us to
smoothly move from the current approach to an atomic PWM update
approach.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c
index 66d6f0c..008dc64 100644
--- a/drivers/pwm/pwm-imx.c
+++ b/drivers/pwm/pwm-imx.c
@@ -114,7 +114,7 @@
unsigned long long c;
unsigned long period_cycles, duty_cycles, prescale;
unsigned int period_ms;
- bool enable = test_bit(PWMF_ENABLED, &pwm->flags);
+ bool enable = pwm_is_enabled(pwm);
int wait_count = 0, fifoav;
u32 cr, sr;