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>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c
index 66d6f0c5c421..008dc646225e 100644
--- a/drivers/pwm/pwm-imx.c
+++ b/drivers/pwm/pwm-imx.c
@@ -114,7 +114,7 @@ static int imx_pwm_config_v2(struct pwm_chip *chip,
         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;