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, 2 insertions, 2 deletions

diff --git a/drivers/pwm/pwm-bcm-kona.c b/drivers/pwm/pwm-bcm-kona.c
index 7af8fea2dc5b..dfdcf88279ae 100644
--- a/drivers/pwm/pwm-bcm-kona.c
+++ b/drivers/pwm/pwm-bcm-kona.c
@@ -134,7 +134,7 @@ static int kona_pwmc_config(struct pwm_chip *chip, struct pwm_device *pwm,
         }
 
         /* If the PWM channel is enabled, write the settings to the HW */
-        if (test_bit(PWMF_ENABLED, &pwm->flags)) {
+        if (pwm_is_enabled(pwm)) {
                 value = readl(kp->base + PRESCALE_OFFSET);
                 value &= ~PRESCALE_MASK(chan);
                 value |= prescale << PRESCALE_SHIFT(chan);
@@ -287,7 +287,7 @@ static int kona_pwmc_remove(struct platform_device *pdev)
         unsigned int chan;
 
         for (chan = 0; chan < kp->chip.npwm; chan++)
-                if (test_bit(PWMF_ENABLED, &kp->chip.pwms[chan].flags))
+                if (pwm_is_enabled(&kp->chip.pwms[chan]))
                         clk_disable_unprepare(kp->clk);
 
         return pwmchip_remove(&kp->chip);