pwm: Add the pwm_is_enabled() helper

[deliverable/linux.git] / drivers / pwm / pwm-atmel.c

diff --git a/drivers/pwm/pwm-atmel.c b/drivers/pwm/pwm-atmel.c
index a947c9095d9d6fc99d2b66be702e915eaa26014c..b3b294de88e0a1d0bbe61ba6b79f7b7ca03b5d15 100644 (file)
--- a/drivers/pwm/pwm-atmel.c
+++ b/drivers/pwm/pwm-atmel.c
@@ -114,7 +114,7 @@ static int atmel_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
        u32 val;
        int ret;
 
-       if (test_bit(PWMF_ENABLED, &pwm->flags) && (period_ns != pwm->period)) {
+       if (pwm_is_enabled(pwm) && (period_ns != pwm->period)) {
                dev_err(chip->dev, "cannot change PWM period while enabled\n");
                return -EBUSY;
        }
@@ -176,7 +176,7 @@ static void atmel_pwm_config_v1(struct pwm_chip *chip, struct pwm_device *pwm,
         * If the PWM channel is enabled, only update CDTY by using the update
         * register, it needs to set bit 10 of CMR to 0
         */
-       if (test_bit(PWMF_ENABLED, &pwm->flags))
+       if (pwm_is_enabled(pwm))
                return;
        /*
         * If the PWM channel is disabled, write value to duty and period
@@ -191,7 +191,7 @@ static void atmel_pwm_config_v2(struct pwm_chip *chip, struct pwm_device *pwm,
 {
        struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip);
 
-       if (test_bit(PWMF_ENABLED, &pwm->flags)) {
+       if (pwm_is_enabled(pwm)) {
                /*
                 * If the PWM channel is enabled, using the duty update register
                 * to update the value.