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| author | Boris Brezillon <boris.brezillon@free-electrons.com> | 2015-07-01 10:21:47 +0200 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@gmail.com> | 2015-07-20 09:46:06 +0200 |
| commit | 5c31252c4a86dc591c23f1a951edd52ad791ef0e (patch) | |
| tree | 4a955e92027bbf95cd5fc9222245c0e4c8810a43 /drivers/pwm/pwm-renesas-tpu.c | |
| parent | Linux 4.2-rc1 (diff) | |
| download | linux-5c31252c4a86dc591c23f1a951edd52ad791ef0e.tar.xz linux-5c31252c4a86dc591c23f1a951edd52ad791ef0e.zip | |
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>
Diffstat (limited to 'drivers/pwm/pwm-renesas-tpu.c')
| -rw-r--r-- | drivers/pwm/pwm-renesas-tpu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pwm/pwm-renesas-tpu.c b/drivers/pwm/pwm-renesas-tpu.c index ee63f9e9d0fb..075c1a764ba2 100644 --- a/drivers/pwm/pwm-renesas-tpu.c +++ b/drivers/pwm/pwm-renesas-tpu.c @@ -301,7 +301,7 @@ static int tpu_pwm_config(struct pwm_chip *chip, struct pwm_device *_pwm, pwm->duty = duty; /* If the channel is disabled we're done. */ - if (!test_bit(PWMF_ENABLED, &_pwm->flags)) + if (!pwm_is_enabled(_pwm)) return 0; if (duty_only && pwm->timer_on) { |