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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/core.c | |
| parent | d770e558e21961ad6cfdf0ff7df0eb5d7d4f0754 (diff) | |
| download | linux-5c31252c4a86dc591c23f1a951edd52ad791ef0e.tar.gz linux-5c31252c4a86dc591c23f1a951edd52ad791ef0e.tar.bz2 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/core.c')
| -rw-r--r-- | drivers/pwm/core.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index 3a7769fe53de..f7c11d2dec37 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -455,7 +455,7 @@ int pwm_set_polarity(struct pwm_device *pwm, enum pwm_polarity polarity) if (!pwm->chip->ops->set_polarity) return -ENOSYS; - if (test_bit(PWMF_ENABLED, &pwm->flags)) + if (pwm_is_enabled(pwm)) return -EBUSY; err = pwm->chip->ops->set_polarity(pwm->chip, pwm, polarity); @@ -853,7 +853,7 @@ static void pwm_dbg_show(struct pwm_chip *chip, struct seq_file *s) if (test_bit(PWMF_REQUESTED, &pwm->flags)) seq_puts(s, " requested"); - if (test_bit(PWMF_ENABLED, &pwm->flags)) + if (pwm_is_enabled(pwm)) seq_puts(s, " enabled"); seq_puts(s, "\n"); |