diff options
Diffstat (limited to 'drivers/pwm/core.c')
| -rw-r--r-- | drivers/pwm/core.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index f1ded8ce5ea4..9a4c720c88aa 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -59,22 +59,24 @@ static struct pwm_chip *pwmchip_find_by_name(const char *name) static int pwm_device_request(struct pwm_device *pwm, const char *label) { int err; + struct pwm_chip *chip = pwm->chip; + const struct pwm_ops *ops = chip->ops; if (test_bit(PWMF_REQUESTED, &pwm->flags)) return -EBUSY; - if (!try_module_get(pwm->chip->owner)) + if (!try_module_get(chip->owner)) return -ENODEV; - if (pwm->chip->ops->request) { - err = pwm->chip->ops->request(pwm->chip, pwm); + if (ops->request) { + err = ops->request(chip, pwm); if (err) { - module_put(pwm->chip->owner); + module_put(chip->owner); return err; } } - if (pwm->chip->ops->get_state) { + if (ops->get_state) { /* * Zero-initialize state because most drivers are unaware of * .usage_power. The other members of state are supposed to be @@ -84,7 +86,7 @@ static int pwm_device_request(struct pwm_device *pwm, const char *label) */ struct pwm_state state = { 0, }; - err = pwm->chip->ops->get_state(pwm->chip, pwm, &state); + err = ops->get_state(chip, pwm, &state); trace_pwm_get(pwm, &state, err); if (!err) |