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pwm: Constify PWM device where possible

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The PWM argument is not modified in PWM property accessors, make it a
const argument so that the accessors can be used from sysfs.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Boris Brezillon 2015-07-01 10:21:48 +02:00 committed by Thierry Reding
parent 5c31252c4a
commit a1cf42171a
1 changed files with 2 additions and 2 deletions
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4
include/linux/pwm.h
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@ -103,7 +103,7 @@ static inline void pwm_set_period(struct pwm_device *pwm, unsigned int period)
pwm->period = period;
}
static inline unsigned int pwm_get_period(struct pwm_device *pwm)
static inline unsigned int pwm_get_period(const struct pwm_device *pwm)
{
return pwm ? pwm->period : 0;
}
@ -114,7 +114,7 @@ static inline void pwm_set_duty_cycle(struct pwm_device *pwm, unsigned int duty)
pwm->duty_cycle = duty;
}
static inline unsigned int pwm_get_duty_cycle(struct pwm_device *pwm)
static inline unsigned int pwm_get_duty_cycle(const struct pwm_device *pwm)
{
return pwm ? pwm->duty_cycle : 0;
}