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authorBoris Brezillon <boris.brezillon@free-electrons.com>2015-07-01 11:21:48 +0300
committerThierry Reding <thierry.reding@gmail.com>2015-07-20 10:48:34 +0300
commita1cf42171a2e3c33cbc12bb037795caf0589149b (patch)
treeba54b84fff2198e8b0075373f4ade16979ec4a72 /include/linux/pwm.h
parent5c31252c4a86dc591c23f1a951edd52ad791ef0e (diff)
downloadlinux-a1cf42171a2e3c33cbc12bb037795caf0589149b.tar.xz
pwm: Constify PWM device where possible
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>
Diffstat (limited to 'include/linux/pwm.h')
-rw-r--r--include/linux/pwm.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/pwm.h b/include/linux/pwm.h
index ec34f4d9a9ee..d8f691339a45 100644
--- a/include/linux/pwm.h
+++ b/include/linux/pwm.h
@@ -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;
}