Commit e9d866d5 authored by Uwe Kleine-König's avatar Uwe Kleine-König Committed by Thierry Reding
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pwm: vt8500: Rename pwm_busy_wait() to make it obviously driver-specific 



The pwm_ prefix suggests that pwm_busy_wait() is a function provided by
the pwm core. Use the otherwise consistently used driver prefix for this
function, too.

Signed-off-by: default avatarUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: default avatarThierry Reding <thierry.reding@gmail.com>
parent 76c40c22

drivers/pwm/pwm-vt8500.c

+8 −8
Original line number Diff line number Diff line
@@ -56,7 +56,7 @@ struct vt8500_chip { 
#define to_vt8500_chip(chip)	container_of(chip, struct vt8500_chip, chip)



#define msecs_to_loops(t) (loops_per_jiffy / 1000 * HZ * t)

static inline void pwm_busy_wait(struct vt8500_chip *vt8500, int nr, u8 bitmask)

static inline void vt8500_pwm_busy_wait(struct vt8500_chip *vt8500, int nr, u8 bitmask)

{

	int loops = msecs_to_loops(10);

	u32 mask = bitmask << (nr << 8);
@@ -106,18 +106,18 @@ static int vt8500_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, 
	dc = c;



	writel(prescale, vt8500->base + REG_SCALAR(pwm->hwpwm));

	pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_SCALAR_UPDATE);

	vt8500_pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_SCALAR_UPDATE);



	writel(pv, vt8500->base + REG_PERIOD(pwm->hwpwm));

	pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_PERIOD_UPDATE);

	vt8500_pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_PERIOD_UPDATE);



	writel(dc, vt8500->base + REG_DUTY(pwm->hwpwm));

	pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_DUTY_UPDATE);

	vt8500_pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_DUTY_UPDATE);



	val = readl(vt8500->base + REG_CTRL(pwm->hwpwm));

	val |= CTRL_AUTOLOAD;

	writel(val, vt8500->base + REG_CTRL(pwm->hwpwm));

	pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_CTRL_UPDATE);

	vt8500_pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_CTRL_UPDATE);



	clk_disable(vt8500->clk);

	return 0;
@@ -138,7 +138,7 @@ static int vt8500_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) 
	val = readl(vt8500->base + REG_CTRL(pwm->hwpwm));

	val |= CTRL_ENABLE;

	writel(val, vt8500->base + REG_CTRL(pwm->hwpwm));

	pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_CTRL_UPDATE);

	vt8500_pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_CTRL_UPDATE);



	return 0;

}
@@ -151,7 +151,7 @@ static void vt8500_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) 
	val = readl(vt8500->base + REG_CTRL(pwm->hwpwm));

	val &= ~CTRL_ENABLE;

	writel(val, vt8500->base + REG_CTRL(pwm->hwpwm));

	pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_CTRL_UPDATE);

	vt8500_pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_CTRL_UPDATE);



	clk_disable(vt8500->clk);

}
@@ -171,7 +171,7 @@ static int vt8500_pwm_set_polarity(struct pwm_chip *chip, 
		val &= ~CTRL_INVERT;



	writel(val, vt8500->base + REG_CTRL(pwm->hwpwm));

	pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_CTRL_UPDATE);

	vt8500_pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_CTRL_UPDATE);



	return 0;

}