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Commit 7501ba36 authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
Browse files

misc/ep93xx_pwm: remove ep93xx_pwm_read_tc() inline function 



This is a simple wrapper around readl(), remove it.

Signed-off-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: default avatarArnd Bergmann <arnd@arndb.de>
Reviewed-by: default avatarRyan Mallon <rmallon@gmail.com>
Cc: Matthieu Crapet <mcrapet@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent d98d7903

drivers/misc/ep93xx_pwm.c

+3 −8
Original line number Diff line number Diff line
@@ -39,11 +39,6 @@ struct ep93xx_pwm { 
	u32		duty_percent;

};



static inline u16 ep93xx_pwm_read_tc(struct ep93xx_pwm *pwm)

{

	return readl(pwm->mmio_base + EP93XX_PWMx_TERM_COUNT);

}



static inline int ep93xx_pwm_is_enabled(struct ep93xx_pwm *pwm)

{

	return readl(pwm->mmio_base + EP93XX_PWMx_ENABLE) & 0x1;
@@ -91,7 +86,7 @@ static ssize_t ep93xx_pwm_get_freq(struct device *dev, 


	if (ep93xx_pwm_is_enabled(pwm)) {

		unsigned long rate = clk_get_rate(pwm->clk);

		u16 term = ep93xx_pwm_read_tc(pwm);

		u16 term = readl(pwm->mmio_base + EP93XX_PWMx_TERM_COUNT);



		return sprintf(buf, "%ld\n", rate / (term + 1));

	} else {
@@ -122,7 +117,7 @@ static ssize_t ep93xx_pwm_set_freq(struct device *dev, 
		if (val < 1)

			val = 1;



		term = ep93xx_pwm_read_tc(pwm);

		term = readl(pwm->mmio_base + EP93XX_PWMx_TERM_COUNT);

		duty = ((val + 1) * pwm->duty_percent / 100) - 1;



		/* If pwm is running, order is important */
@@ -165,7 +160,7 @@ static ssize_t ep93xx_pwm_set_duty_percent(struct device *dev, 
		return -EINVAL;



	if (val > 0 && val < 100) {

		u32 term = ep93xx_pwm_read_tc(pwm);

		u32 term = readl(pwm->mmio_base + EP93XX_PWMx_TERM_COUNT);

		u32 duty = ((term + 1) * val / 100) - 1;



		writel(duty, pwm->mmio_base + EP93XX_PWMx_DUTY_CYCLE);