Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit aa919769 authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
Browse files

misc/ep93xx_pwm: remove ep93xx_pwm_write_dc() inline function 



This is a simple wrapper around writel(), 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 53e2e380

drivers/misc/ep93xx_pwm.c

+6 −9
Original line number Diff line number Diff line
@@ -44,11 +44,6 @@ static inline u16 ep93xx_pwm_read_tc(struct ep93xx_pwm *pwm) 
	return readl(pwm->mmio_base + EP93XX_PWMx_TERM_COUNT);

}



static inline void ep93xx_pwm_write_dc(struct ep93xx_pwm *pwm, u16 value)

{

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

}



static inline void ep93xx_pwm_enable(struct ep93xx_pwm *pwm)

{

	writel(0x1, pwm->mmio_base + EP93XX_PWMx_ENABLE);
@@ -153,9 +148,9 @@ static ssize_t ep93xx_pwm_set_freq(struct device *dev, 
		/* If pwm is running, order is important */

		if (val > term) {

			writel(val, pwm->mmio_base + EP93XX_PWMx_TERM_COUNT);

			ep93xx_pwm_write_dc(pwm, duty);

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

		} else {

			ep93xx_pwm_write_dc(pwm, duty);

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

			writel(val, pwm->mmio_base + EP93XX_PWMx_TERM_COUNT);

		}
@@ -191,7 +186,9 @@ static ssize_t ep93xx_pwm_set_duty_percent(struct device *dev, 


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

		u32 term = ep93xx_pwm_read_tc(pwm);

		ep93xx_pwm_write_dc(pwm, ((term + 1) * val / 100) - 1);

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



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

		pwm->duty_percent = val;

		return count;

	}
@@ -286,7 +283,7 @@ static int __init ep93xx_pwm_probe(struct platform_device *pdev) 
	/* disable pwm at startup. Avoids zero value. */

	ep93xx_pwm_disable(pwm);

	writel(EP93XX_PWM_MAX_COUNT, pwm->mmio_base + EP93XX_PWMx_TERM_COUNT);

	ep93xx_pwm_write_dc(pwm, EP93XX_PWM_MAX_COUNT / 2);

	writel(EP93XX_PWM_MAX_COUNT/2, pwm->mmio_base + EP93XX_PWMx_DUTY_CYCLE);



	clk_enable(pwm->clk);