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misc/ep93xx_pwm: remove ep93xx_pwm_write_dc() inline function

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

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Ryan Mallon <rmallon@gmail.com>
Cc: Matthieu Crapet <mcrapet@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2013-05-24 16:23:38 -07:00 committed by Greg Kroah-Hartman
parent 53e2e38089
commit aa919769c6
1 changed files with 6 additions and 9 deletions
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15
drivers/misc/ep93xx_pwm.c
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@ -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);