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misc/ep93xx_pwm: remove ep93xx_pwm_read_tc() inline function

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This is a simple wrapper around readl(), 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 16:26:41 -07:00 committed by Greg Kroah-Hartman
parent d98d7903d1
commit 7501ba361f
1 changed files with 3 additions and 8 deletions
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11
drivers/misc/ep93xx_pwm.c
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@ -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);