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| author | H Hartley Sweeten <hartleys@visionengravers.com> | 2013-05-25 01:23:38 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-30 14:54:02 +0200 |
| commit | aa919769c625e2b2c4a70c6bd62a1a83f9f64aa5 (patch) | |
| tree | e5485cddb20f703a9a778be321f9cda2bfe82f47 /drivers/misc/ep93xx_pwm.c | |
| parent | misc/ep93xx_pwm: remove ep93xx_pwm_write_tc() inline function (diff) | |
| download | linux-aa919769c625e2b2c4a70c6bd62a1a83f9f64aa5.tar.xz linux-aa919769c625e2b2c4a70c6bd62a1a83f9f64aa5.zip | |
misc/ep93xx_pwm: remove ep93xx_pwm_write_dc() inline function
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>
Diffstat (limited to 'drivers/misc/ep93xx_pwm.c')
| -rw-r--r-- | drivers/misc/ep93xx_pwm.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/misc/ep93xx_pwm.c b/drivers/misc/ep93xx_pwm.c index ab5a48135508..7a133042e92c 100644 --- a/drivers/misc/ep93xx_pwm.c +++ b/drivers/misc/ep93xx_pwm.c @@ -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); |