pwm: vt8500: Rename pwm_busy_wait() to make it obviously driver-specific

The pwm_ prefix suggests that pwm_busy_wait() is a function provided by
the pwm core. Use the otherwise consistently used driver prefix for this
function, too.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

diff --git a/drivers/pwm/pwm-vt8500.c b/drivers/pwm/pwm-vt8500.c
index ea2aa15..480bfc2 100644 (file)
--- a/drivers/pwm/pwm-vt8500.c
+++ b/drivers/pwm/pwm-vt8500.c
@@ -56,7 +56,7 @@ struct vt8500_chip {
 #define to_vt8500_chip(chip)   container_of(chip, struct vt8500_chip, chip)
 
 #define msecs_to_loops(t) (loops_per_jiffy / 1000 * HZ * t)
-static inline void pwm_busy_wait(struct vt8500_chip *vt8500, int nr, u8 bitmask)
+static inline void vt8500_pwm_busy_wait(struct vt8500_chip *vt8500, int nr, u8 bitmask)
 {
        int loops = msecs_to_loops(10);
        u32 mask = bitmask << (nr << 8);
@@ -106,18 +106,18 @@ static int vt8500_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
        dc = c;
 
        writel(prescale, vt8500->base + REG_SCALAR(pwm->hwpwm));
-       pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_SCALAR_UPDATE);
+       vt8500_pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_SCALAR_UPDATE);
 
        writel(pv, vt8500->base + REG_PERIOD(pwm->hwpwm));
-       pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_PERIOD_UPDATE);
+       vt8500_pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_PERIOD_UPDATE);
 
        writel(dc, vt8500->base + REG_DUTY(pwm->hwpwm));
-       pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_DUTY_UPDATE);
+       vt8500_pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_DUTY_UPDATE);
 
        val = readl(vt8500->base + REG_CTRL(pwm->hwpwm));
        val |= CTRL_AUTOLOAD;
        writel(val, vt8500->base + REG_CTRL(pwm->hwpwm));
-       pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_CTRL_UPDATE);
+       vt8500_pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_CTRL_UPDATE);
 
        clk_disable(vt8500->clk);
        return 0;
@@ -138,7 +138,7 @@ static int vt8500_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
        val = readl(vt8500->base + REG_CTRL(pwm->hwpwm));
        val |= CTRL_ENABLE;
        writel(val, vt8500->base + REG_CTRL(pwm->hwpwm));
-       pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_CTRL_UPDATE);
+       vt8500_pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_CTRL_UPDATE);
 
        return 0;
 }
@@ -151,7 +151,7 @@ static void vt8500_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)
        val = readl(vt8500->base + REG_CTRL(pwm->hwpwm));
        val &= ~CTRL_ENABLE;
        writel(val, vt8500->base + REG_CTRL(pwm->hwpwm));
-       pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_CTRL_UPDATE);
+       vt8500_pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_CTRL_UPDATE);
 
        clk_disable(vt8500->clk);
 }
@@ -171,7 +171,7 @@ static int vt8500_pwm_set_polarity(struct pwm_chip *chip,
                val &= ~CTRL_INVERT;
 
        writel(val, vt8500->base + REG_CTRL(pwm->hwpwm));
-       pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_CTRL_UPDATE);
+       vt8500_pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_CTRL_UPDATE);
 
        return 0;
 }