hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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>
This commit is contained in:
Uwe Kleine-König 2021-11-02 10:28:04 +01:00 committed by Thierry Reding
parent 76c40c220f
commit e9d866d5a6
1 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/pwm/pwm-vt8500.c
View File

@ -56,7 +56,7 @@ struct vt8500_chip {
#define to_vt8500_chip(chip) container_of(chip, struct vt8500_chip, chip) #define to_vt8500_chip(chip) container_of(chip, struct vt8500_chip, chip)
#define msecs_to_loops(t) (loops_per_jiffy / 1000 * HZ * t) #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); int loops = msecs_to_loops(10);
u32 mask = bitmask << (nr << 8); u32 mask = bitmask << (nr << 8);
@ -106,18 +106,18 @@ static int vt8500_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
dc = c; dc = c;
writel(prescale, vt8500->base + REG_SCALAR(pwm->hwpwm)); 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)); 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)); 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 = readl(vt8500->base + REG_CTRL(pwm->hwpwm));
val |= CTRL_AUTOLOAD; val |= CTRL_AUTOLOAD;
writel(val, vt8500->base + REG_CTRL(pwm->hwpwm)); 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); clk_disable(vt8500->clk);
return 0; 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 = readl(vt8500->base + REG_CTRL(pwm->hwpwm));
val |= CTRL_ENABLE; val |= CTRL_ENABLE;
writel(val, vt8500->base + REG_CTRL(pwm->hwpwm)); 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; 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 = readl(vt8500->base + REG_CTRL(pwm->hwpwm));
val &= ~CTRL_ENABLE; val &= ~CTRL_ENABLE;
writel(val, vt8500->base + REG_CTRL(pwm->hwpwm)); 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); clk_disable(vt8500->clk);
} }
@ -171,7 +171,7 @@ static int vt8500_pwm_set_polarity(struct pwm_chip *chip,
val &= ~CTRL_INVERT; val &= ~CTRL_INVERT;
writel(val, vt8500->base + REG_CTRL(pwm->hwpwm)); 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; return 0;
} }