pwm: rockchip: Remove the judge from return value of pwm_config()

It seems the rockchip_pwm_config() always returns the result 0, so
remove the judge.

Signed-off-by: David Wu <david.wu@rock-chips.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

1 files changed, 2 insertions, 10 deletions

diff --git a/drivers/pwm/pwm-rockchip.c b/drivers/pwm/pwm-rockchip.c
index ac3cd5ec5310..33bbb5a97b72 100644
--- a/drivers/pwm/pwm-rockchip.c
+++ b/drivers/pwm/pwm-rockchip.c
@@ -165,7 +165,7 @@ static void rockchip_pwm_get_state(struct pwm_chip *chip,
         clk_disable(pc->pclk);
 }
 
-static int rockchip_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
+static void rockchip_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
                                int duty_ns, int period_ns)
 {
         struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip);
@@ -188,8 +188,6 @@ static int rockchip_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
 
         writel(period, pc->base + pc->data->regs.period);
         writel(duty, pc->base + pc->data->regs.duty);
-
-        return 0;
 }
 
 static int rockchip_pwm_enable(struct pwm_chip *chip,
@@ -236,13 +234,7 @@ static int rockchip_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
                 enabled = false;
         }
 
-        ret = rockchip_pwm_config(chip, pwm, state->duty_cycle, state->period);
-        if (ret) {
-                if (enabled != curstate.enabled)
-                        rockchip_pwm_enable(chip, pwm, !enabled,
-                                      state->polarity);
-                goto out;
-        }
+        rockchip_pwm_config(chip, pwm, state->duty_cycle, state->period);
 
         if (state->enabled != enabled) {
                 ret = rockchip_pwm_enable(chip, pwm, state->enabled,