diff options
Diffstat (limited to 'drivers/pwm/pwm-clps711x.c')
| -rw-r--r-- | drivers/pwm/pwm-clps711x.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/drivers/pwm/pwm-clps711x.c b/drivers/pwm/pwm-clps711x.c index c950e1dbd2b8..2c92ce754872 100644 --- a/drivers/pwm/pwm-clps711x.c +++ b/drivers/pwm/pwm-clps711x.c @@ -14,7 +14,6 @@ struct clps711x_chip { void __iomem *pmpcon; struct clk *clk; - spinlock_t lock; }; static inline struct clps711x_chip *to_clps711x_chip(struct pwm_chip *chip) @@ -42,7 +41,6 @@ static int clps711x_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, struct clps711x_chip *priv = to_clps711x_chip(chip); /* PWM0 - bits 4..7, PWM1 - bits 8..11 */ u32 shift = (pwm->hwpwm + 1) * 4; - unsigned long flags; u32 pmpcon, val; if (state->polarity != PWM_POLARITY_NORMAL) @@ -56,15 +54,11 @@ static int clps711x_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, else val = 0; - spin_lock_irqsave(&priv->lock, flags); - pmpcon = readl(priv->pmpcon); pmpcon &= ~(0xf << shift); pmpcon |= val << shift; writel(pmpcon, priv->pmpcon); - spin_unlock_irqrestore(&priv->lock, flags); - return 0; } @@ -93,12 +87,10 @@ static int clps711x_pwm_probe(struct platform_device *pdev) chip->ops = &clps711x_pwm_ops; - spin_lock_init(&priv->lock); - return devm_pwmchip_add(&pdev->dev, chip); } -static const struct of_device_id __maybe_unused clps711x_pwm_dt_ids[] = { +static const struct of_device_id clps711x_pwm_dt_ids[] = { { .compatible = "cirrus,ep7209-pwm", }, { } }; @@ -107,7 +99,7 @@ MODULE_DEVICE_TABLE(of, clps711x_pwm_dt_ids); static struct platform_driver clps711x_pwm_driver = { .driver = { .name = "clps711x-pwm", - .of_match_table = of_match_ptr(clps711x_pwm_dt_ids), + .of_match_table = clps711x_pwm_dt_ids, }, .probe = clps711x_pwm_probe, }; |