diff options
Diffstat (limited to 'drivers/gpio/gpio-cadence.c')
| -rw-r--r-- | drivers/gpio/gpio-cadence.c | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/drivers/gpio/gpio-cadence.c b/drivers/gpio/gpio-cadence.c index e9dd2564c54f..e6ec341d55e9 100644 --- a/drivers/gpio/gpio-cadence.c +++ b/drivers/gpio/gpio-cadence.c @@ -8,8 +8,9 @@ * Boris Brezillon <[email protected]> */ -#include <linux/gpio/driver.h> +#include <linux/cleanup.h> #include <linux/clk.h> +#include <linux/gpio/driver.h> #include <linux/interrupt.h> #include <linux/kernel.h> #include <linux/module.h> @@ -38,29 +39,24 @@ struct cdns_gpio_chip { static int cdns_gpio_request(struct gpio_chip *chip, unsigned int offset) { struct cdns_gpio_chip *cgpio = gpiochip_get_data(chip); - unsigned long flags; - raw_spin_lock_irqsave(&chip->bgpio_lock, flags); + guard(raw_spinlock)(&chip->bgpio_lock); iowrite32(ioread32(cgpio->regs + CDNS_GPIO_BYPASS_MODE) & ~BIT(offset), cgpio->regs + CDNS_GPIO_BYPASS_MODE); - raw_spin_unlock_irqrestore(&chip->bgpio_lock, flags); return 0; } static void cdns_gpio_free(struct gpio_chip *chip, unsigned int offset) { struct cdns_gpio_chip *cgpio = gpiochip_get_data(chip); - unsigned long flags; - raw_spin_lock_irqsave(&chip->bgpio_lock, flags); + guard(raw_spinlock)(&chip->bgpio_lock); iowrite32(ioread32(cgpio->regs + CDNS_GPIO_BYPASS_MODE) | (BIT(offset) & cgpio->bypass_orig), cgpio->regs + CDNS_GPIO_BYPASS_MODE); - - raw_spin_unlock_irqrestore(&chip->bgpio_lock, flags); } static void cdns_gpio_irq_mask(struct irq_data *d) @@ -85,13 +81,12 @@ static int cdns_gpio_irq_set_type(struct irq_data *d, unsigned int type) { struct gpio_chip *chip = irq_data_get_irq_chip_data(d); struct cdns_gpio_chip *cgpio = gpiochip_get_data(chip); - unsigned long flags; u32 int_value; u32 int_type; u32 mask = BIT(d->hwirq); int ret = 0; - raw_spin_lock_irqsave(&chip->bgpio_lock, flags); + guard(raw_spinlock)(&chip->bgpio_lock); int_value = ioread32(cgpio->regs + CDNS_GPIO_IRQ_VALUE) & ~mask; int_type = ioread32(cgpio->regs + CDNS_GPIO_IRQ_TYPE) & ~mask; @@ -108,15 +103,12 @@ static int cdns_gpio_irq_set_type(struct irq_data *d, unsigned int type) } else if (type == IRQ_TYPE_LEVEL_LOW) { int_type |= mask; } else { - ret = -EINVAL; - goto err_irq_type; + return -EINVAL; } iowrite32(int_value, cgpio->regs + CDNS_GPIO_IRQ_VALUE); iowrite32(int_type, cgpio->regs + CDNS_GPIO_IRQ_TYPE); -err_irq_type: - raw_spin_unlock_irqrestore(&chip->bgpio_lock, flags); return ret; } |