diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2023-03-20 10:55:08 +0100 |
|---|---|---|
| committer | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2023-03-23 14:31:18 +0100 |
| commit | 957e64bee8eecd3d3c767ab6577c4bf5c4230128 (patch) | |
| tree | 3ea433def3da88ee997d224b3df4cf78cff1ff50 /drivers/gpio | |
| parent | gpio: loongson1: Add DT support (diff) | |
| download | linux-957e64bee8eecd3d3c767ab6577c4bf5c4230128.tar.xz linux-957e64bee8eecd3d3c767ab6577c4bf5c4230128.zip | |
gpio: rda: Convert to immutable irq_chip
Convert the driver to immutable irq-chip with a bit of
intuition.
Cc: Marc Zyngier <maz@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-rda.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/gpio/gpio-rda.c b/drivers/gpio/gpio-rda.c index ab4137de5889..cb2f63eee2aa 100644 --- a/drivers/gpio/gpio-rda.c +++ b/drivers/gpio/gpio-rda.c @@ -38,7 +38,6 @@ struct rda_gpio { struct gpio_chip chip; void __iomem *base; spinlock_t lock; - struct irq_chip irq_chip; int irq; }; @@ -74,6 +73,7 @@ static void rda_gpio_irq_mask(struct irq_data *data) value |= BIT(offset) << RDA_GPIO_IRQ_FALL_SHIFT; writel_relaxed(value, base + RDA_GPIO_INT_CTRL_CLR); + gpiochip_disable_irq(chip, offset); } static void rda_gpio_irq_ack(struct irq_data *data) @@ -154,6 +154,7 @@ static void rda_gpio_irq_unmask(struct irq_data *data) u32 offset = irqd_to_hwirq(data); u32 trigger = irqd_get_trigger_type(data); + gpiochip_enable_irq(chip, offset); rda_gpio_set_irq(chip, offset, trigger); } @@ -195,6 +196,16 @@ static void rda_gpio_irq_handler(struct irq_desc *desc) chained_irq_exit(ic, desc); } +static const struct irq_chip rda_gpio_irq_chip = { + .name = "rda-gpio", + .irq_ack = rda_gpio_irq_ack, + .irq_mask = rda_gpio_irq_mask, + .irq_unmask = rda_gpio_irq_unmask, + .irq_set_type = rda_gpio_irq_set_type, + .flags = IRQCHIP_SKIP_SET_WAKE | IRQCHIP_IMMUTABLE, + GPIOCHIP_IRQ_RESOURCE_HELPERS, +}; + static int rda_gpio_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -241,15 +252,8 @@ static int rda_gpio_probe(struct platform_device *pdev) rda_gpio->chip.base = -1; if (rda_gpio->irq >= 0) { - rda_gpio->irq_chip.name = "rda-gpio", - rda_gpio->irq_chip.irq_ack = rda_gpio_irq_ack, - rda_gpio->irq_chip.irq_mask = rda_gpio_irq_mask, - rda_gpio->irq_chip.irq_unmask = rda_gpio_irq_unmask, - rda_gpio->irq_chip.irq_set_type = rda_gpio_irq_set_type, - rda_gpio->irq_chip.flags = IRQCHIP_SKIP_SET_WAKE, - girq = &rda_gpio->chip.irq; - girq->chip = &rda_gpio->irq_chip; + gpio_irq_chip_set_chip(girq, &rda_gpio_irq_chip); girq->handler = handle_bad_irq; girq->default_type = IRQ_TYPE_NONE; girq->parent_handler = rda_gpio_irq_handler; |