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path: root/drivers/gpio/gpio-rda.c
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Diffstat (limited to 'drivers/gpio/gpio-rda.c')
-rw-r--r--drivers/gpio/gpio-rda.c23
1 files changed, 13 insertions, 10 deletions
diff --git a/drivers/gpio/gpio-rda.c b/drivers/gpio/gpio-rda.c
index 62ba18b3a602..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;
@@ -286,4 +290,3 @@ module_platform_driver_probe(rda_gpio_driver, rda_gpio_probe);
MODULE_DESCRIPTION("RDA Micro GPIO driver");
MODULE_AUTHOR("Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>");
-MODULE_LICENSE("GPL v2");