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-rw-r--r--drivers/pinctrl/pinctrl-at91.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c
index f10fad2079c5..676b199d6d22 100644
--- a/drivers/pinctrl/pinctrl-at91.c
+++ b/drivers/pinctrl/pinctrl-at91.c
@@ -1255,9 +1255,33 @@ static int at91_gpio_irq_map(struct irq_domain *h, unsigned int virq,
return 0;
}
+int at91_gpio_irq_domain_xlate(struct irq_domain *d, struct device_node *ctrlr,
+ const u32 *intspec, unsigned int intsize,
+ irq_hw_number_t *out_hwirq, unsigned int *out_type)
+{
+ struct at91_gpio_chip *at91_gpio = d->host_data;
+ int ret;
+ int pin = at91_gpio->chip.base + intspec[0];
+
+ if (WARN_ON(intsize < 2))
+ return -EINVAL;
+ *out_hwirq = intspec[0];
+ *out_type = intspec[1] & IRQ_TYPE_SENSE_MASK;
+
+ ret = gpio_request(pin, ctrlr->full_name);
+ if (ret)
+ return ret;
+
+ ret = gpio_direction_input(pin);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
static struct irq_domain_ops at91_gpio_ops = {
.map = at91_gpio_irq_map,
- .xlate = irq_domain_xlate_twocell,
+ .xlate = at91_gpio_irq_domain_xlate,
};
static int at91_gpio_of_irq_setup(struct device_node *node,