mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-23 07:22:33 +00:00
61 lines
2.2 KiB
Diff
61 lines
2.2 KiB
Diff
|
From b11ce7e48121a02ceedec9f4dfcab4f2bee8f35f Mon Sep 17 00:00:00 2001
|
||
|
|
From: Linus Walleij <linus.walleij@linaro.org>
|
||
|
|
Date: Thu, 9 Mar 2023 08:45:54 +0100
|
||
|
|
Subject: gpio: ath79: Convert to immutable irq_chip
|
||
|
|
|
||
|
|
Convert the driver to immutable irq-chip with a bit of
|
||
|
|
intuition.
|
||
|
|
|
||
|
|
Cc: Marc Zyngier <maz@kernel.org>
|
||
|
|
Acked-by: Marc Zyngier <maz@kernel.org>
|
||
|
|
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
|
||
|
|
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
|
||
|
|
---
|
||
|
|
drivers/gpio/gpio-ath79.c | 8 ++++++--
|
||
|
|
1 file changed, 6 insertions(+), 2 deletions(-)
|
||
|
|
|
||
|
|
--- a/drivers/gpio/gpio-ath79.c
|
||
|
|
+++ b/drivers/gpio/gpio-ath79.c
|
||
|
|
@@ -71,6 +71,7 @@ static void ath79_gpio_irq_unmask(struct
|
||
|
|
u32 mask = BIT(irqd_to_hwirq(data));
|
||
|
|
unsigned long flags;
|
||
|
|
|
||
|
|
+ gpiochip_enable_irq(&ctrl->gc, irqd_to_hwirq(data));
|
||
|
|
raw_spin_lock_irqsave(&ctrl->lock, flags);
|
||
|
|
ath79_gpio_update_bits(ctrl, AR71XX_GPIO_REG_INT_MASK, mask, mask);
|
||
|
|
raw_spin_unlock_irqrestore(&ctrl->lock, flags);
|
||
|
|
@@ -85,6 +86,7 @@ static void ath79_gpio_irq_mask(struct i
|
||
|
|
raw_spin_lock_irqsave(&ctrl->lock, flags);
|
||
|
|
ath79_gpio_update_bits(ctrl, AR71XX_GPIO_REG_INT_MASK, mask, 0);
|
||
|
|
raw_spin_unlock_irqrestore(&ctrl->lock, flags);
|
||
|
|
+ gpiochip_disable_irq(&ctrl->gc, irqd_to_hwirq(data));
|
||
|
|
}
|
||
|
|
|
||
|
|
static void ath79_gpio_irq_enable(struct irq_data *data)
|
||
|
|
@@ -169,13 +171,15 @@ static int ath79_gpio_irq_set_type(struc
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
-static struct irq_chip ath79_gpio_irqchip = {
|
||
|
|
+static const struct irq_chip ath79_gpio_irqchip = {
|
||
|
|
.name = "gpio-ath79",
|
||
|
|
.irq_enable = ath79_gpio_irq_enable,
|
||
|
|
.irq_disable = ath79_gpio_irq_disable,
|
||
|
|
.irq_mask = ath79_gpio_irq_mask,
|
||
|
|
.irq_unmask = ath79_gpio_irq_unmask,
|
||
|
|
.irq_set_type = ath79_gpio_irq_set_type,
|
||
|
|
+ .flags = IRQCHIP_IMMUTABLE,
|
||
|
|
+ GPIOCHIP_IRQ_RESOURCE_HELPERS,
|
||
|
|
};
|
||
|
|
|
||
|
|
static void ath79_gpio_irq_handler(struct irq_desc *desc)
|
||
|
|
@@ -274,7 +278,7 @@ static int ath79_gpio_probe(struct platf
|
||
|
|
/* Optional interrupt setup */
|
||
|
|
if (!np || of_property_read_bool(np, "interrupt-controller")) {
|
||
|
|
girq = &ctrl->gc.irq;
|
||
|
|
- girq->chip = &ath79_gpio_irqchip;
|
||
|
|
+ gpio_irq_chip_set_chip(girq, &ath79_gpio_irqchip);
|
||
|
|
girq->parent_handler = ath79_gpio_irq_handler;
|
||
|
|
girq->num_parents = 1;
|
||
|
|
girq->parents = devm_kcalloc(dev, 1, sizeof(*girq->parents),
|