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authorCixi Geng <cixi.geng1@unisoc.com>2022-12-29 17:55:45 +0300
committerBartosz Golaszewski <bartosz.golaszewski@linaro.org>2022-12-30 18:59:06 +0300
commit9883ddf9d68db5332f08dfc7283db69f69f8d6d2 (patch)
tree6b2f5be4b5d724733eff635a25ee7e75587e1136 /drivers/gpio/gpio-sprd.c
parentbe43eea7de5a3977ac3d13fbfb9e505fab475e97 (diff)
downloadlinux-9883ddf9d68db5332f08dfc7283db69f69f8d6d2.tar.xz
gpio: sprd: Make the irqchip immutable
Make the struct irq_chip const, flag it as IRQCHIP_IMMUTABLE, add the new helper functions, and call the appropriate gpiolib functions. Signed-off-by: Cixi Geng <cixi.geng1@unisoc.com> Reported-by: kernel test robot <lkp@intel.com> Reported-by: Julia Lawall <julia.lawall@lip6.fr> Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-sprd.c')
-rw-r--r--drivers/gpio/gpio-sprd.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpio/gpio-sprd.c b/drivers/gpio/gpio-sprd.c
index 9bff63990eee..072b4e653216 100644
--- a/drivers/gpio/gpio-sprd.c
+++ b/drivers/gpio/gpio-sprd.c
@@ -120,6 +120,7 @@ static void sprd_gpio_irq_mask(struct irq_data *data)
u32 offset = irqd_to_hwirq(data);
sprd_gpio_update(chip, offset, SPRD_GPIO_IE, 0);
+ gpiochip_disable_irq(chip, offset);
}
static void sprd_gpio_irq_ack(struct irq_data *data)
@@ -136,6 +137,7 @@ static void sprd_gpio_irq_unmask(struct irq_data *data)
u32 offset = irqd_to_hwirq(data);
sprd_gpio_update(chip, offset, SPRD_GPIO_IE, 1);
+ gpiochip_enable_irq(chip, offset);
}
static int sprd_gpio_irq_set_type(struct irq_data *data,
@@ -205,13 +207,14 @@ static void sprd_gpio_irq_handler(struct irq_desc *desc)
chained_irq_exit(ic, desc);
}
-static struct irq_chip sprd_gpio_irqchip = {
+static const struct irq_chip sprd_gpio_irqchip = {
.name = "sprd-gpio",
.irq_ack = sprd_gpio_irq_ack,
.irq_mask = sprd_gpio_irq_mask,
.irq_unmask = sprd_gpio_irq_unmask,
.irq_set_type = sprd_gpio_irq_set_type,
- .flags = IRQCHIP_SKIP_SET_WAKE,
+ .flags = IRQCHIP_SKIP_SET_WAKE | IRQCHIP_IMMUTABLE,
+ GPIOCHIP_IRQ_RESOURCE_HELPERS,
};
static int sprd_gpio_probe(struct platform_device *pdev)
@@ -245,7 +248,7 @@ static int sprd_gpio_probe(struct platform_device *pdev)
sprd_gpio->chip.direction_output = sprd_gpio_direction_output;
irq = &sprd_gpio->chip.irq;
- irq->chip = &sprd_gpio_irqchip;
+ gpio_irq_chip_set_chip(irq, &sprd_gpio_irqchip);
irq->handler = handle_bad_irq;
irq->default_type = IRQ_TYPE_NONE;
irq->parent_handler = sprd_gpio_irq_handler;