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authorPeng Fan <peng.fan@nxp.com>2025-05-09 12:45:38 +0800
committerBartosz Golaszewski <bartosz.golaszewski@linaro.org>2025-05-15 17:02:22 +0200
commit580b3264cb252cae00fa62d58443af09c25f7d61 (patch)
tree0dee0f72d1784ef9d5f7567a35e2093376488d9e
parent3f50bb3124d76653de0bcfe251faa357711e3ae6 (diff)
gpio: xgene-sb: Make irq_chip immutable
Kernel warns about mutable irq_chips: "not an immutable chip, please consider fixing!" Constify xgene_gpio_sb_irq_chip, flag the irq_chip as IRQCHIP_IMMUTABLE, add the new helper functions, and call the appropriate gpiolib functions. Signed-off-by: Peng Fan <peng.fan@nxp.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20250509-gpio-v1-7-639377c98288@nxp.com Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
-rw-r--r--drivers/gpio/gpio-xgene-sb.c26
1 files changed, 23 insertions, 3 deletions
diff --git a/drivers/gpio/gpio-xgene-sb.c b/drivers/gpio/gpio-xgene-sb.c
index 48b829733b15..b51b1fa726bb 100644
--- a/drivers/gpio/gpio-xgene-sb.c
+++ b/drivers/gpio/gpio-xgene-sb.c
@@ -103,12 +103,32 @@ static int xgene_gpio_sb_irq_set_type(struct irq_data *d, unsigned int type)
return irq_chip_set_type_parent(d, IRQ_TYPE_LEVEL_HIGH);
}
-static struct irq_chip xgene_gpio_sb_irq_chip = {
+static void xgene_gpio_sb_irq_mask(struct irq_data *d)
+{
+ struct xgene_gpio_sb *priv = irq_data_get_irq_chip_data(d);
+
+ irq_chip_mask_parent(d);
+
+ gpiochip_disable_irq(&priv->gc, d->hwirq);
+}
+
+static void xgene_gpio_sb_irq_unmask(struct irq_data *d)
+{
+ struct xgene_gpio_sb *priv = irq_data_get_irq_chip_data(d);
+
+ gpiochip_enable_irq(&priv->gc, d->hwirq);
+
+ irq_chip_unmask_parent(d);
+}
+
+static const struct irq_chip xgene_gpio_sb_irq_chip = {
.name = "sbgpio",
.irq_eoi = irq_chip_eoi_parent,
- .irq_mask = irq_chip_mask_parent,
- .irq_unmask = irq_chip_unmask_parent,
+ .irq_mask = xgene_gpio_sb_irq_mask,
+ .irq_unmask = xgene_gpio_sb_irq_unmask,
.irq_set_type = xgene_gpio_sb_irq_set_type,
+ .flags = IRQCHIP_IMMUTABLE,
+ GPIOCHIP_IRQ_RESOURCE_HELPERS,
};
static int xgene_gpio_sb_to_irq(struct gpio_chip *gc, u32 gpio)