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authorLinus Walleij <linus.walleij@linaro.org>2023-03-20 12:55:10 +0300
committerBartosz Golaszewski <bartosz.golaszewski@linaro.org>2023-03-23 16:31:18 +0300
commit32585b565fed013449f9a58b05846b508b989e74 (patch)
treeaaf6bf3b4c08789780439b0bfc350318bd33d992 /drivers/gpio
parent5ff8240e47de33db6c0098368784672bd47d57cb (diff)
downloadlinux-32585b565fed013449f9a58b05846b508b989e74.tar.xz
gpio: stmpe: Convert to immutable irq_chip
Convert the driver to immutable irq-chip with a bit of intuition. Cc: Marc Zyngier <maz@kernel.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-stmpe.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpio/gpio-stmpe.c b/drivers/gpio/gpio-stmpe.c
index 0fa4f0a93378..27cc4da53565 100644
--- a/drivers/gpio/gpio-stmpe.c
+++ b/drivers/gpio/gpio-stmpe.c
@@ -234,6 +234,7 @@ static void stmpe_gpio_irq_mask(struct irq_data *d)
int mask = BIT(offset % 8);
stmpe_gpio->regs[REG_IE][regoffset] &= ~mask;
+ gpiochip_disable_irq(gc, offset);
}
static void stmpe_gpio_irq_unmask(struct irq_data *d)
@@ -244,6 +245,7 @@ static void stmpe_gpio_irq_unmask(struct irq_data *d)
int regoffset = offset / 8;
int mask = BIT(offset % 8);
+ gpiochip_enable_irq(gc, offset);
stmpe_gpio->regs[REG_IE][regoffset] |= mask;
}
@@ -357,13 +359,15 @@ static void stmpe_dbg_show(struct seq_file *s, struct gpio_chip *gc)
}
}
-static struct irq_chip stmpe_gpio_irq_chip = {
+static const struct irq_chip stmpe_gpio_irq_chip = {
.name = "stmpe-gpio",
.irq_bus_lock = stmpe_gpio_irq_lock,
.irq_bus_sync_unlock = stmpe_gpio_irq_sync_unlock,
.irq_mask = stmpe_gpio_irq_mask,
.irq_unmask = stmpe_gpio_irq_unmask,
.irq_set_type = stmpe_gpio_irq_set_type,
+ .flags = IRQCHIP_IMMUTABLE,
+ GPIOCHIP_IRQ_RESOURCE_HELPERS,
};
#define MAX_GPIOS 24
@@ -511,7 +515,7 @@ static int stmpe_gpio_probe(struct platform_device *pdev)
}
girq = &stmpe_gpio->chip.irq;
- girq->chip = &stmpe_gpio_irq_chip;
+ gpio_irq_chip_set_chip(girq, &stmpe_gpio_irq_chip);
/* This will let us handle the parent IRQ in the driver */
girq->parent_handler = NULL;
girq->num_parents = 0;