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pinctrl: qcom spmi-mpp: Convert to immutable irq_chip

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Convert the driver to immutable irq-chip with a bit of
intuition.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20230414-immutable-irqchips-2-v1-4-6b59a5186b00@linaro.org
This commit is contained in:
Linus Walleij 2023-04-14 16:06:20 +02:00
parent 35d008679a
commit 9890a043b3
1 changed files with 28 additions and 10 deletions
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38
drivers/pinctrl/qcom/pinctrl-spmi-mpp.c
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@ -143,7 +143,6 @@ struct pmic_mpp_state {
struct regmap *map;
struct pinctrl_dev *ctrl;
struct gpio_chip chip;
struct irq_chip irq;
};
static const struct pinconf_generic_params pmic_mpp_bindings[] = {
@ -823,6 +822,33 @@ static int pmic_mpp_child_to_parent_hwirq(struct gpio_chip *chip,
return 0;
}
static void pmic_mpp_irq_mask(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
irq_chip_mask_parent(d);
gpiochip_disable_irq(gc, irqd_to_hwirq(d));
}
static void pmic_mpp_irq_unmask(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
gpiochip_enable_irq(gc, irqd_to_hwirq(d));
irq_chip_unmask_parent(d);
}
static const struct irq_chip pmic_mpp_irq_chip = {
.name = "spmi-mpp",
.irq_ack = irq_chip_ack_parent,
.irq_mask = pmic_mpp_irq_mask,
.irq_unmask = pmic_mpp_irq_unmask,
.irq_set_type = irq_chip_set_type_parent,
.irq_set_wake = irq_chip_set_wake_parent,
.flags = IRQCHIP_MASK_ON_SUSPEND | IRQCHIP_IMMUTABLE,
GPIOCHIP_IRQ_RESOURCE_HELPERS,
};
static int pmic_mpp_probe(struct platform_device *pdev)
{
struct irq_domain *parent_domain;
@ -915,16 +941,8 @@ static int pmic_mpp_probe(struct platform_device *pdev)
if (!parent_domain)
return -ENXIO;
state->irq.name = "spmi-mpp",
state->irq.irq_ack = irq_chip_ack_parent,
state->irq.irq_mask = irq_chip_mask_parent,
state->irq.irq_unmask = irq_chip_unmask_parent,
state->irq.irq_set_type = irq_chip_set_type_parent,
state->irq.irq_set_wake = irq_chip_set_wake_parent,
state->irq.flags = IRQCHIP_MASK_ON_SUSPEND,
girq = &state->chip.irq;
girq->chip = &state->irq;
gpio_irq_chip_set_chip(girq, &pmic_mpp_irq_chip);
girq->default_type = IRQ_TYPE_NONE;
girq->handler = handle_level_irq;
girq->fwnode = dev_fwnode(state->dev);