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pinctrl: qcom ssbi-mpp: Convert to immutable irq_chip 

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-v1-5-6b59a5186b00@linaro.org
This commit is contained in:
Linus Walleij 2023-04-14 16:06:21 +02:00
parent 9890a043b3
commit 5e75e24eb1
1 changed files with 27 additions and 8 deletions
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35
drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c
View File

@ -126,7 +126,6 @@ struct pm8xxx_mpp {
struct regmap *regmap; struct regmap *regmap;
struct pinctrl_dev *pctrl; struct pinctrl_dev *pctrl;
struct gpio_chip chip; struct gpio_chip chip;
struct irq_chip irq;
struct pinctrl_desc desc; struct pinctrl_desc desc;
unsigned npins; unsigned npins;
@ -778,6 +777,32 @@ static int pm8xxx_mpp_child_to_parent_hwirq(struct gpio_chip *chip,
return 0; return 0;
} }
static void pm8xxx_mpp_irq_disable(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
gpiochip_disable_irq(gc, irqd_to_hwirq(d));
}
static void pm8xxx_mpp_irq_enable(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
gpiochip_enable_irq(gc, irqd_to_hwirq(d));
}
static const struct irq_chip pm8xxx_mpp_irq_chip = {
.name = "ssbi-mpp",
.irq_mask_ack = irq_chip_mask_ack_parent,
.irq_unmask = irq_chip_unmask_parent,
.irq_disable = pm8xxx_mpp_irq_disable,
.irq_enable = pm8xxx_mpp_irq_enable,
.irq_set_type = irq_chip_set_type_parent,
.flags = IRQCHIP_MASK_ON_SUSPEND | IRQCHIP_SKIP_SET_WAKE |
IRQCHIP_IMMUTABLE,
GPIOCHIP_IRQ_RESOURCE_HELPERS,
};
static const struct of_device_id pm8xxx_mpp_of_match[] = { static const struct of_device_id pm8xxx_mpp_of_match[] = {
{ .compatible = "qcom,pm8018-mpp", .data = (void *) 6 }, { .compatible = "qcom,pm8018-mpp", .data = (void *) 6 },
{ .compatible = "qcom,pm8038-mpp", .data = (void *) 6 }, { .compatible = "qcom,pm8038-mpp", .data = (void *) 6 },
@ -871,14 +896,8 @@ static int pm8xxx_mpp_probe(struct platform_device *pdev)
if (!parent_domain) if (!parent_domain)
return -ENXIO; return -ENXIO;
pctrl->irq.name = "ssbi-mpp";
pctrl->irq.irq_mask_ack = irq_chip_mask_ack_parent;
pctrl->irq.irq_unmask = irq_chip_unmask_parent;
pctrl->irq.irq_set_type = irq_chip_set_type_parent;
pctrl->irq.flags = IRQCHIP_MASK_ON_SUSPEND | IRQCHIP_SKIP_SET_WAKE;
girq = &pctrl->chip.irq; girq = &pctrl->chip.irq;
girq->chip = &pctrl->irq; gpio_irq_chip_set_chip(girq, &pm8xxx_mpp_irq_chip);
girq->default_type = IRQ_TYPE_NONE; girq->default_type = IRQ_TYPE_NONE;
girq->handler = handle_level_irq; girq->handler = handle_level_irq;
girq->fwnode = dev_fwnode(pctrl->dev); girq->fwnode = dev_fwnode(pctrl->dev);