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pinctrl: nomadik: Pass irqchip when adding gpiochip

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We need to convert all old gpio irqchips to pass the irqchip
setup along when adding the gpio_chip. For more info see
drivers/gpio/TODO.

For chained irqchips this is a pretty straight-forward
conversion.

Cc: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20191014111154.9731-2-linus.walleij@linaro.org
This commit is contained in:
Linus Walleij 2019-10-14 13:11:53 +02:00
parent b95e0bd23e
commit 2da7852e54
1 changed files with 15 additions and 24 deletions
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39
drivers/pinctrl/nomadik/pinctrl-nomadik.c
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@ -248,7 +248,6 @@ struct nmk_gpio_chip {
void __iomem *addr;
struct clk *clk;
unsigned int bank;
unsigned int parent_irq;
void (*set_ioforce)(bool enable);
spinlock_t lock;
bool sleepmode;
@ -1092,6 +1091,7 @@ static int nmk_gpio_probe(struct platform_device *dev)
struct device_node *np = dev->dev.of_node;
struct nmk_gpio_chip *nmk_chip;
struct gpio_chip *chip;
struct gpio_irq_chip *girq;
struct irq_chip *irqchip;
bool supports_sleepmode;
int irq;
@ -1117,7 +1117,6 @@ static int nmk_gpio_probe(struct platform_device *dev)
* The virt address in nmk_chip->addr is in the nomadik register space,
* so we can simply convert the resource address, without remapping
*/
nmk_chip->parent_irq = irq;
nmk_chip->sleepmode = supports_sleepmode;
spin_lock_init(&nmk_chip->lock);
@ -1147,6 +1146,19 @@ static int nmk_gpio_probe(struct platform_device *dev)
chip->base,
chip->base + chip->ngpio - 1);
girq = &chip->irq;
girq->chip = irqchip;
girq->parent_handler = nmk_gpio_irq_handler;
girq->num_parents = 1;
girq->parents = devm_kcalloc(&dev->dev, 1,
sizeof(*girq->parents),
GFP_KERNEL);
if (!girq->parents)
return -ENOMEM;
girq->parents[0] = irq;
girq->default_type = IRQ_TYPE_NONE;
girq->handler = handle_edge_irq;
clk_enable(nmk_chip->clk);
nmk_chip->lowemi = readl_relaxed(nmk_chip->addr + NMK_GPIO_LOWEMI);
clk_disable(nmk_chip->clk);
@ -1158,28 +1170,7 @@ static int nmk_gpio_probe(struct platform_device *dev)
platform_set_drvdata(dev, nmk_chip);
/*
* Let the generic code handle this edge IRQ, the the chained
* handler will perform the actual work of handling the parent
* interrupt.
*/
ret = gpiochip_irqchip_add(chip,
irqchip,
0,
handle_edge_irq,
IRQ_TYPE_NONE);
if (ret) {
dev_err(&dev->dev, "could not add irqchip\n");
gpiochip_remove(&nmk_chip->chip);
return -ENODEV;
}
/* Then register the chain on the parent IRQ */
gpiochip_set_chained_irqchip(chip,
irqchip,
nmk_chip->parent_irq,
nmk_gpio_irq_handler);
dev_info(&dev->dev, "at address %p\n", nmk_chip->addr);
dev_info(&dev->dev, "chip registered\n");
return 0;
}