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Commit 873ee9ed authored by Linus Walleij's avatar Linus Walleij
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pinctrl: coh901: mark GPIO lines used for IRQ 



When an IRQ is started on a GPIO line, mark this GPIO as IRQ in
the gpiolib so we can keep track of the usage centrally.

Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 494336f3

drivers/pinctrl/pinctrl-coh901.c

+5 −0
Original line number Diff line number Diff line
@@ -529,6 +529,10 @@ static void u300_gpio_irq_enable(struct irq_data *d) 


	dev_dbg(gpio->dev, "enable IRQ for hwirq %lu on port %s, offset %d\n",

		 d->hwirq, port->name, offset);

	if (gpio_lock_as_irq(&gpio->chip, d->hwirq))

		dev_err(gpio->dev,

			"unable to lock HW IRQ %lu for IRQ\n",

			d->hwirq);

	local_irq_save(flags);

	val = readl(U300_PIN_REG(offset, ien));

	writel(val | U300_PIN_BIT(offset), U300_PIN_REG(offset, ien));
@@ -547,6 +551,7 @@ static void u300_gpio_irq_disable(struct irq_data *d) 
	val = readl(U300_PIN_REG(offset, ien));

	writel(val & ~U300_PIN_BIT(offset), U300_PIN_REG(offset, ien));

	local_irq_restore(flags);

	gpio_unlock_as_irq(&gpio->chip, d->hwirq);

}



static struct irq_chip u300_gpio_irqchip = {