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pinctrl: coh901: mark GPIO lines used for IRQ

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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: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2013-10-14 10:25:59 +02:00
parent 494336f3a6
commit 873ee9ed2c
1 changed files with 5 additions and 0 deletions
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5
drivers/pinctrl/pinctrl-coh901.c
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@ -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 = {