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pinctrl: nomadik: 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.

Cc: Enric Balletbo i Serra <eballetbo@gmail.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2013-10-11 11:30:25 +02:00
parent d468bf9eca
commit 494336f3a6
1 changed files with 5 additions and 0 deletions
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5
drivers/pinctrl/pinctrl-nomadik.c
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@ -634,6 +634,10 @@ static unsigned int nmk_gpio_irq_startup(struct irq_data *d)
{ {
struct nmk_gpio_chip *nmk_chip = irq_data_get_irq_chip_data(d); struct nmk_gpio_chip *nmk_chip = irq_data_get_irq_chip_data(d);
if (gpio_lock_as_irq(&nmk_chip->chip, d->hwirq))
dev_err(nmk_chip->chip.dev,
"unable to lock HW IRQ %lu for IRQ\n",
d->hwirq);
clk_enable(nmk_chip->clk); clk_enable(nmk_chip->clk);
nmk_gpio_irq_unmask(d); nmk_gpio_irq_unmask(d);
return 0; return 0;
@ -645,6 +649,7 @@ static void nmk_gpio_irq_shutdown(struct irq_data *d)
nmk_gpio_irq_mask(d); nmk_gpio_irq_mask(d);
clk_disable(nmk_chip->clk); clk_disable(nmk_chip->clk);
gpio_unlock_as_irq(&nmk_chip->chip, d->hwirq);
} }
static struct irq_chip nmk_gpio_irq_chip = { static struct irq_chip nmk_gpio_irq_chip = {