diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2013-10-11 11:30:25 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2013-10-16 09:59:55 +0200 |
| commit | 494336f3a6eabeede8ce07b73f5023ff4f7c745d (patch) | |
| tree | 190ee8d585e263ae7439634a612445faa9ef511a /drivers/pinctrl | |
| parent | gpio: add API to be strict about GPIO IRQ usage (diff) | |
| download | linux-494336f3a6eabeede8ce07b73f5023ff4f7c745d.tar.xz linux-494336f3a6eabeede8ce07b73f5023ff4f7c745d.zip | |
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>
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/pinctrl-nomadik.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-nomadik.c b/drivers/pinctrl/pinctrl-nomadik.c index d7c3ae300fa7..7111c3b59130 100644 --- a/drivers/pinctrl/pinctrl-nomadik.c +++ b/drivers/pinctrl/pinctrl-nomadik.c @@ -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); + 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); nmk_gpio_irq_unmask(d); return 0; @@ -645,6 +649,7 @@ static void nmk_gpio_irq_shutdown(struct irq_data *d) nmk_gpio_irq_mask(d); clk_disable(nmk_chip->clk); + gpio_unlock_as_irq(&nmk_chip->chip, d->hwirq); } static struct irq_chip nmk_gpio_irq_chip = { |