ARM: OMAP: gpios implement new to_irq()
Make OMAP use the new __gpio_to_irq() hook, to make it easier to
support IRQs coming in from off-chip gpio controllers like the
TWL4030/TPS65930 chip used on OMAP3 boads like Beagleboard.org and
the Gumstix Overo.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 8ff225b..e07ab23 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -1285,6 +1285,14 @@
spin_unlock_irqrestore(&bank->lock, flags);
}
+static int gpio_2irq(struct gpio_chip *chip, unsigned offset)
+{
+ struct gpio_bank *bank;
+
+ bank = container_of(chip, struct gpio_bank, chip);
+ return bank->virtual_irq_start + offset;
+}
+
/*---------------------------------------------------------------------*/
static int initialized;
@@ -1480,6 +1488,7 @@
bank->chip.get = gpio_get;
bank->chip.direction_output = gpio_output;
bank->chip.set = gpio_set;
+ bank->chip.to_irq = gpio_2irq;
if (bank_is_mpuio(bank)) {
bank->chip.label = "mpuio";
#ifdef CONFIG_ARCH_OMAP16XX