diff options
| author |   David Brownell <dbrownell@users.sourceforge.net> | 2008-12-10 17:35:25 -0800 |
|---|---|---|
| committer |   Tony Lindgren <tony@atomide.com> | 2008-12-10 17:35:25 -0800 |
| commit | a007b7096feea2d865ad3e7177eb8be34041bef9 (patch) | |
| tree | be9a46ce0a25639481d1c6db1dd6d936f4c5b9e1 /arch/arm/plat-omap/include/mach/gpio.h | |
| parent | ARM: OMAP: Extend gpio label column width in omap_gpio debugfs file (diff) | |
| download | linux-dev-a007b7096feea2d865ad3e7177eb8be34041bef9.tar.xz linux-dev-a007b7096feea2d865ad3e7177eb8be34041bef9.zip | |
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>
Diffstat (limited to 'arch/arm/plat-omap/include/mach/gpio.h')
| -rw-r--r-- | arch/arm/plat-omap/include/mach/gpio.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/arch/arm/plat-omap/include/mach/gpio.h b/arch/arm/plat-omap/include/mach/gpio.h index 98e9008b7e9d..5f996f350c84 100644 --- a/arch/arm/plat-omap/include/mach/gpio.h +++ b/arch/arm/plat-omap/include/mach/gpio.h @@ -109,16 +109,24 @@ static inline int gpio_cansleep(unsigned gpio) static inline int gpio_to_irq(unsigned gpio) { - if (gpio < (OMAP_MAX_GPIO_LINES + 16)) - return OMAP_GPIO_IRQ(gpio); - return -EINVAL; + return __gpio_to_irq(gpio); } static inline int irq_to_gpio(unsigned irq) { + int tmp; + + /* omap1 SOC mpuio */ if (cpu_class_is_omap1() && (irq < (IH_MPUIO_BASE + 16))) return (irq - IH_MPUIO_BASE) + OMAP_MAX_GPIO_LINES; - return irq - IH_GPIO_BASE; + + /* SOC gpio */ + tmp = irq - IH_GPIO_BASE; + if (tmp < OMAP_MAX_GPIO_LINES) + return tmp; + + /* we don't supply reverse mappings for non-SOC gpios */ + return -EIO; } #endif |