diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2007-05-06 20:58:29 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-05-06 20:58:29 +0100 |
| commit | 5cd47155155a32e5b944ac9fc3f3dc578e429aa0 (patch) | |
| tree | ea05bfdbae04eb5ffbafa2c58fc68897a3f541d6 /arch/arm/mach-ixp4xx/common.c | |
| parent | 6f95416ebe81b3ad63884538555efb81cb05749f (diff) | |
| parent | 28bd3a0dcce11bea6f99a351cc64053dff00196e (diff) | |
Merge branch 'ixp4xx' into devel
Conflicts:
include/asm-arm/arch-ixp4xx/io.h
Diffstat (limited to 'arch/arm/mach-ixp4xx/common.c')
| -rw-r--r-- | arch/arm/mach-ixp4xx/common.c | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c index 09edea9779e..f5cae1e46b7 100644 --- a/arch/arm/mach-ixp4xx/common.c +++ b/arch/arm/mach-ixp4xx/common.c @@ -105,6 +105,29 @@ static signed char irq2gpio[32] = { 7, 8, 9, 10, 11, 12, -1, -1, }; +int gpio_to_irq(int gpio) +{ + int irq; + + for (irq = 0; irq < 32; irq++) { + if (irq2gpio[irq] == gpio) + return irq; + } + return -EINVAL; +} +EXPORT_SYMBOL(gpio_to_irq); + +int irq_to_gpio(int irq) +{ + int gpio = (irq < 32) ? irq2gpio[irq] : -EINVAL; + + if (gpio == -1) + return -EINVAL; + + return gpio; +} +EXPORT_SYMBOL(irq_to_gpio); + static int ixp4xx_set_irq_type(unsigned int irq, unsigned int type) { int line = irq2gpio[irq]; @@ -172,7 +195,7 @@ static int ixp4xx_set_irq_type(unsigned int irq, unsigned int type) static void ixp4xx_irq_mask(unsigned int irq) { - if (cpu_is_ixp46x() && irq >= 32) + if ((cpu_is_ixp46x() || cpu_is_ixp43x()) && irq >= 32) *IXP4XX_ICMR2 &= ~(1 << (irq - 32)); else *IXP4XX_ICMR &= ~(1 << irq); @@ -195,7 +218,7 @@ static void ixp4xx_irq_unmask(unsigned int irq) if (!(ixp4xx_irq_edge & (1 << irq))) ixp4xx_irq_ack(irq); - if (cpu_is_ixp46x() && irq >= 32) + if ((cpu_is_ixp46x() || cpu_is_ixp43x()) && irq >= 32) *IXP4XX_ICMR2 |= (1 << (irq - 32)); else *IXP4XX_ICMR |= (1 << irq); @@ -219,7 +242,7 @@ void __init ixp4xx_init_irq(void) /* Disable all interrupt */ *IXP4XX_ICMR = 0x0; - if (cpu_is_ixp46x()) { + if (cpu_is_ixp46x() || cpu_is_ixp43x()) { /* Route upper 32 sources to IRQ instead of FIQ */ *IXP4XX_ICLR2 = 0x00; |