diff options
| author | Krzysztof Hałasa <khc@pm.waw.pl> | 2009-11-18 02:39:01 +0300 |
|---|---|---|
| committer | Krzysztof Hałasa <khc@pm.waw.pl> | 2009-12-05 18:58:41 +0300 |
| commit | 0fd7dc7f6c88ba4a46ff472a30d175facc8b6292 (patch) | |
| tree | da84211afc906c96bd1b069eceb9a549b345fe59 /arch/arm/mach-ixp4xx/gtwx5715-pci.c | |
| parent | 8d3fdf31dd2066533861bb57ed7df1ae1b1f5fcc (diff) | |
| download | linux-0fd7dc7f6c88ba4a46ff472a30d175facc8b6292.tar.xz | |
IXP4xx: GTWX5715 platform only has two PCI IRQ lines, not four.
Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
Diffstat (limited to 'arch/arm/mach-ixp4xx/gtwx5715-pci.c')
| -rw-r--r-- | arch/arm/mach-ixp4xx/gtwx5715-pci.c | 32 |
1 files changed, 11 insertions, 21 deletions
diff --git a/arch/arm/mach-ixp4xx/gtwx5715-pci.c b/arch/arm/mach-ixp4xx/gtwx5715-pci.c index 276c61437851..25d2c333c204 100644 --- a/arch/arm/mach-ixp4xx/gtwx5715-pci.c +++ b/arch/arm/mach-ixp4xx/gtwx5715-pci.c @@ -31,15 +31,9 @@ #include <asm/mach/pci.h> #define SLOT0_DEVID 0 -#define SLOT0_INTA 10 -#define SLOT0_INTB 11 - #define SLOT1_DEVID 1 -#define SLOT1_INTA 11 -#define SLOT1_INTB 10 - -#define SLOT_COUNT 2 -#define INT_PIN_COUNT 2 +#define INTA 10 /* slot 1 has INTA and INTB crossed */ +#define INTB 11 /* * Slot 0 isn't actually populated with a card connector but @@ -49,26 +43,22 @@ */ void __init gtwx5715_pci_preinit(void) { - set_irq_type(IXP4XX_GPIO_IRQ(SLOT0_INTA), IRQ_TYPE_LEVEL_LOW); - set_irq_type(IXP4XX_GPIO_IRQ(SLOT0_INTB), IRQ_TYPE_LEVEL_LOW); - set_irq_type(IXP4XX_GPIO_IRQ(SLOT1_INTA), IRQ_TYPE_LEVEL_LOW); - set_irq_type(IXP4XX_GPIO_IRQ(SLOT1_INTB), IRQ_TYPE_LEVEL_LOW); + set_irq_type(IXP4XX_GPIO_IRQ(INTA), IRQ_TYPE_LEVEL_LOW); + set_irq_type(IXP4XX_GPIO_IRQ(INTB), IRQ_TYPE_LEVEL_LOW); ixp4xx_pci_preinit(); } static int __init gtwx5715_map_irq(struct pci_dev *dev, u8 slot, u8 pin) { - int rc; - static int gtwx5715_irqmap[SLOT_COUNT][INT_PIN_COUNT] = { - {IXP4XX_GPIO_IRQ(SLOT0_INTA), IXP4XX_GPIO_IRQ(SLOT0_INTB)}, - {IXP4XX_GPIO_IRQ(SLOT1_INTA), IXP4XX_GPIO_IRQ(SLOT1_INTB)}, - }; + int rc = -1; - if (slot >= SLOT_COUNT || pin >= INT_PIN_COUNT) - rc = -1; - else - rc = gtwx5715_irqmap[slot][pin - 1]; + if ((slot == SLOT0_DEVID && pin == 1) || + (slot == SLOT1_DEVID && pin == 2)) + rc = IXP4XX_GPIO_IRQ(INTA); + else if ((slot == SLOT0_DEVID && pin == 2) || + (slot == SLOT1_DEVID && pin == 1)) + rc = IXP4XX_GPIO_IRQ(INTB); printk(KERN_INFO "%s: Mapped slot %d pin %d to IRQ %d\n", __func__, slot, pin, rc); |