IXP4xx: Introduce IXP4XX_GPIO_IRQ(n) macro and convert IXP4xx platform files.
Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
diff --git a/arch/arm/mach-ixp4xx/nslu2-pci.c b/arch/arm/mach-ixp4xx/nslu2-pci.c
index 9665bb0..1eb5a90 100644
--- a/arch/arm/mach-ixp4xx/nslu2-pci.c
+++ b/arch/arm/mach-ixp4xx/nslu2-pci.c
@@ -21,43 +21,35 @@
#include <asm/mach/pci.h>
#include <asm/mach-types.h>
-#define NSLU2_PCI_MAX_DEV 3
-#define NSLU2_PCI_IRQ_LINES 3
+#define MAX_DEV 3
+#define IRQ_LINES 3
/* PCI controller GPIO to IRQ pin mappings */
-#define NSLU2_PCI_INTA_PIN 11
-#define NSLU2_PCI_INTB_PIN 10
-#define NSLU2_PCI_INTC_PIN 9
-#define NSLU2_PCI_INTD_PIN 8
-#define IRQ_NSLU2_PCI_INTA IRQ_IXP4XX_GPIO11
-#define IRQ_NSLU2_PCI_INTB IRQ_IXP4XX_GPIO10
-#define IRQ_NSLU2_PCI_INTC IRQ_IXP4XX_GPIO9
+#define INTA 11
+#define INTB 10
+#define INTC 9
+#define INTD 8
void __init nslu2_pci_preinit(void)
{
- set_irq_type(IRQ_NSLU2_PCI_INTA, IRQ_TYPE_LEVEL_LOW);
- set_irq_type(IRQ_NSLU2_PCI_INTB, IRQ_TYPE_LEVEL_LOW);
- set_irq_type(IRQ_NSLU2_PCI_INTC, 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);
+ set_irq_type(IXP4XX_GPIO_IRQ(INTC), IRQ_TYPE_LEVEL_LOW);
ixp4xx_pci_preinit();
}
static int __init nslu2_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
- static int pci_irq_table[NSLU2_PCI_IRQ_LINES] = {
- IRQ_NSLU2_PCI_INTA,
- IRQ_NSLU2_PCI_INTB,
- IRQ_NSLU2_PCI_INTC,
+ static int pci_irq_table[IRQ_LINES] = {
+ IXP4XX_GPIO_IRQ(INTA),
+ IXP4XX_GPIO_IRQ(INTB),
+ IXP4XX_GPIO_IRQ(INTC),
};
- int irq = -1;
+ if (slot >= 1 && slot <= MAX_DEV && pin >= 1 && pin <= IRQ_LINES)
+ return pci_irq_table[(slot + pin - 2) % IRQ_LINES];
- if (slot >= 1 && slot <= NSLU2_PCI_MAX_DEV &&
- pin >= 1 && pin <= NSLU2_PCI_IRQ_LINES) {
- irq = pci_irq_table[(slot + pin - 2) % NSLU2_PCI_IRQ_LINES];
- }
-
- return irq;
+ return -1;
}
struct hw_pci __initdata nslu2_pci = {