kernel_optimize_test/arch/sh/drivers/pci/fixups-sh03.c
Paul Mundt 58796ce67a sh: legacy PCI evt2irq migration.
This converts over the legacy PCI IRQs to evt2irq() backed hwirq lookups.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-18 17:42:29 +09:00

33 lines
826 B
C

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/sh_intc.h>
int __init pcibios_map_platform_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
int irq;
if (dev->bus->number == 0) {
switch (slot) {
case 4: return evt2irq(0x2a0); /* eth0 */
case 8: return evt2irq(0x2a0); /* eth1 */
case 6: return evt2irq(0x240); /* PCI bridge */
default:
printk(KERN_ERR "PCI: Bad IRQ mapping request "
"for slot %d\n", slot);
return evt2irq(0x240);
}
} else {
switch (pin) {
case 0: irq = evt2irq(0x240); break;
case 1: irq = evt2irq(0x240); break;
case 2: irq = evt2irq(0x240); break;
case 3: irq = evt2irq(0x240); break;
case 4: irq = evt2irq(0x240); break;
default: irq = -1; break;
}
}
return irq;
}