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PCI: sh: use generic pci_swizzle_interrupt_pin()

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Use the generic pci_swizzle_interrupt_pin() instead of arch-specific code.

Acked-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Bjorn Helgaas 2008-12-09 16:12:32 -07:00 committed by Jesse Barnes
parent f14d766a1a
commit 6aa6e49817
2 changed files with 3 additions and 13 deletions
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9
arch/sh/drivers/pci/ops-cayman.c
View File

@ -5,11 +5,6 @@
#include <cpu/irq.h>
#include "pci-sh5.h"
static inline u8 bridge_swizzle(u8 pin, u8 slot)
{
return (((pin - 1) + slot) % 4) + 1;
}
int __init pcibios_map_platform_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
int result = -1;
@ -42,7 +37,7 @@ int __init pcibios_map_platform_irq(struct pci_dev *dev, u8 slot, u8 pin)
while (dev->bus->number > 0) {
slot = path[i].slot = PCI_SLOT(dev->devfn);
pin = path[i].pin = bridge_swizzle(pin, slot);
pin = path[i].pin = pci_swizzle_interrupt_pin(dev, pin);
dev = dev->bus->self;
i++;
if (i > 3) panic("PCI path to root bus too long!\n");
@ -56,7 +51,7 @@ int __init pcibios_map_platform_irq(struct pci_dev *dev, u8 slot, u8 pin)
if ((slot < 3) || (i == 0)) {
/* Bus 0 (incl. PCI-PCI bridge itself) : perform the final
swizzle now. */
result = IRQ_INTA + bridge_swizzle(pin, slot) - 1;
result = IRQ_INTA + pci_swizzle_interrupt_pin(dev, pin) - 1;
} else {
i--;
slot = path[i].slot;

7
arch/sh/drivers/pci/pci.c
View File

@ -21,17 +21,12 @@
#include <linux/init.h>
#include <asm/io.h>
static inline u8 bridge_swizzle(u8 pin, u8 slot)
{
return (((pin - 1) + slot) % 4) + 1;
}
static u8 __init simple_swizzle(struct pci_dev *dev, u8 *pinp)
{
u8 pin = *pinp;
while (dev->bus->parent) {
pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn));
pin = pci_swizzle_interrupt_pin(dev, pin);
/* Move up the chain of bridges. */
dev = dev->bus->self;
}