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authorBjorn Helgaas <bjorn.helgaas@hp.com>2008-12-09 16:12:32 -0700
committerJesse Barnes <jbarnes@virtuousgeek.org>2009-01-07 11:12:52 -0800
commit6aa6e4981741013e4a8c7c3ee7b90c24e89fae24 (patch)
treeb9b3c6f7414759681525427fc00e14d53530be7a /arch
parentf14d766a1a438fdc69d04b876965d6b26b071f14 (diff)
PCI: sh: use generic pci_swizzle_interrupt_pin()
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/sh/drivers/pci/ops-cayman.c9
-rw-r--r--arch/sh/drivers/pci/pci.c7
2 files changed, 3 insertions, 13 deletions
diff --git a/arch/sh/drivers/pci/ops-cayman.c b/arch/sh/drivers/pci/ops-cayman.c
index 5ccf9ea3a9d..38ef76207af 100644
--- a/arch/sh/drivers/pci/ops-cayman.c
+++ b/arch/sh/drivers/pci/ops-cayman.c
@@ -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;
diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c
index d3839e609aa..aea3b6b3033 100644
--- a/arch/sh/drivers/pci/pci.c
+++ b/arch/sh/drivers/pci/pci.c
@@ -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;
}