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authorBjorn Helgaas <bjorn.helgaas@hp.com>2008-12-09 18:12:32 -0500
committerJesse Barnes <jbarnes@virtuousgeek.org>2009-01-07 14:12:52 -0500
commit6aa6e4981741013e4a8c7c3ee7b90c24e89fae24 (patch)
treeb9b3c6f7414759681525427fc00e14d53530be7a
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>
-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 5ccf9ea3a9de..38ef76207af6 100644
--- a/arch/sh/drivers/pci/ops-cayman.c
+++ b/arch/sh/drivers/pci/ops-cayman.c
@@ -5,11 +5,6 @@
5#include <cpu/irq.h> 5#include <cpu/irq.h>
6#include "pci-sh5.h" 6#include "pci-sh5.h"
7 7
8static inline u8 bridge_swizzle(u8 pin, u8 slot)
9{
10 return (((pin - 1) + slot) % 4) + 1;
11}
12
13int __init pcibios_map_platform_irq(struct pci_dev *dev, u8 slot, u8 pin) 8int __init pcibios_map_platform_irq(struct pci_dev *dev, u8 slot, u8 pin)
14{ 9{
15 int result = -1; 10 int result = -1;
@@ -42,7 +37,7 @@ int __init pcibios_map_platform_irq(struct pci_dev *dev, u8 slot, u8 pin)
42 while (dev->bus->number > 0) { 37 while (dev->bus->number > 0) {
43 38
44 slot = path[i].slot = PCI_SLOT(dev->devfn); 39 slot = path[i].slot = PCI_SLOT(dev->devfn);
45 pin = path[i].pin = bridge_swizzle(pin, slot); 40 pin = path[i].pin = pci_swizzle_interrupt_pin(dev, pin);
46 dev = dev->bus->self; 41 dev = dev->bus->self;
47 i++; 42 i++;
48 if (i > 3) panic("PCI path to root bus too long!\n"); 43 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)
56 if ((slot < 3) || (i == 0)) { 51 if ((slot < 3) || (i == 0)) {
57 /* Bus 0 (incl. PCI-PCI bridge itself) : perform the final 52 /* Bus 0 (incl. PCI-PCI bridge itself) : perform the final
58 swizzle now. */ 53 swizzle now. */
59 result = IRQ_INTA + bridge_swizzle(pin, slot) - 1; 54 result = IRQ_INTA + pci_swizzle_interrupt_pin(dev, pin) - 1;
60 } else { 55 } else {
61 i--; 56 i--;
62 slot = path[i].slot; 57 slot = path[i].slot;
diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c
index d3839e609aac..aea3b6b3033a 100644
--- a/arch/sh/drivers/pci/pci.c
+++ b/arch/sh/drivers/pci/pci.c
@@ -21,17 +21,12 @@
21#include <linux/init.h> 21#include <linux/init.h>
22#include <asm/io.h> 22#include <asm/io.h>
23 23
24static inline u8 bridge_swizzle(u8 pin, u8 slot)
25{
26 return (((pin - 1) + slot) % 4) + 1;
27}
28
29static u8 __init simple_swizzle(struct pci_dev *dev, u8 *pinp) 24static u8 __init simple_swizzle(struct pci_dev *dev, u8 *pinp)
30{ 25{
31 u8 pin = *pinp; 26 u8 pin = *pinp;
32 27
33 while (dev->bus->parent) { 28 while (dev->bus->parent) {
34 pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn)); 29 pin = pci_swizzle_interrupt_pin(dev, pin);
35 /* Move up the chain of bridges. */ 30 /* Move up the chain of bridges. */
36 dev = dev->bus->self; 31 dev = dev->bus->self;
37 } 32 }