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authorBjorn Helgaas <bjorn.helgaas@hp.com>2008-12-09 18:12:07 -0500
committerJesse Barnes <jbarnes@virtuousgeek.org>2009-01-07 14:12:53 -0500
commit1be9baa09340bbe3329aab3bd0d41076f59c8f22 (patch)
tree5a2aed70b85e6149b2ec53085513a2f9cfc4eb86 /arch/alpha/kernel/pci_impl.h
parent3f9455d488ca97f68a1c99c7473c26030261b713 (diff)
PCI: alpha: use generic pci_swizzle_interrupt_pin()
Use the generic pci_swizzle_interrupt_pin() instead of arch-specific code. Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'arch/alpha/kernel/pci_impl.h')
-rw-r--r--arch/alpha/kernel/pci_impl.h9
1 files changed, 2 insertions, 7 deletions
diff --git a/arch/alpha/kernel/pci_impl.h b/arch/alpha/kernel/pci_impl.h
index f8b74995a002..7336651592a3 100644
--- a/arch/alpha/kernel/pci_impl.h
+++ b/arch/alpha/kernel/pci_impl.h
@@ -106,16 +106,11 @@ struct pci_iommu_arena;
106 * Where A = pin 1, B = pin 2 and so on and pin=0 = default = A. 106 * Where A = pin 1, B = pin 2 and so on and pin=0 = default = A.
107 * Thus, each swizzle is ((pin-1) + (device#-4)) % 4 107 * Thus, each swizzle is ((pin-1) + (device#-4)) % 4
108 * 108 *
109 * The following code swizzles for exactly one bridge. The routine 109 * pci_swizzle_interrupt_pin() swizzles for exactly one bridge. The routine
110 * common_swizzle below handles multiple bridges. But there are a 110 * common_swizzle below handles multiple bridges. But there are a
111 * couple boards that do strange things, so we define this here. 111 * couple boards that do strange things.
112 */ 112 */
113 113
114static inline u8 bridge_swizzle(u8 pin, u8 slot)
115{
116 return (((pin-1) + slot) % 4) + 1;
117}
118
119 114
120/* The following macro is used to implement the table-based irq mapping 115/* The following macro is used to implement the table-based irq mapping
121 function for all single-bus Alphas. */ 116 function for all single-bus Alphas. */