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kernel
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linux
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>
authored by
Bjorn Helgaas
and committed by
Jesse Barnes
1be9baa0
3f9455d4
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-14
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arch/alpha/kernel/pci.c
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-1
arch/alpha/kernel/pci.c
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-7
arch/alpha/kernel/pci_impl.h
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-7
arch/alpha/kernel/pci_impl.h
···
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* Where A = pin 1, B = pin 2 and so on and pin=0 = default = A.
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* Thus, each swizzle is ((pin-1) + (device#-4)) % 4
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*
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* The following code swizzles for exactly one bridge. The routine
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* pci_swizzle_interrupt_pin() swizzles for exactly one bridge. The routine
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* common_swizzle below handles multiple bridges. But there are a
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* couple boards that do strange things, so we define this here.
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* couple boards that do strange things.
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*/
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static inline u8 bridge_swizzle(u8 pin, u8 slot)
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{
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return (((pin-1) + slot) % 4) + 1;
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}
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/* The following macro is used to implement the table-based irq mapping
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arch/alpha/kernel/sys_dp264.c
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arch/alpha/kernel/sys_dp264.c
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arch/alpha/kernel/sys_eiger.c
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arch/alpha/kernel/sys_eiger.c
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arch/alpha/kernel/sys_miata.c
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-1
arch/alpha/kernel/sys_miata.c
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-1
arch/alpha/kernel/sys_noritake.c
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-1
arch/alpha/kernel/sys_noritake.c
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arch/alpha/kernel/sys_ruffian.c
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arch/alpha/kernel/sys_ruffian.c