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PCI: alpha: use generic pci_swizzle_interrupt_pin()

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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>
This commit is contained in:
Bjorn Helgaas 2008-12-09 16:12:07 -07:00 committed by Jesse Barnes
parent 3f9455d488
commit 1be9baa093
8 changed files with 9 additions and 14 deletions
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2
arch/alpha/kernel/pci.c
View file

@ -328,7 +328,7 @@ common_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;
}

9
arch/alpha/kernel/pci_impl.h
View file

@ -106,16 +106,11 @@ struct pci_iommu_arena;
* Where A = pin 1, B = pin 2 and so on and pin=0 = default = A.
* Thus, each swizzle is ((pin-1) + (device#-4)) % 4
*
* The following code swizzles for exactly one bridge. The routine
* pci_swizzle_interrupt_pin() swizzles for exactly one bridge. The routine
* common_swizzle below handles multiple bridges. But there are a
* couple boards that do strange things, so we define this here.
* couple boards that do strange things.
*/
static inline u8 bridge_swizzle(u8 pin, u8 slot)
{
return (((pin-1) + slot) % 4) + 1;
}
/* The following macro is used to implement the table-based irq mapping
function for all single-bus Alphas. */

2
arch/alpha/kernel/sys_dp264.c
View file

@ -481,7 +481,7 @@ monet_swizzle(struct pci_dev *dev, u8 *pinp)
slot = PCI_SLOT(dev->devfn);
break;
}
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;

2
arch/alpha/kernel/sys_eiger.c
View file

@ -204,7 +204,7 @@ eiger_swizzle(struct pci_dev *dev, u8 *pinp)
break;
}
/* Must be a card-based bridge. */
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;

2
arch/alpha/kernel/sys_miata.c
View file

@ -219,7 +219,7 @@ miata_swizzle(struct pci_dev *dev, u8 *pinp)
slot = PCI_SLOT(dev->devfn) + 9;
break;
}
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;

2
arch/alpha/kernel/sys_noritake.c
View file

@ -257,7 +257,7 @@ noritake_swizzle(struct pci_dev *dev, u8 *pinp)
slot = PCI_SLOT(dev->devfn) + 15;
break;
}
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;

2
arch/alpha/kernel/sys_ruffian.c
View file

@ -160,7 +160,7 @@ ruffian_swizzle(struct pci_dev *dev, u8 *pinp)
slot = PCI_SLOT(dev->devfn) + 10;
break;
}
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;

2
arch/alpha/kernel/sys_sable.c
View file

@ -425,7 +425,7 @@ lynx_swizzle(struct pci_dev *dev, u8 *pinp)
slot = PCI_SLOT(dev->devfn) + 11;
break;
}
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;