Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-29 06:12:08 +00:00
Code Issues Packages Projects Releases Wiki Activity

PCI: arm: use generic INTx swizzle from PCI core

Browse Source 
Use the generic pci_common_swizzle() instead of arch-specific code.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Bjorn Helgaas 2008-12-16 21:37:05 -07:00 committed by Jesse Barnes
parent 3e08601f7f
commit 06df69932a
2 changed files with 1 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/include/asm/mach/pci.h
View File

@ -42,7 +42,7 @@ struct pci_sys_data {
/*
* This is the standard PCI-PCI bridge swizzling algorithm.
*/
u8 pci_std_swizzle(struct pci_dev *dev, u8 *pinp);
#define pci_std_swizzle pci_common_swizzle
/*
* Call this with your hw_pci struct to initialise the PCI system.

27
arch/arm/kernel/bios32.c
View File

@ -479,33 +479,6 @@ EXPORT_SYMBOL(pcibios_resource_to_bus);
EXPORT_SYMBOL(pcibios_bus_to_resource);
#endif
/*
* This is the standard PCI-PCI bridge swizzling algorithm:
*
* Dev: 0 1 2 3
* A A B C D
* B B C D A
* C C D A B
* D D A B C
* ^^^^^^^^^^ irq pin on bridge
*/
u8 __devinit pci_std_swizzle(struct pci_dev *dev, u8 *pinp)
{
int pin = *pinp;
while (dev->bus->self) {
pin = pci_swizzle_interrupt_pin(dev, pin);
/*
* move up the chain of bridges,
* swizzling as we go.
*/
dev = dev->bus->self;
}
*pinp = pin;
return PCI_SLOT(dev->devfn);
}
/*
* Swizzle the device pin each time we cross a bridge.
* This might update pin and returns the slot number.