mirror of
https://github.com/torvalds/linux.git
synced 2024-11-12 15:11:50 +00:00
a7db504052
This was #define'd as 0 on all platforms, so let's get rid of it. This change makes pci_scan_slot() slightly easier to read. Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Tony Luck <tony.luck@intel.com> Cc: David Howells <dhowells@redhat.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jeff Dike <jdike@addtoit.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Reviewed-by: Matthew Wilcox <willy@linux.intel.com> Acked-by: Russell King <linux@arm.linux.org.uk> Acked-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: Kyle McMartin <kyle@mcmartin.ca> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Paul Mundt <lethal@linux-sh.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
/*
|
|
* linux/include/asm-generic/pci.h
|
|
*
|
|
* Copyright (C) 2003 Russell King
|
|
*/
|
|
#ifndef _ASM_GENERIC_PCI_H
|
|
#define _ASM_GENERIC_PCI_H
|
|
|
|
/**
|
|
* pcibios_resource_to_bus - convert resource to PCI bus address
|
|
* @dev: device which owns this resource
|
|
* @region: converted bus-centric region (start,end)
|
|
* @res: resource to convert
|
|
*
|
|
* Convert a resource to a PCI device bus address or bus window.
|
|
*/
|
|
static inline void
|
|
pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
|
|
struct resource *res)
|
|
{
|
|
region->start = res->start;
|
|
region->end = res->end;
|
|
}
|
|
|
|
static inline void
|
|
pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
|
|
struct pci_bus_region *region)
|
|
{
|
|
res->start = region->start;
|
|
res->end = region->end;
|
|
}
|
|
|
|
static inline struct resource *
|
|
pcibios_select_root(struct pci_dev *pdev, struct resource *res)
|
|
{
|
|
struct resource *root = NULL;
|
|
|
|
if (res->flags & IORESOURCE_IO)
|
|
root = &ioport_resource;
|
|
if (res->flags & IORESOURCE_MEM)
|
|
root = &iomem_resource;
|
|
|
|
return root;
|
|
}
|
|
|
|
#ifndef HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
|
|
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
|
|
{
|
|
return channel ? 15 : 14;
|
|
}
|
|
#endif /* HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ */
|
|
|
|
/*
|
|
* By default, assume that no iommu is in use and that the PCI
|
|
* space is mapped to address physical 0.
|
|
*/
|
|
#ifndef PCI_DMA_BUS_IS_PHYS
|
|
#define PCI_DMA_BUS_IS_PHYS (1)
|
|
#endif
|
|
|
|
#endif /* _ASM_GENERIC_PCI_H */
|