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Revert PCIBIOS_MIN_IO changes for 2.6.13

Browse source 
This reverts commits

  71db63acff
	[PATCH] increase PCIBIOS_MIN_IO on x86

and

  0b2bfb4e7f
    ACPI: increase PCIBIOS_MIN_IO on x86

since Lukas Sandströ<lukass@etek.chalmers.se> reports that this breaks
his on-board nvidia audio.

We should re-visit this later. For now we revert the change

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Linus Torvalds 2005-08-14 18:21:30 -07:00
parent b4b08e581f
commit 2ba84684e8
3 changed files with 7 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/acpi/motherboard.c
View file

@ -43,7 +43,7 @@ ACPI_MODULE_NAME ("acpi_motherboard")
*/
#define IS_RESERVED_ADDR(base, len) \
(((len) > 0) && ((base) > 0) && ((base) + (len) < IO_SPACE_LIMIT) \
&& ((base) + (len) > 0x1000))
&& ((base) + (len) > PCIBIOS_MIN_IO))
/*
* Clearing the flag (IORESOURCE_BUSY) allows drivers to use

4
include/asm-i386/pci.h
View file

@ -18,9 +18,11 @@ extern unsigned int pcibios_assign_all_busses(void);
#define pcibios_scan_all_fns(a, b) 0
extern unsigned long pci_mem_start;
#define PCIBIOS_MIN_IO 0x4000
#define PCIBIOS_MIN_IO 0x1000
#define PCIBIOS_MIN_MEM (pci_mem_start)
#define PCIBIOS_MIN_CARDBUS_IO 0x4000
void pcibios_config_init(void);
struct pci_bus * pcibios_scan_root(int bus);

4
include/asm-x86_64/pci.h
View file

@ -22,9 +22,11 @@ extern unsigned int pcibios_assign_all_busses(void);
extern int no_iommu, force_iommu;
extern unsigned long pci_mem_start;
#define PCIBIOS_MIN_IO 0x4000
#define PCIBIOS_MIN_IO 0x1000
#define PCIBIOS_MIN_MEM (pci_mem_start)
#define PCIBIOS_MIN_CARDBUS_IO 0x4000
void pcibios_config_init(void);
struct pci_bus * pcibios_scan_root(int bus);
extern int (*pci_config_read)(int seg, int bus, int dev, int fn, int reg, int len, u32 *value);