Revert PCIBIOS_MIN_IO changes for 2.6.13

This reverts commits

  71db63acff69618b3d9d3114bd061938150e146b
	[PATCH] increase PCIBIOS_MIN_IO on x86

and

  0b2bfb4e7ff61f286676867c3508569bea6fbf7a
    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>

2 files changed, 6 insertions, 2 deletions

diff --git a/include/asm-i386/pci.h b/include/asm-i386/pci.h
index 2cbab30734d6..78c85985aee3 100644
--- a/include/asm-i386/pci.h
+++ b/include/asm-i386/pci.h
@@ -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);
 
diff --git a/include/asm-x86_64/pci.h b/include/asm-x86_64/pci.h
index 9c4527eb55e2..eeb3088a1c9e 100644
--- a/include/asm-x86_64/pci.h
+++ b/include/asm-x86_64/pci.h
@@ -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);