[PATCH] x86-64: Remove redundant max_mapnr and replace with end_pfn

[pandora-kernel.git] / include / asm-x86_64 / pci.h

diff --git a/include/asm-x86_64/pci.h b/include/asm-x86_64/pci.h
index 9c4527e..5a82a67 100644 (file)
--- 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);
@@ -48,10 +50,10 @@ extern int iommu_setup(char *opt);
  * address space.  The networking and block device layers use
  * this boolean for bounce buffer decisions
  *
- * On AMD64 it mostly equals, but we set it to zero to tell some subsystems
- * that an IOMMU is available.
+ * On x86-64 it mostly equals, but we set it to zero to tell some subsystems
+ * that an hard or soft IOMMU is available.
  */
-#define PCI_DMA_BUS_IS_PHYS    (no_iommu ? 1 : 0)
+#define PCI_DMA_BUS_IS_PHYS 0
 
 /*
  * x86-64 always supports DAC, but sometimes it is useful to force