ARM: Remove 'node' argument form arch_adjust_zones()

Since we no longer support discontigmem, node is always zero, so
remove this argument.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c
index e318153..333d04c 100644
--- a/arch/arm/mach-ixp4xx/common-pci.c
+++ b/arch/arm/mach-ixp4xx/common-pci.c
@@ -348,7 +348,7 @@
  * This is really ugly and we need a better way of specifying
  * DMA-capable regions of memory.
  */
-void __init ixp4xx_adjust_zones(int node, unsigned long *zone_size,
+void __init ixp4xx_adjust_zones(unsigned long *zone_size,
 	unsigned long *zhole_size)
 {
 	unsigned int sz = SZ_64M >> PAGE_SHIFT;
@@ -356,7 +356,7 @@
 	/*
 	 * Only adjust if > 64M on current system
 	 */
-	if (node || (zone_size[0] <= sz))
+	if (zone_size[0] <= sz)
 		return;
 
 	zone_size[1] = zone_size[0] - sz;
diff --git a/arch/arm/mach-ixp4xx/include/mach/memory.h b/arch/arm/mach-ixp4xx/include/mach/memory.h
index 98f5e5e..0136eaa 100644
--- a/arch/arm/mach-ixp4xx/include/mach/memory.h
+++ b/arch/arm/mach-ixp4xx/include/mach/memory.h
@@ -16,10 +16,10 @@
 
 #if !defined(__ASSEMBLY__) && defined(CONFIG_PCI)
 
-void ixp4xx_adjust_zones(int node, unsigned long *size, unsigned long *holes);
+void ixp4xx_adjust_zones(unsigned long *size, unsigned long *holes);
 
-#define arch_adjust_zones(node, size, holes) \
-	ixp4xx_adjust_zones(node, size, holes)
+#define arch_adjust_zones(size, holes) \
+	ixp4xx_adjust_zones(size, holes)
 
 #define ISA_DMA_THRESHOLD (SZ_64M - 1)
 #define MAX_DMA_ADDRESS		(PAGE_OFFSET + SZ_64M)