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-rw-r--r--include/asm-arm/arch-ixp4xx/memory.h25
1 files changed, 2 insertions, 23 deletions
diff --git a/include/asm-arm/arch-ixp4xx/memory.h b/include/asm-arm/arch-ixp4xx/memory.h
index e024d0a1a669..ee211d28a3ef 100644
--- a/include/asm-arm/arch-ixp4xx/memory.h
+++ b/include/asm-arm/arch-ixp4xx/memory.h
@@ -16,31 +16,10 @@
16 16
17#ifndef __ASSEMBLY__ 17#ifndef __ASSEMBLY__
18 18
19/* 19void ixp4xx_adjust_zones(int node, unsigned long *size, unsigned long *holes);
20 * Only first 64MB of memory can be accessed via PCI.
21 * We use GFP_DMA to allocate safe buffers to do map/unmap.
22 * This is really ugly and we need a better way of specifying
23 * DMA-capable regions of memory.
24 */
25static inline void __arch_adjust_zones(int node, unsigned long *zone_size,
26 unsigned long *zhole_size)
27{
28 unsigned int sz = SZ_64M >> PAGE_SHIFT;
29
30 /*
31 * Only adjust if > 64M on current system
32 */
33 if (node || (zone_size[0] <= sz))
34 return;
35
36 zone_size[1] = zone_size[0] - sz;
37 zone_size[0] = sz;
38 zhole_size[1] = zhole_size[0];
39 zhole_size[0] = 0;
40}
41 20
42#define arch_adjust_zones(node, size, holes) \ 21#define arch_adjust_zones(node, size, holes) \
43 __arch_adjust_zones(node, size, holes) 22 ixp4xx_adjust_zones(node, size, holes)
44 23
45#define ISA_DMA_THRESHOLD (SZ_64M - 1) 24#define ISA_DMA_THRESHOLD (SZ_64M - 1)
46 25