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-rw-r--r--include/asm-mips/dma.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-mips/dma.h b/include/asm-mips/dma.h
index 833437d..d6a6c21 100644
--- a/include/asm-mips/dma.h
+++ b/include/asm-mips/dma.h
@@ -92,6 +92,7 @@
#define MAX_DMA_ADDRESS (PAGE_OFFSET + 0x01000000)
#endif
#define MAX_DMA_PFN PFN_DOWN(virt_to_phys((void *)MAX_DMA_ADDRESS))
+#define MAX_DMA32_PFN (1UL << (32 - PAGE_SHIFT))
/* 8237 DMA controllers */
#define IO_DMA1_BASE 0x00 /* 8 bit slave DMA, channels 0..3 */
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