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-rw-r--r--include/asm-mips/dma.h7
1 files changed, 3 insertions, 4 deletions
diff --git a/include/asm-mips/dma.h b/include/asm-mips/dma.h
index d6a6c21f16db..1353c81065d1 100644
--- a/include/asm-mips/dma.h
+++ b/include/asm-mips/dma.h
@@ -84,10 +84,9 @@
* Deskstations or Acer PICA but not the much more versatile DMA logic used
* for the local devices on Acer PICA or Magnums.
*/
-#ifdef CONFIG_SGI_IP22
-/* Horrible hack to have a correct DMA window on IP22 */
-#include <asm/sgi/mc.h>
-#define MAX_DMA_ADDRESS (PAGE_OFFSET + SGIMC_SEG0_BADDR + 0x01000000)
+#if defined(CONFIG_SGI_IP22) || defined(CONFIG_SGI_IP28)
+/* don't care; ISA bus master won't work, ISA slave DMA supports 32bit addr */
+#define MAX_DMA_ADDRESS PAGE_OFFSET
#else
#define MAX_DMA_ADDRESS (PAGE_OFFSET + 0x01000000)
#endif