patch-2.3.50 linux/include/asm-sh/dma.h

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diff -u --recursive --new-file v2.3.49/linux/include/asm-sh/dma.h linux/include/asm-sh/dma.h
@@ -1,14 +1,16 @@
 #ifndef __ASM_SH_DMA_H
 #define __ASM_SH_DMA_H
 
-/* Don't define MAX_DMA_ADDRESS; it's useless on the SuperH and any
-   occurrence should be flagged as an error.  */
+#include <asm/io.h>		/* need byte IO */
 
 #define MAX_DMA_CHANNELS 8
 
 /* The maximum address that we can perform a DMA transfer to on this platform */
+/* Don't define MAX_DMA_ADDRESS; it's useless on the SuperH and any
+   occurrence should be flagged as an error.  */
+/* But... */
 /* XXX: This is not applicable to SuperH, just needed for alloc_bootmem */
-#define MAX_DMA_ADDRESS      (PAGE_OFFSET+0x1000000)
+#define MAX_DMA_ADDRESS      (PAGE_OFFSET+0x10000000)
 
 extern int request_dma(unsigned int dmanr, const char * device_id);	/* reserve a DMA channel */
 extern void free_dma(unsigned int dmanr);	/* release it again */

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