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-rw-r--r--arch/powerpc/include/asm/dma.h6
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/powerpc/include/asm/dma.h b/arch/powerpc/include/asm/dma.h
index adadb994361..a5c6d83b5f6 100644
--- a/arch/powerpc/include/asm/dma.h
+++ b/arch/powerpc/include/asm/dma.h
@@ -16,15 +16,10 @@
*
* None of this really applies for Power Macintoshes. There is
* basically just enough here to get kernel/dma.c to compile.
- *
- * There may be some comments or restrictions made here which are
- * not valid for the PReP platform. Take what you read
- * with a grain of salt.
*/
#include <asm/io.h>
#include <linux/spinlock.h>
-#include <asm/system.h>
#ifndef MAX_DMA_CHANNELS
#define MAX_DMA_CHANNELS 8
@@ -58,7 +53,6 @@
* - page registers for 5-7 don't use data bit 0, represent 128K pages
* - page registers for 0-3 use bit 0, represent 64K pages
*
- * On PReP, DMA transfers are limited to the lower 16MB of _physical_ memory.
* On CHRP, the W83C553F (and VLSI Tollgate?) support full 32 bit addressing.
* Note that addresses loaded into registers must be _physical_ addresses,
* not logical addresses (which may differ if paging is active).