patch-2.4.2 linux/include/asm-s390x/dma.h

• Lines: 17
• Date: Tue Feb 13 14:13:44 2001
• Orig file: v2.4.1/linux/include/asm-s390x/dma.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.1/linux/include/asm-s390x/dma.h linux/include/asm-s390x/dma.h
@@ -0,0 +1,16 @@
+/*
+ *  include/asm-s390x/dma.h
+ *
+ *  S390 version
+ */
+
+#ifndef _ASM_DMA_H
+#define _ASM_DMA_H
+
+#include <asm/io.h>		/* need byte IO */
+
+/* The I/O subsystem can access only memory below 2GB.
+   We use the existing DMA zone mechanism to handle this. */
+#define MAX_DMA_ADDRESS         0x80000000
+
+#endif /* _ASM_DMA_H */