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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-08-07 09:55:16 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-08-07 09:55:16 +0100
commita1b81a84fff05dbfef45b7012c26e1fee9973e5d (patch)
tree3d053e76542ad4d20bd83ad35c13eabff97003ab /arch/avr32/include/asm/scatterlist.h
parent4fb8af10d0fd09372d52966b76922b9e82bbc950 (diff)
parent3663b736a5083b3bce74520b637f630f01f66a7f (diff)
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Merge branch 'header-move' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6
Diffstat (limited to 'arch/avr32/include/asm/scatterlist.h')
-rw-r--r--arch/avr32/include/asm/scatterlist.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/avr32/include/asm/scatterlist.h b/arch/avr32/include/asm/scatterlist.h
new file mode 100644
index 000000000000..377320e3bd17
--- /dev/null
+++ b/arch/avr32/include/asm/scatterlist.h
@@ -0,0 +1,26 @@
+#ifndef __ASM_AVR32_SCATTERLIST_H
+#define __ASM_AVR32_SCATTERLIST_H
+
+#include <asm/types.h>
+
+struct scatterlist {
+#ifdef CONFIG_DEBUG_SG
+ unsigned long sg_magic;
+#endif
+ unsigned long page_link;
+ unsigned int offset;
+ dma_addr_t dma_address;
+ unsigned int length;
+};
+
+/* These macros should be used after a pci_map_sg call has been done
+ * to get bus addresses of each of the SG entries and their lengths.
+ * You should only work with the number of sg entries pci_map_sg
+ * returns.
+ */
+#define sg_dma_address(sg) ((sg)->dma_address)
+#define sg_dma_len(sg) ((sg)->length)
+
+#define ISA_DMA_THRESHOLD (0xffffffff)
+
+#endif /* __ASM_AVR32_SCATTERLIST_H */