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authorHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2008-07-27 15:54:08 +0400
committerHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2008-07-27 15:54:08 +0400
commiteda3d8f5604860aae1bb9996bb5efc4213778369 (patch)
tree9d3887d2665bcc5f5abf200758794545c7b2c69b /include/asm-mn10300/scatterlist.h
parent87a9f704658a40940e740b1d73d861667e9164d3 (diff)
parent8be1a6d6c77ab4532e4476fdb8177030ef48b52c (diff)
downloadlinux-eda3d8f5604860aae1bb9996bb5efc4213778369.tar.xz
Merge commit 'upstream/master'
Diffstat (limited to 'include/asm-mn10300/scatterlist.h')
-rw-r--r--include/asm-mn10300/scatterlist.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/asm-mn10300/scatterlist.h b/include/asm-mn10300/scatterlist.h
index e29d91dbcf2b..67535901b9ff 100644
--- a/include/asm-mn10300/scatterlist.h
+++ b/include/asm-mn10300/scatterlist.h
@@ -43,4 +43,13 @@ struct scatterlist {
#define ISA_DMA_THRESHOLD (0x00ffffff)
+/*
+ * 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)
+
#endif /* _ASM_SCATTERLIST_H */