mn10300: move sg_dma_{address,len}() to asm/scatterlist.h

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / asm-mn10300 / scatterlist.h

diff --git a/include/asm-mn10300/scatterlist.h b/include/asm-mn10300/scatterlist.h
index e29d91dbcf2b99fb82fc6b3ebdf8cbd52324f78c..67535901b9ffaf34e2ac366017313bf6dbd44da8 100644 (file)
--- 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 */