Module Name: src
Committed By: riastradh
Date: Wed Aug 6 13:50:53 UTC 2014
Modified Files:
src/sys/external/bsd/drm2/include/linux: dma-mapping.h
Log Message:
Add Linux DMA_BIT_MASK.
To generate a diff of this commit:
cvs rdiff -u -r1.2 -r1.3 \
src/sys/external/bsd/drm2/include/linux/dma-mapping.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/external/bsd/drm2/include/linux/dma-mapping.h
diff -u src/sys/external/bsd/drm2/include/linux/dma-mapping.h:1.2 src/sys/external/bsd/drm2/include/linux/dma-mapping.h:1.3
--- src/sys/external/bsd/drm2/include/linux/dma-mapping.h:1.2 Tue Mar 18 18:20:43 2014
+++ src/sys/external/bsd/drm2/include/linux/dma-mapping.h Wed Aug 6 13:50:53 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: dma-mapping.h,v 1.2 2014/03/18 18:20:43 riastradh Exp $ */
+/* $NetBSD: dma-mapping.h,v 1.3 2014/08/06 13:50:53 riastradh Exp $ */
/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -36,4 +36,11 @@
typedef bus_addr_t dma_addr_t;
+static inline uintmax_t
+DMA_BIT_MASK(unsigned nbits)
+{
+
+ return ~(~(uintmax_t)0 << nbits);
+}
+
#endif /* _LINUX_DMA_MAPPING_H_ */
