Title: [7844] trunk/arch/blackfin/include/asm/def_LPBlackfin.h: Fix BFIN_DEPOSIT and BFIN_EXTRACT macros:
- Revision
- 7844
- Author
- hennerich
- Date
- 2009-11-18 04:52:03 -0500 (Wed, 18 Nov 2009)
Log Message
Fix BFIN_DEPOSIT and BFIN_EXTRACT macros:
find first bit in word (__ffs) returns 0 in case the first bit in word
is set.
Modified Paths
Diff
Modified: trunk/arch/blackfin/include/asm/def_LPBlackfin.h (7843 => 7844)
--- trunk/arch/blackfin/include/asm/def_LPBlackfin.h 2009-11-18 09:43:21 UTC (rev 7843)
+++ trunk/arch/blackfin/include/asm/def_LPBlackfin.h 2009-11-18 09:52:03 UTC (rev 7844)
@@ -12,8 +12,8 @@
#include <mach/anomaly.h>
#define MK_BMSK_(x) (1<<x)
-#define BFIN_DEPOSIT(mask, x) (((x) << (__ffs(mask) - 1)) & (mask))
-#define BFIN_EXTRACT(mask, x) (((x) & (mask)) >> (__ffs(mask) - 1))
+#define BFIN_DEPOSIT(mask, x) (((x) << __ffs(mask)) & (mask))
+#define BFIN_EXTRACT(mask, x) (((x) & (mask)) >> __ffs(mask))
#ifndef __ASSEMBLY__
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