Title: [6738] trunk/arch/blackfin/kernel/setup.c: add comment to _bfin_swrst init for why we mask with ~0xf
- Revision
- 6738
- Author
- vapier
- Date
- 2009-06-16 02:05:03 -0500 (Tue, 16 Jun 2009)
Log Message
add comment to _bfin_swrst init for why we mask with ~0xf
Modified Paths
Diff
Modified: trunk/arch/blackfin/kernel/setup.c (6737 => 6738)
--- trunk/arch/blackfin/kernel/setup.c 2009-06-16 07:02:04 UTC (rev 6737)
+++ trunk/arch/blackfin/kernel/setup.c 2009-06-16 07:05:03 UTC (rev 6738)
@@ -837,6 +837,7 @@
defined(CONFIG_BF538) || defined(CONFIG_BF539)
_bfin_swrst = bfin_read_SWRST();
#else
+ /* Clear boot mode field */
_bfin_swrst = bfin_read_SYSCR() & ~0xf;
#endif
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