original_kernel/arch
Michael Hennerich eb9649095f Blackfin: make sure mmiowb inserts a write barrier with SSYNC
Add SSYNC to our implementation of I/O write barrier to ensure ordering
of I/O space writes.  This will make sure that writes following the
barrier will arrive after all previous writes.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-08-06 12:55:51 -04:00
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