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authorMichael Hennerich <michael.hennerich@analog.com>2010-06-18 08:30:08 +0000
committerMike Frysinger <vapier@gentoo.org>2010-08-06 12:55:51 -0400
commiteb9649095f4e81a6535c10377da3d5f48b9ad822 (patch)
tree9f95ef1ccaa4551d7a3794631562d1a4e6254682 /arch/blackfin/mach-bf538
parentd1401e1dc22606a91f577ad3dfd68ae7e60e0357 (diff)
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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>
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