MN10300: ttySM: Use memory barriers correctly in circular buffer logic

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Use memory barriers correctly in the circular buffer logic used in the driver,
as documented in Documentation/circular-buffers.txt.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Mark Salter <msalter@redhat.com>

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David Howells 2012-12-12 15:36:37 +00:00

parent 541880d9a2

commit c98c406eb2

1 changed files with 8 additions and 6 deletions

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arch/mn10300/kernel/mn10300-serial.c

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