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authorJay Lubomirski <jaylubo@motorola.com>2007-06-27 17:10:09 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-06-28 14:38:29 -0400
commit2f4d4da8f82c2598b8713f4a01f360f3751d90be (patch)
treeafd7b8a15aa6b9bccc728ffe61e1d9d587bc5b6c /scripts
parentddc80bd781590ef6eb8ce30a0f3ac88c5599e41c (diff)
serial: clear proper MPSC interrupt cause bits
The interrupt clearing code in mpsc_sdma_intr_ack() mistakenly clears the interrupt for both controllers instead of just the one its supposed to. This can result in the other controller appearing to hang because its interrupt was effectively lost. So, don't clear the interrupt cause bits for both MPSC controllers when clearing the interrupt for one of them. Just clear the one that is supposed to be cleared. Signed-off-by: Jay Lubomirski <jaylubo@motorola.com> Acked-by: Mark A. Greer <mgreer@mvista.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'scripts')
0 files changed, 0 insertions, 0 deletions