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Tejun Heo authored
libata always uses PIO for ATAPI commands when the number of bytes to transfer isn't multiple of 16 but quantum DAT72 chokes on odd bytes PIO transfers. Implement a horkage to skip the mod16 check and apply it to the quantum device. This is reported by John Clark in the following thread. http://thread.gmane.org/gmane.linux.ide/34748Signed-off-by:
Tejun Heo <tj@kernel.org> Cc: John Clark <clarkjc@runbox.com> Signed-off-by:
Jeff Garzik <jgarzik@redhat.com>
6a87e42e