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authorTejun Heo <tj@kernel.org>2008-11-03 19:01:09 +0900
committerJeff Garzik <jgarzik@redhat.com>2008-11-04 01:08:27 -0500
commit6a87e42e955ff27e07a77f65f8f077dc7c4171e1 (patch)
treee5d50b2b91c17c6719b75bbd88ea5cbed4130304 /Documentation/hwmon
parenta464189de350b050aa8f334bd4cc53ed406e56dd (diff)
libata: implement ATA_HORKAGE_ATAPI_MOD16_DMA and apply it
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/34748 Signed-off-by: Tejun Heo <tj@kernel.org> Cc: John Clark <clarkjc@runbox.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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