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authorAlbert Lee <albertcc@tw.ibm.com>2007-03-26 17:03:19 -0400
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2007-03-26 17:03:19 -0400
commit362ebd83adb4ff2761b6f49a3570f501c3c7e467 (patch)
treee2c9b4b4b73c4e70f2023fa7c81236a064b9748b /scripts/kernel-doc
parentb43c5f3dbe0c93dc205a7c69f892b94b7037d862 (diff)
pdc202xx_new: Enable ATAPI DMA
[ bart: the ressurection of 2 years old patch which slipped thru the cracks (thanks to Sergei Shtylyov for finding it) ] These is the patch to turn on pdc202xx_new for ATAPI DMA. When testing, it works fine without the (request_bufflen % 256) workaround as needed in libata. ide-scsi filters out (pc->request_transfer % 1024) and use PIO, so the pdc202xx ATAPI DMA problem is avoid. Both ide-cd and ide-scsi won't hit the ATAPI DMA problem on pdc202xx_new. Signed-off-by: Albert Lee <albertcc@tw.ibm.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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