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hpt366: MWDMA filter for SATA cards (take 2)

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The Marvell bridge chips used on HighPoint SATA cards do not seem to support
the MWDMA modes (at least that could be seen in their so-called drivers :-),
so the driver needs to account for this -- to achieve this:

- add mdma_filter() method from the original patch by Bartlomiej Zolnierkiewicz
  with his consent;

- install the method for all chips to only return empty mask if a SATA drive
  is detected on HPT372{AN]/374 chips...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Sergei Shtylyov
2007-10-11 23:53:58 +02:00
committed by Bartlomiej Zolnierkiewicz
parent 7cfa7168f7
commit b4e44369a3
4 changed files with 30 additions and 4 deletions
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drivers/ide/ide.c
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@@ -398,6 +398,7 @@ static void ide_hwif_restore(ide_hwif_t *hwif, ide_hwif_t *tmp_hwif)
hwif->tuneproc = tmp_hwif->tuneproc;
hwif->speedproc = tmp_hwif->speedproc;
hwif->mdma_filter = tmp_hwif->mdma_filter;
hwif->udma_filter = tmp_hwif->udma_filter;
hwif->selectproc = tmp_hwif->selectproc;
hwif->reset_poll = tmp_hwif->reset_poll;