On Tue, 25 Oct 2011 23:16:04 -0500
Paul Schilling <paul.s.schilling@xxxxxxxxx> wrote:
> This fixes a DMA issue related to a CRC bug on
> the RDC pata peripherial found on the vortex86sx and vortex86dx.
What is the RDC erratum reference for this ? Also it seems to make no
sense
> static const struct ata_port_info info_rdc_11 = {
> .flags = ATA_FLAG_SLAVE_POSS,
> .pio_mask = ATA_PIO4,
> - .mwdma_mask = ATA_MWDMA2,
> + .mwdma_mask = 0,
> + .udma_mask = 0,
MWDMA is not part of the CRC hardware anyway
Are you sure these newer variants are simply not using a different set of
timing parameters thus showing bugs on your system ?
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