Re: [PATCH 02/15] ATA : vortex86 : fix vortex86dx/sx hardware CRCbug.

[Alan Cox]

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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