Re: PATCH: libata. BMDMA handling updates

[Jeff Garzik]

Alan Cox wrote:
> This is the minimal patch set to enable the current code to be used with
> a controller following SFF (ie any PATA and early SATA controllers)
> safely without crashes if there is no BMDMA area or if BMDMA is not
> assigned by the BIOS for some reason.
>
> Simplex status is recorded but not acted upon in this change, this isn't
> a problem with the current drivers as none of them are for simplex
> hardware. A following diff will deal with that.
>
> The flags in the probe structure remain ->host_set_flags although Jeff
> asked me to rename them, simply because the rename would break the usual
> Linux rules that old code should break when there are changes. not
> compile and run and then blow up/eat your computer/etc. Renaming this
> later is a trivial exercise once a better name is chosen.

applied


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