Re: [PATCH] libata: Correct IORDY handling

[Jeff Garzik]

Alan Cox wrote:
> Debugging a report of a problem with an ancient solid state disk showed
> up some problems in the IORDY handling
>
> 1.	We check the wrong bit to see if the device has IORDY
> 2.	Even then some ancient creaking piles of crap don't support
> 	SETXFER at all.
>
> I think this should go via -mm for a bit. The cases it fixes are obscure
> and the risk of side effects is slight but possible. This also moves us
> slightly closer to supporting original MFM/RLL disks with libata but
> before Jeff panics I have no plans to do that....
>
> Signed-off-by: Alan Cox <alan@xxxxxxxxxx>

applied


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