Re: [PATCH 00/15] mmc: sdhci: Add 64-bit ADMA support

Arnd Bergmann
2014-10-30T12:15:09Z

On Thursday 30 October 2014 12:50:59 Adrian Hunter wrote:
> On 30/10/14 12:00, Arnd Bergmann wrote:
> >
> > You also said that the flag is defined to mean that 64-bit DMA
> > is working and that you want to show the warning when the hardware
> > and the firmware disagree about this. If you have an (at least)
> > 50% chance that the hardware is lying, you really shouldn't believe
> > it.
>
> Just because there are two options does not mean they are each equally
> likely.
>

Yes, that's why I said "at least". Presumably when the hardware and
firmware disagree about something, it's because the firmware developer
found a problem with the hardware and wants to work around that.

Arnd