Re: [Sdhci-devel] SDHCI driver runnining in aspire one, allows towrite to R/O SD cards

From: Maxim Levitsky
Date: Mon Apr 27 2009 - 15:08:57 EST


On Mon, 2009-04-27 at 11:12 -0700, Garrett D'Amore wrote:
> As an extra data point, my sdhost driver in OpenSolaris works fine on
> the AA1.. it does see that the cards are locked, and refuses to allow
> them to be mounted read/write.
>
> This leads me to believe that the original linux problem is one of two
> things:
>
> * either a bug in the linux code, or
> * busted circuit/hardware on a specific unit (i.e. a damaged unit)
>
> I believe that if the Linux code was buggy here, the problem would be
> reproducible on all platforms, not just the AA1. So my inclination,
> barring independent confirmation, is that most likely there are one ore
> more defective units out there.
>
> Note that the AA1 also has buggy BIOS -- OpenSolaris can't "see" the
> cards (registers aren't properly initialized) unless they are present
> when the unit first powers up.

But, why it works in windows?

Regards,
Maxim Levitsky

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