On Dec 13, 2007 5:24 PM, Pierre Ossman <[EMAIL PROTECTED]> wrote:
> On Thu, 13 Dec 2007 17:08:16 +0900
> "Kyungmin Park" <[EMAIL PROTECTED]> wrote:
>
> >
> > In my MMC Spec. (v4.2), there's no problem to read it even though it's
> > revision 1.1
> >
>
> Well, the spec says that those reserved fields "should be zero". 
> Unfortunately, people seem to have read this in the IETF sense and not as 
> "the fields MUST be zero". I.e. I've seen cards where reserved fields contain 
> junk.
>

Yes, reserved word should or must be zero, then it should check "if
(ext_csd_struct <= 2)" instead of ">= 2".
In the Spec. 4.2, it can have three value 0, 1, or 2. There's no other
restriction.

Thank you,
Kyungmin Park.
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