lkml.org 
[lkml]   [2004]   [Sep]   [18]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
DateSat, 18 Sep 2004 13:06:21 +0200
FromPierre Ossman <>
SubjectRe: [PATCH 3/3] MMC compatibility fix - OCR mask
Russell King wrote:

>On Sat, Sep 18, 2004 at 12:00:16PM +0200, Pierre Ossman wrote:
> 
>
>>This patch avoids using a emtpy OCR mask for the initial power up. Since 
>>some cards do not like a one bit-mask a routine has been added which 
>>grows the mask to three bits (one extra bit on each side) if necessary.
>> 
>>
>
>As I already replied on this topic, this will not work on hosts
>which support a wide range of supplies.  If you send an OP_COND
>command with bits set outside the MMC cards allowable range, they
>go gaga.
>
> 
>
Sorry, my bad. I was reviewing the previous discussion about this in an 
attempt to find a solution. Completely missed that case. Please 
disregard this patch then.

The problem still remains though. Do you know what the wide range 
controller you have send when used with the manufacturer's driver?

Rgds
Pierre

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:06    [from the cache]
©2003-2008