[U-Boot] [PATCH] mx31: Improve the handling of unidentified silicon version

Graeme Russ graeme.russ at gmail.com
Wed Jun 15 14:33:24 CEST 2011


Hi Wolfgang,

On 15/06/11 22:12, Wolfgang Denk wrote:
> Dear Fabio Estevam,
> 
> In message <4DF89C84.7090605 at freescale.com> you wrote:
> ...
>> CPU:   Freescale i.MX31 rev 2.0 unknown at 531 MHz.Reset cause: WDOG
> ...
>> When the chip version is not valid, then we print:
>>
>> CPU:   Freescale i.MX31 (unknown rev, srev=0x20) at 531 MHz.Reset cause: WDOG
> 
> Compare to the current line above - which new information do you
> print?  None.  You just print it in a new format, and with more
> characters, i. e. with a worse SNR.
> 
>> Please let me know what you think about this proposal.
> 
> You received 3 messages from 3 different guys who told you all the
> same: just leave the code as is.  Your proposed changes are not
> considered an improvement.

But as Fabio has pointed out, the '2.0' in 'rev 2.0' is not srev - This
highlights the root of the problem - (srev == 0x20) != (rev 2.0)

Regards,

Graeme


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