Re: AR7 runtime identification [was:- Re: [PATCH -v1] MIPS: add support for gzip/bzip2/lzma compressed kernel images]

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Le Wednesday 12 August 2009 10:37:04 Alexander Clouter, vous avez écrit :
> Florian Fainelli <florian@xxxxxxxxxxx> wrote:
> >> Le Monday 10 August 2009 12:12:05 Alexander Clouter, vous avez écrit :
> >>
> >> For your information, the TNETD7300GDU is detected like this:
> >> TI AR7 (TNETD7300), ID: 0x0005, Revision: 0x02
> >>
> >> and the TNETD7300EZDW (ADSL 2+) is detected like this:
> >> TI AR7 (TNETD7200), ID: 0x002b, Revision: 0x10 which also has the UART
> >> bug and is wrongly detected as a TNETD7200.
> >>
> >> I have left the WAG54G at work and will get my hands back on it tomorow.
> >
> > The bad news is that my WAG54G v2 which is also a TNEDT7300GDU has this
> > HW bug too rendering the runtime detection of the bug more difficult.
>
> Well, two options I guess.  Another Kconfig or pass something
> on the command line to the kernel.  I would opt for the latter as the
> bug does not make the machine completely unusable and if you make sure
> the workaround is disabled by default hopefully that will have the
> effect of getting people to contact you to add an extra data point.

Or simply enable the workaround even for sane hardware like it is done here: 
https://dev.openwrt.org/browser/trunk/target/linux/ar7/patches-2.6.30/500-serial_kludge.patch 
as this patch has no side effect on working hardware.

>
> Annoyingly I'm guess we are more interested in people who do *not* have
> the bug and we would not hear from them as a result.  Maybe if we
> proactively crippled their serial port.... :)
>
> Cheers
> --  
Cordialement, Florian Fainelli
------------------------------
-- 
Best regards, Florian Fainelli
Email: florian@xxxxxxxxxxx
Web: http://openwrt.org
IRC: [florian] on irc.freenode.net
-------------------------------


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