[meta-freescale] tslib in fsl-image-gui
Otavio Salvador
otavio at ossystems.com.br
Fri Jul 12 08:08:03 PDT 2013
On Fri, Jul 12, 2013 at 11:53 AM, Eric Bénard <eric at eukrea.com> wrote:
> Le Fri, 12 Jul 2013 10:33:35 -0300,
> Otavio Salvador <otavio at ossystems.com.br> a écrit :
>
>> On Fri, Jul 12, 2013 at 6:10 AM, Petr Kolesnikov <petr at kolesnikov.eu> wrote:
>> > I went into same issue a few days ago. The tslib is compiled against yocto
>> > kernel headers 3.8 while we are using quiet old imx kernel 2.6.35. The
>> > EV_VERSION has been incremented in kernel 2.6.37.
>> >
>> > So there are two approaches. Compile tslib against imx kernel headers, that
>> > is most likely the right way. The second (dirty) way is to patch tslib to
>> > accept version 0x010000, that is working fine too.
>>
>> An easier one is to make a patch to 2.6.35 which fixes the EV_VERSION there.
>>
> no 2.6.35 has the EV_VERSION value corresponding the the ev API of
> this kernel version so that's not the right thing to do.
>
> tslib has this commit which triggers the problem by allowing old kernels
> to run tslib compiled with newer headers but not the reverse :
> https://github.com/kergoth/tslib/commit/412d99d8b92c12545f939972146a38c5074f3dcb
> so for i.MX53 tslib may need a patch to relax the check.
Agreed; this seems to be the way to go.
--
Otavio Salvador O.S. Systems
http://www.ossystems.com.br http://projetos.ossystems.com.br
Mobile: +55 (53) 9981-7854 Mobile: +1 (347) 903-9750
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