[meta-freescale] wandboard-rt & kernel-module-imx-gpu-viv error

Otavio Salvador otavio.salvador at ossystems.com.br
Wed Jan 20 06:17:48 PST 2016

On Wed, Jan 20, 2016 at 9:58 AM, Julio Cruz Barroso
<julio.cruz at smartmatic.com> wrote:
> The previous patch help to build the imx-gpu-viv module for the Linux-wandboard-rt. After testing, there is the following issue:
>  [    3.692132] galcore: Unknown symbol swait_prepare_locked (err -22)
>  [    3.701981] galcore: Unknown symbol swait_finish_locked (err -22)
> These symbols are part of the linux-rt patch. To solve it, the EXPORT_SYMBOL directive was used at /kernel/sched/wait-simple.c. The board is able to show QT application using eglfs (no xorg). Attached the additional patch.

It would be great if we could rework the module to make it compatible
with both and avoid this patch. What is Linux-RT recommendation for
this lock cases?

Otavio Salvador                             O.S. Systems
http://www.ossystems.com.br        http://code.ossystems.com.br
Mobile: +55 (53) 9981-7854            Mobile: +1 (347) 903-9750

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