[meta-freescale] Incorrect GPIO value with Kernel 3.14.28

Fabio Estevam festevam at gmail.com
Wed May 20 05:50:48 PDT 2015


On Wed, May 20, 2015 at 9:40 AM, Yannick Calmettes
<yannick.calmettes at analogway.com> wrote:
> Dear all,
>
> I'm currently use Kernel 3.14.28 with release BSP_3.14.28-1.0.1_patch (on a
> IMx6 DualLite). When I read the value of a GPIO it give me the bus value
> instead of the pin value.
> For example when I read GPIO41 it returns me "0" or "512" (the pin is
> toggled every seconds), 512 corresponds to the bit 9 (41 - 32) of the bus.
> The GPIO value was correct with kernel 3.10.53.

Are you setting the SION bit in the pad configuration?

Regards,

Fabio Estevam


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