Re: [PATCH 1/3] platform/x86/pcengines-apuv2: add mpcie reset gpio export

Enrico Weigelt, metux IT consult
2019-07-16T18:24:13Z

On 15.07.19 16:38, Florian Eckert wrote:

> I plugged in a mpcie  usb modem.
> In my test case it was a EC25 from Quectel in mpcie2 port.
> After that I did a reboot and exported the gpio via "/sys/class/gpio"
> Then I executed the command "echo 0 > /sys/class/gpio/<name>/value" and
> "echo 1 > /sys/class/gpio/<name>/value".
> Then I have seen the log message in the kernel that the device did an
> unregistration/registration

hmm, did the same, tried both gpios (mpcie2_reset, mpcie3_reset), but
nothin happened.

But strange: I'm missing some hw, modem doesn't appear ... I'll have to
check again whether i've got unstable hw or missing some kernel config.

--mtx

--
Enrico Weigelt, metux IT consult
Free software and Linux embedded engineering
info@metux.net -- +49-151-27565287