[Letux-kernel] how to get your ttyOx back

H. Nikolaus Schaller hns at goldelico.com
Wed Sep 19 22:28:25 CEST 2018


Hi Andreas,

> Am 19.09.2018 um 18:40 schrieb Andreas Kemnade <andreas at kemnade.info>:
> 
> Hi,
> 
> I am just wondering how I can get back my ttyOx (especially the gps)
> when running kernels without our special gps driver. The reason is that
> I want to have a clear picture about power consumption, so having
> a userspace hack to disable gps if there is no kernel support for it
> would be helpful for example when you want to git bisect stuff.

It should suffice to add a blacklist entry for the w2sg (and w2cbw for bluetooth)
driver to /etc/modprobe.d/something.conf

IMHO, in that case there is no serdev driver that hides the /dev/ttyOx.

In the worst case you can defconfigure the SERDEV subsystem.

BR,
Nikolaus

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