On Thu 2020-05-28 10:39:18, Johan Hovold wrote: > On Tue, May 12, 2020 at 02:47:07PM -0700, Tony Lindgren wrote: > > Hi all, > > > > Here's the updated set of these patches fixed up for Johan's and > > Pavel's earlier comments. > > > > This series does the following: > > > > 1. Adds functions to n_gsm.c for serdev-ngsm.c driver to use > > > > 2. Adds a generic serdev-ngsm.c driver that brings up the TS 27.010 > > TTY ports configured in devicetree with help of n_gsm.c > > > > 3. Allows the use of standard Linux device drivers for dedicated > > TS 27.010 channels for devices like GNSS and ALSA found on some > > modems for example > > Unfortunately that does not seem to be the case just yet. Your gnss > driver is still aware that it's using n_gsm for the transport and calls > into the "parent" serdev-ngsm driver instead of using the serdev > interface (e.g. as if this was still and MFD driver). > > If you model this right, the GNSS driver should work equally well > regardless of whether you use the serial interface (with n_gsm) or USB > (e.g. cdc-acm or usb-serial). I believe we are pretty sure we'll not see that protocol anywhere else. Best regards, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html