Re: [PATCHv8 0/6] n_gsm serdev support and GNSS driver for droid4

[Pavel Machek]

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

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