linux-kernel - Re: [GIT PULL 0/5] ARM: SoC: changes for v5.9

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Message-ID: <20200805194512.bh5hds2l46opcole@duo.ucw.cz>
Date:   Wed, 5 Aug 2020 21:45:12 +0200
From:   Pavel Machek <pavel@....cz>
To:     Konrad Dybcio <konradybcio@...il.com>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        SoC Team <soc@...nel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [GIT PULL 0/5] ARM: SoC: changes for v5.9

Hi!

> Thanks for all the kind words, I really appreciate it.

Thanks for good work :-).

> >My impression is that the newly added phones are still fairly rudimentary,
> >but some others that were added in the past releases have gotten
> >further. I don't know any details, but I've added Konrad to Cc, he can
> >comment on his work.
> 
> Thanks for adding me. The Sony sdm630/6 phones are shaping up really
> well, but most of the work is not upstreamed yet mainly due to SMMU
> maintainers not liking Qualcomm code and looking for cleaner
> solutions. As time progresses, more things will see the light of the
> upstream. The current-ish progress can be seen on my github [1]. And
> much more is yet to come.
> 
> Regarding msm8992/4, there is a need for the 20nm DSI PHY driver. It
> exists for every other gen of qcom SoCs since 2013, but due to low
> interest in these platforms, this specific one never got there. I
> tried emailing the person who wrote most of the present ones, but
> gmail told me the mail didn't exist :shrug:.

I won't pretend to understand all this. Do you normally have modems
working?

> >> Should we have some kind of linux-phones mailing list? There is quite a lot of
> >> stuff common in phones.
> 
> >PostmarketOS is probably the right place to look for this.
> 
> First of all: postmarketOS, not PostmarketOS :P
> 
> I would actually say that's incorrect. With the release of the
> PinePhone and the Librem 5, the Linux mobile community has entered its
> heyday and plenty mobile-oriented distributions have arisen (for
> example Mobian, Manjaro ARM, Pure OS-ARM etc.) and some have gotten
> more attention than before (think Ubuntu Touch, Maemo Leste). pmOS is
> only one of many.
> 
> The current thing to do is every distro maintains their own kernel (or
> over 100 like in pmOS, which is terrible for the poor CI :/) and only
> a small percentage of patches end up being upstreamed for various
> reasons (clean-ness of the code, will of the maintainers, time
> constraints..). As time goes, we're gonna see more stuff being
> added.

I did not know how popular PinePhone is. Does it currently have useful
battery life?

Would something like phone@...r.kernel.org be useful for low-level
stuff?

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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