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Date:   Sun, 17 Feb 2019 01:41:56 -0300
From:   Alexandre Oliva <lxoliva@...la.org>
To:     Tom Li <tomli@...li.me>, Aaro Koskinen <aaro.koskinen@....fi>
Cc:     James Hogan <jhogan@...nel.org>,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        Huacai Chen <chenhc@...ote.com>,
        Ralf Baechle <ralf@...ux-mips.org>, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [RFC] On the Current Troubles of Mainlining Loongson Platform Drivers

On Feb 11, 2019, Tom Li <tomli@...li.me> wrote:

> We've just identified and confirmed the source of the shutdown problem a
> few days ago on this mailing list.

> You can pick up the patch from:
> https://lore.kernel.org/lkml/20190207205812.GA11315@darkstar.musicnaut.iki.fi/

> A patch has been authored and submitted by Aaro Koskinen, but currently it
> seems stuck in the mailing list because the maintainer worries about regression
> and asks for testing on more MIPS systems, although we believe it's a trivial
> patch.

Thanks.  I've just brought it into my local copies of loongson-community
branches for 4.4, 4.9, 4.14, 4.19, and 4.20, and master, after verifying
that it enables at least 4.19, 4.20 and master to reboot without a power
cycle, and I'll include it in upcoming freeloong builds, except for 3.16
and 3.18, where it doesn't apply.


> In addition, I've discovered and fixed another bug preventing the machine from
> shutting down, this patch has already merged into the Linus tree.

> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8a96669d77897ff3613157bf43f875739205d66d

Hmm, I don't think I've ever hit this one.  Do you happen to know how
far back it might be needed?


> I'll continue working on upstreaming these out-of-tree drivers as my personal
> project. I hope you'll be able to use a fully-functional machine with the mainline
> kernel soon, my current target is Linux 5.3.

Thanks!

-- 
Alexandre Oliva, freedom fighter   https://FSFLA.org/blogs/lxo
Be the change, be Free!         FSF Latin America board member
GNU Toolchain Engineer                Free Software Evangelist
Hay que enGNUrecerse, pero sin perder la terGNUra jamás-GNUChe

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