linux-kernel - Re: [PATCH v2 11/14] MIPS: Malta: Use syscon-reboot driver to reboot

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Date:   Tue, 25 Oct 2016 11:55:49 +0100
From:   "Maciej W. Rozycki" <macro@...tec.com>
To:     Paul Burton <paul.burton@...tec.com>
CC:     <linux-mips@...ux-mips.org>, Ralf Baechle <ralf@...ux-mips.org>,
        <devicetree@...r.kernel.org>, Stephan Linz <linz@...pro.net>,
        Jacek Anaszewski <j.anaszewski@...sung.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        <linux-kernel@...r.kernel.org>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Subject: Re: [PATCH v2 11/14] MIPS: Malta: Use syscon-reboot driver to
 reboot

Hi Paul,

> >  This has broken reboot support, all I get now is:
> > 
> > reboot: Restarting system
> > Unable to restart system
> > Reboot failed -- System halted
> > 
> > at which point I need to issue a serial BREAK to regain control of the
> > board and get back to YAMON; fortunately the board is wired for that.
> 
> This was already reported over here:
> 
> https://www.linux-mips.org/archives/linux-mips/2016-10/msg00120.html 
> 
> These 2 patches fix it:
> 
> https://patchwork.linux-mips.org/patch/14395/ 
> https://patchwork.linux-mips.org/patch/14396/ 

 Thanks, good to know and sorry to raise a late alarm then.

 As it happens the board I've been fiddling with has been temporarily 
sitting idle, so I went ahead and verified that these changes have indeed 
removed the regression in my configuration.  So you've got a confirmation 
from a real Malta hardware user now too (QEMU may have its own quirks).

> I've asked Ralf if we can get those, along with a few others, in ASAP - 
> preferrably for -rc3.

 As these are fixes to a functional regression I also recommend merging 
them ASAP.

  Maciej