linux-kernel - Re: [PATCH 4/5] ARM: dts: sam9x60: add rtt

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Date:   Tue, 14 Apr 2020 15:12:55 +0200
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Claudiu.Beznea@...rochip.com
Cc:     a.zummo@...ertech.it, robh+dt@...nel.org, mark.rutland@....com,
        Nicolas.Ferre@...rochip.com, Ludovic.Desroches@...rochip.com,
        tglx@...utronix.de, jason@...edaemon.net, maz@...nel.org,
        linux-rtc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/5] ARM: dts: sam9x60: add rtt

On 14/04/2020 13:05:03+0000, Claudiu.Beznea@...rochip.com wrote:
> >>> But this is very unlikely to happen because this would be limited to a
> >>> single board device tree instead of impact every sam9x60 based boards.
> >>
> >> Very unlikely but a having a patch with diff like this:
> >>
> >> +&gpbr {
> >> +     status = "okay";
> >> +};
> >> +
> >> +&rtt {
> >> +     atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
> >> +     status = "okay";
> >> +};
> >> +
> >>
> >> and reverting it may affect the other users of gpbr in sam9x60ek.dts.
> >>
> > 
> > Again, this affects only sam9x60ek.dts instead of possibly multiple DTs
> > that may be out of tree. So the risk of doing that is null.
> 
> Anyway... I'll merge it although I don't consider is the right way.
> 

Do as you wish but a board DT change mixed with a dtsi is a no go.


-- 
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com