linux-kernel - Re: [PATCH] ARM: dts: imx6sx: Add missing uart mux function

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Message-ID: <20200214070247.wrh6yaccyqiwlezh@pengutronix.de>
Date:   Fri, 14 Feb 2020 08:02:47 +0100
From:   Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>
To:     Anson Huang <anson.huang@....com>
Cc:     "mark.rutland@....com" <mark.rutland@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "festevam@...il.com" <festevam@...il.com>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        dl-linux-imx <linux-imx@....com>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] ARM: dts: imx6sx: Add missing uart mux function

Hello Anson,

On Fri, Feb 14, 2020 at 05:11:11AM +0000, Anson Huang wrote:
> >  - rename existing imx6sx symbols to contain DTE or DCE
> >    (introducing defines that map the old name to the new)
> 
> Is the introducing defines that map to old name to the new mainly for
> NOT breaking bisect? As pinfunc.h is changed in a separate patch other than dts files. 

It's also for not breaking out-of-tree dts files. I'd put them at the
bottom of the file with a comment that these are not supposed to be used
any more and remove them after a bit of bitrotting there.

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |