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SubjectRE: [PATCH v1] ARM: dts: imx6sl-evk: keep sw4 always on
Date


Anson Huang
Best Regards!


> -----Original Message-----
> From: Fabio Estevam [mailto:festevam@gmail.com]
> Sent: Monday, July 2, 2018 9:00 AM
> To: Anson Huang <anson.huang@nxp.com>
> Cc: Shawn Guo <shawnguo@kernel.org>; Robin Gong <yibin.gong@nxp.com>;
> Mark Rutland <mark.rutland@arm.com>; open list:OPEN FIRMWARE AND
> FLATTENED DEVICE TREE BINDINGS <devicetree@vger.kernel.org>;
> linux-kernel <linux-kernel@vger.kernel.org>; Rob Herring
> <robh+dt@kernel.org>; dl-linux-imx <linux-imx@nxp.com>; Sascha Hauer
> <kernel@pengutronix.de>; Fabio Estevam <fabio.estevam@nxp.com>;
> moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE
> <linux-arm-kernel@lists.infradead.org>
> Subject: Re: [PATCH v1] ARM: dts: imx6sl-evk: keep sw4 always on
>
> Hi Anson,
>
> On Sun, Jul 1, 2018 at 9:57 PM, Anson Huang <anson.huang@nxp.com> wrote:
>
> > Just want to know how to handle such case? The kernel patch will never
> > be applied or is there any way to make kernel patch and dtb patch
> > applied together to avoid any breakage?
>
> We always want to avoid breaking a working dtb when it is used with a newer
> kernel.
>
> In this case we need to revert the kernel patch as it causes regression with old
> dtbs.

So that mean such kind of kernel patch will never be into kernel? Even if it is a
necessary patch for fixing some other issues? I just wonder how this case being
handled.

Anson.
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