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

[Fabio Estevam]

Hi Robin,

On Sun, Jul 1, 2018 at 11:12 PM, Robin Gong <yibin.gong@xxxxxxx> wrote:

> But in fact, the original dts is not correct without 'regulator-always-
> on'since SW4 is the critical DDR power rail, although, it's kept on in
> the previous kernel by no switches enable/disable interfaces provided
> in pfuze driver. Adding new property which can be done totally by the
> common 'regulator-always-on' is not a good choice. Keep the dts patch
> adding 'regulator-always-on' ahead of pfuze driver pach adding
> enable/disable interface is enough for such case I think.

We really want to avoid  breaking old dtb's running a new kernel.