Re: [PATCH] gpio: mxc: add power management support

[Fabio Estevam]

Hi Anson,

On Fri, Jul 13, 2018 at 10:53 PM, Anson Huang <anson.huang@xxxxxxx> wrote:

> Here are the details, i.MX7D LPSR mode and i.MX8QM/8QXP etc.' suspend/resume
> may cause GPIO bank lose power, so need to save/restore, for other i.MX SoCs,
> although no need to do save/restore, but doing it is NOT harmful, so do you think
> we should add SoC type check here?

I think it would be safer to restrict the save/restore operations to mx7/mx8.

You can add a fsl,imx7d-gpio compatible entry in the driver.

Thanks