Anson Huang Best Regards!
> -----Original Message----- > From: Fabio Estevam [mailto:[email protected]] > Sent: Monday, July 2, 2018 9:17 AM > To: Anson Huang <[email protected]> > Cc: Shawn Guo <[email protected]>; Robin Gong <[email protected]>; > Mark Rutland <[email protected]>; open list:OPEN FIRMWARE AND > FLATTENED DEVICE TREE BINDINGS <[email protected]>; > linux-kernel <[email protected]>; Rob Herring > <[email protected]>; dl-linux-imx <[email protected]>; Sascha Hauer > <[email protected]>; Fabio Estevam <[email protected]>; > moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE > <[email protected]> > Subject: Re: [PATCH v1] ARM: dts: imx6sl-evk: keep sw4 always on > > On Sun, Jul 1, 2018 at 10:09 PM, Anson Huang <[email protected]> > wrote: > > > On some new i.MX platforms, PFuze switches are used for supplying > > GPU/VPU or other non-critical modules only, these switches need to be > > turned off by runtime PM to avoid very high power leakage, like on > mScale850D. > > Ok, in this case I suggest adding a new property so that the switches can be > turned off only when the new property is present. > > When this new property is absent, then we keep the current behavior and avoid > dtb breakage. > > Since MX8M support is not in place yet, this is not urgent, so I will send a > revert > and then you can re-work the patch so that it does not affect the old dtbs. > > Do you agree with such approach? Sure, I agree for now. As I did NOT want to have any breakage. Thanks. Anson.

