Anson Huang Best Regards! > -----Original Message----- > From: Fabio Estevam [mailto:festevam@xxxxxxxxx] > Sent: Monday, July 2, 2018 9:17 AM > To: Anson Huang <anson.huang@xxxxxxx> > Cc: Shawn Guo <shawnguo@xxxxxxxxxx>; Robin Gong <yibin.gong@xxxxxxx>; > Mark Rutland <mark.rutland@xxxxxxx>; open list:OPEN FIRMWARE AND > FLATTENED DEVICE TREE BINDINGS <devicetree@xxxxxxxxxxxxxxx>; > linux-kernel <linux-kernel@xxxxxxxxxxxxxxx>; Rob Herring > <robh+dt@xxxxxxxxxx>; dl-linux-imx <linux-imx@xxxxxxx>; Sascha Hauer > <kernel@xxxxxxxxxxxxxx>; Fabio Estevam <fabio.estevam@xxxxxxx>; > moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE > <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx> > Subject: Re: [PATCH v1] ARM: dts: imx6sl-evk: keep sw4 always on > > On Sun, Jul 1, 2018 at 10:09 PM, Anson Huang <anson.huang@xxxxxxx> > 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. ��.n��������+%������w��{.n����z�{��ܨ}���Ơz�j:+v�����w����ޙ��&�)ߡ�a����z�ޗ���ݢj��w�f
