On Thu, Jan 09, 2020 at 08:25:03AM +0000, Anson Huang wrote: > Hi, Shawn > > > Subject: Re: [PATCH 1/5] ARM: dts: imx6qdl-sabresd: Remove incorrect > > power supply assignment > > > > On Mon, Dec 30, 2019 at 09:41:07AM +0800, Anson Huang wrote: > > > The vdd3p0's input should be from external USB VBUS directly, NOT > > > > Shouldn't USB VBUS usually be 5V? It doesn't seem to match 3.0V which is > > suggested by vdd3p0 name. > > > > > PMIC's sw2, so remove the power supply assignment for vdd3p0. > > > > > > Fixes: 93385546ba36 ("ARM: dts: imx6qdl-sabresd: Assign corresponding > > > power supply for LDOs") > > > > Is it only a description correcting or is it fixing a real problem? I'm trying to > > understand it is a 5.5-rc material or can be applied for 5.6. > > > > It is fixing a real problem about USB LDO voltage, that is why we noticed this issue. Okay, please describe the problem a little bit in the commit log. Also squash the series into one patch, which is easier to be merged into -rc as a fix. My question above that USB VUBS is 5V which doesn't match 3.0V suggested by vdd3p0 name remains unaddressed though. Shawn