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    SubjectRe: [RFC PATCH v2 net-next 0/8] Add support for VSC7511-7514 chips over SPI
    On Sat, Jul 10, 2021 at 10:01:45PM +0200, Alexandre Belloni wrote:
    > On 10/07/2021 12:25:54-0700, Colin Foster wrote:
    > > Add support for configuration and control of the VSC7511, VSC7512, VSC7513, and
    > > VSC7514 chips over a SPI interface. The intent is to control these chips from an
    > > external CPU. The expectation is to have most of the features of the
    > > net/ethernet/mscc/ocelot_vsc7514 driver.
    > >
    > > I have tried to heed all the advice from my first patch RFC. Thanks to everyone
    > > for all the feedback.
    > >
    > > The current status is that there are two functional "bugs" that need
    > > investigation:
    > > 1. The first probe of the internal MDIO bus fails. I suspect this is related to
    > > power supplies / grounding issues that would not appear on standard hardware.
    >
    > Did you properly reset the internal phys? mdio-mscc-miim.c does that.

    That code looks familiar to what I wrote, but the mdio-mscc-miim.c
    implementation has the 500ms delay. That might be all I need...

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