netdev - Re: [PATCH v2 2/2] net: phy: adin: implement cable-test support

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Message-ID: <CA+U=Dsp+AnhHe87-7FXTekf5KqC3arYsy_46FEcZjQJTBWq8-Q@mail.gmail.com>
Date:   Fri, 23 Oct 2020 16:25:33 +0300
From:   Alexandru Ardelean <ardeleanalex@...il.com>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     Alexandru Ardelean <alexandru.ardelean@...log.com>,
        netdev@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>, linux@...linux.org.uk,
        David Miller <davem@...emloft.net>
Subject: Re: [PATCH v2 2/2] net: phy: adin: implement cable-test support

On Fri, Oct 23, 2020 at 3:02 AM Jakub Kicinski <kuba@...nel.org> wrote:
>
> On Thu, 22 Oct 2020 10:45:51 +0300 Alexandru Ardelean wrote:
> > The ADIN1300/ADIN1200 support cable diagnostics using TDR.
> >
> > The cable fault detection is automatically run on all four pairs looking at
> > all combinations of pair faults by first putting the PHY in standby (clear
> > the LINK_EN bit, PHY_CTRL_3 register, Address 0x0017) and then enabling the
> > diagnostic clock (set the DIAG_CLK_EN bit, PHY_CTRL_1 register, Address
> > 0x0012).
> >
> > Cable diagnostics can then be run (set the CDIAG_RUN bit in the
> > CDIAG_RUN register, Address 0xBA1B). The results are reported for each pair
> > in the cable diagnostics results registers, CDIAG_DTLD_RSLTS_0,
> > CDIAG_DTLD_RSLTS_1, CDIAG_DTLD_RSLTS_2, and CDIAG_DTLD_RSLTS_3, Address
> > 0xBA1D to Address 0xBA20).
> >
> > The distance to the first fault for each pair is reported in the cable
> > fault distance registers, CDIAG_FLT_DIST_0, CDIAG_FLT_DIST_1,
> > CDIAG_FLT_DIST_2, and CDIAG_FLT_DIST_3, Address 0xBA21 to Address 0xBA24).
> >
> > This change implements support for this using phylib's cable-test support.
> >
> > Signed-off-by: Alexandru Ardelean <alexandru.ardelean@...log.com>
>
> # Form letter - net-next is closed
>
> We have already sent a pull request for 5.10 and therefore net-next
> is closed for new drivers, features, and code refactoring.
>
> Please repost when net-next reopens after 5.10-rc1 is cut.
>

Ack.
No hurry from my side.

Thanks
Alex

> (http://vger.kernel.org/~davem/net-next.html will not be up to date
>  this time around, sorry about that).
>
> RFC patches sent for review only are obviously welcome at any time.