RE: [PATCH net v2 0/2] Fix PHY handle no longer parsing

Sit, Michael Wei Hong
2023-03-21T08:39:30Z

> -----Original Message-----
> From: Russell King <linux@armlinux.org.uk>
> Sent: Saturday, March 18, 2023 4:54 AM
> To: Sit, Michael Wei Hong <michael.wei.hong.sit@intel.com>
> Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>; Alexandre
> Torgue <alexandre.torgue@foss.st.com>; Jose Abreu
> <joabreu@synopsys.com>; David S . Miller
> <davem@davemloft.net>; Eric Dumazet
> <edumazet@google.com>; Jakub Kicinski <kuba@kernel.org>;
> Paolo Abeni <pabeni@redhat.com>; Maxime Coquelin
> <mcoquelin.stm32@gmail.com>; Ong, Boon Leong
> <boon.leong.ong@intel.com>; netdev@vger.kernel.org; linux-
> stm32@st-md-mailman.stormreply.com; linux-arm-
> kernel@lists.infradead.org; linux-kernel@vger.kernel.org; Looi,
> Hong Aun <hong.aun.looi@intel.com>; Voon, Weifeng
> <weifeng.voon@intel.com>; Lai, Peter Jun Ann
> <peter.jun.ann.lai@intel.com>
> Subject: Re: [PATCH net v2 0/2] Fix PHY handle no longer parsing
>
> On Tue, Mar 14, 2023 at 03:02:06PM +0800, Michael Sit Wei Hong
> wrote:
> > After the fixed link support was introduced, it is observed that
> PHY
> > no longer attach to the MAC properly.
>
> You are aware, I hope, that fixed-link and having a PHY are
> mutually exclusive?
>
> In other words, you can't use fixed-link to specify parameters for
> a PHY.
>
Yes but when the fixed-link support code was added, all our non
fixed-link devices are not attaching the PHYs to the MACs, hence
the reason for this patch series, to ensure both fixed-link and
non fixed-link scenarios work properly.
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