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From: Marcin Wojtas <mw@semihalf.com>
To: Jakub Kicinski <kuba@kernel.org>
Cc: Baruch Siach <baruch@tkos.co.il>,
	Russell King <linux@armlinux.org.uk>,
	netdev <netdev@vger.kernel.org>,
	Baruch Siach <baruch.siach@siklu.com>
Subject: Re: [PATCH] net: mvpp2: add delay at the end of .mac_prepare
Date: Thu, 28 Apr 2022 18:29:02 +0200	[thread overview]
Message-ID: <CAPv3WKfdJ5cM_-Mm7cHHXJJehQo9tTbJtGnU36D464Syu4zFkQ@mail.gmail.com> (raw)
In-Reply-To: <20220428072803.76490cbd@kernel.org>

Hi Jakub,

czw., 28 kwi 2022 o 16:28 Jakub Kicinski <kuba@kernel.org> napisał(a):
>
> On Wed, 27 Apr 2022 18:05:36 +0300 Baruch Siach wrote:
> > From: Baruch Siach <baruch.siach@siklu.com>
> >
> > Without this delay PHY mode switch from XLG to SGMII fails in a weird
> > way. Rx side works. However, Tx appears to work as far as the MAC is
> > concerned, but packets don't show up on the wire.
> >
> > Tested with Marvell 10G 88X3310 PHY.
> >
> > Signed-off-by: Baruch Siach <baruch.siach@siklu.com>
> > ---
> >
> > Not sure this is the right fix. Let me know if you have any better
> > suggestion for me to test.
> >
> > The same issue and fix reproduce with both v5.18-rc4 and v5.10.110.
>
> Let me mark it as RFC in patchwork, then. If the discussion concludes
> with an approval please repost as [PATCH net] and preferably with a
> Fixes tag; failing that a stable tag, since you indicate 5.10 needs it.

Please do, that's a good idea.

Thanks,
Marcin

  reply	other threads:[~2022-04-28 16:29 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-27 15:05 [PATCH] net: mvpp2: add delay at the end of .mac_prepare Baruch Siach
2022-04-28  8:59 ` Marcin Wojtas
2022-04-28 10:59   ` Baruch Siach
2022-04-28 16:38     ` Marcin Wojtas
2022-04-28 20:03       ` Baruch Siach
2022-05-01  7:46         ` Baruch Siach
2022-05-01  8:23           ` Marcin Wojtas
2022-05-01  8:28             ` Baruch Siach
2022-05-01 11:44         ` Russell King (Oracle)
2022-05-01 11:45           ` Baruch Siach
2022-05-01 11:37     ` Russell King (Oracle)
2022-05-01 11:34   ` Russell King (Oracle)
2022-04-28 14:28 ` Jakub Kicinski
2022-04-28 16:29   ` Marcin Wojtas [this message]
2022-05-01 11:30 ` Russell King (Oracle)

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