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Date:   Thu, 26 May 2022 20:42:25 -0700
From:   Jakub Kicinski <kuba@kernel.org>
To:     =?UTF-8?B?Q2zDqW1lbnQgTMOpZ2Vy?= <clement.leger@bootlin.com>
Cc:     Vladimir Oltean <vladimir.oltean@nxp.com>,
        Andrew Lunn <andrew@lunn.ch>,
        Pavel Skripkin <paskripkin@gmail.com>,
        Claudiu Manoil <claudiu.manoil@nxp.com>,
        "alexandre.belloni@bootlin.com" <alexandre.belloni@bootlin.com>,
        "UNGLinuxDriver@microchip.com" <UNGLinuxDriver@microchip.com>,
        "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2] net: ocelot: fix wrong time_after usage
Message-ID: <20220526204225.03b7804c@kernel.org>
In-Reply-To: <20220523160004.6d285609@fixe.home>
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On Mon, 23 May 2022 16:00:04 +0200 Cl=C3=A9ment L=C3=A9ger wrote:
> > If you're looking at me, I don't have the hardware to test, sorry.
> > Frame DMA is one of the components NXP removed when building their DSA
> > variants of these switches. But the function is called once or twice per
> > NAPI poll cycle, so it's worth optimizing as much as possible.
> >=20
> > Clement, could you please do some testing? The patch that Andrew is
> > talking about is 35da1dfd9484 ("net: dsa: mv88e6xxx: Improve performance
> > of busy bit polling"). =20
>=20
> Ok, I'll have to wake up that ocelot board but I'll try to do that.

We can't hold it in PW for much longer, please repost once tested.