linux-kernel - Re: [PATCH net-next 0/4] net: phy: mscc-miim: reduce waiting time between MDIO transactions

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Date:   Tue, 26 May 2020 15:34:16 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     antoine.tenart@...tlin.com
Cc:     andrew@...n.ch, f.fainelli@...il.com, hkallweit1@...il.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        alexandre.belloni@...tlin.com, thomas.petazzoni@...tlin.com,
        allan.nielsen@...rochip.com
Subject: Re: [PATCH net-next 0/4] net: phy: mscc-miim: reduce waiting time
 between MDIO transactions

From: Antoine Tenart <antoine.tenart@...tlin.com>
Date: Tue, 26 May 2020 18:22:52 +0200

> This series aims at reducing the waiting time between MDIO transactions
> when using the MSCC MIIM MDIO controller.
> 
> I'm not sure we need patch 4/4 and we could reasonably drop it from the
> series. I'm including the patch as it could help to ensure the system
> is functional with a non optimal configuration.
> 
> We needed to improve the driver's performances as when using a PHY
> requiring lots of registers accesses (such as the VSC85xx family),
> delays would add up and ended up to be quite large which would cause
> issues such as: a slow initialization of the PHY, and issues when using
> timestamping operations (this feature will be sent quite soon to the
> mailing lists).

Series applied, thank you.