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Date:   Sat, 9 May 2020 16:47:31 -0700
From:   Florian Fainelli <>
To:     Michael Walle <>,,
Cc:     Andrew Lunn <>,
        Heiner Kallweit <>,
        Russell King <>,
        "David S . Miller" <>
Subject: Re: [PATCH net-next 1/4] net: phy: broadcom: add exp register access
 methods without buslock

On 5/9/2020 3:37 PM, Michael Walle wrote:
> Add helper to read and write expansion registers without taking the mdio
> lock.
> Please note, that this changes the semantics of the read and write.
> Before there was no lock between selecting the expansion register and
> the actual read/write. This may lead to access failures if there are
> parallel accesses. Instead take the bus lock during the whole access
> cycle.
> Signed-off-by: Michael Walle <>

Reviewed-by: Florian Fainelli <>

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