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Date:   Mon, 7 Sep 2020 21:09:32 -0700
From:   Florian Fainelli <>
To:     Paul Barker <>,
        Woojung Huh <>,
        Microchip Linux Driver Support <>,
        Andrew Lunn <>,
        Vivien Didelot <>,
        "David S . Miller" <>
Subject: Re: [PATCH v2 4/4] net: dsa: microchip: Implement recommended reset

On 9/7/2020 3:12 AM, Paul Barker wrote:
> The datasheet for the ksz9893 and ksz9477 switches recommend waiting at
> least 100us after the de-assertion of reset before trying to program the
> device through any interface.
> Also switch the existing msleep() call to usleep_range() as recommended
> in Documentation/timers/timers-howto.rst. The 2ms range used here is
> somewhat arbitrary, as long as the reset is asserted for at least 10ms
> we should be ok.
> Signed-off-by: Paul Barker <>

Reviewed-by: Florian Fainelli <>

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