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Date:   Sun, 15 Nov 2020 17:58:52 +0100
From:   Martin Blumenstingl <>
To:     Andrew Lunn <>
Cc:     Hauke Mehrtens <>,,,,,,,
Subject: Re: [PATCH] net: lantiq: Wait for the GPHY firmware to be ready

Hi Andrew,

On Sun, Nov 15, 2020 at 4:57 PM Andrew Lunn <> wrote:
> > Add a 300ms delay after initializing all GPHYs to ensure that the GPHY
> > firmware had enough time to initialize and to appear on the MDIO bus.
> > Unfortunately there is no (known) documentation on what the minimum time
> > to wait after releasing the reset on an internal PHY so play safe and
> > take the one for the external variant. Only wait after the last GPHY
> > firmware is loaded to not slow down the initialization too much (
> > xRX200 has two GPHYs but newer SoCs have at least three GPHYs).
> Hi Martin
> Could this be moved into gswip_gphy_fw_list() where the actual
> firmware download happens?
> To me that seems like the more logical place.
good point, that's closer to the loop over all GPHY instances.
I've taken care of it in v2 - many thanks!

Best regards,

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