Re: [PATCH] net: mvpp2: add delay at the end of .mac_prepare

Russell King (Oracle)
2022-05-01T11:30:17Z

On Wed, Apr 27, 2022 at 06:05:36PM +0300, Baruch Siach wrote:
> From: Baruch Siach <baruch.siach@siklu.com>
>
> Without this delay PHY mode switch from XLG to SGMII fails in a weird
> way. Rx side works. However, Tx appears to work as far as the MAC is
> concerned, but packets don't show up on the wire.
>
> Tested with Marvell 10G 88X3310 PHY.

Which firmware do you have running on the 88x3310 PHY? Early versions
are buggy when switching between modes.

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