Re: [PATCH net v2] net: mvpp2: 10G modes aren't supported on all ports

From: Antoine Tenart
Date: Fri Dec 14 2018 - 11:09:48 EST


Hi Russell,

On Fri, Dec 14, 2018 at 04:02:50PM +0000, Russell King - ARM Linux wrote:
> On Fri, Dec 14, 2018 at 10:34:51AM +0100, Antoine Tenart wrote:
> > The mvpp2_phylink_validate() function sets all modes that are
> > supported by a given PPv2 port. A recent change made all ports to
> > advertise they support 10G modes in certain cases. This is not true,
> > as only the port #0 can do so. This patch fixes it.
> >
> > Fixes: 01b3fd5ac97c ("net: mvpp2: fix detection of 10G SFP modules")
> > Cc: Baruch Siach <baruch@xxxxxxxxxx>
> > Signed-off-by: Antoine Tenart <antoine.tenart@xxxxxxxxxxx>
>
> Looking at net-next, I think there's more to be fixed here:
>
> case PHY_INTERFACE_MODE_RGMII:
> case PHY_INTERFACE_MODE_RGMII_ID:
> case PHY_INTERFACE_MODE_RGMII_RXID:
> case PHY_INTERFACE_MODE_RGMII_TXID:
> case PHY_INTERFACE_MODE_SGMII:
> ...
> phylink_set(mask, 10000baseT_Full);
>
> Is that really true?

Good catch. Will you send a fix or do you want me to do it?

Thanks,
Antoine

--
Antoine Ténart, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com