Re: [PATCH net-next V2] net: pcs: xpcs: Add 2500BASE-X case in get state for XPCS drivers

From: Serge Semin
Date: Thu Oct 26 2023 - 10:48:14 EST


On Thu, Oct 26, 2023 at 12:03:39PM +0100, Russell King (Oracle) wrote:
> On Thu, Oct 26, 2023 at 03:46:42PM +0530, Raju Lakkaraju wrote:
> > Add DW_2500BASEX case in xpcs_get_state( ) to update speed, duplex and pause
> >
> > Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@xxxxxxxxxxxxx>
>
> Sorry for not doing a fuller review with the earlier iteration today.
>
> Also, please note that on netdev, it's customary not to post more than
> one version of a patch per day. Please see the netdev FAQ for guidance.
>
> > +static int xpcs_get_state_2500basex(struct dw_xpcs *xpcs,
> > + struct phylink_link_state *state)
> > +{

> > + int sts;
> > +
> > + sts = xpcs_read(xpcs, MDIO_MMD_VEND2, DW_VR_MII_MMD_STS);
>
> if (sts < 0) {
> state->link = 0;
> return sts;

My 5cents to this note. Please use "ret" variable name as it's implied
by the local naming convention.

-Serge(y)

> }
>
> especially as a negative errno value could result in state->link being
> true.
>
> Thanks.
>
> --
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