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SubjectRe: [PATCH net-next v2 0/4] net: phy: EEE fixes
On Tue, Feb 21, 2023 at 10:48:09AM +0100, Oleksij Rempel wrote:
> On Tue, Feb 21, 2023 at 09:36:35AM +0000, Russell King (Oracle) wrote:
> > On Tue, Feb 21, 2023 at 06:03:30AM +0100, Oleksij Rempel wrote:
> > > changes v2:
> > > - restore previous ethtool set logic for the case where advertisements
> > > are not provided by user space.
> >
> > I don't think the _kernel_ should be doing this - this introduces a
> > different behaviour to the kernel. As I already said, setting the
> > default advertisement in the case of ethtool -s is done by userspace
> > not by the kernel.
> >
> > In fact, the kernel explicitly rejects an attempt to have autoneg
> > enabled with a zero advertising mask:
> >
> > linkmode_copy(advertising, cmd->link_modes.advertising);
> > linkmode_and(advertising, advertising, phydev->supported);
> > if (autoneg == AUTONEG_ENABLE && linkmode_empty(advertising))
> > return -EINVAL;
> >
> > and I think we should have a uniform behaviour with the same API,
> > rather than different behaviours, as that becomes quite messy.
>
> I decided to revert this part to not mix different issue. This logic
> existed before my refactoring. So, it is better to handle it as
> different patch. Current patch set should address only regressions.

Okay, let's keep it like that then. Thanks.

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