Re: [PATCH net-next v6 5/8] net: phy: Immediately call adjust_link if only tx_lpi_enabled changes

[Andrew Lunn]

On Mon, Feb 26, 2024 at 05:53:31PM +0000, Russell King (Oracle) wrote:
> On Mon, Feb 26, 2024 at 09:50:02AM -0800, Florian Fainelli wrote:
> > This is the source of the concern, we don't know which MAC drivers we might
> > end-up breaking by calling adjust_link(link == 1) twice in a row, hopefully
> > none, because they should be well written to only update the parameters that
> > need updating, but who knows?
> 
> Just quickly... There are some (I went through a bunch.) They don't
> support EEE. I haven't been through all though, so there could be
> some which support EEE and where adjust_link() with phydev->link=true
> twice in a row could result in badness.

So i think we all agree the MAC needs to see a down/up, even if the
link itself never went down. Anything else is too risky and will
probably break something somewhere.

	 Andrew