Re: [PATCH net-next] net: micrel: Fix set/get PHC time for lan8814

[Vadim Fedorenko]

On 26/01/2024 13:15, Andrew Lunn wrote:
> > > +	*sec |= lanphy_read_page_reg(phydev, 4, PTP_CLOCK_READ_SEC_MID);
> >
> > lanphy_read_page_reg returns int, but only 16 bits have meanings here.
> > Is it safe to assume that other 16 bits will be zeros always?
>
> Yes. __phy_read() should only return a negative error code, or a value
> which fits in a u16. If any of the top bits are set, its a bug in the
> MDIO driver which needs finding and fixing.

Got it. Thanks Andrew