On Fri, Nov 26, 2021 at 04:12:46PM +0000, Wells Lu 呂芳騰 wrote: > Hi Andrew, > > > From data provided by ASIC engineer, MAC of SP7021 only > reads the 4 registers of PHY: > 0: Control register > 1: Status register This is the register which has latching of the link status. genphy_update_link() expects this latching behaviour, and if the hardware reads the register, that behaviour is not going to happen. Andrew
