> -----Original Message----- > From: Andrew Lunn <and...@lunn.ch> > Sent: 2021年3月26日 20:34 > To: Joakim Zhang <qiangqing.zh...@nxp.com> > Cc: Florian Fainelli <f.faine...@gmail.com>; hkallwe...@gmail.com; > netdev@vger.kernel.org > Subject: Re: FEC unbind/bind feature > > > One more add, yes, I am looking the drivers/net/mdio, it is better to > implement standalone MDIO driver when writing the MAC driver at the > beginning. > > Now if I abstract MDIO driver from FEC driver, dt bindings would change, it > will break all existing implementations in the kernel based on FEC driver, let > them can't work. > > How to compatible the legacy dt bindings? I have no idea now. At the same > time, I also feel that it seems not necessary to rewrite it. > > I have a reasonable understanding of the FEC MDIO driver. I have broken it a > few times :-) > > It is going to be hard to make it an independent driver, because it needs > access > to the interrupt flags and the clocks for power saving. From a hardware > perspective, it is not an independent hardware block, it is integrated into > the > MAC. > > XDP probably is your easier path.
Thanks Andrew for your share, you mean use XDP instead DPDK, right? Best Regards, Joakim Zhang > Andrew
