On Fri, Apr 20, 2018 at 2:55 PM, Andrew Lunn <and...@lunn.ch> wrote: > On Fri, Apr 20, 2018 at 11:44:14AM +0300, Ran Shalit wrote: >> Hello, >> >> We configure external switch in u-boot. >> The configuration is through mdio (cpu is mac and switch is phy). >> >> But in Linux we rather not implement any communication in mdio to >> switch, but it means that we then don't have the information of link >> state. >> >> Is it possible to force in Linux (by default in startup) Ethernet >> connectivity (netif_carrier_on, netif_wake_queue) even if there is no >> information of real link state ? > > Hi Ran > > Use a fixed-phy. >
Hi Andrew, I'll check about fixed phy, but in general, is it a problem to have always netif_carrier_on, even when there is no link ? Thank you, ranran
