>>In the code which defines 'phy_info_lxt971', it says that somehow LXT971 >>tells me that the link is down when the first read after power-up. So >>you have to read MII_REG_SR to set 'fep->phy_status' accordingly. But in >>my case, the read action occurred too early to wait till the link is up. >>So what I did is to delay 5s before reading MII_REG_SR during opening >>FEC device. I guess it takes the link a while to autonegotiate the speed. > > Hmm. I suppose PHY should interrupt when link status change, and therefore > phy_status would be updated accordingly. So, maybe you have a problem with > your board's PHY interrupt signal.
Yeah, I think so. So I have to check whether the PHY interrupt is enabled or not. Thanks for your thoughts. - Shawn. ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
