On Mon, 17 Jun 2019, Andreas Schwab wrote: > On Jun 17 2019, Paul Walmsley <paul.walmsley@xxxxxxxxxx> wrote: > > > On Mon, 17 Jun 2019, Andreas Schwab wrote: > > > >> On Jun 17 2019, Paul Walmsley <paul.walmsley@xxxxxxxxxx> wrote: > >> > >> > Looks to me that it shouldn't have an impact unless the DT string is > >> > present, and even then, the impact might simply be that the MACB driver > >> > may not work? > >> > >> If the macb driver doesn't work you have an unusable system, of course. > > > > Why? > > Because a system is useless without network. >From an upstream Linux point of view, Yash's patches should be an improvement over the current mainline kernel situation, since there's currently no upstream support for the (SiFive-specific) TX clock switch register. With the right DT data, and a bootloader that handles the PHY reset, I think networking should work after his patches are upstream -- although I myself haven't tried this yet. - Paul
