Dear Simon Glass, In message <BANLkTi=oumockmg45vv6jo9wpme+oqj...@mail.gmail.com> you wrote: > > >> Yes, it is important to shut down devices. =A0Especially with USB > >> devices. ... > Actually on second thoughts this actually conflicts which what you are > telling me on the rejected patch.
Not really. > If the Ethernet adapter shuts down when halt() is called, then > presumably it will lose the link. Then when a tftp comes along, there > is a delay while it re-establishes the link. > > So we have: > > bootp (calls init, send, recv, halt) > tftp (calls init, send, recv, halt) > > If halt takes the link down then there will be a delay, which is what > my rejected patch was trying to work around. > > So I think either halt should leave the link up, or we need a way to > not call init/halt all the time. The second is probably true. See the discussion we had about this when Stefano Babic implemented netconsole over ethernet over USB. Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de panic: kernel trap (ignored) _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
