On Wed, Nov 07, 2007 at 04:55:10PM +0000, Maciej W. Rozycki wrote: > On Tue, 30 Oct 2007, Martin Michlmayr wrote: > > > * Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx> [2007-09-11 12:44]: > > > Disable EARLY PRINTK, because it breaks serial console > > > > Ralf, at the moment IP22 output stops after "Serial: IP22 Zilog driver > > (1 chips).". Can you put this patch in until there's a real fix? > > Is it by any chance the same problem that I noticed with the DECstation > and reported in the thread starting at: it's the same problem > "http://marc.info/?l=linux-kernel&m=119030963931879&w=2";? If so, there is > a fix for the DECstation provided somewhere down the discussion which you > may consider porting to IP22. I think the change to the serial core by > RMK mentioned there has already been applied upstream. I ported your fix, but it didn't work for me. Maybe because the IP22 zilog driver is still a little bit different than the DEC one. > Ideally, of course, all the SCC drivers should get merged eventually, but > due to subtle (and sometimes broken, as it is the case with the > DECstation) differences in wiring for various systems it may never really > happen, sigh... having a more generic zilog driver with platform backends is quite high on my todo list. But I won't make promisses when this happens... Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessary a good idea. [ RFC1925, 2.3 ]
