In message <200810241916.54137.zzam@xxxxxxxxxx>, Matthias Schwarzott wrote: hi. >On Freitag, 24. Oktober 2008, Darron Broad wrote: >> In message <200810241247.08480.zzam@xxxxxxxxxx>, Matthias Schwarzott wrote: >> >> Hiya. >> >> >Hi! >> > >> >@Mauro: Please pull this patch >> >There already is an report at kernel bugzilla about this issue: >> >http://bugzilla.kernel.org/show_bug.cgi?id=9455 >> > >> >When enabling extra checks for the i2c-bus of cx88 based cards by >> >loading i2c_algo_bit with bit_test=1 this may trigger an oops >> >when loading cx88_dvb. >> > >> >This is caused by the extra check code that detects that the >> >sda-line is stuck high and thus does not register the i2c-bus. >> > >> >cx88-dvb however does not check if the i2c-bus is valid and just >> >uses core->i2c_adap to attach dvb frontend modules. >> >This leads to an oops at the first call to i2c_transfer: >> > >> ># modprobe i2c_algo_bit bit_test=1 >> ># modprobe cx8802 >> >> Thanks for this information. If you don't mind, would you let >> me utilise this fix in another way? >> >> I have been auditing MFE additions and I need to change >> something elsewhere and can see an alternative to >> to bailing out in dvb_register? >> >> Thanks > >I think Mauro already applied it, but well, if you want it in another place, >the check could also be placed in cx8802_dvb_probe around the line where >vp3054_i2c_probe is called. Yes, that is where I have put it on my local clean-ups and fixes just above that detection. I have lots of stuff which is work in progress which will be ready soon. Thanks. -- // / {:)==={ Darron Broad <darron@xxxxxxxx> \\ \ _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
