On Wed, Sep 01, 2010 at 03:10:53PM -0700, Joe Ghalam wrote: > Hi, > I have been trying to include you i2c changes to bring in support for the > i2c muxes in my system. I'm using Linux 2.6.33.2 with an MPC8547E. There > are two IC2 buses hanging off the host processor. The 2nd I2C bus has 3 > LT4306 multiplexers (4 ch per device). > > My current setup (without the i2c-mux) uses the buses/i2c-mpc.c to create > two adapters mapped to /dev/i2c-0 and /dev/i2c-1 (these devices are > services by an i2c proxy). I would like to move away from this setup by > using i2c-mux + mux specific drivers. > > I have ported your changes in my version of Linux as best as I could, and > I also used pca542x related files as templates to create support for > ltc4306. During the system boot up, as usual, I see two "MPC adapter" > adapters, 0 and 1, getting registered, and I also see my LTC4306 device > registered. But I haven't been able to change the i2c-mpc to probe the > already discovered buses for any muxes. Maybe you should provide some code and/or debugging messages... I'm sorry but I don't understand your problem. Ciao, Rodolfo -- GNU/Linux Solutions e-mail: giometti@xxxxxxxxxxxx Linux Device Driver giometti@xxxxxxxx Embedded Systems phone: +39 349 2432127 UNIX programming skype: rodolfo.giometti Freelance ICT Italia - Consulente ICT Italia - www.consulenti-ict.it -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html