rtc/i2c-mpc stops working with 2.6.27 on Linkstation HG (powerpc)

[Michael Weiser]

Hello,

with 2.6.27(-gentoo) the rtc (Ricoh 5c372) is no longer found on my
Linkstation HG. It seems, the i2c-mpc driver doesn't even find the I2C
controller.

Could this be related to commit
#0d1cde235874b00905bce23f659690d060ebf475 (powerpc/i2c: Convert i2c-mpc
into an of_platform driver,
http://kerneltrap.org/mailarchive/git-commits-head/2008/7/16/2522594/thread)?

What do I need to do, to make it work again?

The configs are virtually identical. The kernels are loaded with their
respective dtb files. The dtb and dts files are identical anyways.
-- 
Thanks,
Micha
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