be careful with the latest v28 of the kernel1 it's very experimental. It works fine for me (including deinstallation) but one user reported problems with LR1.2. please let me know whether there are any problems.
Linux Nokia-N900-02-8 2.6.28.10power28 #1 PREEMPT Sun May 16 20:38:35 EEST 2010 armv7l unknown
enable_off_mode 1 sleep_while_idle 1 sr_vdd1_autocomp 0 sr_vdd2_autocomp 0 clocks_off_while_idle 1 voltage_off_while_idle 1 scaling_governor ondemand scaling_max_freq 1100000 scaling_min_freq 250000 sleep_ind 1