|To:||Nico Coesel <ncoesel@DEALogic.nl>|
|Subject:||Re: FW: Alchemy power managment code.|
|From:||Sergei Shtylyov <firstname.lastname@example.org>|
|Date:||Mon, 24 Mar 2008 17:23:44 +0300|
|Organization:||MontaVista Software Inc.|
|User-agent:||Mozilla/5.0 (X11; U; Linux i686; rv:1.7.2) Gecko/20040803|
Hello. Nico Coesel wrote:
Ralf, Funny you ask because I tried this yesterday on a AU1100 system with the 2.6.24 kernel (from kernel.org). I'm afraid I must say the kernel crashes when I enable power management. The reason I want to use power management is because I need to send the CPU to sleep when the system shuts down. I hacked power.c and reset.c a bit so au_sleep() is called when the system is shut down. Perhaps someone can confirm the powermanagement can be made to work with some fixes (it didn't work with 2.6.21-rc4 either).
The TOY cpunter 0 clockevent driver is also need to be written for the recent kernel as CP0 timer stops ticking after wait insn is executed -- see arch/mips/au1000/common/time.c...
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