| To: | Ralf Baechle <ralf@linux-mips.org> |
|---|---|
| Subject: | Re: FW: Alchemy power managment code. |
| From: | Sergei Shtylyov <sshtylyov@ru.mvista.com> |
| Date: | Fri, 28 Mar 2008 14:39:58 +0300 |
| Cc: | Nico Coesel <ncoesel@DEALogic.nl>, linux-mips@linux-mips.org |
| In-reply-to: | <20080327223247.GB26997@linux-mips.org> |
| Organization: | MontaVista Software Inc. |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <19CA9E279FDA5246B7D7A1C91A4AF7F40EF804@dealogicserver.DEALogic.nl> <47EA7A7B.8020602@ru.mvista.com> <20080327223247.GB26997@linux-mips.org> |
| Sender: | linux-mips-bounce@linux-mips.org |
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Ralf Baechle wrote: 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). BTW, for anybody interested in Alchemy PM code, here's the interesting link: [ftp|http]://ftp.enneenne.com/pub/misc/au1100-patches/linux/. It contains a lot of unmerged PM patches by Rodolfo Giometti (and not only that) from around 2.6.17 time. Anybody interested in reviewing these patches and polishing them to be applied to a recent kernel? I am, at least to some extent. But I'm not sure I'll have enough time from now on. Should have started earlier... Ralf WBR, Sergei |
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