From: olof@lixom•net (Olof Johansson)
To: Segher Boessenkool <segher@kernel•crashing.org>
Cc: linuxppc-dev@ozlabs•org, paulus@samba•org, egor@pasemi•com,
Arnd Bergmann <arnd@arndb•de>,
cpufreq@lists•linux.org.uk
Subject: Re: [PATCH v2] [2.6.22] pasemi: cpufreq driver
Date: Thu, 26 Apr 2007 15:38:02 -0500 [thread overview]
Message-ID: <20070426203802.GC17302@lixom.net> (raw)
In-Reply-To: <c8fb6a47d8be41f856ab9cf19fc3814d@kernel.crashing.org>
On Thu, Apr 26, 2007 at 09:05:59PM +0200, Segher Boessenkool wrote:
> >>Unfortunately the setting of the current active state is done to an
> >>SDC
> >>register, while information of the states is in the PMU, so access to
> >>both is needed in the driver.
> >
> >One thing that you could do is to list only this one register of the
> >SDC in the reg property, not all of the SDC.
>
> The system-controller node should really describe
> all of the system controller. If the Linux driver
> needs to access two separate devices, it should
> really just do that. Don't try to make things
> "simpler" in the device tree.
>
> You probably should map the SDC registers in the
> platform startop code, and then have the various
> platform drivers use that. Maybe even do an
> abstraction ;-)
Yep, it's a good idea to do and I'll look at it for 2.6.23 time frame.
Thanks,
-Olof
next prev parent reply other threads:[~2007-04-26 20:37 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-25 20:46 [PATCH] [2.6.22] pasemi: cpufreq driver Olof Johansson
2007-04-25 23:47 ` Arnd Bergmann
2007-04-25 23:57 ` Olof Johansson
2007-04-26 1:57 ` Olof Johansson
2007-04-26 6:56 ` cbe_cpufreq crashes my machine Olof Johansson
2007-04-26 8:39 ` Benjamin Herrenschmidt
2007-04-26 23:07 ` [PATCH] cell: cbe_cpufreq cleanup and crash fix Olof Johansson
2007-04-27 5:22 ` [Cbe-oss-dev] " Akinobu Mita
2007-04-27 5:32 ` Olof Johansson
2007-04-27 5:33 ` [PATCH v2] " Olof Johansson
2007-04-27 7:55 ` Christian Krafft
2007-04-26 5:37 ` [PATCH v2] [2.6.22] pasemi: cpufreq driver Olof Johansson
2007-04-26 8:55 ` Arnd Bergmann
2007-04-26 16:48 ` Olof Johansson
2007-04-26 17:11 ` Arnd Bergmann
2007-04-26 19:05 ` Segher Boessenkool
2007-04-26 20:38 ` Olof Johansson [this message]
2007-04-27 0:10 ` Segher Boessenkool
2007-04-26 20:26 ` Olof Johansson
2007-04-26 20:43 ` Arnd Bergmann
2007-04-26 10:26 ` Johannes Berg
2007-04-26 20:37 ` Olof Johansson
2007-04-27 9:40 ` Johannes Berg
2007-04-27 18:09 ` Olof Johansson
2007-04-27 5:46 ` [PATCH v3] " Olof Johansson
2007-04-29 2:50 ` Dominik Brodowski
2007-04-29 3:40 ` Stephen Rothwell
2007-04-29 4:39 ` Olof Johansson
2007-04-29 4:42 ` Olof Johansson
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