Re: [PATCH v4 0/3] DEVFREQ, DVFS framework for non-CPU devices

["Rafael J. Wysocki" <rjw@sisk.pl>]

On Friday, July 15, 2011, MyungJoo Ham wrote:
> For a usage example, please look at
> http://git.infradead.org/users/kmpark/linux-2.6-samsung/shortlog/refs/heads/devfreq
> 
> In the above git tree, DVFS (dynamic voltage and frequency scaling) mechanism
> is applied to the memory bus of Exynos4210 for Exynos4210-NURI boards.
> In the example, the LPDDR2 DRAM frequency changes between 133, 266, and 400MHz
> and other related clocks simply follow the determined DDR RAM clock.
> 
> The DEVFREQ driver for Exynos4210 memory bus is at
> /arch/arm/mach-exynos4/devfreq_bus.c in the git tree.
> 
> MyungJoo Ham (3):
>   PM: Introduce DEVFREQ: generic DVFS framework with device-specific
>     OPPs
>   PM / DEVFREQ: add example governors
>   PM / DEVFREQ: add sysfs interface (including user tickling)

OK, I'm going to take the patches for 3.2.

Thanks,
Rafael


>  Documentation/ABI/testing/sysfs-devices-power |   50 ++
>  Documentation/ABI/testing/sysfs-power         |   43 ++
>  drivers/base/power/Makefile                   |    1 +
>  drivers/base/power/devfreq.c                  |  714 +++++++++++++++++++++++++
>  drivers/base/power/opp.c                      |    9 +
>  include/linux/devfreq.h                       |  119 ++++
>  kernel/power/Kconfig                          |   34 ++
>  7 files changed, 970 insertions(+), 0 deletions(-)
>  create mode 100644 drivers/base/power/devfreq.c
>  create mode 100644 include/linux/devfreq.h
> 
>