[PATCH] ARM: twd: Adjust localtimer frequency with cpufreq notifiers

[Linus Walleij]

2010/11/18 Colin Cross <ccross at android.com>:

> The clock to the ARM TWD local timer scales with the cpu
> frequency. To allow the cpu frequency to change while
> maintaining a constant TWD frequency, pick a lower target
> frequency for the TWD and use the prescaler to divide down
> to the closest lower frequency.

We are using this with some custom hooks for the U8500.

Tested-by: Linus Walleij <linus.walleij at linaro.org>

Martin Persson can probably provide an additional Tested-by
from ST-Ericsson if it helps.

Colin are you merging this patch for 2.6.39 through
Russells tracker or pull request? It's an important patch
for us.

Yours,
Linus Walleij