[PATCH] TWD: enable one-shot mode

[Linus Walleij]

2010/12/24 Russell King - ARM Linux <linux at arm.linux.org.uk>:
> Allow one shot timer mode to be used with the TWD.  This allows
> NOHZ mode to be used on SMP systems using the TWD localtimer.
>
> Tested on Versatile Express.
>
> Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>
> ---
> Acks/Tested-by's would be appreciated, thanks.

Tested on the U8500 and doesn't seem to break anything...

Local interrupts after a few minutes of use before patching
(and enabling NO_HZ):
LOC:       8203       8224

After patching;
LOC:        233        322

Looks like it's working, too.

Tested-by: Linus Walleij <linus.walleij at stericsson.com>

Yours,
Linus Walleij