ARM: shmobile: r8a7740: Add CPU sleep suspend

Browse source

Add the lighest possible sleep mode on Cortex-A9 cores: CPU sleep.
It is entered by a simple dsb and wfi instruction via cpu_do_idle(). As
just clocks are stopped there is no need to save or restore any state of
the system.

Signed-off-by: Bastian Hecht <hechtb+renesas@gmail.com>
Acked-by: Magnus Damm <damm@opensource.se>
[ horms@verge.net.au: Added missing includes ]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

...

This commit is contained in:

Bastian Hecht 2012-12-05 12:13:07 +00:00 • committed by Simon Horman

parent 13baf88bd6

commit 895d3b53fd

3 changed files with 25 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

2

arch/arm/mach-shmobile/board-armadillo800eva.c

View file

1

arch/arm/mach-shmobile/include/mach/common.h

View file

22

arch/arm/mach-shmobile/pm-r8a7740.c

View file