[PATCH] powerpc/e500mc: Add support for the wait instruction in e500_idle

Kumar Gala galak at kernel.crashing.org
Mon Jun 27 23:35:12 EST 2011


On Jun 22, 2011, at 6:10 PM, Scott Wood wrote:

> e500mc cannot doze or nap due to an erratum (as well as having a
> different mechanism than previous e500), but it has a "wait" instruction
> that is similar to doze.
> 
> On 64-bit, due to the soft-irq-disable mechanism, the existing
> book3e_idle should be used instead.
> 
> Signed-off-by: Vakul Garg <vakul at freescale.com>
> Signed-off-by: Scott Wood <scottwood at freescale.com>
> ---
> arch/powerpc/kernel/idle_e500.S        |   12 ++++++++++++
> arch/powerpc/platforms/85xx/p3041_ds.c |    1 +
> arch/powerpc/platforms/85xx/p4080_ds.c |    1 +
> arch/powerpc/platforms/85xx/p5020_ds.c |    5 +++++
> 4 files changed, 19 insertions(+), 0 deletions(-)

applied to next

- K


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