[PATCH 07/18] dmaengine/amba-pl08x: Enable/Disable amba_pclk with channel requests

[Linus Walleij]

2011/7/30 Russell King - ARM Linux <linux at arm.linux.org.uk>:
> On Sat, Jul 30, 2011 at 01:07:40PM +0100, Russell King - ARM Linux wrote:
>> It may make better sense to convert this to runtime PM.  I suspect
>> that there's core support which the amba/bus.c can do to help in that
>> respect (eg, managing the apb pclk itself) so that we don't have to
>> add the same code to every primecell driver.
>
> Something like this for the bus driver (untested):
>
>  drivers/amba/bus.c |   38 ++++++++++++++++++++++++++++++++++++--
>  1 files changed, 36 insertions(+), 2 deletions(-)

I think the pm_runtime_* code Rabin put in place inside
drivers/spi/spi-pl022.c would play really well with this approach, and
just work, so:
Acked-by: Linus Walleij <linus.walleij at linaro.org>

Thanks,
Linus Walleij