[RFC 19/34] dmaengine: PL08x: track mux usage on a per-channel basis.

[Linus Walleij]

On Tue, May 29, 2012 at 5:41 PM, Russell King
<rmk+kernel at arm.linux.org.uk> wrote:

> Keep track of the number of descriptors currently using a MUX setting
> on a per-channel basis.  This allows us to know when we have descriptors
> queued somewhere which have been assigned a DMA request signal.
>
> Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>

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

Yours,
Linus Walleij