Re: [PATCH V3 1/2] of: Add generic device tree DMA helpers

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

On Thu, May 17, 2012 at 02:22:23PM +0100, Russell King - ARM Linux wrote:

> DMA on the other hand seems to have cases where you can make a choice
> between two or more providers of the service.  The impression that I'm
> getting from this thread is that it's difficult to describe that kind
> of relationship in DT - DT is good at describing "A provides X to C"
> but not "A _or_ B provides X to C and you can chose either A or B
> depending on <something> to satisfy X".

A similar thing exists in a lot of clock trees - often the final clock
block before an IP block includes a mux which could come from one of a
number of sources.

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel


[Linux ARM (vger)]     [Linux ARM MSM]     [Linux Omap]     [Linux Arm]     [Linux Tegra]     [Fedora ARM]     [eCos]     [Linux Fastboot]     [Gcc Help]     [Git]     [DCCP]     [IETF Announce]     [Security]     [PDAs]     [Linux]     [Linux MIPS]     [Yosemite Campsites]     [Photos]

Add to Google Follow linuxarm on Twitter