Re: [PATCH 15/30] usb/musb: use a Kconfig choice to pick the rightDMA method

From: Russell King - ARM Linux
Date: Sun Oct 02 2011 - 12:15:27 EST

On Sun, Oct 02, 2011 at 04:45:45PM +0200, Arnd Bergmann wrote:
> The logic to allow only one DMA driver in MUSB is currently
> flawed, because it also allows picking no DMA driver at all
> and also not selecting PIO mode.
> Using a choice statement makes this foolproof for now and
> also simplifies the Makefile.
> Unfortunately, we will have to revisit this when we start
> supporting multiple ARM platforms in a single kernel binary,
> because at that point we will actually need to select
> multiple DMA drivers and pick the right one at run-time.

I thought there was some work going on to convert this to use the
dmaengine stuff?

But in any case, a stop-gap fix is needed for randconfig.
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