Re: Using dmaengine on Freescale P2020 RDB

On Wed, Apr 6, 2011 at 2:40 PM, Chuck Ketcham [off-list ref] wrote:

Three of the channels were not used because they were already publicly al=

located. =A0One channel was

not used because it didn't have DMA_MEMCPY capability.

That's strange, because all four DMA channels are identical.

2. If dmaengine is correct, what can I do to free up a channel for my own=

 use?

There must be something else in your system using up the channels.

--=20
Timur Tabi
Linux kernel developer at Freescale