Re: [4.0-rc+] WARNING: CPU: 0 PID: 1 at ./drivers/dma/dmaengine.c:863 dma_async_device_register+0xe0/0x540()

From: Maxime Ripard
Date: Thu Apr 09 2015 - 03:10:44 EST

On Wed, Apr 08, 2015 at 12:26:13PM -0400, Peter Hurley wrote:
> Linus,
> I just got an automated bounce reply from Vinod Koul stating
> he's on vacation til April 12th, so I'd appreciate if you could
> revert this commit [1] for 4.0-final.
> The commit generates a WARNING [2] in a effort to get dmaengine drivers
> to add new functionality.
> I sent Vinod a note that this was happening on Beaglebone Blacks
> back on Mar 5 (-rc3). He thought the functionality would be added
> shortly, but it wasn't, so the WARNING is still happening on -rc7.

For completeness, note that this is just a warning generated at
boot. It doesn't change the previous behaviour in any way.

Any existing code will work just as well as it used to.


Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering

Attachment: signature.asc
Description: Digital signature