Re: [PATCH 0/6] Renesas R-Car DMAC fixes

[Laurent Pinchart <laurent.pinchart@ideasonboard.com>]

Hi Geert,

On Tuesday 27 January 2015 18:42:54 Geert Uytterhoeven wrote:
> On Tue, Jan 27, 2015 at 6:25 PM, Laurent Pinchart wrote:
> > Here are a couple of fixes for the rcar-dmac driver. They're based on the
> > next branch of the dmaengine tree.
> > 
> > The first four patches fix driver bugs, while the last two work around two
> > hardware issues. Patch 5 works around a documented errata, while patch 6
> > handles a data corruption issue that was noticed during test but not yet
> > confirmed to be a hardware bug by Renesas. When more information about the
> > issue will be available a better fix could possibly be developed.
> 
> Thanks for this series!
> 
> BTW, do you have a pointer to the IOMMU errata?

It's a DMAC errata, and all I have is short explanation received in an e-mail 
I'm afraid.

> > Laurent Pinchart (6):
> >   dmaengine: rcar-dmac: Fix uninitialized variable usage
> >   dmaengine: rcar-dmac: Fix spinlock issues in interrupt
> >   dmaengine: rcar-dmac: Fix oops due to unintialized list in error ISR
> >   dmaengine: rcar-dmac: Allocate hardware descriptors with DMAC device
> >   dmaengine: rcar-dmac: Work around descriptor mode IOMMU errata
> >   dmaengine: rcar-dmac: Disable channel 0 when using IOMMU
> 
> Look all good to me, so
> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>

Thank you.

-- 
Regards,

Laurent Pinchart