linux-kernel - Re: [01/32] net: pasemi: set a 64-bit DMA mask on the DMA device

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Date:   Fri, 22 Feb 2019 20:47:56 +1100 (AEDT)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Christoph Hellwig <hch@....de>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Olof Johansson <olof@...om.net>
Cc:     iommu@...ts.linux-foundation.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org,
        Christian Zigotzky <chzigotzky@...osoft.de>
Subject: Re: [01/32] net: pasemi: set a 64-bit DMA mask on the DMA device

On Wed, 2019-02-13 at 07:01:02 UTC, Christoph Hellwig wrote:
> The pasemi driver never set a DMA mask, and given that the powerpc
> DMA mapping routines never check it this worked ok so far.  But the
> generic dma-direct code which I plan to switch on for powerpc checks
> the DMA mask and fails unsupported mapping requests, so we need to
> make sure the proper 64-bit mask is set.
> 
> Reported-by: Christian Zigotzky <chzigotzky@...osoft.de>
> Signed-off-by: Christoph Hellwig <hch@....de>
> Tested-by: Christian Zigotzky <chzigotzky@...osoft.de>

Series applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/74ebe3e733b791f37415b3a1b917ee50

cheers