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Message-ID: <20200922084957.GC8477@alpha.franken.de>
Date: Tue, 22 Sep 2020 10:49:57 +0200
From: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To: Christoph Hellwig <hch@....de>
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>,
"James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
Joonyoung Shim <jy0922.shim@...sung.com>,
Seung-Woo Kim <sw0312.kim@...sung.com>,
Ben Skeggs <bskeggs@...hat.com>,
Marek Szyprowski <m.szyprowski@...sung.com>,
Tomasz Figa <tfiga@...omium.org>,
Matt Porter <mporter@...nel.crashing.org>,
iommu@...ts.linux-foundation.org,
Stefan Richter <stefanr@...6.in-berlin.de>,
linux1394-devel@...ts.sourceforge.net, linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-mips@...r.kernel.org,
linux-parisc@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
nouveau@...ts.freedesktop.org, netdev@...r.kernel.org,
linux-scsi@...r.kernel.org, linux-mm@...ck.org,
alsa-devel@...a-project.org
Subject: Re: [PATCH 09/18] sgiwd93: convert to dma_alloc_noncoherent
On Tue, Sep 15, 2020 at 05:51:13PM +0200, Christoph Hellwig wrote:
> Use the new non-coherent DMA API including proper ownership transfers.
> This also means we can allocate the memory as DMA_TO_DEVICE instead
> of bidirectional.
>
> Signed-off-by: Christoph Hellwig <hch@....de>
> ---
> drivers/scsi/sgiwd93.c | 14 +++++++-------
> 1 file changed, 7 insertions(+), 7 deletions(-)
Tested-by: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
--
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]
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