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Date: Mon, 2 Sep 2013 15:45:14 +0100 From: Julien Grall <julien.grall@...rix.com> To: Stefano Stabellini <stefano.stabellini@...citrix.com> CC: <xen-devel@...ts.xensource.com>, <linux@....linux.org.uk>, <Ian.Campbell@...rix.com>, <will.deacon@....com>, <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, <ben-linux@...ff.org>, <kgene.kim@...sung.com>, <linux-samsung-soc@...r.kernel.org> Subject: Re: [Xen-devel] [PATCH v5 02/13] arm: introduce a global dma_ops pointer On 08/29/2013 07:32 PM, Stefano Stabellini wrote: > Initially set dma_ops to arm_dma_ops. > > > Signed-off-by: Stefano Stabellini <stefano.stabellini@...citrix.com> > Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com> > CC: will.deacon@....com > CC: linux@....linux.org.uk > > > Changes in v3: > - keep using arm_dma_ops in dmabounce. > --- > arch/arm/include/asm/dma-mapping.h | 3 ++- > arch/arm/mm/dma-mapping.c | 3 +++ > 2 files changed, 5 insertions(+), 1 deletions(-) > > diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h > index 0982206..7d6e4f9 100644 > --- a/arch/arm/include/asm/dma-mapping.h > +++ b/arch/arm/include/asm/dma-mapping.h > @@ -13,6 +13,7 @@ > #include <asm/cacheflush.h> > > #define DMA_ERROR_CODE (~0) > +extern struct dma_map_ops *dma_ops; Hi, I tried to build your swiotlb patch series for the Arndale. I have a compilation error because dma_ops is already used in samsung sound driver (sound/soc/samsung/dma.c). This small fix allow me to built this serie for the Arndale. Do I need to send it separately? ======================================================================= commit 73d4ceded87f52fa958b92d8d8d65be485e90857 Author: Julien Grall <julien.grall@...aro.org> Date: Mon Sep 2 15:36:35 2013 +0100 ASoC: Samsung: Rename dma_ops by samsung_dma_ops The commit "arm: introduce a global dma_ops pointer" introduce compilation issue when CONFIG_SND_SOC_SAMSUNG is enabled. sound/soc/samsung/dma.c:345:27: error: conflicting types for 'dma_ops' /local/home/julien/works/arndale/linux/arch/arm/include/asm/dma-mapping.h:16:28: note: previous declaration of 'dma_ops' was here Signed-off-by: Julien Grall <julien.grall@...aro.org> diff --git a/sound/soc/samsung/dma.c b/sound/soc/samsung/dma.c index ddea134..c341603 100644 --- a/sound/soc/samsung/dma.c +++ b/sound/soc/samsung/dma.c @@ -342,7 +342,7 @@ static int dma_mmap(struct snd_pcm_substream *substream, runtime->dma_bytes); } -static struct snd_pcm_ops dma_ops = { +static struct snd_pcm_ops samsung_dma_ops = { .open = dma_open, .close = dma_close, .ioctl = snd_pcm_lib_ioctl, @@ -429,7 +429,7 @@ out: } static struct snd_soc_platform_driver samsung_asoc_platform = { - .ops = &dma_ops, + .ops = &samsung_dma_ops, .pcm_new = dma_new, .pcm_free = dma_free_dma_buffers, }; -- Julien Grall -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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