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Groups > linux.kernel > #1220707
| From | Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] dmaengine: omap-dma: Add support for memcpy |
| Date | 2015-09-08 13:30 +0200 |
| Message-ID | <q6pg6-2No-11@gated-at.bofh.it> (permalink) |
| References | <phXqh-1tS-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Hi Peter, Thank you for the patch. While trying to port the omap_vout driver to the DMA engine API I noticed that the driver makes use of double-indexed transfers, which are not supported by the omap-dma driver. I haven't checked in details what would be required, but the interleaved API might be a good candidate for this. Do you have any plan to add support for double-indexed transfers to the omap-dma driver ? On Wednesday 22 April 2015 10:34:29 Peter Ujfalusi wrote: > The sDMA controller is capable of performing memory copy operation. It need > to be configured to software triggered mode and without HW synchronization. > The sDMA can copy data which is aligned to 8, 16 or 32 bits. > > Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> > --- > drivers/dma/omap-dma.c | 51 +++++++++++++++++++++++++++++++++++++++++++++-- > 1 file changed, 49 insertions(+), 2 deletions(-) -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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Re: [PATCH] dmaengine: omap-dma: Add support for memcpy Laurent Pinchart <laurent.pinchart@ideasonboard.com> - 2015-09-08 13:30 +0200 Re: [PATCH] dmaengine: omap-dma: Add support for memcpy Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-09-08 14:30 +0200
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