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Groups > linux.kernel > #1525527
| From | Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 1/2] DW DMAC: enable memory-to-memory transfers support |
| Date | 2016-11-18 18:00 +0100 |
| Message-ID | <sEUG5-1ff-9@gated-at.bofh.it> (permalink) |
| References | <sEUG5-1ff-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
All known devices, which use DT for configuration, support memory-to-memory transfers. So enable it by default, if we read configuration from DT. Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> --- drivers/dma/dw/platform.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/dma/dw/platform.c b/drivers/dma/dw/platform.c index 5bda0eb..aa7a5c1 100644 --- a/drivers/dma/dw/platform.c +++ b/drivers/dma/dw/platform.c @@ -129,6 +129,12 @@ dw_dma_parse_dt(struct platform_device *pdev) if (of_property_read_bool(np, "is_private")) pdata->is_private = true; + /* + * All known devices, which use DT for configuration, support + * memory-to-memory transfers. So enable it by default. + */ + pdata->is_memcpy = true; + if (!of_property_read_u32(np, "chan_allocation_order", &tmp)) pdata->chan_allocation_order = (unsigned char)tmp; -- 2.5.5
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[PATCH v2 0/2] DW DMAC: update device tree Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> - 2016-11-18 18:00 +0100
[PATCH v2 1/2] DW DMAC: enable memory-to-memory transfers support Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> - 2016-11-18 18:00 +0100
Re: [PATCH v2 1/2] DW DMAC: enable memory-to-memory transfers support Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-11-18 18:50 +0100
[PATCH v2 2/2] DW DMAC: add multi-block property to device tree Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> - 2016-11-18 18:00 +0100
Re: [PATCH v2 2/2] DW DMAC: add multi-block property to device tree Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-11-18 18:50 +0100
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