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dmaengine: DW DMAC: enable memory-to-memory transfers support

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All known devices, which use DT for configuration, support
memory-to-memory transfers. So enable it by default, if we read
configuration from DT.

Acked-by: Andy Shevchenko <[email protected]>
Signed-off-by: Eugeniy Paltsev <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
This commit is contained in:
Eugeniy Paltsev 2016-11-25 17:59:06 +03:00 • committed by Vinod Koul
commit 258f2277a9
1 changed files with 6 additions and 0 deletions
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6
drivers/dma/dw/platform.c
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@ -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;