Commit 258f2277 authored Nov 25, 2016 by Eugeniy Paltsev Committed by Vinod Koul Nov 30, 2016

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



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 <andriy.shevchenko@linux.intel.com>
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

parent 9dcd7408

drivers/dma/dw/platform.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -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;