Memory-to-memory dma transfers were disabled by default if we
used DT to cofigure DMAC.
Add is-memcpu property, so it became possible to enable
memory-to-memory transfers support via DT.
Signed-off-by: Eugeniy Paltsev <eugeniy.palt...@synopsys.com>
---
drivers/dma/dw/platform.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/dma/dw/platform.c b/drivers/dma/dw/platform.c
index 4103f1d..daeceac 100644
--- a/drivers/dma/dw/platform.c
+++ b/drivers/dma/dw/platform.c
@@ -131,6 +131,9 @@ dw_dma_parse_dt(struct platform_device *pdev)
else if (of_property_read_bool(np, "is-private"))
pdata->is_private = true;
+ if (of_property_read_bool(np, "is-memcpu"))
+ 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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