Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit a0227456 authored by Viresh Kumar's avatar Viresh Kumar Committed by Vinod Koul
Browse files

dw_dmac: Adding support for 64 bit access width for memcpy xfers 



Signed-off-by: default avatarViresh Kumar <viresh.kumar@st.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 569432ef

drivers/dma/dw_dmac.c

+3 −1
Original line number Diff line number Diff line
@@ -583,7 +583,9 @@ dwc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src, 
	 * We can be a lot more clever here, but this should take care

	 * of the most common optimization.

	 */

	if (!((src | dest  | len) & 3))

	if (!((src | dest  | len) & 7))

		src_width = dst_width = 3;

	else if (!((src | dest  | len) & 3))

		src_width = dst_width = 2;

	else if (!((src | dest | len) & 1))

		src_width = dst_width = 1;