Commit 59a609d9 authored Dec 13, 2010 by Nicolas Ferre Committed by Dan Williams Dec 14, 2010

dmaengine: at_hdmac: fix buffer transfer size specification



Buffer transfer size is the number of transfers to be performed in
relation with the width of the _source_ interface.
So in the DMA_FROM_DEVICE case, it should be the register width that
should be taken into account.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

parent f3c677b9

drivers/dma/at_hdmac.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -722,7 +722,7 @@ atc_prep_slave_sg(struct dma_chan chan, struct scatterlist sgl,
		desc->lli.daddr = mem;
		desc->lli.ctrla = ctrla
		\| ATC_DST_WIDTH(mem_width)
		\| len >> mem_width;
		\| len >> reg_width;
		desc->lli.ctrlb = ctrlb;

		if (!first) {