It will be useful to have the length of the transfer in the descriptor. The cyclic transfer functions remained untouched.
Signed-off-by: Andy Shevchenko <[email protected]> --- drivers/dma/dw_dmac.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c index c3062a5..026a3c7 100644 --- a/drivers/dma/dw_dmac.c +++ b/drivers/dma/dw_dmac.c @@ -756,6 +756,7 @@ dwc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src, desc->lli.dar = dest + offset; desc->lli.ctllo = ctllo; desc->lli.ctlhi = xfer_count; + desc->len = xfer_count << src_width; if (!first) { first = desc; @@ -852,8 +853,8 @@ slave_sg_todev_fill_desc: dlen = len; len = 0; } - desc->lli.ctlhi = dlen >> mem_width; + desc->len = dlen; if (!first) { first = desc; @@ -912,6 +913,7 @@ slave_sg_fromdev_fill_desc: len = 0; } desc->lli.ctlhi = dlen >> reg_width; + desc->len = dlen; if (!first) { first = desc; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
