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Commit 568f7f0c authored by Nicolas Ferre's avatar Nicolas Ferre Committed by Dan Williams
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dmaengine: at_hdmac: flags located in first descriptor 



Place flags on first descriptor of chain instead of last.
This is the one used by atc_chain_complete() function while unmapping.

Signed-off-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent 93d0bec2

drivers/dma/at_hdmac.c

+3 −3
Original line number Diff line number Diff line
@@ -603,7 +603,7 @@ atc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src, 
	/* set end-of-link to the last link descriptor of list*/

	set_desc_eol(desc);



	desc->txd.flags = flags; /* client is in control of this ack */

	first->txd.flags = flags; /* client is in control of this ack */



	return &first->txd;
@@ -748,8 +748,8 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, 
	first->txd.cookie = -EBUSY;

	first->len = total_len;



	/* last link descriptor of list is responsible of flags */

	prev->txd.flags = flags; /* client is in control of this ack */

	/* first link descriptor of list is responsible of flags */

	first->txd.flags = flags; /* client is in control of this ack */



	return &first->txd;