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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: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
hifive-unleashed-5.1
Nicolas Ferre 2011-01-12 15:39:09 +01:00 committed by Dan Williams
parent 93d0bec2be
commit 568f7f0c2e
1 changed files with 3 additions and 3 deletions
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6
drivers/dma/at_hdmac.c
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@ -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;