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Fix reversed arguments in SAML21 DMA logic

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This commit is contained in:
Gregory Nutt 2015-06-14 08:52:39 -06:00
parent 75077f4728
commit 1f6f3d7bb2
1 changed files with 9 additions and 1 deletions
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10
arch/arm/src/samdl/sam_dmac.c
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@ -476,6 +476,10 @@ static int sam_txbuffer(struct sam_dmach_s *dmach, uint32_t paddr,
uint16_t btctrl;
uint16_t btcnt;
/* Set up the Block Transfer Control Register configuration */
#warning Missing logic
/* Set up the Block Transfer Count Register configuration */
#warning Missing logic
/* Add the new link list entry */
@ -504,11 +508,15 @@ static int sam_rxbuffer(struct sam_dmach_s *dmach, uint32_t paddr,
uint16_t btctrl;
uint16_t btcnt;
/* Set up the Block Transfer Control Register configuration */
#warning Missing logic
/* Set up the Block Transfer Count Register configuration */
#warning Missing logic
/* Add the new link list entry */
if (!sam_allocdesc(dmach, dmach->lltail, btctrl, btcnt, maddr, paddr))
if (!sam_allocdesc(dmach, dmach->lltail, btctrl, btcnt, paddr, maddr))
{
return -ENOMEM;
}