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Commit 390c49f7 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Vinod Koul
Browse files

dmaengine: idma64: use local variable to index descriptor 



Since a local variable contains the number of hardware desriptors at the
beginning of idma64_desc_fill() we may use it to index the last descriptor as
well.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent ac029794

drivers/dma/idma64.c

+3 −3
Original line number Diff line number Diff line
@@ -274,10 +274,10 @@ static void idma64_desc_fill(struct idma64_chan *idma64c, 
		struct idma64_desc *desc)

{

	struct dma_slave_config *config = &idma64c->config;

	struct idma64_hw_desc *hw = &desc->hw[desc->ndesc - 1];

	unsigned int i = desc->ndesc;

	struct idma64_hw_desc *hw = &desc->hw[i - 1];

	struct idma64_lli *lli = hw->lli;

	u64 llp = 0;

	unsigned int i = desc->ndesc;



	/* Fill the hardware descriptors and link them to a list */

	do {
@@ -287,7 +287,7 @@ static void idma64_desc_fill(struct idma64_chan *idma64c, 
		desc->length += hw->len;

	} while (i);



	/* Trigger interrupt after last block */

	/* Trigger an interrupt after the last block is transfered */

	lli->ctllo |= IDMA64C_CTLL_INT_EN;

}