Commit b409ebfb authored by Nicolas Ferre's avatar Nicolas Ferre Committed by Vinod Koul
Browse files

dmaengine: at_hdmac: remove ATC_DEFAULT_CTRLA constant 



Not needed constant that was set to 0.

Signed-off-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@linux.intel.com>
parent b89a9cb4

drivers/dma/at_hdmac.c

+5 −7
Original line number Diff line number Diff line
@@ -39,7 +39,6 @@ 
 */



#define	ATC_DEFAULT_CFG		(ATC_FIFOCFG_HALFFIFO)

#define	ATC_DEFAULT_CTRLA	(0)

#define	ATC_DEFAULT_CTRLB	(ATC_SIF(AT_DMA_MEM_IF) \

				|ATC_DIF(AT_DMA_MEM_IF))
@@ -574,7 +573,6 @@ atc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src, 
		return NULL;

	}



	ctrla =   ATC_DEFAULT_CTRLA;

	ctrlb =   ATC_DEFAULT_CTRLB | ATC_IEN

		| ATC_SRC_ADDR_MODE_INCR

		| ATC_DST_ADDR_MODE_INCR
@@ -585,13 +583,13 @@ atc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src, 
	 * of the most common optimization.

	 */

	if (!((src | dest  | len) & 3)) {

		ctrla |= ATC_SRC_WIDTH_WORD | ATC_DST_WIDTH_WORD;

		ctrla = ATC_SRC_WIDTH_WORD | ATC_DST_WIDTH_WORD;

		src_width = dst_width = 2;

	} else if (!((src | dest | len) & 1)) {

		ctrla |= ATC_SRC_WIDTH_HALFWORD | ATC_DST_WIDTH_HALFWORD;

		ctrla = ATC_SRC_WIDTH_HALFWORD | ATC_DST_WIDTH_HALFWORD;

		src_width = dst_width = 1;

	} else {

		ctrla |= ATC_SRC_WIDTH_BYTE | ATC_DST_WIDTH_BYTE;

		ctrla = ATC_SRC_WIDTH_BYTE | ATC_DST_WIDTH_BYTE;

		src_width = dst_width = 0;

	}
@@ -668,7 +666,7 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, 
		return NULL;

	}



	ctrla = ATC_DEFAULT_CTRLA | atslave->ctrla;

	ctrla = atslave->ctrla;

	ctrlb = ATC_IEN;



	switch (direction) {
@@ -801,7 +799,7 @@ atc_dma_cyclic_fill_desc(struct dma_chan *chan, struct at_desc *desc, 
	u32			ctrla;



	/* prepare common CRTLA value */

	ctrla =   ATC_DEFAULT_CTRLA | atslave->ctrla

	ctrla = atslave->ctrla

		| ATC_DST_WIDTH(reg_width)

		| ATC_SRC_WIDTH(reg_width)

		| period_len >> reg_width;