Commit 2ae1a237 authored by Vinod Koul's avatar Vinod Koul
Browse files

dmaengine: k3dma: remove dma_slave_config direction usage 



dma_slave_config direction was marked as deprecated quite some
time back, remove the usage from this driver so that the field
can be removed

Tested-by: default avatarJohn Stultz <john.stultz@linaro.org>
Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent ad7756e7

drivers/dma/k3dma.c

+20 −6
Original line number Diff line number Diff line
@@ -87,10 +87,10 @@ struct k3_dma_chan { 
	struct virt_dma_chan	vc;

	struct k3_dma_phy	*phy;

	struct list_head	node;

	enum dma_transfer_direction dir;

	dma_addr_t		dev_addr;

	enum dma_status		status;

	bool			cyclic;

	struct dma_slave_config	slave_config;

};



struct k3_dma_phy {
@@ -118,6 +118,10 @@ struct k3_dma_dev { 


#define to_k3_dma(dmadev) container_of(dmadev, struct k3_dma_dev, slave)



static int k3_dma_config_write(struct dma_chan *chan,

			       enum dma_transfer_direction dir,

			       struct dma_slave_config *cfg);



static struct k3_dma_chan *to_k3_chan(struct dma_chan *chan)

{

	return container_of(chan, struct k3_dma_chan, vc.chan);
@@ -536,6 +540,7 @@ static struct dma_async_tx_descriptor *k3_dma_prep_slave_sg( 
	if (!ds)

		return NULL;

	num = 0;

	k3_dma_config_write(chan, dir, &c->slave_config);



	for_each_sg(sgl, sg, sglen, i) {

		addr = sg_dma_address(sg);
@@ -596,6 +601,7 @@ k3_dma_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t buf_addr, 
	avail = buf_len;

	total = avail;

	num = 0;

	k3_dma_config_write(chan, dir, &c->slave_config);



	if (period_len < modulo)

		modulo = period_len;
@@ -636,18 +642,26 @@ static int k3_dma_config(struct dma_chan *chan, 
			 struct dma_slave_config *cfg)

{

	struct k3_dma_chan *c = to_k3_chan(chan);



	memcpy(&c->slave_config, cfg, sizeof(*cfg));



	return 0;

}



static int k3_dma_config_write(struct dma_chan *chan,

			       enum dma_transfer_direction dir,

			       struct dma_slave_config *cfg)

{

	struct k3_dma_chan *c = to_k3_chan(chan);

	u32 maxburst = 0, val = 0;

	enum dma_slave_buswidth width = DMA_SLAVE_BUSWIDTH_UNDEFINED;



	if (cfg == NULL)

		return -EINVAL;

	c->dir = cfg->direction;

	if (c->dir == DMA_DEV_TO_MEM) {

	if (dir == DMA_DEV_TO_MEM) {

		c->ccfg = CX_CFG_DSTINCR;

		c->dev_addr = cfg->src_addr;

		maxburst = cfg->src_maxburst;

		width = cfg->src_addr_width;

	} else if (c->dir == DMA_MEM_TO_DEV) {

	} else if (dir == DMA_MEM_TO_DEV) {

		c->ccfg = CX_CFG_SRCINCR;

		c->dev_addr = cfg->dst_addr;

		maxburst = cfg->dst_maxburst;