Unverified Commit 5e060c48 authored by Baolin Wang's avatar Baolin Wang Committed by Mark Brown
Browse files

spi: sprd: Add a prefix for SPI DMA channel macros 



Add a prefix for SPI DMA channel macros to avoid namespace conflicts,
and no functional changes.

Signed-off-by: default avatarBaolin Wang <baolin.wang@linaro.org>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 386119bc

drivers/spi/spi-sprd.c

+21 −21
Original line number Diff line number Diff line
@@ -135,14 +135,14 @@ 
#define SPRD_SPI_DMA_STEP		8



enum sprd_spi_dma_channel {

	SPI_RX,

	SPI_TX,

	SPI_MAX,

	SPRD_SPI_RX,

	SPRD_SPI_TX,

	SPRD_SPI_MAX,

};



struct sprd_spi_dma {

	bool enable;

	struct dma_chan *dma_chan[SPI_MAX];

	struct dma_chan *dma_chan[SPRD_SPI_MAX];

	enum dma_slave_buswidth width;

	u32 fragmens_len;

	u32 rx_len;
@@ -514,7 +514,7 @@ static int sprd_spi_dma_submit(struct dma_chan *dma_chan, 


static int sprd_spi_dma_rx_config(struct sprd_spi *ss, struct spi_transfer *t)

{

	struct dma_chan *dma_chan = ss->dma.dma_chan[SPI_RX];

	struct dma_chan *dma_chan = ss->dma.dma_chan[SPRD_SPI_RX];

	struct dma_slave_config config = {

		.src_addr = ss->phy_base,

		.src_addr_width = ss->dma.width,
@@ -532,7 +532,7 @@ static int sprd_spi_dma_rx_config(struct sprd_spi *ss, struct spi_transfer *t) 


static int sprd_spi_dma_tx_config(struct sprd_spi *ss, struct spi_transfer *t)

{

	struct dma_chan *dma_chan = ss->dma.dma_chan[SPI_TX];

	struct dma_chan *dma_chan = ss->dma.dma_chan[SPRD_SPI_TX];

	struct dma_slave_config config = {

		.dst_addr = ss->phy_base,

		.src_addr_width = ss->dma.width,
@@ -550,23 +550,23 @@ static int sprd_spi_dma_tx_config(struct sprd_spi *ss, struct spi_transfer *t) 


static int sprd_spi_dma_request(struct sprd_spi *ss)

{

	ss->dma.dma_chan[SPI_RX] = dma_request_chan(ss->dev, "rx_chn");

	if (IS_ERR_OR_NULL(ss->dma.dma_chan[SPI_RX])) {

		if (PTR_ERR(ss->dma.dma_chan[SPI_RX]) == -EPROBE_DEFER)

			return PTR_ERR(ss->dma.dma_chan[SPI_RX]);

	ss->dma.dma_chan[SPRD_SPI_RX] = dma_request_chan(ss->dev, "rx_chn");

	if (IS_ERR_OR_NULL(ss->dma.dma_chan[SPRD_SPI_RX])) {

		if (PTR_ERR(ss->dma.dma_chan[SPRD_SPI_RX]) == -EPROBE_DEFER)

			return PTR_ERR(ss->dma.dma_chan[SPRD_SPI_RX]);



		dev_err(ss->dev, "request RX DMA channel failed!\n");

		return PTR_ERR(ss->dma.dma_chan[SPI_RX]);

		return PTR_ERR(ss->dma.dma_chan[SPRD_SPI_RX]);

	}



	ss->dma.dma_chan[SPI_TX]  = dma_request_chan(ss->dev, "tx_chn");

	if (IS_ERR_OR_NULL(ss->dma.dma_chan[SPI_TX])) {

		if (PTR_ERR(ss->dma.dma_chan[SPI_TX]) == -EPROBE_DEFER)

			return PTR_ERR(ss->dma.dma_chan[SPI_TX]);

	ss->dma.dma_chan[SPRD_SPI_TX]  = dma_request_chan(ss->dev, "tx_chn");

	if (IS_ERR_OR_NULL(ss->dma.dma_chan[SPRD_SPI_TX])) {

		if (PTR_ERR(ss->dma.dma_chan[SPRD_SPI_TX]) == -EPROBE_DEFER)

			return PTR_ERR(ss->dma.dma_chan[SPRD_SPI_TX]);



		dev_err(ss->dev, "request TX DMA channel failed!\n");

		dma_release_channel(ss->dma.dma_chan[SPI_RX]);

		return PTR_ERR(ss->dma.dma_chan[SPI_TX]);

		dma_release_channel(ss->dma.dma_chan[SPRD_SPI_RX]);

		return PTR_ERR(ss->dma.dma_chan[SPRD_SPI_TX]);

	}



	return 0;
@@ -574,11 +574,11 @@ static int sprd_spi_dma_request(struct sprd_spi *ss) 


static void sprd_spi_dma_release(struct sprd_spi *ss)

{

	if (ss->dma.dma_chan[SPI_RX])

		dma_release_channel(ss->dma.dma_chan[SPI_RX]);

	if (ss->dma.dma_chan[SPRD_SPI_RX])

		dma_release_channel(ss->dma.dma_chan[SPRD_SPI_RX]);



	if (ss->dma.dma_chan[SPI_TX])

		dma_release_channel(ss->dma.dma_chan[SPI_TX]);

	if (ss->dma.dma_chan[SPRD_SPI_TX])

		dma_release_channel(ss->dma.dma_chan[SPRD_SPI_TX]);

}



static int sprd_spi_dma_txrx_bufs(struct spi_device *sdev,