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Commit f13a5e8a authored by Jonas Gorski's avatar Jonas Gorski Committed by Mark Brown
Browse files

spi/bcm63xx: move message control word description to register offsets 



Make the message control word parameters part of the register offsets
array so we have them all in one struct.

Signed-off-by: default avatarJonas Gorski <jogo@openwrt.org>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 682b5280

arch/mips/bcm63xx/dev-spi.c

+2 −18
Original line number Diff line number Diff line
@@ -53,19 +53,11 @@ static struct resource spi_resources[] = { 
	},

};



static struct bcm63xx_spi_pdata spi_pdata = {

	.bus_num		= 0,

	.num_chipselect		= 8,

};



static struct platform_device bcm63xx_spi_device = {

	.name		= "bcm63xx-spi",

	.id		= -1,

	.num_resources	= ARRAY_SIZE(spi_resources),

	.resource	= spi_resources,

	.dev		= {

		.platform_data = &spi_pdata,

	},

};



int __init bcm63xx_spi_register(void)
@@ -77,20 +69,12 @@ int __init bcm63xx_spi_register(void) 
	spi_resources[0].end = spi_resources[0].start;

	spi_resources[1].start = bcm63xx_get_irq_number(IRQ_SPI);



	if (BCMCPU_IS_6338() || BCMCPU_IS_6348()) {

	if (BCMCPU_IS_6338() || BCMCPU_IS_6348())

		spi_resources[0].end += BCM_6348_RSET_SPI_SIZE - 1;

		spi_pdata.fifo_size = SPI_6348_MSG_DATA_SIZE;

		spi_pdata.msg_type_shift = SPI_6348_MSG_TYPE_SHIFT;

		spi_pdata.msg_ctl_width = SPI_6348_MSG_CTL_WIDTH;

	}



	if (BCMCPU_IS_3368() || BCMCPU_IS_6358() || BCMCPU_IS_6362() ||

		BCMCPU_IS_6368()) {

		BCMCPU_IS_6368())

		spi_resources[0].end += BCM_6358_RSET_SPI_SIZE - 1;

		spi_pdata.fifo_size = SPI_6358_MSG_DATA_SIZE;

		spi_pdata.msg_type_shift = SPI_6358_MSG_TYPE_SHIFT;

		spi_pdata.msg_ctl_width = SPI_6358_MSG_CTL_WIDTH;

	}



	bcm63xx_spi_regs_init();

arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h

+7 −9
Original line number Diff line number Diff line
@@ -7,14 +7,6 @@ 


int __init bcm63xx_spi_register(void);



struct bcm63xx_spi_pdata {

	unsigned int	fifo_size;

	unsigned int	msg_type_shift;

	unsigned int	msg_ctl_width;

	int		bus_num;

	int		num_chipselect;

};



enum bcm63xx_regs_spi {

	SPI_CMD,

	SPI_INT_STATUS,
@@ -28,6 +20,9 @@ enum bcm63xx_regs_spi { 
	SPI_MSG_CTL,

	SPI_MSG_DATA,

	SPI_RX_DATA,

	SPI_MSG_TYPE_SHIFT,

	SPI_MSG_CTL_WIDTH,

	SPI_MSG_DATA_SIZE,

};



#define __GEN_SPI_REGS_TABLE(__cpu)					\
@@ -42,7 +37,10 @@ enum bcm63xx_regs_spi { 
	[SPI_RX_TAIL]		= SPI_## __cpu ##_RX_TAIL,		\

	[SPI_MSG_CTL]		= SPI_## __cpu ##_MSG_CTL,		\

	[SPI_MSG_DATA]		= SPI_## __cpu ##_MSG_DATA,		\

	[SPI_RX_DATA]		= SPI_## __cpu ##_RX_DATA,

	[SPI_RX_DATA]		= SPI_## __cpu ##_RX_DATA,		\

	[SPI_MSG_TYPE_SHIFT]	= SPI_## __cpu ##_MSG_TYPE_SHIFT,	\

	[SPI_MSG_CTL_WIDTH]	= SPI_## __cpu ##_MSG_CTL_WIDTH,	\

	[SPI_MSG_DATA_SIZE]	= SPI_## __cpu ##_MSG_DATA_SIZE,



static inline unsigned long bcm63xx_spireg(enum bcm63xx_regs_spi reg)

{

drivers/spi/spi-bcm63xx.c

+3 −4
Original line number Diff line number Diff line
@@ -329,7 +329,6 @@ static int bcm63xx_spi_probe(struct platform_device *pdev) 
{

	struct resource *r;

	struct device *dev = &pdev->dev;

	struct bcm63xx_spi_pdata *pdata = dev_get_platdata(&pdev->dev);

	int irq;

	struct spi_master *master;

	struct clk *clk;
@@ -369,7 +368,7 @@ static int bcm63xx_spi_probe(struct platform_device *pdev) 


	bs->irq = irq;

	bs->clk = clk;

	bs->fifo_size = pdata->fifo_size;

	bs->fifo_size = bcm63xx_spireg(SPI_MSG_DATA_SIZE);



	ret = devm_request_irq(&pdev->dev, irq, bcm63xx_spi_interrupt, 0,

							pdev->name, master);
@@ -384,8 +383,8 @@ static int bcm63xx_spi_probe(struct platform_device *pdev) 
	master->mode_bits = MODEBITS;

	master->bits_per_word_mask = SPI_BPW_MASK(8);

	master->auto_runtime_pm = true;

	bs->msg_type_shift = pdata->msg_type_shift;

	bs->msg_ctl_width = pdata->msg_ctl_width;

	bs->msg_type_shift = bcm63xx_spireg(SPI_MSG_TYPE_SHIFT);

	bs->msg_ctl_width = bcm63xx_spireg(SPI_MSG_CTL_WIDTH);

	bs->tx_io = (u8 *)(bs->regs + bcm63xx_spireg(SPI_MSG_DATA));

	bs->rx_io = (const u8 *)(bs->regs + bcm63xx_spireg(SPI_RX_DATA));