spi: davinci: make chip-slect specific parameters really chip-select specific

Some chip-select specific paramterers like wdelay, parity, usage of
chip-select timers (and the actual timer values) are included in
platform data forcing the same behaviour across all chip-selects.

Create a new davinci_spi_config data structure which can be passed
along using controller_data member of spi_device data structure
on a per-device basis.

Signed-off-by: Brian Niebuhr <bniebuhr@efjohnson.com>
Tested-By: Michael Williamson <michael.williamson@criticallink.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>

arch/arm/mach-davinci/dm355.c

@@ -413,10 +413,7 @@ static struct davinci_spi_platform_data dm355_spi0_pdata = {
 	.version 	= SPI_VERSION_1,
 	.num_chipselect = 2,
 	.clk_internal	= 1,
-	.intr_level	= 0,
 	.poll_mode	= 1,	/* 0 -> interrupt mode 1-> polling mode */
-	.c2tdelay	= 0,
-	.t2cdelay	= 0,
 };
 static struct platform_device dm355_spi0_device = {
 	.name = "spi_davinci",

arch/arm/mach-davinci/dm365.c

@@ -626,10 +626,7 @@ static struct davinci_spi_platform_data dm365_spi0_pdata = {
 	.version 	= SPI_VERSION_1,
 	.num_chipselect = 2,
 	.clk_internal	= 1,
-	.intr_level	= 0,
 	.poll_mode	= 1,	/* 0 -> interrupt mode 1-> polling mode */
-	.c2tdelay	= 0,
-	.t2cdelay	= 0,
 };
 
 static struct resource dm365_spi0_resources[] = {

arch/arm/mach-davinci/include/mach/spi.h

@@ -29,17 +29,20 @@ enum {
 struct davinci_spi_platform_data {
 	u8	version;
 	u8	num_chipselect;
-	u8	wdelay;
-	u8	odd_parity;
-	u8	parity_enable;
-	u8	timer_disable;
 	u8	clk_internal;
 	u8	intr_level;
 	u8	poll_mode;
 	u8	use_dma;
-	u8	c2tdelay;
-	u8	t2cdelay;
 	u8	*chip_sel;
 };
 
+struct davinci_spi_config {
+	u8	wdelay;
+	u8	odd_parity;
+	u8	parity_enable;
+	u8	timer_disable;
+	u8	c2tdelay;
+	u8	t2cdelay;
+};
+
 #endif	/* __ARCH_ARM_DAVINCI_SPI_H */