spi: S3C2410: add bus number to SPI GPIO driver

75d42798 · David Brownell <[email protected]> · 2007-11-28 16:21:30 -08:00

Allow passing a bus number through the platform data for the S3C2410 SPI
GPIO driver.   This is needed to support multiple SPI busses.

Signed-off-by: Ben Dooks <[email protected]>
Signed-off-by: David Brownell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

Commit: 75d427982fef672b3608ae809b8819ec6358edfe
Parents: 438ae1ae

Changes

2 files changed · +3 −0

File	Status	Add	Del	Content
drivers/spi/spi_s3c24xx_gpio.c	modified	+1	−0	View file
include/asm-arm/arch-s3c2410/spi-gpio.h	modified	+2	−0	View file

drivers/spi/spi_s3c24xx_gpio.c

View file

diff --git a/drivers/spi/spi_s3c24xx_gpio.c b/drivers/spi/spi_s3c24xx_gpio.c
index d59105d..109d82c 100644
--- a/drivers/spi/spi_s3c24xx_gpio.c
+++ b/drivers/spi/spi_s3c24xx_gpio.c
@@ -118,6 +118,7 @@ static int s3c2410_spigpio_probe(struct platform_device *dev)
 
 	/* setup spi bitbang adaptor */
 	sp->bitbang.master = spi_master_get(master);
+	sp->bitbang.master->bus_num = info->bus_num;
 	sp->bitbang.chipselect = s3c2410_spigpio_chipselect;
 
 	sp->bitbang.txrx_word[SPI_MODE_0] = s3c2410_spigpio_txrx_mode0;

include/asm-arm/arch-s3c2410/spi-gpio.h

View file

diff --git a/include/asm-arm/arch-s3c2410/spi-gpio.h b/include/asm-arm/arch-s3c2410/spi-gpio.h
index c1e4db7..ba1dca8 100644
--- a/include/asm-arm/arch-s3c2410/spi-gpio.h
+++ b/include/asm-arm/arch-s3c2410/spi-gpio.h
@@ -21,6 +21,8 @@ struct s3c2410_spigpio_info {
 	unsigned long		 pin_mosi;
 	unsigned long		 pin_miso;
 
+	int			 bus_num;
+
 	unsigned long		 board_size;
 	struct spi_board_info	*board_info;
 