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spi: S3C2410: add bus number to SPI GPIO driver

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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 <ben-linux@fluff.org>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Brownell 2007-11-28 16:21:30 -08:00 committed by Linus Torvalds
parent 438ae1ae7b
commit 75d427982f
2 changed files with 3 additions and 0 deletions
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1
drivers/spi/spi_s3c24xx_gpio.c
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@ -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;

2
include/asm-arm/arch-s3c2410/spi-gpio.h
View file

@ -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;