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spi: fix spi_s3c24xx_gpio num_chipselect 

The spi master driver must have num_chipselect set to allow the bus to
initialise.  Pass this through the platform data.

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>
hifive-unleashed-5.1
Ben Dooks 2008-12-01 13:13:57 -08:00 committed by Linus Torvalds
parent e39ea8a2de
commit b93c35ff39
2 changed files with 2 additions and 0 deletions
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1
arch/arm/mach-s3c2410/include/mach/spi-gpio.h
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@ -18,6 +18,7 @@ struct s3c2410_spigpio_info {
unsigned long pin_mosi;
unsigned long pin_miso;
int num_chipselect;
int bus_num;
void (*chip_select)(struct s3c2410_spigpio_info *spi, int cs);

1
drivers/spi/spi_s3c24xx_gpio.c
View File

@ -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.master->num_chipselect = info->num_chipselect;
sp->bitbang.chipselect = s3c2410_spigpio_chipselect;
sp->bitbang.txrx_word[SPI_MODE_0] = s3c2410_spigpio_txrx_mode0;