--- a/arch/arm/mach-s3c2410/include/mach/spi-gpio.h
+++ b/arch/arm/mach-s3c2410/include/mach/spi-gpio.h
@@ -21,7 +21,8 @@ struct s3c2410_spigpio_info {
 	int			 num_chipselect;
 	int			 bus_num;
 
-	void (*chip_select)(struct s3c2410_spigpio_info *spi, int cs);
+	int			 non_blocking_transfer;
+	void (*chip_select)(struct s3c2410_spigpio_info *spi, int csid, int cs);
 };
 
 
--- a/drivers/spi/spi_s3c24xx_gpio.c
+++ b/drivers/spi/spi_s3c24xx_gpio.c
@@ -92,7 +92,7 @@ static void s3c2410_spigpio_chipselect(s
 	struct s3c2410_spigpio *sg = spidev_to_sg(dev);
 
 	if (sg->info && sg->info->chip_select)
-		(sg->info->chip_select)(sg->info, value);
+		(sg->info->chip_select)(sg->info, dev->chip_select, value);
 }
 
 static int s3c2410_spigpio_probe(struct platform_device *dev)
@@ -113,9 +113,11 @@ static int s3c2410_spigpio_probe(struct 
 
 	platform_set_drvdata(dev, sp);
 
-	/* copy in the plkatform data */
+	/* copy in the platform data */
 	info = sp->info = dev->dev.platform_data;
 
+	master->num_chipselect = info->num_chipselect;
+
 	/* setup spi bitbang adaptor */
 	sp->bitbang.master = spi_master_get(master);
 	sp->bitbang.master->bus_num = info->bus_num;