diff --git a/drivers/spi/spi_s3c24xx.c b/drivers/spi/spi_s3c24xx.c
index 80719ef5436500..b7476b888197c7 100644
--- a/drivers/spi/spi_s3c24xx.c
+++ b/drivers/spi/spi_s3c24xx.c
@@ -267,6 +267,10 @@ static int __init s3c24xx_spi_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, hw);
 	init_completion(&hw->done);
 
+	/* setup the master state. */
+
+	master->num_chipselect = hw->pdata->num_cs;
+
 	/* setup the state for the bitbang driver */
 
 	hw->bitbang.master         = hw->master;
diff --git a/include/asm-arm/arch-s3c2410/spi.h b/include/asm-arm/arch-s3c2410/spi.h
index 7ca0ed97a6d0fd..352d33860b6383 100644
--- a/include/asm-arm/arch-s3c2410/spi.h
+++ b/include/asm-arm/arch-s3c2410/spi.h
@@ -15,6 +15,7 @@
 
 struct s3c2410_spi_info {
 	unsigned long		 pin_cs;	/* simple gpio cs */
+	unsigned int		 num_cs;	/* total chipselects */
 
 	void (*set_cs)(struct s3c2410_spi_info *spi, int cs, int pol);
 };