diff -urpN -X ../dontdiff linux-2.6.20-rc1/drivers/spi/spi_s3c24xx_gpio.c linux-2.6.20-rc1-tes2/drivers/spi/spi_s3c24xx_gpio.c
--- linux-2.6.20-rc1/drivers/spi/spi_s3c24xx_gpio.c	2006-11-29 21:57:37.000000000 +0000
+++ linux-2.6.20-rc1-tes2/drivers/spi/spi_s3c24xx_gpio.c	2006-12-19 18:20:26.000000000 +0000
@@ -15,6 +15,7 @@
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/spinlock.h>
+#include <linux/workqueue.h>
 #include <linux/platform_device.h>
 
 #include <linux/spi/spi.h>