diff --git a/drivers/spi/spi_s3c24xx_gpio.c b/drivers/spi/spi_s3c24xx_gpio.c
index a5d2cdfff46f..bcaf4bd18eb9 100644
--- a/drivers/spi/spi_s3c24xx_gpio.c
+++ b/drivers/spi/spi_s3c24xx_gpio.c
@@ -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>