diff --git a/drivers/i2c/muxes/i2c-arb-gpio-challenge.c b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c
index 928e02b..ad730e0 100644
--- a/drivers/i2c/muxes/i2c-arb-gpio-challenge.c
+++ b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c
@@ -10,6 +10,7 @@
 #include <i2c.h>
 #include <log.h>
 #include <malloc.h>
+#include <asm/global_data.h>
 #include <asm/gpio.h>
 #include <linux/delay.h>