The IS_ERR() macro is defined in the linux/err.h header file, so include it explicitly. Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
@@ -1,4 +1,4 @@
-
+#include <linux/err.h>
#include <linux/module.h>
#include <linux/io.h>
#include <linux/of.h>