The syscon header uses the ENOTSUPP error constant, but doesn't
include the header that defines it. This causes a build error
after the imx pinctrl driver started using syscon:
include/linux/mfd/syscon.h: In function 'syscon_node_to_regmap':
include/linux/mfd/syscon.h:32:18: error: 'ENOTSUPP' undeclared (first use in
this function)
return ERR_PTR(-ENOTSUPP);
^~~~~~~~
This adds the missing #include.
Signed-off-by: Arnd Bergmann <a...@arndb.de>
Fixes: 8626ada871f1 ("pinctrl: imx: attach iomuxc device to gpr syscon")
---
include/linux/mfd/syscon.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/linux/mfd/syscon.h b/include/linux/mfd/syscon.h
index 1088149be0c9..40a76b97b7ab 100644
--- a/include/linux/mfd/syscon.h
+++ b/include/linux/mfd/syscon.h
@@ -16,6 +16,7 @@
#define __LINUX_MFD_SYSCON_H__
#include <linux/err.h>
+#include <linux/errno.h>
struct device_node;
--
2.7.0
