serial: s3c: Fix build of header without serial_core.h preinclusion
serial_s3c.h uses upf_t which is defined in serial_core.h but does not
include that itself meaning that users which include serial_s3c.h by
itself don't build.
Signed-off-by: Mark Brown <broonie@linaro.org>
[t.figa: Moved inclusion under #ifndef __ASSEMBLY__ to fix mach-exynos]
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/include/linux/serial_s3c.h b/include/linux/serial_s3c.h
index 907d9d1..e6fc956 100644
--- a/include/linux/serial_s3c.h
+++ b/include/linux/serial_s3c.h
@@ -233,6 +233,8 @@
#ifndef __ASSEMBLY__
+#include <linux/serial_core.h>
+
/* configuration structure for per-machine configurations for the
* serial port
*