bus: bt1-apb: Include linux/io.h

It must be included since we are using readl() method here.

Link: https://lore.kernel.org/r/20200528145050.5203-1-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Cc: Olof Johansson <olof@lixom.net>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: soc@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/drivers/bus/bt1-apb.c b/drivers/bus/bt1-apb.c
index abccd1dfc544b5b57ca918e91106838c9754bed9..839f1add2236a59633bb66dbece68005dc82973e 100644 (file)
--- a/drivers/bus/bt1-apb.c
+++ b/drivers/bus/bt1-apb.c
@@ -15,6 +15,7 @@
 #include <linux/atomic.h>
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
+#include <linux/io.h>
 #include <linux/nmi.h>
 #include <linux/of.h>
 #include <linux/regmap.h>