# \[PATCH v7 4/7\] fbdev: Include \<linux/io.h\> in various drivers

- From: Thomas Zimmermann \<tzimmermann@suse.de\>
- Date: 2023-05-12 10:25:20 
- List: linux-fbdev
- Page: https://ratatoskr.run/linux-fbdev/2023/05/2195552
- Thread: https://ratatoskr.run/linux-fbdev/2023/05/2195549/t.md

```text
The code uses writel() and similar I/O-memory helpers. Include
the header file to get the declarations.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Sam Ravnborg <redacted>
Reviewed-by: Sui Jingfeng <redacted>
---
 drivers/video/fbdev/arcfb.c       | 1 +
 drivers/video/fbdev/aty/atyfb.h   | 2 ++
 drivers/video/fbdev/wmt_ge_rops.c | 2 ++
 3 files changed, 5 insertions(+)

diff --git a/drivers/video/fbdev/arcfb.c b/drivers/video/fbdev/arcfb.c
index 7750e020839e..ace104850e50 100644
--- a/drivers/video/fbdev/arcfb.c
+++ b/drivers/video/fbdev/arcfb.c
@@ -41,6 +41,7 @@
 #include <linux/vmalloc.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
+#include <linux/io.h>
 #include <linux/fb.h>
 #include <linux/init.h>
 #include <linux/arcfb.h>
diff --git a/drivers/video/fbdev/aty/atyfb.h b/drivers/video/fbdev/aty/atyfb.h
index 465f55beb97f..30da3e82ed3c 100644
--- a/drivers/video/fbdev/aty/atyfb.h
+++ b/drivers/video/fbdev/aty/atyfb.h
@@ -3,8 +3,10 @@
  *  ATI Frame Buffer Device Driver Core Definitions
  */
 
+#include <linux/io.h>
 #include <linux/spinlock.h>
 #include <linux/wait.h>
+
     /*
      *  Elements of the hardware specific atyfb_par structure
      */
diff --git a/drivers/video/fbdev/wmt_ge_rops.c b/drivers/video/fbdev/wmt_ge_rops.c
index 3ed143457d22..b70961901683 100644
--- a/drivers/video/fbdev/wmt_ge_rops.c
+++ b/drivers/video/fbdev/wmt_ge_rops.c
@@ -9,7 +9,9 @@
 
 #include <linux/module.h>
 #include <linux/fb.h>
+#include <linux/io.h>
 #include <linux/platform_device.h>
+
 #include "core/fb_draw.h"
 #include "wmt_ge_rops.h"
 
-- 
2.40.1

```