# Re: \[v4,2/6\] ipu-v3: Include \<linux/io.h\>

- From: Sui Jingfeng \<hidden\>
- Date: 2023-05-04 11:30:33 
- List: linux-fbdev
- Page: https://ratatoskr.run/linux-fbdev/2023/05/2187474
- Thread: https://ratatoskr.run/linux-arch/2023/05/2187242/t.md

```text

Reviewed-by: Sui Jingfeng <redacted>


On 2023/5/4 15:45, Thomas Zimmermann wrote:
> The code uses readl() and writel(). Include the header file to
> get the declarations.
>
> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
> Reviewed-by: Sam Ravnborg <redacted>
> ---
>   drivers/gpu/ipu-v3/ipu-prv.h | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/ipu-v3/ipu-prv.h b/drivers/gpu/ipu-v3/ipu-prv.h
> index 291ac1bab66d..d4621b1ea7f1 100644
> --- a/drivers/gpu/ipu-v3/ipu-prv.h
> +++ b/drivers/gpu/ipu-v3/ipu-prv.h
> @@ -8,6 +8,7 @@
>   
>   struct ipu_soc;
>   
> +#include <linux/io.h>
>   #include <linux/types.h>
>   #include <linux/device.h>
>   #include <linux/clk.h>
```