Include <linux/io.h> to get readl() and writel() on S390. The error
message is shown below and a bug report is at [1].
drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c:75:15: error: implicit
declaration of function 'readl' [-Werror=implicit-function-declaration]
75 | reg = readl(priv->mmio + HIBMC_DISPLAY_CONTROL_HISILE);
| ^~~~~
drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c:80:9: error: implicit
declaration of function 'writel' [-Werror=implicit-function-declaration]
80 | writel(reg, priv->mmio + HIBMC_DISPLAY_CONTROL_HISILE);
| ^~~~~~
Reported-by: kernel test robot <l...@intel.com>
Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de>
Fixes: 45b64fd9f7ae ("drm/fb-helper: Remove unnecessary include statements")
Cc: Thomas Zimmermann <tzimmerm...@suse.de>
Cc: Javier Martinez Canillas <javi...@redhat.com>
Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
Cc: Maxime Ripard <mrip...@kernel.org>
Cc: David Airlie <airl...@gmail.com>
Cc: Daniel Vetter <dan...@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Link:
https://lore.kernel.org/dri-devel/202211060608.qrtg8b2e-...@intel.com/T/#u # [1]
---
drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
index c228091fb0e6a..8c6d2ea2a4729 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
@@ -11,6 +11,8 @@
* Jianhua Li <lijian...@huawei.com>
*/
+#include <linux/io.h>
+
#include <drm/drm_atomic_helper.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_print.h>
--
2.38.0
