[PATCH 28/44] video: add devices to new fb class
Ahmad Fatoum
a.fatoum at barebox.org
Mon Aug 11 05:28:08 PDT 2025
We maintain no global list of framebuffers, but it's a useful thing to
have if only for informational purposes. Add a struct class for this use
case.
Signed-off-by: Ahmad Fatoum <a.fatoum at barebox.org>
---
drivers/video/fb.c | 4 ++++
include/fb.h | 2 ++
2 files changed, 6 insertions(+)
diff --git a/drivers/video/fb.c b/drivers/video/fb.c
index 2ff5bbcfe290..939368a0de68 100644
--- a/drivers/video/fb.c
+++ b/drivers/video/fb.c
@@ -9,6 +9,8 @@
#include <fs.h>
#include <init.h>
+DEFINE_DEV_CLASS(fb_class, "fb");
+
static int fb_ioctl(struct cdev* cdev, unsigned int req, void *data)
{
struct fb_info *info = cdev->priv;
@@ -346,6 +348,8 @@ int register_framebuffer(struct fb_info *info)
if (ret)
goto err_free;
+ class_add_device(&fb_class, &info->dev);
+
dev_add_param_bool(dev, "enable", fb_enable_set, fb_enable_get,
&info->p_enable, info);
diff --git a/include/fb.h b/include/fb.h
index 01c5ce0bf377..1e3b330ab725 100644
--- a/include/fb.h
+++ b/include/fb.h
@@ -225,4 +225,6 @@ void fb_of_reserve_add_fixup(struct fb_info *info);
int register_fbconsole(struct fb_info *fb);
void *fb_get_screen_base(struct fb_info *info);
+extern struct class fb_class;
+
#endif /* __FB_H */
--
2.39.5
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