[PATCH 1/1] fb: add it's own bus for fb devices
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Thu Sep 20 14:51:30 EDT 2012
This is need for oftree device probing
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
drivers/video/fb.c | 25 +++++++++++++++++++++----
include/fb.h | 2 ++
2 files changed, 23 insertions(+), 4 deletions(-)
diff --git a/drivers/video/fb.c b/drivers/video/fb.c
index d885570..127723c 100644
--- a/drivers/video/fb.c
+++ b/drivers/video/fb.c
@@ -125,6 +125,7 @@ int register_framebuffer(struct fb_info *info)
sprintf(dev->name, "fb");
+ info->dev.bus = &fb_bus;
register_device(&info->dev);
dev_add_param(dev, "enable", fb_enable_set, NULL, 0);
dev_set_param(dev, "enable", "0");
@@ -160,19 +161,35 @@ static void fb_info(struct device_d *dev)
printf("\n");
}
-static int fb_probe(struct device_d *hw_dev)
+static struct driver_d fb_driver = {
+ .name = "fb",
+ .info = fb_info,
+};
+
+static int fb_match(struct device_d *dev, struct driver_d *drv)
{
return 0;
}
-static struct driver_d fb_driver = {
- .name = "fb",
+static int fb_probe(struct device_d *dev)
+{
+ return 0;
+}
+
+static void fb_remove(struct device_d *dev)
+{
+}
+
+struct bus_type fb_bus = {
+ .name = "fb",
+ .match = fb_match,
.probe = fb_probe,
- .info = fb_info,
+ .remove = fb_remove,
};
static int fb_init_driver(void)
{
+ fb_driver.bus = &fb_bus;
register_driver(&fb_driver);
return 0;
}
diff --git a/include/fb.h b/include/fb.h
index 41deb8c..c594418 100644
--- a/include/fb.h
+++ b/include/fb.h
@@ -110,5 +110,7 @@ int register_framebuffer(struct fb_info *info);
#define FBIO_ENABLE _IO('F', 2)
#define FBIO_DISABLE _IO('F', 3)
+extern struct bus_type fb_bus;
+
#endif /* __FB_H */
--
1.7.10.4
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