simplefb: Add support for enumerating simplefb dt nodes in /chosen

Update simplefb to support the new preferred location for simplefb dt nodes
under /chosen.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

1 files changed, 22 insertions, 1 deletions

diff --git a/drivers/video/fbdev/simplefb.c b/drivers/video/fbdev/simplefb.c
index d19294635a42..74c5edd38518 100644
--- a/drivers/video/fbdev/simplefb.c
+++ b/drivers/video/fbdev/simplefb.c
@@ -27,6 +27,7 @@
 #include <linux/platform_data/simplefb.h>
 #include <linux/platform_device.h>
 #include <linux/clk-provider.h>
+#include <linux/of_platform.h>
 
 static struct fb_fix_screeninfo simplefb_fix = {
         .id             = "simple",
@@ -392,7 +393,27 @@ static struct platform_driver simplefb_driver = {
         .probe = simplefb_probe,
         .remove = simplefb_remove,
 };
-module_platform_driver(simplefb_driver);
+
+static int __init simplefb_init(void)
+{
+        int ret;
+        struct device_node *np;
+
+        ret = platform_driver_register(&simplefb_driver);
+        if (ret)
+                return ret;
+
+        if (IS_ENABLED(CONFIG_OF) && of_chosen) {
+                for_each_child_of_node(of_chosen, np) {
+                        if (of_device_is_compatible(np, "simple-framebuffer"))
+                                of_platform_device_create(np, NULL, NULL);
+                }
+        }
+
+        return 0;
+}
+
+module_init(simplefb_init);
 
 MODULE_AUTHOR("Stephen Warren <swarren@wwwdotorg.org>");
 MODULE_DESCRIPTION("Simple framebuffer driver");