[PATCH v2 1/3] of: Move simple-framebuffer device handling from simplefb to of

From: Hector Martin
Date: Tue Dec 07 2021 - 02:31:01 EST


This code is required for both simplefb and simpledrm, so let's move it
into the OF core instead of having it as an ad-hoc initcall in the
drivers.

Signed-off-by: Hector Martin <marcan@xxxxxxxxx>
---
drivers/of/platform.c | 5 +++++
drivers/video/fbdev/simplefb.c | 21 +--------------------
2 files changed, 6 insertions(+), 20 deletions(-)

diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index b3faf89744aa..e097f40b03c0 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -540,6 +540,11 @@ static int __init of_platform_default_populate_init(void)
of_node_put(node);
}

+ for_each_child_of_node(of_chosen, node) {
+ if (of_device_is_compatible(node, "simple-framebuffer"))
+ of_platform_device_create(node, NULL, NULL);
+ }
+
/* Populate everything else. */
of_platform_default_populate(NULL, NULL, NULL);

diff --git a/drivers/video/fbdev/simplefb.c b/drivers/video/fbdev/simplefb.c
index b63074fd892e..57541887188b 100644
--- a/drivers/video/fbdev/simplefb.c
+++ b/drivers/video/fbdev/simplefb.c
@@ -541,26 +541,7 @@ static struct platform_driver simplefb_driver = {
.remove = simplefb_remove,
};

-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_ADDRESS) && 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;
-}
-
-fs_initcall(simplefb_init);
+module_platform_driver(simplefb_driver);

MODULE_AUTHOR("Stephen Warren <swarren@xxxxxxxxxxxxx>");
MODULE_DESCRIPTION("Simple framebuffer driver");
--
2.33.0