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of: Move simple-framebuffer device handling from simplefb to of

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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@marcan.st>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20211212062407.138309-2-marcan@marcan.st
This commit is contained in:
Hector Martin 2021-12-12 15:24:05 +09:00 committed by Thomas Zimmermann
parent 938db27659
commit 2f92ea2162
2 changed files with 5 additions and 20 deletions
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4
drivers/of/platform.c
View File

@ -540,6 +540,10 @@ static int __init of_platform_default_populate_init(void)
of_node_put(node);
}
node = of_get_compatible_child(of_chosen, "simple-framebuffer");
of_platform_device_create(node, NULL, NULL);
of_node_put(node);
/* Populate everything else. */
of_platform_default_populate(NULL, NULL, NULL);

21
drivers/video/fbdev/simplefb.c
View File

@ -530,26 +530,7 @@ 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@wwwdotorg.org>");
MODULE_DESCRIPTION("Simple framebuffer driver");