[PATCH] of/platform: Ignore disabled devices in of_platform_populate()
DORMANTno replies
From: Alexander Sverdlin <hidden>
Date: 2017-01-23 12:21:51
Subsystem:
open firmware and flattened device tree, the rest · Maintainers:
Rob Herring, Saravana Kannan, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2017-01-23 · Re: [PATCH] of/platform: Ignore disabled devices in of_platform_populate() · Alexander Sverdlin <hidden>
Check the status property and give up early enough. Otherwise OF_POPULATED_BUS might be set for disabled bus which will prevent it from being populated later (if enabled). Signed-off-by: Alexander Sverdlin <redacted> Cc: Rob Herring <redacted> Cc: Frank Rowand <redacted> Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org --- drivers/of/platform.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 35de1fc59fa6..5ad8c13f754a 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c@@ -473,9 +473,13 @@ int of_platform_populate(struct device_node *root, struct device_node *child; int rc = 0; - root = root ? of_node_get(root) : of_find_node_by_path("/"); + if (!root) + root = of_find_node_by_path("/"); if (!root) return -EINVAL; + if (!of_device_is_available(root)) + return 0; + of_node_get(root); pr_debug("%s()\n", __func__); pr_debug(" starting at: %s\n", root->full_name);
--
2.11.0
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