linux-kernel - [PATCH] of: Export of_node_ktype for modular use of of_init

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Date:   Thu, 20 Aug 2020 16:31:06 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Grant Likely <grant.likely@...aro.org>,
        Pantelis Antoniou <panto@...oniou-consulting.com>,
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE)
Subject: [PATCH] of: Export of_node_ktype for modular use of of_init_node

To permit the use of of_init_node() by kernel modules, we must export
of_node_ktype which is directly referenced by kobject_init() called from
of_init_node() otherwise modules would be getting linking failures.

Fixes: 0829f6d1f69e ("of: device_node kobject lifecycle fixes")
Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 drivers/of/kobj.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/of/kobj.c b/drivers/of/kobj.c
index a32e60b024b8..d7bbd156a671 100644
--- a/drivers/of/kobj.c
+++ b/drivers/of/kobj.c
@@ -27,6 +27,7 @@ static void of_node_release(struct kobject *kobj)
 struct kobj_type of_node_ktype = {
 	.release = of_node_release,
 };
+EXPORT_SYMBOL_GPL(of_node_ktype);
 
 static ssize_t of_node_property_read(struct file *filp, struct kobject *kobj,
 				struct bin_attribute *bin_attr, char *buf,
-- 
2.7.4