linux-kernel - [PATCH 2/5] devres: export devres_node_init() and devres_node

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Message-ID: <20260205224706.91996-4-dakr@kernel.org>
Date: Thu,  5 Feb 2026 23:31:25 +0100
From: Danilo Krummrich <dakr@...nel.org>
To: gregkh@...uxfoundation.org,
	rafael@...nel.org,
	ojeda@...nel.org,
	boqun.feng@...il.com,
	gary@...yguo.net,
	bjorn3_gh@...tonmail.com,
	lossin@...nel.org,
	a.hindborg@...nel.org,
	aliceryhl@...gle.com,
	tmgross@...ch.edu
Cc: driver-core@...ts.linux.dev,
	rust-for-linux@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Danilo Krummrich <dakr@...nel.org>
Subject: [PATCH 2/5] devres: export devres_node_init() and devres_node_add()

Export devres_node_init() and devres_node_add() through base.h, such
that we can access is from the Rust devres code.

Signed-off-by: Danilo Krummrich <dakr@...nel.org>
---
 drivers/base/base.h   |  3 +++
 drivers/base/devres.c | 10 ++++++----
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/base/base.h b/drivers/base/base.h
index 5e0e7eefa405..0ad52a847bd0 100644
--- a/drivers/base/base.h
+++ b/drivers/base/base.h
@@ -234,6 +234,9 @@ struct devres_node {
 	size_t				size;
 };
 
+void devres_node_init(struct devres_node *node, dr_node_release_t release,
+		      dr_node_free_t free_node);
+void devres_node_add(struct device *dev, struct devres_node *node);
 void devres_for_each_res(struct device *dev, dr_release_t release,
 			 dr_match_t match, void *match_data,
 			 void (*fn)(struct device *, void *, void *),
diff --git a/drivers/base/devres.c b/drivers/base/devres.c
index 7c9ef6fc6827..51d079acc9b3 100644
--- a/drivers/base/devres.c
+++ b/drivers/base/devres.c
@@ -36,14 +36,15 @@ struct devres_group {
 	/* -- 8 pointers */
 };
 
-static void devres_node_init(struct devres_node *node,
-			     dr_node_release_t release,
-			     dr_node_free_t free_node)
+void devres_node_init(struct devres_node *node,
+		      dr_node_release_t release,
+		      dr_node_free_t free_node)
 {
 	INIT_LIST_HEAD(&node->entry);
 	node->release = release;
 	node->free_node = free_node;
 }
+EXPORT_SYMBOL_GPL(devres_node_init);
 
 static inline void free_node(struct devres_node *node)
 {
@@ -256,12 +257,13 @@ void devres_free(void *res)
 }
 EXPORT_SYMBOL_GPL(devres_free);
 
-static void devres_node_add(struct device *dev, struct devres_node *node)
+void devres_node_add(struct device *dev, struct devres_node *node)
 {
 	guard(spinlock_irqsave)(&dev->devres_lock);
 
 	add_dr(dev, node);
 }
+EXPORT_SYMBOL_GPL(devres_node_add);
 
 /**
  * devres_add - Register device resource
-- 
2.52.0