linux-kernel - [PATCH v5 1/3] of: Do not expose of_alias

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Message-Id: <20250114-of_core_fix-v5-1-b8bafd00a86f@quicinc.com>
Date: Tue, 14 Jan 2025 23:23:03 +0800
From: Zijun Hu <zijun_hu@...oud.com>
To: Rob Herring <robh@...nel.org>, Saravana Kannan <saravanak@...gle.com>, 
 Oreoluwa Babatunde <quic_obabatun@...cinc.com>
Cc: Zijun Hu <zijun_hu@...oud.com>, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Zijun Hu <quic_zijuhu@...cinc.com>
Subject: [PATCH v5 1/3] of: Do not expose of_alias_scan() and correct its
 comments

From: Zijun Hu <quic_zijuhu@...cinc.com>

of_alias_scan() has no external callers and returns void.
Do not expose it and delete return value descriptions in its comments.

Signed-off-by: Zijun Hu <quic_zijuhu@...cinc.com>
---
 drivers/of/base.c       | 3 +--
 drivers/of/of_private.h | 2 ++
 drivers/of/pdt.c        | 2 ++
 include/linux/of.h      | 1 -
 4 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/of/base.c b/drivers/of/base.c
index 969b99838655534915882abe358814d505c6f748..f4ab4086b80f62c4d9ce428cdde042d0ed4febe2 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -1812,8 +1812,7 @@ static void of_alias_add(struct alias_prop *ap, struct device_node *np,
  *		for storing the resulting tree
  *
  * The function scans all the properties of the 'aliases' node and populates
- * the global lookup table with the properties.  It returns the
- * number of alias properties found, or an error code in case of failure.
+ * the global lookup table with the properties.
  */
 void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align))
 {
diff --git a/drivers/of/of_private.h b/drivers/of/of_private.h
index 58819222279a5319c5f6be30d156b24f920c5481..f3e1193c8ded4899f39677a76da073e2266a1b9a 100644
--- a/drivers/of/of_private.h
+++ b/drivers/of/of_private.h
@@ -119,6 +119,8 @@ extern void *__unflatten_device_tree(const void *blob,
 			      void *(*dt_alloc)(u64 size, u64 align),
 			      bool detached);
 
+void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align));
+
 /**
  * General utilities for working with live trees.
  *
diff --git a/drivers/of/pdt.c b/drivers/of/pdt.c
index 7eda43c66c916198b1c2d8fc5043fcb1edaede7a..cb0cb374b21ff89323e11f34bd767b183e7a401e 100644
--- a/drivers/of/pdt.c
+++ b/drivers/of/pdt.c
@@ -19,6 +19,8 @@
 #include <linux/of.h>
 #include <linux/of_pdt.h>
 
+#include "of_private.h"
+
 static struct of_pdt_ops *of_pdt_prom_ops __initdata;
 
 #if defined(CONFIG_SPARC)
diff --git a/include/linux/of.h b/include/linux/of.h
index 0cdd58ff0a4190724309ba1eddbac51b188b6136..eaf0e2a2b75cbe4769a77f68965298c84d57e62c 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -398,7 +398,6 @@ extern int of_phandle_iterator_args(struct of_phandle_iterator *it,
 				    uint32_t *args,
 				    int size);
 
-extern void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align));
 extern int of_alias_get_id(const struct device_node *np, const char *stem);
 extern int of_alias_get_highest_id(const char *stem);
 

-- 
2.34.1