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Date: Fri, 16 Feb 2024 15:54:48 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>,
	linux-sound@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH] ASoC: Constify pointer to of_phandle_args

Constify pointer to of_phandle_args in few function arguments, for code
safety and self-documenting code.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 include/sound/soc.h  | 4 ++--
 sound/soc/soc-core.c | 9 +++++----
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/include/sound/soc.h b/include/sound/soc.h
index 6defc5547ff9..39613b406b1d 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -1401,8 +1401,8 @@ void snd_soc_remove_pcm_runtime(struct snd_soc_card *card,
 void snd_soc_dlc_use_cpu_as_platform(struct snd_soc_dai_link_component *platforms,
 				     struct snd_soc_dai_link_component *cpus);
 struct of_phandle_args *snd_soc_copy_dai_args(struct device *dev,
-					      struct of_phandle_args *args);
-struct snd_soc_dai *snd_soc_get_dai_via_args(struct of_phandle_args *dai_args);
+					      const struct of_phandle_args *args);
+struct snd_soc_dai *snd_soc_get_dai_via_args(const struct of_phandle_args *dai_args);
 struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component,
 					 struct snd_soc_dai_driver *dai_drv,
 					 bool legacy_dai_naming);
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 516350533e73..b11b2ca5d939 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -238,8 +238,8 @@ static inline void snd_soc_debugfs_exit(void) { }
 
 #endif
 
-static int snd_soc_is_match_dai_args(struct of_phandle_args *args1,
-				     struct of_phandle_args *args2)
+static int snd_soc_is_match_dai_args(const struct of_phandle_args *args1,
+				     const struct of_phandle_args *args2)
 {
 	if (!args1 || !args2)
 		return 0;
@@ -831,7 +831,8 @@ static struct device_node
 	return of_node;
 }
 
-struct of_phandle_args *snd_soc_copy_dai_args(struct device *dev, struct of_phandle_args *args)
+struct of_phandle_args *snd_soc_copy_dai_args(struct device *dev,
+					      const struct of_phandle_args *args)
 {
 	struct of_phandle_args *ret = devm_kzalloc(dev, sizeof(*ret), GFP_KERNEL);
 
@@ -3597,7 +3598,7 @@ int snd_soc_of_get_dai_name(struct device_node *of_node,
 }
 EXPORT_SYMBOL_GPL(snd_soc_of_get_dai_name);
 
-struct snd_soc_dai *snd_soc_get_dai_via_args(struct of_phandle_args *dai_args)
+struct snd_soc_dai *snd_soc_get_dai_via_args(const struct of_phandle_args *dai_args)
 {
 	struct snd_soc_dai *dai;
 	struct snd_soc_component *component;
-- 
2.34.1


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