linux-kernel - [PATCH] ASoC: ux500: mop500: Constify static snd_soc

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Date:   Wed, 29 Sep 2021 11:44:01 +0200
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>
Cc:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        Rikard Falkeborn <rikard.falkeborn@...il.com>
Subject: [PATCH] ASoC: ux500: mop500: Constify static snd_soc_ops

The struct mop500_ab8500_ops is only assigned to the ops field in the
snd_soc_dai_link struct which is a pointer to const struct snd_soc_ops.
Make it const to allow the compiler to put it in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
---
 sound/soc/ux500/mop500_ab8500.c | 2 +-
 sound/soc/ux500/mop500_ab8500.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/ux500/mop500_ab8500.c b/sound/soc/ux500/mop500_ab8500.c
index 2c39c7a2fd7d..3e654e708f78 100644
--- a/sound/soc/ux500/mop500_ab8500.c
+++ b/sound/soc/ux500/mop500_ab8500.c
@@ -348,7 +348,7 @@ static int mop500_ab8500_hw_free(struct snd_pcm_substream *substream)
 	return 0;
 }
 
-struct snd_soc_ops mop500_ab8500_ops[] = {
+const struct snd_soc_ops mop500_ab8500_ops[] = {
 	{
 		.hw_params = mop500_ab8500_hw_params,
 		.hw_free = mop500_ab8500_hw_free,
diff --git a/sound/soc/ux500/mop500_ab8500.h b/sound/soc/ux500/mop500_ab8500.h
index 8138a4e9aaf5..087ef246d87d 100644
--- a/sound/soc/ux500/mop500_ab8500.h
+++ b/sound/soc/ux500/mop500_ab8500.h
@@ -11,7 +11,7 @@
 #ifndef MOP500_AB8500_H
 #define MOP500_AB8500_H
 
-extern struct snd_soc_ops mop500_ab8500_ops[];
+extern const struct snd_soc_ops mop500_ab8500_ops[];
 
 int mop500_ab8500_machine_init(struct snd_soc_pcm_runtime *rtd);
 void mop500_ab8500_remove(struct snd_soc_card *card);
-- 
2.33.0