linux-kernel - [PATCH] ASoC: amd: vangogh: constify static struct snd_soc_dai

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Date:   Tue, 12 Oct 2021 23:15:06 +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>,
        Vijendar Mukunda <Vijendar.Mukunda@....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: amd: vangogh: constify static struct snd_soc_dai_ops

The only usage of acp5x_i2s_dai_ops is to assign its address to the ops
field in the snd_soc_dai_driver struct, which is a pointer to const.
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/amd/vangogh/acp5x-i2s.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/amd/vangogh/acp5x-i2s.c b/sound/soc/amd/vangogh/acp5x-i2s.c
index 2705e57eb713..002db3971ca9 100644
--- a/sound/soc/amd/vangogh/acp5x-i2s.c
+++ b/sound/soc/amd/vangogh/acp5x-i2s.c
@@ -348,7 +348,7 @@ static int acp5x_i2s_trigger(struct snd_pcm_substream *substream,
 	return ret;
 }
 
-static struct snd_soc_dai_ops acp5x_i2s_dai_ops = {
+static const struct snd_soc_dai_ops acp5x_i2s_dai_ops = {
 	.hw_params = acp5x_i2s_hwparams,
 	.trigger = acp5x_i2s_trigger,
 	.set_fmt = acp5x_i2s_set_fmt,
-- 
2.33.0