linux-kernel - [PATCH -next] ASoC: amd: renoir: acp3x-pdm-dma: constify static struct snd_soc_dai

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Message-ID: <20210408062658.803724-1-yebin10@huawei.com>
Date:   Thu, 8 Apr 2021 14:26:58 +0800
From:   Ye Bin <yebin10@...wei.com>
To:     <yebin10@...wei.com>, Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Vijendar Mukunda <Vijendar.Mukunda@....com>,
        "Pierre-Louis Bossart" <pierre-louis.bossart@...ux.intel.com>,
        Hui Wang <hui.wang@...onical.com>
CC:     <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>, Hulk Robot <hulkci@...wei.com>
Subject: [PATCH -next] ASoC: amd: renoir: acp3x-pdm-dma: constify static struct snd_soc_dai_ops

The snd_soc_dai_ops structures is only stored in the ops field of a
snd_soc_dai_driver structure, so make the snd_soc_dai_ops structure
const to allow the compiler to put it in read-only memory.

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Ye Bin <yebin10@...wei.com>
---
 sound/soc/amd/renoir/acp3x-pdm-dma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/amd/renoir/acp3x-pdm-dma.c b/sound/soc/amd/renoir/acp3x-pdm-dma.c
index 1acd20439399..4c2810e58dce 100644
--- a/sound/soc/amd/renoir/acp3x-pdm-dma.c
+++ b/sound/soc/amd/renoir/acp3x-pdm-dma.c
@@ -356,7 +356,7 @@ static int acp_pdm_dai_trigger(struct snd_pcm_substream *substream,
 	return ret;
 }
 
-static struct snd_soc_dai_ops acp_pdm_dai_ops = {
+static const struct snd_soc_dai_ops acp_pdm_dai_ops = {
 	.trigger   = acp_pdm_dai_trigger,
 };