linux-kernel - [PATCH] ASoC: fsl: Constify static snd_soc

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Date:   Mon, 20 Sep 2021 21:39:47 +0200
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     Nicolin Chen <nicoleotsuka@...il.com>,
        Xiubo Li <Xiubo.Lee@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>
Cc:     Fabio Estevam <festevam@...il.com>,
        Shengjiu Wang <shengjiu.wang@...il.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        NXP Linux Team <linux-imx@....com>,
        alsa-devel@...a-project.org, linuxppc-dev@...ts.ozlabs.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Rikard Falkeborn <rikard.falkeborn@...il.com>
Subject: [PATCH] ASoC: fsl: Constify static snd_soc_ops

These are only assigned to the ops field in the snd_soc_dai_link struct
which is a pointer to const struct snd_soc_ops. Make them const to allow
the compiler to put them in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
---
 sound/soc/fsl/imx-audmix.c | 4 ++--
 sound/soc/fsl/imx-card.c   | 4 ++--
 sound/soc/fsl/imx-hdmi.c   | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/sound/soc/fsl/imx-audmix.c b/sound/soc/fsl/imx-audmix.c
index a364e2415de0..0d637929bfef 100644
--- a/sound/soc/fsl/imx-audmix.c
+++ b/sound/soc/fsl/imx-audmix.c
@@ -132,12 +132,12 @@ static int imx_audmix_be_hw_params(struct snd_pcm_substream *substream,
 	return ret;
 }
 
-static struct snd_soc_ops imx_audmix_fe_ops = {
+static const struct snd_soc_ops imx_audmix_fe_ops = {
 	.startup = imx_audmix_fe_startup,
 	.hw_params = imx_audmix_fe_hw_params,
 };
 
-static struct snd_soc_ops imx_audmix_be_ops = {
+static const struct snd_soc_ops imx_audmix_be_ops = {
 	.hw_params = imx_audmix_be_hw_params,
 };
 
diff --git a/sound/soc/fsl/imx-card.c b/sound/soc/fsl/imx-card.c
index 58fd0639a069..05dff2dc1d19 100644
--- a/sound/soc/fsl/imx-card.c
+++ b/sound/soc/fsl/imx-card.c
@@ -442,12 +442,12 @@ static int imx_aif_startup(struct snd_pcm_substream *substream)
 	return ret;
 }
 
-static struct snd_soc_ops imx_aif_ops = {
+static const struct snd_soc_ops imx_aif_ops = {
 	.hw_params = imx_aif_hw_params,
 	.startup = imx_aif_startup,
 };
 
-static struct snd_soc_ops imx_aif_ops_be = {
+static const struct snd_soc_ops imx_aif_ops_be = {
 	.hw_params = imx_aif_hw_params,
 };
 
diff --git a/sound/soc/fsl/imx-hdmi.c b/sound/soc/fsl/imx-hdmi.c
index 34a0dceae621..2b663c39edb2 100644
--- a/sound/soc/fsl/imx-hdmi.c
+++ b/sound/soc/fsl/imx-hdmi.c
@@ -59,7 +59,7 @@ static int imx_hdmi_hw_params(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static struct snd_soc_ops imx_hdmi_ops = {
+static const struct snd_soc_ops imx_hdmi_ops = {
 	.hw_params = imx_hdmi_hw_params,
 };
 
-- 
2.33.0