linux-kernel - [PATCH] ASoC: tegra: Constify static snd_soc_dai

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Date:   Wed, 22 Sep 2021 22:54:38 +0200
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Sameer Pujar <spujar@...dia.com>
Cc:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        alsa-devel@...a-project.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Rikard Falkeborn <rikard.falkeborn@...il.com>
Subject: [PATCH] ASoC: tegra: Constify static snd_soc_dai_ops structs

The only usage of these is to assign their address to the ops field in
the snd_soc_dai_driver struct, which is a pointer to const. 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/tegra/tegra210_adx.c   | 4 ++--
 sound/soc/tegra/tegra210_amx.c   | 4 ++--
 sound/soc/tegra/tegra210_mixer.c | 4 ++--
 sound/soc/tegra/tegra210_mvc.c   | 2 +-
 sound/soc/tegra/tegra210_sfc.c   | 4 ++--
 5 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/sound/soc/tegra/tegra210_adx.c b/sound/soc/tegra/tegra210_adx.c
index 78d660447bb1..d7c7849c2f92 100644
--- a/sound/soc/tegra/tegra210_adx.c
+++ b/sound/soc/tegra/tegra210_adx.c
@@ -206,12 +206,12 @@ static int tegra210_adx_put_byte_map(struct snd_kcontrol *kcontrol,
 	return 1;
 }
 
-static struct snd_soc_dai_ops tegra210_adx_in_dai_ops = {
+static const struct snd_soc_dai_ops tegra210_adx_in_dai_ops = {
 	.hw_params	= tegra210_adx_in_hw_params,
 	.startup	= tegra210_adx_startup,
 };
 
-static struct snd_soc_dai_ops tegra210_adx_out_dai_ops = {
+static const struct snd_soc_dai_ops tegra210_adx_out_dai_ops = {
 	.hw_params	= tegra210_adx_out_hw_params,
 };
 
diff --git a/sound/soc/tegra/tegra210_amx.c b/sound/soc/tegra/tegra210_amx.c
index 83176e1663ab..af9bddfc3120 100644
--- a/sound/soc/tegra/tegra210_amx.c
+++ b/sound/soc/tegra/tegra210_amx.c
@@ -241,12 +241,12 @@ static int tegra210_amx_put_byte_map(struct snd_kcontrol *kcontrol,
 	return 1;
 }
 
-static struct snd_soc_dai_ops tegra210_amx_out_dai_ops = {
+static const struct snd_soc_dai_ops tegra210_amx_out_dai_ops = {
 	.hw_params	= tegra210_amx_out_hw_params,
 	.startup	= tegra210_amx_startup,
 };
 
-static struct snd_soc_dai_ops tegra210_amx_in_dai_ops = {
+static const struct snd_soc_dai_ops tegra210_amx_in_dai_ops = {
 	.hw_params	= tegra210_amx_in_hw_params,
 };
 
diff --git a/sound/soc/tegra/tegra210_mixer.c b/sound/soc/tegra/tegra210_mixer.c
index 53fcd8f6605a..55e61776c565 100644
--- a/sound/soc/tegra/tegra210_mixer.c
+++ b/sound/soc/tegra/tegra210_mixer.c
@@ -283,11 +283,11 @@ static int tegra210_mixer_out_hw_params(struct snd_pcm_substream *substream,
 					    dai->id - TEGRA210_MIXER_RX_MAX);
 }
 
-static struct snd_soc_dai_ops tegra210_mixer_out_dai_ops = {
+static const struct snd_soc_dai_ops tegra210_mixer_out_dai_ops = {
 	.hw_params	= tegra210_mixer_out_hw_params,
 };
 
-static struct snd_soc_dai_ops tegra210_mixer_in_dai_ops = {
+static const struct snd_soc_dai_ops tegra210_mixer_in_dai_ops = {
 	.hw_params	= tegra210_mixer_in_hw_params,
 };
 
diff --git a/sound/soc/tegra/tegra210_mvc.c b/sound/soc/tegra/tegra210_mvc.c
index 3646ce9b0fd1..7b9c7006e419 100644
--- a/sound/soc/tegra/tegra210_mvc.c
+++ b/sound/soc/tegra/tegra210_mvc.c
@@ -387,7 +387,7 @@ static int tegra210_mvc_hw_params(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static struct snd_soc_dai_ops tegra210_mvc_dai_ops = {
+static const struct snd_soc_dai_ops tegra210_mvc_dai_ops = {
 	.hw_params	= tegra210_mvc_hw_params,
 };
 
diff --git a/sound/soc/tegra/tegra210_sfc.c b/sound/soc/tegra/tegra210_sfc.c
index 260dca6f6d25..dc477ee1b82c 100644
--- a/sound/soc/tegra/tegra210_sfc.c
+++ b/sound/soc/tegra/tegra210_sfc.c
@@ -3287,12 +3287,12 @@ static int tegra210_sfc_put_control(struct snd_kcontrol *kcontrol,
 	return 1;
 }
 
-static struct snd_soc_dai_ops tegra210_sfc_in_dai_ops = {
+static const struct snd_soc_dai_ops tegra210_sfc_in_dai_ops = {
 	.hw_params	= tegra210_sfc_in_hw_params,
 	.startup	= tegra210_sfc_startup,
 };
 
-static struct snd_soc_dai_ops tegra210_sfc_out_dai_ops = {
+static const struct snd_soc_dai_ops tegra210_sfc_out_dai_ops = {
 	.hw_params	= tegra210_sfc_out_hw_params,
 };
 
-- 
2.33.0