linux-kernel - [PATCH 2/4] ASoC: rt*: Constify static struct snd_soc_dai

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Message-Id: <20210224211918.39109-3-rikard.falkeborn@gmail.com>
Date:   Wed, 24 Feb 2021 22:19:16 +0100
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     Oder Chiou <oder_chiou@...ltek.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc:     Liam Girdwood <lgirdwood@...il.com>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org,
        Rikard Falkeborn <rikard.falkeborn@...il.com>
Subject: [PATCH 2/4] ASoC: rt*: Constify static struct snd_soc_dai_ops

The only usage of them 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/codecs/rt1015.c     | 2 +-
 sound/soc/codecs/rt1016.c     | 2 +-
 sound/soc/codecs/rt5682-sdw.c | 2 +-
 sound/soc/codecs/rt700.c      | 2 +-
 sound/soc/codecs/rt711.c      | 2 +-
 sound/soc/codecs/rt715.c      | 2 +-
 6 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/sound/soc/codecs/rt1015.c b/sound/soc/codecs/rt1015.c
index 844e4079d176..501cc45240b4 100644
--- a/sound/soc/codecs/rt1015.c
+++ b/sound/soc/codecs/rt1015.c
@@ -1028,7 +1028,7 @@ static void rt1015_remove(struct snd_soc_component *component)
 #define RT1015_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
 
-static struct snd_soc_dai_ops rt1015_aif_dai_ops = {
+static const struct snd_soc_dai_ops rt1015_aif_dai_ops = {
 	.hw_params = rt1015_hw_params,
 	.set_fmt = rt1015_set_dai_fmt,
 	.set_tdm_slot = rt1015_set_tdm_slot,
diff --git a/sound/soc/codecs/rt1016.c b/sound/soc/codecs/rt1016.c
index a23d368ab4da..483375fc16ca 100644
--- a/sound/soc/codecs/rt1016.c
+++ b/sound/soc/codecs/rt1016.c
@@ -534,7 +534,7 @@ static void rt1016_remove(struct snd_soc_component *component)
 #define RT1016_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
 
-static struct snd_soc_dai_ops rt1016_aif_dai_ops = {
+static const struct snd_soc_dai_ops rt1016_aif_dai_ops = {
 	.hw_params = rt1016_hw_params,
 	.set_fmt = rt1016_set_dai_fmt,
 };
diff --git a/sound/soc/codecs/rt5682-sdw.c b/sound/soc/codecs/rt5682-sdw.c
index 0b7ac74e671d..5e097f776561 100644
--- a/sound/soc/codecs/rt5682-sdw.c
+++ b/sound/soc/codecs/rt5682-sdw.c
@@ -269,7 +269,7 @@ static int rt5682_sdw_hw_free(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static struct snd_soc_dai_ops rt5682_sdw_ops = {
+static const struct snd_soc_dai_ops rt5682_sdw_ops = {
 	.hw_params	= rt5682_sdw_hw_params,
 	.hw_free	= rt5682_sdw_hw_free,
 	.set_sdw_stream	= rt5682_set_sdw_stream,
diff --git a/sound/soc/codecs/rt700.c b/sound/soc/codecs/rt700.c
index 66ec395dbbcd..01af9d9dd3ca 100644
--- a/sound/soc/codecs/rt700.c
+++ b/sound/soc/codecs/rt700.c
@@ -1002,7 +1002,7 @@ static int rt700_pcm_hw_free(struct snd_pcm_substream *substream,
 #define RT700_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
 
-static struct snd_soc_dai_ops rt700_ops = {
+static const struct snd_soc_dai_ops rt700_ops = {
 	.hw_params	= rt700_pcm_hw_params,
 	.hw_free	= rt700_pcm_hw_free,
 	.set_sdw_stream	= rt700_set_sdw_stream,
diff --git a/sound/soc/codecs/rt711.c b/sound/soc/codecs/rt711.c
index 85f744184a60..202bf6fbc5be 100644
--- a/sound/soc/codecs/rt711.c
+++ b/sound/soc/codecs/rt711.c
@@ -1048,7 +1048,7 @@ static int rt711_pcm_hw_free(struct snd_pcm_substream *substream,
 #define RT711_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
 
-static struct snd_soc_dai_ops rt711_ops = {
+static const struct snd_soc_dai_ops rt711_ops = {
 	.hw_params	= rt711_pcm_hw_params,
 	.hw_free	= rt711_pcm_hw_free,
 	.set_sdw_stream	= rt711_set_sdw_stream,
diff --git a/sound/soc/codecs/rt715.c b/sound/soc/codecs/rt715.c
index 9a7d393d424a..f419d001a3fb 100644
--- a/sound/soc/codecs/rt715.c
+++ b/sound/soc/codecs/rt715.c
@@ -683,7 +683,7 @@ static int rt715_pcm_hw_free(struct snd_pcm_substream *substream,
 #define RT715_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
 
-static struct snd_soc_dai_ops rt715_ops = {
+static const struct snd_soc_dai_ops rt715_ops = {
 	.hw_params	= rt715_pcm_hw_params,
 	.hw_free	= rt715_pcm_hw_free,
 	.set_sdw_stream	= rt715_set_sdw_stream,
-- 
2.30.1