ASoC: fsl: 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@gmail.com>
Acked-by: Shengjiu Wang <shengjiu.wang@gmail.com>
Link: https://lore.kernel.org/r/20210206225849.51071-1-rikard.falkeborn@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/fsl/fsl_easrc.c b/sound/soc/fsl/fsl_easrc.c
index 60951a8..636a702 100644 (file)
--- a/sound/soc/fsl/fsl_easrc.c
+++ b/sound/soc/fsl/fsl_easrc.c
@@ -1530,7 +1530,7 @@ static int fsl_easrc_hw_free(struct snd_pcm_substream *substream,
        return 0;
 }
 
-static struct snd_soc_dai_ops fsl_easrc_dai_ops = {
+static const struct snd_soc_dai_ops fsl_easrc_dai_ops = {
        .startup = fsl_easrc_startup,
        .trigger = fsl_easrc_trigger,
        .hw_params = fsl_easrc_hw_params,

diff --git a/sound/soc/fsl/fsl_micfil.c b/sound/soc/fsl/fsl_micfil.c
index 8aedf65..5935af2 100644 (file)
--- a/sound/soc/fsl/fsl_micfil.c
+++ b/sound/soc/fsl/fsl_micfil.c
@@ -381,7 +381,7 @@ static int fsl_micfil_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
        return ret;
 }
 
-static struct snd_soc_dai_ops fsl_micfil_dai_ops = {
+static const struct snd_soc_dai_ops fsl_micfil_dai_ops = {
        .startup = fsl_micfil_startup,
        .trigger = fsl_micfil_trigger,
        .hw_params = fsl_micfil_hw_params,

diff --git a/sound/soc/fsl/fsl_xcvr.c b/sound/soc/fsl/fsl_xcvr.c
index dd228b4..6dd0a5f 100644 (file)
--- a/sound/soc/fsl/fsl_xcvr.c
+++ b/sound/soc/fsl/fsl_xcvr.c
@@ -857,7 +857,7 @@ static struct snd_kcontrol_new fsl_xcvr_tx_ctls[] = {
        },
 };
 
-static struct snd_soc_dai_ops fsl_xcvr_dai_ops = {
+static const struct snd_soc_dai_ops fsl_xcvr_dai_ops = {
        .prepare = fsl_xcvr_prepare,
        .startup = fsl_xcvr_startup,
        .shutdown = fsl_xcvr_shutdown,