ASoC: stm32: sai: simplify dai driver initialisation

Suppress the useless dynamic allocation of the dai driver structure.

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/stm/stm32_sai_sub.c b/sound/soc/stm/stm32_sai_sub.c
index 3dd54bc54fa12afa8f7a6517edd64f354ea3b346..e3b021c9e8d0fbc5515e0755c407306faeed9ac1 100644 (file)
--- a/sound/soc/stm/stm32_sai_sub.c
+++ b/sound/soc/stm/stm32_sai_sub.c
@@ -109,7 +109,7 @@ struct stm32_sai_sub_data {
        struct regmap *regmap;
        const struct regmap_config *regmap_config;
        struct snd_dmaengine_dai_dma_data dma_params;
-       struct snd_soc_dai_driver *cpu_dai_drv;
+       struct snd_soc_dai_driver cpu_dai_drv;
        struct snd_soc_dai *cpu_dai;
        struct snd_pcm_substream *substream;
        struct stm32_sai_data *pdata;
@@ -1204,8 +1204,7 @@ static const struct snd_pcm_hardware stm32_sai_pcm_hw = {
        .periods_max = 8,
 };
 
-static struct snd_soc_dai_driver stm32_sai_playback_dai[] = {
-{
+static struct snd_soc_dai_driver stm32_sai_playback_dai = {
                .probe = stm32_sai_dai_probe,
                .pcm_new = stm32_sai_pcm_new,
                .id = 1, /* avoid call to fmt_single_name() */
@@ -1222,11 +1221,9 @@ static struct snd_soc_dai_driver stm32_sai_playback_dai[] = {
                                SNDRV_PCM_FMTBIT_S32_LE,
                },
                .ops = &stm32_sai_pcm_dai_ops,
-       }
 };
 
-static struct snd_soc_dai_driver stm32_sai_capture_dai[] = {
-{
+static struct snd_soc_dai_driver stm32_sai_capture_dai = {
                .probe = stm32_sai_dai_probe,
                .id = 1, /* avoid call to fmt_single_name() */
                .capture = {
@@ -1242,7 +1239,6 @@ static struct snd_soc_dai_driver stm32_sai_capture_dai[] = {
                                SNDRV_PCM_FMTBIT_S32_LE,
                },
                .ops = &stm32_sai_pcm_dai_ops,
-       }
 };
 
 static const struct snd_dmaengine_pcm_config stm32_sai_pcm_config = {
@@ -1411,29 +1407,6 @@ static int stm32_sai_sub_parse_of(struct platform_device *pdev,
        return 0;
 }
 
-static int stm32_sai_sub_dais_init(struct platform_device *pdev,
-                                  struct stm32_sai_sub_data *sai)
-{
-       sai->cpu_dai_drv = devm_kzalloc(&pdev->dev,
-                                       sizeof(struct snd_soc_dai_driver),
-                                       GFP_KERNEL);
-       if (!sai->cpu_dai_drv)
-               return -ENOMEM;
-
-       if (STM_SAI_IS_PLAYBACK(sai)) {
-               memcpy(sai->cpu_dai_drv, &stm32_sai_playback_dai,
-                      sizeof(stm32_sai_playback_dai));
-               sai->cpu_dai_drv->playback.stream_name = sai->cpu_dai_drv->name;
-       } else {
-               memcpy(sai->cpu_dai_drv, &stm32_sai_capture_dai,
-                      sizeof(stm32_sai_capture_dai));
-               sai->cpu_dai_drv->capture.stream_name = sai->cpu_dai_drv->name;
-       }
-       sai->cpu_dai_drv->name = dev_name(&pdev->dev);
-
-       return 0;
-}
-
 static int stm32_sai_sub_probe(struct platform_device *pdev)
 {
        struct stm32_sai_sub_data *sai;
@@ -1465,9 +1438,11 @@ static int stm32_sai_sub_probe(struct platform_device *pdev)
        if (ret)
                return ret;
 
-       ret = stm32_sai_sub_dais_init(pdev, sai);
-       if (ret)
-               return ret;
+       if (STM_SAI_IS_PLAYBACK(sai))
+               sai->cpu_dai_drv = stm32_sai_playback_dai;
+       else
+               sai->cpu_dai_drv = stm32_sai_capture_dai;
+       sai->cpu_dai_drv.name = dev_name(&pdev->dev);
 
        ret = devm_request_irq(&pdev->dev, sai->pdata->irq, stm32_sai_isr,
                               IRQF_SHARED, dev_name(&pdev->dev), sai);
@@ -1477,7 +1452,7 @@ static int stm32_sai_sub_probe(struct platform_device *pdev)
        }
 
        ret = devm_snd_soc_register_component(&pdev->dev, &stm32_component,
-                                             sai->cpu_dai_drv, 1);
+                                             &sai->cpu_dai_drv, 1);
        if (ret)
                return ret;