diff --git a/sound/soc/codecs/hdmi-codec.c b/sound/soc/codecs/hdmi-codec.c
index d73d2c1ed823..3abf82563408 100644
--- a/sound/soc/codecs/hdmi-codec.c
+++ b/sound/soc/codecs/hdmi-codec.c
@@ -67,14 +67,14 @@ struct hdmi_codec_cea_spk_alloc {
 };
 
 /* Channel maps  stereo HDMI */
-const struct snd_pcm_chmap_elem hdmi_codec_stereo_chmaps[] = {
+static const struct snd_pcm_chmap_elem hdmi_codec_stereo_chmaps[] = {
 	{ .channels = 2,
 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
 	{ }
 };
 
 /* Channel maps for multi-channel playbacks, up to 8 n_ch */
-const struct snd_pcm_chmap_elem hdmi_codec_8ch_chmaps[] = {
+static const struct snd_pcm_chmap_elem hdmi_codec_8ch_chmaps[] = {
 	{ .channels = 2, /* CA_ID 0x00 */
 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
 	{ .channels = 4, /* CA_ID 0x01 */
@@ -340,7 +340,7 @@ static unsigned long hdmi_codec_spk_mask_from_alloc(int spk_alloc)
 	return spk_mask;
 }
 
-void hdmi_codec_eld_chmap(struct hdmi_codec_priv *hcp)
+static void hdmi_codec_eld_chmap(struct hdmi_codec_priv *hcp)
 {
 	u8 spk_alloc;
 	unsigned long spk_mask;
@@ -696,7 +696,7 @@ static const struct snd_soc_dai_driver hdmi_i2s_dai = {
 	.name = "i2s-hifi",
 	.id = DAI_ID_I2S,
 	.playback = {
-		.stream_name = "Playback",
+		.stream_name = "I2S Playback",
 		.channels_min = 2,
 		.channels_max = 8,
 		.rates = HDMI_RATES,
@@ -711,7 +711,7 @@ static const struct snd_soc_dai_driver hdmi_spdif_dai = {
 	.name = "spdif-hifi",
 	.id = DAI_ID_SPDIF,
 	.playback = {
-		.stream_name = "Playback",
+		.stream_name = "SPDIF Playback",
 		.channels_min = 2,
 		.channels_max = 2,
 		.rates = HDMI_RATES,
diff --git a/sound/soc/dwc/dwc-i2s.c b/sound/soc/dwc/dwc-i2s.c
index 916067638180..e27e21f8569a 100644
--- a/sound/soc/dwc/dwc-i2s.c
+++ b/sound/soc/dwc/dwc-i2s.c
@@ -381,7 +381,7 @@ static int dw_i2s_set_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
 	return ret;
 }
 
-static struct snd_soc_dai_ops dw_i2s_dai_ops = {
+static const struct snd_soc_dai_ops dw_i2s_dai_ops = {
 	.startup	= dw_i2s_startup,
 	.shutdown	= dw_i2s_shutdown,
 	.hw_params	= dw_i2s_hw_params,
@@ -617,10 +617,8 @@ static int dw_i2s_probe(struct platform_device *pdev)
 	const char *clk_id;
 
 	dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
-	if (!dev) {
-		dev_warn(&pdev->dev, "kzalloc fail\n");
+	if (!dev)
 		return -ENOMEM;
-	}
 
 	dw_i2s_dai = devm_kzalloc(&pdev->dev, sizeof(*dw_i2s_dai), GFP_KERNEL);
 	if (!dw_i2s_dai)
diff --git a/sound/soc/fsl/fsl-asoc-card.c b/sound/soc/fsl/fsl-asoc-card.c
index 9998aea23597..2db4d0c80d33 100644
--- a/sound/soc/fsl/fsl-asoc-card.c
+++ b/sound/soc/fsl/fsl-asoc-card.c
@@ -683,7 +683,7 @@ static int fsl_asoc_card_probe(struct platform_device *pdev)
 	snd_soc_card_set_drvdata(&priv->card, priv);
 
 	ret = devm_snd_soc_register_card(&pdev->dev, &priv->card);
-	if (ret)
+	if (ret && ret != -EPROBE_DEFER)
 		dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret);
 
 asrc_fail:
diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c
index 8cfffa70c144..806d39927318 100644
--- a/sound/soc/fsl/fsl_asrc.c
+++ b/sound/soc/fsl/fsl_asrc.c
@@ -542,7 +542,7 @@ static int fsl_asrc_dai_trigger(struct snd_pcm_substream *substream, int cmd,
 	return 0;
 }
 
-static struct snd_soc_dai_ops fsl_asrc_dai_ops = {
+static const struct snd_soc_dai_ops fsl_asrc_dai_ops = {
 	.hw_params    = fsl_asrc_dai_hw_params,
 	.hw_free      = fsl_asrc_dai_hw_free,
 	.trigger      = fsl_asrc_dai_trigger,
diff --git a/sound/soc/fsl/fsl_asrc_dma.c b/sound/soc/fsl/fsl_asrc_dma.c
index 282d841840b1..e1b97e59275a 100644
--- a/sound/soc/fsl/fsl_asrc_dma.c
+++ b/sound/soc/fsl/fsl_asrc_dma.c
@@ -20,7 +20,7 @@
 
 #define FSL_ASRC_DMABUF_SIZE	(256 * 1024)
 
-static struct snd_pcm_hardware snd_imx_hardware = {
+static const struct snd_pcm_hardware snd_imx_hardware = {
 	.info = SNDRV_PCM_INFO_INTERLEAVED |
 		SNDRV_PCM_INFO_BLOCK_TRANSFER |
 		SNDRV_PCM_INFO_MMAP |
@@ -279,10 +279,8 @@ static int fsl_asrc_dma_startup(struct snd_pcm_substream *substream)
 	struct fsl_asrc_pair *pair;
 
 	pair = kzalloc(sizeof(struct fsl_asrc_pair), GFP_KERNEL);
-	if (!pair) {
-		dev_err(dev, "failed to allocate pair\n");
+	if (!pair)
 		return -ENOMEM;
-	}
 
 	pair->asrc_priv = asrc_priv;
 
diff --git a/sound/soc/fsl/fsl_dma.c b/sound/soc/fsl/fsl_dma.c
index ccadefceeff2..0c11f434a374 100644
--- a/sound/soc/fsl/fsl_dma.c
+++ b/sound/soc/fsl/fsl_dma.c
@@ -63,7 +63,6 @@ struct dma_object {
 	struct ccsr_dma_channel __iomem *channel;
 	unsigned int irq;
 	bool assigned;
-	char path[1];
 };
 
 /*
@@ -870,7 +869,7 @@ static struct device_node *find_ssi_node(struct device_node *dma_channel_np)
 	return NULL;
 }
 
-static struct snd_pcm_ops fsl_dma_ops = {
+static const struct snd_pcm_ops fsl_dma_ops = {
 	.open   	= fsl_dma_open,
 	.close  	= fsl_dma_close,
 	.ioctl  	= snd_pcm_lib_ioctl,
@@ -897,20 +896,18 @@ static int fsl_soc_dma_probe(struct platform_device *pdev)
 
 	ret = of_address_to_resource(ssi_np, 0, &res);
 	if (ret) {
-		dev_err(&pdev->dev, "could not determine resources for %s\n",
-			ssi_np->full_name);
+		dev_err(&pdev->dev, "could not determine resources for %pOF\n",
+			ssi_np);
 		of_node_put(ssi_np);
 		return ret;
 	}
 
-	dma = kzalloc(sizeof(*dma) + strlen(np->full_name), GFP_KERNEL);
+	dma = kzalloc(sizeof(*dma), GFP_KERNEL);
 	if (!dma) {
-		dev_err(&pdev->dev, "could not allocate dma object\n");
 		of_node_put(ssi_np);
 		return -ENOMEM;
 	}
 
-	strcpy(dma->path, np->full_name);
 	dma->dai.ops = &fsl_dma_ops;
 	dma->dai.pcm_new = fsl_dma_new;
 	dma->dai.pcm_free = fsl_dma_free_dma_buffers;
diff --git a/sound/soc/fsl/fsl_esai.c b/sound/soc/fsl/fsl_esai.c
index 809a069d490b..cef79a1a620b 100644
--- a/sound/soc/fsl/fsl_esai.c
+++ b/sound/soc/fsl/fsl_esai.c
@@ -620,7 +620,7 @@ static int fsl_esai_trigger(struct snd_pcm_substream *substream, int cmd,
 	return 0;
 }
 
-static struct snd_soc_dai_ops fsl_esai_dai_ops = {
+static const struct snd_soc_dai_ops fsl_esai_dai_ops = {
 	.startup = fsl_esai_startup,
 	.shutdown = fsl_esai_shutdown,
 	.trigger = fsl_esai_trigger,
diff --git a/sound/soc/fsl/fsl_spdif.c b/sound/soc/fsl/fsl_spdif.c
index 1ff467c9598a..7e6cc4da0088 100644
--- a/sound/soc/fsl/fsl_spdif.c
+++ b/sound/soc/fsl/fsl_spdif.c
@@ -626,7 +626,7 @@ static int fsl_spdif_trigger(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static struct snd_soc_dai_ops fsl_spdif_dai_ops = {
+static const struct snd_soc_dai_ops fsl_spdif_dai_ops = {
 	.startup = fsl_spdif_startup,
 	.hw_params = fsl_spdif_hw_params,
 	.trigger = fsl_spdif_trigger,
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 173cb8496641..64598d1183f8 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -1432,10 +1432,8 @@ static int fsl_ssi_probe(struct platform_device *pdev)
 
 	ssi_private = devm_kzalloc(&pdev->dev, sizeof(*ssi_private),
 			GFP_KERNEL);
-	if (!ssi_private) {
-		dev_err(&pdev->dev, "could not allocate DAI object\n");
+	if (!ssi_private)
 		return -ENOMEM;
-	}
 
 	ssi_private->soc = of_id->data;
 	ssi_private->dev = &pdev->dev;
diff --git a/sound/soc/fsl/imx-audmux.c b/sound/soc/fsl/imx-audmux.c
index fc57da341d61..392d5eef356d 100644
--- a/sound/soc/fsl/imx-audmux.c
+++ b/sound/soc/fsl/imx-audmux.c
@@ -268,13 +268,13 @@ static int imx_audmux_parse_dt_defaults(struct platform_device *pdev,
 
 		ret = of_property_read_u32(child, "fsl,audmux-port", &port);
 		if (ret) {
-			dev_warn(&pdev->dev, "Failed to get fsl,audmux-port of child node \"%s\"\n",
-					child->full_name);
+			dev_warn(&pdev->dev, "Failed to get fsl,audmux-port of child node \"%pOF\"\n",
+					child);
 			continue;
 		}
 		if (!of_property_read_bool(child, "fsl,port-config")) {
-			dev_warn(&pdev->dev, "child node \"%s\" does not have property fsl,port-config\n",
-					child->full_name);
+			dev_warn(&pdev->dev, "child node \"%pOF\" does not have property fsl,port-config\n",
+					child);
 			continue;
 		}
 
@@ -292,15 +292,15 @@ static int imx_audmux_parse_dt_defaults(struct platform_device *pdev,
 		}
 
 		if (ret != -EOVERFLOW) {
-			dev_err(&pdev->dev, "Failed to read u32 at index %d of child %s\n",
-					i, child->full_name);
+			dev_err(&pdev->dev, "Failed to read u32 at index %d of child %pOF\n",
+					i, child);
 			continue;
 		}
 
 		if (audmux_type == IMX31_AUDMUX) {
 			if (i % 2) {
-				dev_err(&pdev->dev, "One pdcr value is missing in child node %s\n",
-						child->full_name);
+				dev_err(&pdev->dev, "One pdcr value is missing in child node %pOF\n",
+						child);
 				continue;
 			}
 			imx_audmux_v2_configure_port(port, ptcr, pdcr);
diff --git a/sound/soc/fsl/imx-pcm-fiq.c b/sound/soc/fsl/imx-pcm-fiq.c
index 92410f7ca1fa..4e5fefee111e 100644
--- a/sound/soc/fsl/imx-pcm-fiq.c
+++ b/sound/soc/fsl/imx-pcm-fiq.c
@@ -154,7 +154,7 @@ static snd_pcm_uframes_t snd_imx_pcm_pointer(struct snd_pcm_substream *substream
 	return bytes_to_frames(substream->runtime, iprtd->offset);
 }
 
-static struct snd_pcm_hardware snd_imx_hardware = {
+static const struct snd_pcm_hardware snd_imx_hardware = {
 	.info = SNDRV_PCM_INFO_INTERLEAVED |
 		SNDRV_PCM_INFO_BLOCK_TRANSFER |
 		SNDRV_PCM_INFO_MMAP |
@@ -227,7 +227,7 @@ static int snd_imx_pcm_mmap(struct snd_pcm_substream *substream,
 	return ret;
 }
 
-static struct snd_pcm_ops imx_pcm_ops = {
+static const struct snd_pcm_ops imx_pcm_ops = {
 	.open		= snd_imx_open,
 	.close		= snd_imx_close,
 	.ioctl		= snd_pcm_lib_ioctl,
@@ -341,7 +341,7 @@ static void imx_pcm_fiq_free(struct snd_pcm *pcm)
 	imx_pcm_free(pcm);
 }
 
-static struct snd_soc_platform_driver imx_soc_platform_fiq = {
+static const struct snd_soc_platform_driver imx_soc_platform_fiq = {
 	.ops		= &imx_pcm_ops,
 	.pcm_new	= imx_pcm_fiq_new,
 	.pcm_free	= imx_pcm_fiq_free,
diff --git a/sound/soc/fsl/mpc5200_dma.c b/sound/soc/fsl/mpc5200_dma.c
index 1f7e70bfbd55..e63029f1aabc 100644
--- a/sound/soc/fsl/mpc5200_dma.c
+++ b/sound/soc/fsl/mpc5200_dma.c
@@ -287,7 +287,7 @@ psc_dma_hw_params(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static struct snd_pcm_ops psc_dma_ops = {
+static const struct snd_pcm_ops psc_dma_ops = {
 	.open		= psc_dma_open,
 	.close		= psc_dma_close,
 	.hw_free	= psc_dma_hw_free,
@@ -356,7 +356,7 @@ static void psc_dma_free(struct snd_pcm *pcm)
 	}
 }
 
-static struct snd_soc_platform_driver mpc5200_audio_dma_platform = {
+static const struct snd_soc_platform_driver mpc5200_audio_dma_platform = {
 	.ops		= &psc_dma_ops,
 	.pcm_new	= &psc_dma_new,
 	.pcm_free	= &psc_dma_free,
diff --git a/sound/soc/mxs/mxs-sgtl5000.c b/sound/soc/mxs/mxs-sgtl5000.c
index a96276e77332..2ed3240cc682 100644
--- a/sound/soc/mxs/mxs-sgtl5000.c
+++ b/sound/soc/mxs/mxs-sgtl5000.c
@@ -140,7 +140,6 @@ static int mxs_sgtl5000_probe(struct platform_device *pdev)
 	}
 
 	card->dev = &pdev->dev;
-	platform_set_drvdata(pdev, card);
 
 	ret = devm_snd_soc_register_card(&pdev->dev, card);
 	if (ret) {
diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index 39ec772912d5..6d3c7706d93f 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -1962,10 +1962,8 @@ static int fsi_probe(struct platform_device *pdev)
 	}
 
 	master = devm_kzalloc(&pdev->dev, sizeof(*master), GFP_KERNEL);
-	if (!master) {
-		dev_err(&pdev->dev, "Could not allocate master\n");
+	if (!master)
 		return -ENOMEM;
-	}
 
 	master->base = devm_ioremap_nocache(&pdev->dev,
 					    res->start, resource_size(res));
@@ -2109,7 +2107,7 @@ static int fsi_resume(struct device *dev)
 	return 0;
 }
 
-static struct dev_pm_ops fsi_pm_ops = {
+static const struct dev_pm_ops fsi_pm_ops = {
 	.suspend		= fsi_suspend,
 	.resume			= fsi_resume,
 };