[v3,5/5] ASoC: Use device_get_match_data()

diff --git a/sound/soc/intel/keembay/kmb_platform.c b/sound/soc/intel/keembay/kmb_platform.c
index e929497a5eb5..37ea2e1d2e92 100644
--- a/sound/soc/intel/keembay/kmb_platform.c
+++ b/sound/soc/intel/keembay/kmb_platform.c
@@ -11,7 +11,6 @@ 
 #include <linux/io.h>
 #include <linux/module.h>
 #include <linux/of.h>
-#include <linux/of_device.h>
 #include <sound/dmaengine_pcm.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
@@ -820,7 +819,6 @@  static int kmb_plat_dai_probe(struct platform_device *pdev)
 {
 	struct device_node *np = pdev->dev.of_node;
 	struct snd_soc_dai_driver *kmb_i2s_dai;
-	const struct of_device_id *match;
 	struct device *dev = &pdev->dev;
 	struct kmb_i2s_info *kmb_i2s;
 	struct resource *res;
@@ -831,16 +829,7 @@  static int kmb_plat_dai_probe(struct platform_device *pdev)
 	if (!kmb_i2s)
 		return -ENOMEM;
 
-	kmb_i2s_dai = devm_kzalloc(dev, sizeof(*kmb_i2s_dai), GFP_KERNEL);
-	if (!kmb_i2s_dai)
-		return -ENOMEM;
-
-	match = of_match_device(kmb_plat_of_match, &pdev->dev);
-	if (!match) {
-		dev_err(&pdev->dev, "Error: No device match found\n");
-		return -ENODEV;
-	}
-	kmb_i2s_dai = (struct snd_soc_dai_driver *) match->data;
+	kmb_i2s_dai = (struct snd_soc_dai_driver *)device_get_match_data(&pdev->dev);
 
 	/* Prepare the related clocks */
 	kmb_i2s->clk_apb = devm_clk_get(dev, "apb_clk");
diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c
index 18aff2654f89..ac0feb89b458 100644
--- a/sound/soc/qcom/lpass-cpu.c
+++ b/sound/soc/qcom/lpass-cpu.c
@@ -9,7 +9,6 @@ 
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/of.h>
-#include <linux/of_device.h>
 #include <linux/platform_device.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
@@ -1106,7 +1105,6 @@  int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev)
 	struct resource *res;
 	const struct lpass_variant *variant;
 	struct device *dev = &pdev->dev;
-	const struct of_device_id *match;
 	int ret, i, dai_id;
 
 	dsp_of_node = of_parse_phandle(pdev->dev.of_node, "qcom,adsp", 0);
@@ -1121,17 +1119,14 @@  int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	platform_set_drvdata(pdev, drvdata);
 
-	match = of_match_device(dev->driver->of_match_table, dev);
-	if (!match || !match->data)
+	variant = device_get_match_data(dev);
+	if (!variant)
 		return -EINVAL;
 
-	if (of_device_is_compatible(dev->of_node, "qcom,lpass-cpu-apq8016")) {
-		dev_warn(dev, "%s compatible is deprecated\n",
-			 match->compatible);
-	}
+	if (of_device_is_compatible(dev->of_node, "qcom,lpass-cpu-apq8016"))
+		dev_warn(dev, "qcom,lpass-cpu-apq8016 compatible is deprecated\n");
 
-	drvdata->variant = (struct lpass_variant *)match->data;
-	variant = drvdata->variant;
+	drvdata->variant = variant;
 
 	of_lpass_cpu_parse_dai_data(dev, drvdata);
 
diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c
index 74e7d6ee0f28..b0c3ef030e06 100644
--- a/sound/soc/rockchip/rockchip_i2s.c
+++ b/sound/soc/rockchip/rockchip_i2s.c
@@ -10,8 +10,8 @@ 
 #include <linux/module.h>
 #include <linux/mfd/syscon.h>
 #include <linux/delay.h>
+#include <linux/of.h>
 #include <linux/of_gpio.h>
-#include <linux/of_device.h>
 #include <linux/clk.h>
 #include <linux/pinctrl/consumer.h>
 #include <linux/pm_runtime.h>
@@ -736,7 +736,6 @@  static int rockchip_i2s_init_dai(struct rk_i2s_dev *i2s, struct resource *res,
 static int rockchip_i2s_probe(struct platform_device *pdev)
 {
 	struct device_node *node = pdev->dev.of_node;
-	const struct of_device_id *of_id;
 	struct rk_i2s_dev *i2s;
 	struct snd_soc_dai_driver *dai;
 	struct resource *res;
@@ -752,11 +751,10 @@  static int rockchip_i2s_probe(struct platform_device *pdev)
 
 	i2s->grf = syscon_regmap_lookup_by_phandle(node, "rockchip,grf");
 	if (!IS_ERR(i2s->grf)) {
-		of_id = of_match_device(rockchip_i2s_match, &pdev->dev);
-		if (!of_id || !of_id->data)
+		i2s->pins = device_get_match_data(&pdev->dev);
+		if (!i2s->pins)
 			return -EINVAL;
 
-		i2s->pins = of_id->data;
 	}
 
 	/* try to prepare related clocks */
diff --git a/sound/soc/rockchip/rockchip_i2s_tdm.c b/sound/soc/rockchip/rockchip_i2s_tdm.c
index d3700f3c98e6..7e996550d1df 100644
--- a/sound/soc/rockchip/rockchip_i2s_tdm.c
+++ b/sound/soc/rockchip/rockchip_i2s_tdm.c
@@ -10,9 +10,7 @@ 
 #include <linux/delay.h>
 #include <linux/mfd/syscon.h>
 #include <linux/module.h>
-#include <linux/of_address.h>
-#include <linux/of_device.h>
-#include <linux/of_gpio.h>
+#include <linux/of.h>
 #include <linux/pm_runtime.h>
 #include <linux/regmap.h>
 #include <linux/reset.h>
@@ -75,7 +73,7 @@  struct rk_i2s_tdm_dev {
 	struct snd_dmaengine_dai_dma_data playback_dma_data;
 	struct reset_control *tx_reset;
 	struct reset_control *rx_reset;
-	struct rk_i2s_soc_data *soc_data;
+	const struct rk_i2s_soc_data *soc_data;
 	bool is_master_mode;
 	bool io_multiplex;
 	bool mclk_calibrate;
@@ -1277,21 +1275,21 @@  static const struct txrx_config rv1126_txrx_config[] = {
 	{ 0xff800000, 0x10260, RV1126_I2S0_CLK_TXONLY, RV1126_I2S0_CLK_RXONLY },
 };
 
-static struct rk_i2s_soc_data px30_i2s_soc_data = {
+static const struct rk_i2s_soc_data px30_i2s_soc_data = {
 	.softrst_offset = 0x0300,
 	.configs = px30_txrx_config,
 	.config_count = ARRAY_SIZE(px30_txrx_config),
 	.init = common_soc_init,
 };
 
-static struct rk_i2s_soc_data rk1808_i2s_soc_data = {
+static const struct rk_i2s_soc_data rk1808_i2s_soc_data = {
 	.softrst_offset = 0x0300,
 	.configs = rk1808_txrx_config,
 	.config_count = ARRAY_SIZE(rk1808_txrx_config),
 	.init = common_soc_init,
 };
 
-static struct rk_i2s_soc_data rk3308_i2s_soc_data = {
+static const struct rk_i2s_soc_data rk3308_i2s_soc_data = {
 	.softrst_offset = 0x0400,
 	.grf_reg_offset = 0x0308,
 	.grf_shift = 5,
@@ -1300,14 +1298,14 @@  static struct rk_i2s_soc_data rk3308_i2s_soc_data = {
 	.init = common_soc_init,
 };
 
-static struct rk_i2s_soc_data rk3568_i2s_soc_data = {
+static const struct rk_i2s_soc_data rk3568_i2s_soc_data = {
 	.softrst_offset = 0x0400,
 	.configs = rk3568_txrx_config,
 	.config_count = ARRAY_SIZE(rk3568_txrx_config),
 	.init = common_soc_init,
 };
 
-static struct rk_i2s_soc_data rv1126_i2s_soc_data = {
+static const struct rk_i2s_soc_data rv1126_i2s_soc_data = {
 	.softrst_offset = 0x0300,
 	.configs = rv1126_txrx_config,
 	.config_count = ARRAY_SIZE(rv1126_txrx_config),
@@ -1544,7 +1542,6 @@  static int rockchip_i2s_tdm_rx_path_prepare(struct rk_i2s_tdm_dev *i2s_tdm,
 static int rockchip_i2s_tdm_probe(struct platform_device *pdev)
 {
 	struct device_node *node = pdev->dev.of_node;
-	const struct of_device_id *of_id;
 	struct rk_i2s_tdm_dev *i2s_tdm;
 	struct resource *res;
 	void __iomem *regs;
@@ -1556,13 +1553,8 @@  static int rockchip_i2s_tdm_probe(struct platform_device *pdev)
 
 	i2s_tdm->dev = &pdev->dev;
 
-	of_id = of_match_device(rockchip_i2s_tdm_match, &pdev->dev);
-	if (!of_id)
-		return -EINVAL;
-
 	spin_lock_init(&i2s_tdm->lock);
-	i2s_tdm->soc_data = (struct rk_i2s_soc_data *)of_id->data;
-
+	i2s_tdm->soc_data = device_get_match_data(&pdev->dev);
 	i2s_tdm->frame_width = 64;
 
 	i2s_tdm->clk_trcm = TRCM_TXRX;
diff --git a/sound/soc/rockchip/rockchip_pdm.c b/sound/soc/rockchip/rockchip_pdm.c
index 4756cfc23218..d16a4a67a6a2 100644
--- a/sound/soc/rockchip/rockchip_pdm.c
+++ b/sound/soc/rockchip/rockchip_pdm.c
@@ -8,7 +8,6 @@ 
 #include <linux/module.h>
 #include <linux/clk.h>
 #include <linux/of.h>
-#include <linux/of_device.h>
 #include <linux/pm_runtime.h>
 #include <linux/rational.h>
 #include <linux/regmap.h>
@@ -572,7 +571,6 @@  static int rockchip_pdm_path_parse(struct rk_pdm_dev *pdm, struct device_node *n
 static int rockchip_pdm_probe(struct platform_device *pdev)
 {
 	struct device_node *node = pdev->dev.of_node;
-	const struct of_device_id *match;
 	struct rk_pdm_dev *pdm;
 	struct resource *res;
 	void __iomem *regs;
@@ -582,10 +580,7 @@  static int rockchip_pdm_probe(struct platform_device *pdev)
 	if (!pdm)
 		return -ENOMEM;
 
-	match = of_match_device(rockchip_pdm_match, &pdev->dev);
-	if (match)
-		pdm->version = (uintptr_t)match->data;
-
+	pdm->version = (enum rk_pdm_version)device_get_match_data(&pdev->dev);
 	if (pdm->version == RK_PDM_RK3308) {
 		pdm->reset = devm_reset_control_get(&pdev->dev, "pdm-m");
 		if (IS_ERR(pdm->reset))
diff --git a/sound/soc/samsung/smdk_wm8994.c b/sound/soc/samsung/smdk_wm8994.c
index 13fb1bd7f4c9..def92cc09f9c 100644
--- a/sound/soc/samsung/smdk_wm8994.c
+++ b/sound/soc/samsung/smdk_wm8994.c
@@ -5,7 +5,6 @@ 
 #include <sound/soc.h>
 #include <linux/module.h>
 #include <linux/of.h>
-#include <linux/of_device.h>
 
  /*
   * Default CFG switch settings to use this driver:
@@ -32,15 +31,6 @@ 
 /* SMDK has a 16.934MHZ crystal attached to WM8994 */
 #define SMDK_WM8994_FREQ 16934000
 
-struct smdk_wm8994_data {
-	int mclk1_rate;
-};
-
-/* Default SMDKs */
-static struct smdk_wm8994_data smdk_board_data = {
-	.mclk1_rate = SMDK_WM8994_FREQ,
-};
-
 static int smdk_hw_params(struct snd_pcm_substream *substream,
 	struct snd_pcm_hw_params *params)
 {
@@ -136,8 +126,8 @@  static struct snd_soc_card smdk = {
 	.num_links = ARRAY_SIZE(smdk_dai),
 };
 
-static const struct of_device_id samsung_wm8994_of_match[] __maybe_unused = {
-	{ .compatible = "samsung,smdk-wm8994", .data = &smdk_board_data },
+static const struct of_device_id samsung_wm8994_of_match[] = {
+	{ .compatible = "samsung,smdk-wm8994" },
 	{},
 };
 MODULE_DEVICE_TABLE(of, samsung_wm8994_of_match);
@@ -147,15 +137,9 @@  static int smdk_audio_probe(struct platform_device *pdev)
 	int ret;
 	struct device_node *np = pdev->dev.of_node;
 	struct snd_soc_card *card = &smdk;
-	struct smdk_wm8994_data *board;
-	const struct of_device_id *id;
 
 	card->dev = &pdev->dev;
 
-	board = devm_kzalloc(&pdev->dev, sizeof(*board), GFP_KERNEL);
-	if (!board)
-		return -ENOMEM;
-
 	if (np) {
 		smdk_dai[0].cpus->dai_name = NULL;
 		smdk_dai[0].cpus->of_node = of_parse_phandle(np,
@@ -171,12 +155,6 @@  static int smdk_audio_probe(struct platform_device *pdev)
 		smdk_dai[0].platforms->of_node = smdk_dai[0].cpus->of_node;
 	}
 
-	id = of_match_device(samsung_wm8994_of_match, &pdev->dev);
-	if (id)
-		*board = *((struct smdk_wm8994_data *)id->data);
-
-	platform_set_drvdata(pdev, board);
-
 	ret = devm_snd_soc_register_card(&pdev->dev, card);
 
 	if (ret)
@@ -188,7 +166,7 @@  static int smdk_audio_probe(struct platform_device *pdev)
 static struct platform_driver smdk_audio_driver = {
 	.driver		= {
 		.name	= "smdk-audio-wm8994",
-		.of_match_table = of_match_ptr(samsung_wm8994_of_match),
+		.of_match_table = samsung_wm8994_of_match,
 		.pm	= &snd_soc_pm_ops,
 	},
 	.probe		= smdk_audio_probe,
diff --git a/sound/soc/stm/stm32_i2s.c b/sound/soc/stm/stm32_i2s.c
index 06a42130f5e4..46098e111142 100644
--- a/sound/soc/stm/stm32_i2s.c
+++ b/sound/soc/stm/stm32_i2s.c
@@ -1024,7 +1024,6 @@  static int stm32_i2s_parse_dt(struct platform_device *pdev,
 			      struct stm32_i2s_data *i2s)
 {
 	struct device_node *np = pdev->dev.of_node;
-	const struct of_device_id *of_id;
 	struct reset_control *rst;
 	struct resource *res;
 	int irq, ret;
@@ -1032,10 +1031,8 @@  static int stm32_i2s_parse_dt(struct platform_device *pdev,
 	if (!np)
 		return -ENODEV;
 
-	of_id = of_match_device(stm32_i2s_ids, &pdev->dev);
-	if (of_id)
-		i2s->regmap_conf = (const struct regmap_config *)of_id->data;
-	else
+	i2s->regmap_conf = device_get_match_data(&pdev->dev);
+	if (!i2s->regmap_conf)
 		return -EINVAL;
 
 	i2s->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
diff --git a/sound/soc/stm/stm32_sai.c b/sound/soc/stm/stm32_sai.c
index 8e21e6f886fc..b45ee7e24f22 100644
--- a/sound/soc/stm/stm32_sai.c
+++ b/sound/soc/stm/stm32_sai.c
@@ -151,8 +151,8 @@  static int stm32_sai_set_sync(struct stm32_sai_data *sai_client,
 static int stm32_sai_probe(struct platform_device *pdev)
 {
 	struct stm32_sai_data *sai;
+	const struct stm32_sai_conf *conf;
 	struct reset_control *rst;
-	const struct of_device_id *of_id;
 	u32 val;
 	int ret;
 
@@ -164,9 +164,9 @@  static int stm32_sai_probe(struct platform_device *pdev)
 	if (IS_ERR(sai->base))
 		return PTR_ERR(sai->base);
 
-	of_id = of_match_device(stm32_sai_ids, &pdev->dev);
-	if (of_id)
-		memcpy(&sai->conf, (const struct stm32_sai_conf *)of_id->data,
+	conf = device_get_match_data(&pdev->dev);
+	if (conf)
+		memcpy(&sai->conf, (const struct stm32_sai_conf *)conf,
 		       sizeof(struct stm32_sai_conf));
 	else
 		return -EINVAL;
diff --git a/sound/soc/stm/stm32_sai_sub.c b/sound/soc/stm/stm32_sai_sub.c
index 8bcb98d9b64e..ad2492efb1cd 100644
--- a/sound/soc/stm/stm32_sai_sub.c
+++ b/sound/soc/stm/stm32_sai_sub.c
@@ -1506,7 +1506,6 @@  static int stm32_sai_sub_parse_of(struct platform_device *pdev,
 static int stm32_sai_sub_probe(struct platform_device *pdev)
 {
 	struct stm32_sai_sub_data *sai;
-	const struct of_device_id *of_id;
 	const struct snd_dmaengine_pcm_config *conf = &stm32_sai_pcm_config;
 	int ret;
 
@@ -1514,10 +1513,7 @@  static int stm32_sai_sub_probe(struct platform_device *pdev)
 	if (!sai)
 		return -ENOMEM;
 
-	of_id = of_match_device(stm32_sai_sub_ids, &pdev->dev);
-	if (!of_id)
-		return -EINVAL;
-	sai->id = (uintptr_t)of_id->data;
+	sai->id = (uintptr_t)device_get_match_data(&pdev->dev);
 
 	sai->pdev = pdev;
 	mutex_init(&sai->ctrl_lock);
diff --git a/sound/soc/stm/stm32_spdifrx.c b/sound/soc/stm/stm32_spdifrx.c
index a359b528b26b..9eed3c57e3f1 100644
--- a/sound/soc/stm/stm32_spdifrx.c
+++ b/sound/soc/stm/stm32_spdifrx.c
@@ -908,17 +908,13 @@  static int stm32_spdifrx_parse_of(struct platform_device *pdev,
 				  struct stm32_spdifrx_data *spdifrx)
 {
 	struct device_node *np = pdev->dev.of_node;
-	const struct of_device_id *of_id;
 	struct resource *res;
 
 	if (!np)
 		return -ENODEV;
 
-	of_id = of_match_device(stm32_spdifrx_ids, &pdev->dev);
-	if (of_id)
-		spdifrx->regmap_conf =
-			(const struct regmap_config *)of_id->data;
-	else
+	spdifrx->regmap_conf = device_get_match_data(&pdev->dev);
+	if (!spdifrx->regmap_conf)
 		return -EINVAL;
 
 	spdifrx->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
diff --git a/sound/soc/tegra/tegra210_amx.c b/sound/soc/tegra/tegra210_amx.c
index 179876949b30..dd1a2c77c6ea 100644
--- a/sound/soc/tegra/tegra210_amx.c
+++ b/sound/soc/tegra/tegra210_amx.c
@@ -7,9 +7,8 @@ 
 #include <linux/clk.h>
 #include <linux/device.h>
 #include <linux/io.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
 #include <linux/regmap.h>
@@ -536,18 +535,13 @@  static int tegra210_amx_platform_probe(struct platform_device *pdev)
 	struct tegra210_amx *amx;
 	void __iomem *regs;
 	int err;
-	const struct of_device_id *match;
 	struct tegra210_amx_soc_data *soc_data;
 
-	match = of_match_device(tegra210_amx_of_match, dev);
-
-	soc_data = (struct tegra210_amx_soc_data *)match->data;
-
 	amx = devm_kzalloc(dev, sizeof(*amx), GFP_KERNEL);
 	if (!amx)
 		return -ENOMEM;
 
-	amx->soc_data = soc_data;
+	amx->soc_data = device_get_match_data(dev);
 
 	dev_set_drvdata(dev, amx);
 
diff --git a/sound/soc/ti/davinci-evm.c b/sound/soc/ti/davinci-evm.c
index ae7fdd761a7a..1bf333d2740d 100644
--- a/sound/soc/ti/davinci-evm.c
+++ b/sound/soc/ti/davinci-evm.c
@@ -175,20 +175,17 @@  static struct snd_soc_card evm_soc_card = {
 static int davinci_evm_probe(struct platform_device *pdev)
 {
 	struct device_node *np = pdev->dev.of_node;
-	const struct of_device_id *match;
 	struct snd_soc_dai_link *dai;
 	struct snd_soc_card_drvdata_davinci *drvdata = NULL;
 	struct clk *mclk;
 	int ret = 0;
 
-	match = of_match_device(of_match_ptr(davinci_evm_dt_ids), &pdev->dev);
-	if (!match) {
+	dai = (struct snd_soc_dai_link *) device_get_match_data(&pdev->dev);
+	if (!dai) {
 		dev_err(&pdev->dev, "Error: No device match found\n");
 		return -ENODEV;
 	}
 
-	dai = (struct snd_soc_dai_link *) match->data;
-
 	evm_soc_card.dai_link = dai;
 
 	dai->codecs->of_node = of_parse_phandle(np, "ti,audio-codec", 0);
diff --git a/sound/soc/ti/davinci-mcasp.c b/sound/soc/ti/davinci-mcasp.c
index 7e7d665a5504..b892d66f7847 100644
--- a/sound/soc/ti/davinci-mcasp.c
+++ b/sound/soc/ti/davinci-mcasp.c
@@ -21,8 +21,6 @@ 
 #include <linux/clk.h>
 #include <linux/pm_runtime.h>
 #include <linux/of.h>
-#include <linux/of_platform.h>
-#include <linux/of_device.h>
 #include <linux/platform_data/davinci_asp.h>
 #include <linux/math64.h>
 #include <linux/bitmap.h>
@@ -1882,9 +1880,10 @@  static bool davinci_mcasp_have_gpiochip(struct davinci_mcasp *mcasp)
 static int davinci_mcasp_get_config(struct davinci_mcasp *mcasp,
 				    struct platform_device *pdev)
 {
-	const struct of_device_id *match = of_match_device(mcasp_dt_ids, &pdev->dev);
 	struct device_node *np = pdev->dev.of_node;
 	struct davinci_mcasp_pdata *pdata = NULL;
+	const struct davinci_mcasp_pdata *match_pdata =
+		device_get_match_data(&pdev->dev);
 	const u32 *of_serial_dir32;
 	u32 val;
 	int i;
@@ -1893,8 +1892,8 @@  static int davinci_mcasp_get_config(struct davinci_mcasp *mcasp,
 		pdata = pdev->dev.platform_data;
 		pdata->dismod = DISMOD_LOW;
 		goto out;
-	} else if (match) {
-		pdata = devm_kmemdup(&pdev->dev, match->data, sizeof(*pdata),
+	} else if (match_pdata) {
+		pdata = devm_kmemdup(&pdev->dev, match_pdata, sizeof(*pdata),
 				     GFP_KERNEL);
 		if (!pdata)
 			return -ENOMEM;
diff --git a/sound/soc/ti/omap-mcbsp.c b/sound/soc/ti/omap-mcbsp.c
index bfe51221f541..7643a54592f5 100644
--- a/sound/soc/ti/omap-mcbsp.c
+++ b/sound/soc/ti/omap-mcbsp.c
@@ -13,7 +13,6 @@ 
 #include <linux/device.h>
 #include <linux/pm_runtime.h>
 #include <linux/of.h>
-#include <linux/of_device.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
@@ -1360,23 +1359,22 @@  MODULE_DEVICE_TABLE(of, omap_mcbsp_of_match);
 static int asoc_mcbsp_probe(struct platform_device *pdev)
 {
 	struct omap_mcbsp_platform_data *pdata = dev_get_platdata(&pdev->dev);
+	const struct omap_mcbsp_platform_data *match_pdata =
+		device_get_match_data(&pdev->dev);
 	struct omap_mcbsp *mcbsp;
-	const struct of_device_id *match;
 	int ret;
 
-	match = of_match_device(omap_mcbsp_of_match, &pdev->dev);
-	if (match) {
+	if (match_pdata) {
 		struct device_node *node = pdev->dev.of_node;
 		struct omap_mcbsp_platform_data *pdata_quirk = pdata;
 		int buffer_size;
 
-		pdata = devm_kzalloc(&pdev->dev,
+		pdata = devm_kmemdup(&pdev->dev, match_pdata,
 				     sizeof(struct omap_mcbsp_platform_data),
 				     GFP_KERNEL);
 		if (!pdata)
 			return -ENOMEM;
 
-		memcpy(pdata, match->data, sizeof(*pdata));
 		if (!of_property_read_u32(node, "ti,buffer-size", &buffer_size))
 			pdata->buffer_size = buffer_size;
 		if (pdata_quirk)