diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index 584e8d4..6bb1049 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -198,17 +198,6 @@ config DA850_UI_SD_VIDEO_PORT
 
 endchoice
 
-config DA850_WL12XX
-	bool "AM18x wl1271 daughter board"
-	depends on MACH_DAVINCI_DA850_EVM
-	help
-	  The wl1271 daughter card for AM18x EVMs is a combo wireless
-	  connectivity add-on card, based on the LS Research TiWi module with
-	  Texas Instruments' wl1271 solution.
-	  Say Y if you want to use a wl1271 expansion card connected to the
-	  AM18x EVM.
-
-
 config MACH_MITYOMAPL138
 	bool "Critical Link MityDSP-L138/MityARM-1808 SoM"
 	depends on ARCH_DAVINCI_DA850
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index 853b941..1ed545c 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -38,7 +38,6 @@
 #include <linux/regulator/fixed.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/flash.h>
-#include <linux/wl12xx.h>
 
 #include <mach/common.h>
 #include <mach/cp_intc.h>
@@ -60,9 +59,6 @@
 #define DA850_MMCSD_CD_PIN		GPIO_TO_PIN(4, 0)
 #define DA850_MMCSD_WP_PIN		GPIO_TO_PIN(4, 1)
 
-#define DA850_WLAN_EN			GPIO_TO_PIN(6, 9)
-#define DA850_WLAN_IRQ			GPIO_TO_PIN(6, 10)
-
 #define DA850_MII_MDIO_CLKEN_PIN	GPIO_TO_PIN(2, 6)
 
 static struct mtd_partition da850evm_spiflash_part[] = {
@@ -1343,110 +1339,6 @@ static __init void da850_vpif_init(void)
 static __init void da850_vpif_init(void) {}
 #endif
 
-#ifdef CONFIG_DA850_WL12XX
-
-static void wl12xx_set_power(int index, bool power_on)
-{
-	static bool power_state;
-
-	pr_debug("Powering %s wl12xx", power_on ? "on" : "off");
-
-	if (power_on == power_state)
-		return;
-	power_state = power_on;
-
-	if (power_on) {
-		/* Power up sequence required for wl127x devices */
-		gpio_set_value(DA850_WLAN_EN, 1);
-		usleep_range(15000, 15000);
-		gpio_set_value(DA850_WLAN_EN, 0);
-		usleep_range(1000, 1000);
-		gpio_set_value(DA850_WLAN_EN, 1);
-		msleep(70);
-	} else {
-		gpio_set_value(DA850_WLAN_EN, 0);
-	}
-}
-
-static struct davinci_mmc_config da850_wl12xx_mmc_config = {
-	.set_power	= wl12xx_set_power,
-	.wires		= 4,
-	.max_freq	= 25000000,
-	.caps		= MMC_CAP_4_BIT_DATA | MMC_CAP_NONREMOVABLE |
-			  MMC_CAP_POWER_OFF_CARD,
-};
-
-static const short da850_wl12xx_pins[] __initconst = {
-	DA850_MMCSD1_DAT_0, DA850_MMCSD1_DAT_1, DA850_MMCSD1_DAT_2,
-	DA850_MMCSD1_DAT_3, DA850_MMCSD1_CLK, DA850_MMCSD1_CMD,
-	DA850_GPIO6_9, DA850_GPIO6_10,
-	-1
-};
-
-static struct wl12xx_platform_data da850_wl12xx_wlan_data __initdata = {
-	.irq			= -1,
-	.irq_trigger		= IRQ_TYPE_EDGE_RISING,
-	.ref_clock_freq		= 38400000,
-	.ref_clock_xtal		= false,
-};
-
-static __init int da850_wl12xx_init(void)
-{
-	int ret;
-
-	ret = davinci_cfg_reg_list(da850_wl12xx_pins);
-	if (ret) {
-		pr_err("wl12xx/mmc mux setup failed: %d\n", ret);
-		goto exit;
-	}
-
-	ret = da850_register_mmcsd1(&da850_wl12xx_mmc_config);
-	if (ret) {
-		pr_err("wl12xx/mmc registration failed: %d\n", ret);
-		goto exit;
-	}
-
-	ret = gpio_request_one(DA850_WLAN_EN, GPIOF_OUT_INIT_LOW, "wl12xx_en");
-	if (ret) {
-		pr_err("Could not request wl12xx enable gpio: %d\n", ret);
-		goto exit;
-	}
-
-	ret = gpio_request_one(DA850_WLAN_IRQ, GPIOF_IN, "wl12xx_irq");
-	if (ret) {
-		pr_err("Could not request wl12xx irq gpio: %d\n", ret);
-		goto free_wlan_en;
-	}
-
-	da850_wl12xx_wlan_data.irq = gpio_to_irq(DA850_WLAN_IRQ);
-
-	ret = wl12xx_set_platform_data(&da850_wl12xx_wlan_data);
-	if (ret) {
-		pr_err("Could not set wl12xx data: %d\n", ret);
-		goto free_wlan_irq;
-	}
-
-	return 0;
-
-free_wlan_irq:
-	gpio_free(DA850_WLAN_IRQ);
-
-free_wlan_en:
-	gpio_free(DA850_WLAN_EN);
-
-exit:
-	return ret;
-}
-
-#else /* CONFIG_DA850_WL12XX */
-
-static __init int da850_wl12xx_init(void)
-{
-	return 0;
-}
-
-#endif /* CONFIG_DA850_WL12XX */
-
 #define DA850EVM_SATA_REFCLKPN_RATE	(100 * 1000 * 1000)
 
 static __init void da850_evm_init(void)
@@ -1503,11 +1395,6 @@ static __init void da850_evm_init(void)
 		if (ret)
 			pr_warn("%s: MMCSD0 registration failed: %d\n",
 				__func__, ret);
-
-		ret = da850_wl12xx_init();
-		if (ret)
-			pr_warn("%s: WL12xx initialization failed: %d\n",
-				__func__, ret);
 	}
 
 	davinci_serial_init(da8xx_serial_device);
diff --git a/drivers/net/wireless/ti/wilink_platform_data.c b/drivers/net/wireless/ti/wilink_platform_data.c
index a92bd3e..ea0e359 100644
--- a/drivers/net/wireless/ti/wilink_platform_data.c
+++ b/drivers/net/wireless/ti/wilink_platform_data.c
@@ -23,31 +23,6 @@
 #include <linux/err.h>
 #include <linux/wl12xx.h>
 
-static struct wl12xx_platform_data *wl12xx_platform_data;
-
-int __init wl12xx_set_platform_data(const struct wl12xx_platform_data *data)
-{
-	if (wl12xx_platform_data)
-		return -EBUSY;
-	if (!data)
-		return -EINVAL;
-
-	wl12xx_platform_data = kmemdup(data, sizeof(*data), GFP_KERNEL);
-	if (!wl12xx_platform_data)
-		return -ENOMEM;
-
-	return 0;
-}
-
-struct wl12xx_platform_data *wl12xx_get_platform_data(void)
-{
-	if (!wl12xx_platform_data)
-		return ERR_PTR(-ENODEV);
-
-	return wl12xx_platform_data;
-}
-EXPORT_SYMBOL(wl12xx_get_platform_data);
-
 static struct wl1251_platform_data *wl1251_platform_data;
 
 int __init wl1251_set_platform_data(const struct wl1251_platform_data *data)
diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c
index b3f751f..af0fe2e 100644
--- a/drivers/net/wireless/ti/wl12xx/main.c
+++ b/drivers/net/wireless/ti/wl12xx/main.c
@@ -24,8 +24,6 @@
 
 #include <linux/err.h>
 
-#include <linux/wl12xx.h>
-
 #include "../wlcore/wlcore.h"
 #include "../wlcore/debug.h"
 #include "../wlcore/io.h"
@@ -1808,7 +1806,6 @@ static int wl12xx_setup(struct wl1271 *wl)
 {
 	struct wl12xx_priv *priv = wl->priv;
 	struct wlcore_platdev_data *pdev_data = dev_get_platdata(&wl->pdev->dev);
-	struct wl12xx_platform_data *pdata = pdev_data->pdata;
 
 	BUILD_BUG_ON(WL12XX_MAX_LINKS > WLCORE_MAX_LINKS);
 	BUILD_BUG_ON(WL12XX_MAX_AP_STATIONS > WL12XX_MAX_LINKS);
@@ -1834,12 +1831,12 @@ static int wl12xx_setup(struct wl1271 *wl)
 
 	if (!fref_param) {
 		priv->ref_clock = wl12xx_get_clock_idx(wl12xx_refclock_table,
-						       pdata->ref_clock_freq,
-						       pdata->ref_clock_xtal);
+						pdev_data->ref_clock_freq,
+						pdev_data->ref_clock_xtal);
 		if (priv->ref_clock < 0) {
 			wl1271_error("Invalid ref_clock frequency (%d Hz, %s)",
-				     pdata->ref_clock_freq,
-				     pdata->ref_clock_xtal ?
+				     pdev_data->ref_clock_freq,
+				     pdev_data->ref_clock_xtal ?
 				     "XTAL" : "not XTAL");
 
 			return priv->ref_clock;
@@ -1861,13 +1858,13 @@ static int wl12xx_setup(struct wl1271 *wl)
 			wl1271_error("Invalid fref parameter %s", fref_param);
 	}
 
-	if (!tcxo_param && pdata->tcxo_clock_freq) {
+	if (!tcxo_param && pdev_data->tcxo_clock_freq) {
 		priv->tcxo_clock = wl12xx_get_clock_idx(wl12xx_tcxoclock_table,
-							pdata->tcxo_clock_freq,
-							true);
+						pdev_data->tcxo_clock_freq,
+						true);
 		if (priv->tcxo_clock < 0) {
 			wl1271_error("Invalid tcxo_clock frequency (%d Hz)",
-				     pdata->tcxo_clock_freq);
+				     pdev_data->tcxo_clock_freq);
 
 			return priv->tcxo_clock;
 		}
diff --git a/drivers/net/wireless/ti/wlcore/boot.c b/drivers/net/wireless/ti/wlcore/boot.c
index 77752b0..19b7ec7 100644
--- a/drivers/net/wireless/ti/wlcore/boot.c
+++ b/drivers/net/wireless/ti/wlcore/boot.c
@@ -22,7 +22,6 @@
  */
 
 #include <linux/slab.h>
-#include <linux/wl12xx.h>
 #include <linux/export.h>
 
 #include "debug.h"
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index 67518f6..0be8079 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -25,7 +25,6 @@
 #include <linux/firmware.h>
 #include <linux/etherdevice.h>
 #include <linux/vmalloc.h>
-#include <linux/wl12xx.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 
@@ -6390,7 +6389,6 @@ static void wlcore_nvs_cb(const struct firmware *fw, void *context)
 	struct wl1271 *wl = context;
 	struct platform_device *pdev = wl->pdev;
 	struct wlcore_platdev_data *pdev_data = dev_get_platdata(&pdev->dev);
-	struct wl12xx_platform_data *pdata = pdev_data->pdata;
 	struct resource *res;
 
 	int ret;
@@ -6446,7 +6444,7 @@ static void wlcore_nvs_cb(const struct firmware *fw, void *context)
 	if (!ret) {
 		wl->irq_wake_enabled = true;
 		device_init_wakeup(wl->dev, 1);
-		if (pdata->pwr_in_suspend)
+		if (pdev_data->pwr_in_suspend)
 			wl->hw->wiphy->wowlan = &wlcore_wowlan_support;
 	}
 #endif
diff --git a/drivers/net/wireless/ti/wlcore/sdio.c b/drivers/net/wireless/ti/wlcore/sdio.c
index b55dc0e..06ea11d 100644
--- a/drivers/net/wireless/ti/wlcore/sdio.c
+++ b/drivers/net/wireless/ti/wlcore/sdio.c
@@ -31,7 +31,6 @@
 #include <linux/mmc/card.h>
 #include <linux/mmc/host.h>
 #include <linux/gpio.h>
-#include <linux/wl12xx.h>
 #include <linux/pm_runtime.h>
 #include <linux/printk.h>
 #include <linux/of.h>
@@ -231,67 +230,40 @@ static const struct of_device_id wlcore_sdio_of_match_table[] = {
 	{ }
 };
 
-static struct wl12xx_platform_data *wlcore_probe_of(struct device *dev)
+static int wlcore_probe_of(struct device *dev,
+			   struct wlcore_platdev_data *pdev_data)
 {
 	struct device_node *np = dev->of_node;
-	struct wl12xx_platform_data *pdata;
 
 	if (!np || !of_match_node(wlcore_sdio_of_match_table, np))
-		return NULL;
+		return -ENODATA;
 
-	pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
-	if (!pdata)
-		return NULL;
-
-	pdata->irq = irq_of_parse_and_map(np, 0);
-	if (!pdata->irq) {
+	pdev_data->irq = irq_of_parse_and_map(np, 0);
+	if (!pdev_data->irq) {
 		dev_err(dev, "No irq in platform data\n");
-		kfree(pdata);
-		return NULL;
+		kfree(pdev_data);
+		return -EINVAL;
 	}
 
-	pdata->irq_trigger =
-		irqd_get_trigger_type(irq_get_irq_data(pdata->irq));
+	pdev_data->irq_trigger =
+		irqd_get_trigger_type(irq_get_irq_data(pdev_data->irq));
 
 	/* optional clock frequency params */
 	of_property_read_u32(np, "ref-clock-frequency",
-			     &pdata->ref_clock_freq);
+			     &pdev_data->ref_clock_freq);
 	of_property_read_u32(np, "tcxo-clock-frequency",
-			     &pdata->tcxo_clock_freq);
+			     &pdev_data->tcxo_clock_freq);
 
-	return pdata;
+	return 0;
 }
 #else
-static struct wl12xx_platform_data *wlcore_probe_of(struct device *dev)
+static int wlcore_probe_of(struct device *dev,
+			   struct wlcore_platdev_data *pdev_data)
 {
-	return NULL;
+	return -ENODATA;
 }
 #endif
 
-static struct wl12xx_platform_data *
-wlcore_get_platform_data(struct device *dev)
-{
-	struct wl12xx_platform_data *pdata;
-
-	/* first, look for DT data */
-	pdata = wlcore_probe_of(dev);
-	if (pdata)
-		return pdata;
-
-	/* if not found - fallback to static platform data */
-	pdata = wl12xx_get_platform_data();
-	if (!IS_ERR(pdata))
-		return kmemdup(pdata, sizeof(*pdata), GFP_KERNEL);
-
-	dev_err(dev, "No platform data set\n");
-	return NULL;
-}
-
-static void wlcore_del_platform_data(struct wl12xx_platform_data *pdata)
-{
-	kfree(pdata);
-}
-
 static int wl1271_probe(struct sdio_func *func,
 				  const struct sdio_device_id *id)
 {
@@ -323,8 +295,7 @@ static int wl1271_probe(struct sdio_func *func,
 	/* Use block mode for transferring over one block size of data */
 	func->card->quirks |= MMC_QUIRK_BLKSZ_FOR_BYTE_MODE;
 
-	pdev_data.pdata = wlcore_get_platform_data(&func->dev);
-	if (!pdev_data.pdata)
+	if (wlcore_probe_of(&func->dev, &pdev_data))
 		goto out_free_glue;
 
 	/* if sdio can keep power while host is suspended, enable wow */
@@ -332,7 +303,7 @@ static int wl1271_probe(struct sdio_func *func,
 	dev_dbg(glue->dev, "sdio PM caps = 0x%x\n", mmcflags);
 
 	if (mmcflags & MMC_PM_KEEP_POWER)
-		pdev_data.pdata->pwr_in_suspend = true;
+		pdev_data.pwr_in_suspend = true;
 
 	sdio_set_drvdata(func, glue);
 
@@ -354,15 +325,15 @@ static int wl1271_probe(struct sdio_func *func,
 	if (!glue->core) {
 		dev_err(glue->dev, "can't allocate platform_device");
 		ret = -ENOMEM;
-		goto out_free_pdata;
+		goto out_free_glue;
 	}
 
 	glue->core->dev.parent = &func->dev;
 
 	memset(res, 0x00, sizeof(res));
 
-	res[0].start = pdev_data.pdata->irq;
-	res[0].flags = IORESOURCE_IRQ | pdev_data.pdata->irq_trigger;
+	res[0].start = pdev_data.irq;
+	res[0].flags = IORESOURCE_IRQ | pdev_data.irq_trigger;
 	res[0].name = "irq";
 
 	ret = platform_device_add_resources(glue->core, res, ARRAY_SIZE(res));
@@ -388,9 +359,6 @@ static int wl1271_probe(struct sdio_func *func,
 out_dev_put:
 	platform_device_put(glue->core);
 
-out_free_pdata:
-	wlcore_del_platform_data(pdev_data.pdata);
-
 out_free_glue:
 	kfree(glue);
 
@@ -401,14 +369,11 @@ out:
 static void wl1271_remove(struct sdio_func *func)
 {
 	struct wl12xx_sdio_glue *glue = sdio_get_drvdata(func);
-	struct wlcore_platdev_data *pdev_data = glue->core->dev.platform_data;
-	struct wl12xx_platform_data *pdata = pdev_data->pdata;
 
 	/* Undo decrement done above in wl1271_probe */
 	pm_runtime_get_noresume(&func->dev);
 
 	platform_device_unregister(glue->core);
-	wlcore_del_platform_data(pdata);
 	kfree(glue);
 }
 
diff --git a/drivers/net/wireless/ti/wlcore/wlcore_i.h b/drivers/net/wireless/ti/wlcore/wlcore_i.h
index 3396ce5..3833799 100644
--- a/drivers/net/wireless/ti/wlcore/wlcore_i.h
+++ b/drivers/net/wireless/ti/wlcore/wlcore_i.h
@@ -201,8 +201,14 @@ struct wl1271_if_operations {
 };
 
 struct wlcore_platdev_data {
-	struct wl12xx_platform_data *pdata;
 	struct wl1271_if_operations *if_ops;
+
+	int irq;
+	u32 irq_trigger;
+	bool ref_clock_xtal;	/* specify whether the clock is XTAL or not */
+	u32 ref_clock_freq;	/* in Hertz */
+	u32 tcxo_clock_freq;	/* in Hertz, tcxo is always XTAL */
+	bool pwr_in_suspend;
 };
 
 #define MAX_NUM_KEYS 14
diff --git a/include/linux/wl12xx.h b/include/linux/wl12xx.h
index eea1e6d..95704cd 100644
--- a/include/linux/wl12xx.h
+++ b/include/linux/wl12xx.h
@@ -33,21 +33,8 @@ struct wl1251_platform_data {
 	bool use_eeprom;
 };
 
-struct wl12xx_platform_data {
-	int irq;
-	u32 irq_trigger;
-	bool ref_clock_xtal;	/* specify whether the clock is XTAL or not */
-	u32 ref_clock_freq;	/* in Hertz */
-	u32 tcxo_clock_freq;	/* in Hertz, tcxo is always XTAL */
-	bool pwr_in_suspend;
-};
-
 #ifdef CONFIG_WILINK_PLATFORM_DATA
 
-int wl12xx_set_platform_data(const struct wl12xx_platform_data *data);
-
-struct wl12xx_platform_data *wl12xx_get_platform_data(void);
-
 int wl1251_set_platform_data(const struct wl1251_platform_data *data);
 
 struct wl1251_platform_data *wl1251_get_platform_data(void);
@@ -55,18 +42,6 @@ struct wl1251_platform_data *wl1251_get_platform_data(void);
 #else
 
 static inline
-int wl12xx_set_platform_data(const struct wl12xx_platform_data *data)
-{
-	return -ENOSYS;
-}
-
-static inline
-struct wl12xx_platform_data *wl12xx_get_platform_data(void)
-{
-	return ERR_PTR(-ENODATA);
-}
-
-static inline
 int wl1251_set_platform_data(const struct wl1251_platform_data *data)
 {
 	return -ENOSYS;
