diff --git a/drivers/input/keyboard/tegra-kbc.c b/drivers/input/keyboard/tegra-kbc.c
index 4526bdd..d89e7d39 100644
--- a/drivers/input/keyboard/tegra-kbc.c
+++ b/drivers/input/keyboard/tegra-kbc.c
@@ -29,9 +29,16 @@
 #include <linux/of.h>
 #include <linux/clk.h>
 #include <linux/slab.h>
-#include <linux/input/tegra_kbc.h>
+#include <linux/input/matrix_keypad.h>
 #include <mach/clk.h>
 
+#define KBC_MAX_GPIO	24
+#define KBC_MAX_KPENT	8
+
+#define KBC_MAX_ROW	16
+#define KBC_MAX_COL	8
+#define KBC_MAX_KEY	(KBC_MAX_ROW * KBC_MAX_COL)
+
 #define KBC_MAX_DEBOUNCE_CNT	0x3ffu
 
 /* KBC row scan time and delay for beginning the row scan. */
@@ -67,10 +74,27 @@
 
 #define KBC_ROW_SHIFT	3
 
+enum tegra_pin_type {
+	PIN_CFG_IGNORE,
+	PIN_CFG_COL,
+	PIN_CFG_ROW,
+};
+
+struct tegra_kbc_pin_cfg {
+	enum tegra_pin_type type;
+	unsigned char num;
+};
+
 struct tegra_kbc {
+	struct device *dev;
+	unsigned int debounce_cnt;
+	unsigned int repeat_cnt;
+	struct tegra_kbc_pin_cfg pin_cfg[KBC_MAX_GPIO];
+	const struct matrix_keymap_data *keymap_data;
+	bool wakeup;
 	void __iomem *mmio;
 	struct input_dev *idev;
-	unsigned int irq;
+	int irq;
 	spinlock_t lock;
 	unsigned int repoll_dly;
 	unsigned long cp_dly_jiffies;
@@ -78,7 +102,6 @@
 	bool use_fn_map;
 	bool use_ghost_filter;
 	bool keypress_caused_wake;
-	const struct tegra_kbc_platform_data *pdata;
 	unsigned short keycode[KBC_MAX_KEY * 2];
 	unsigned short current_keys[KBC_MAX_KPENT];
 	unsigned int num_pressed_keys;
@@ -286,12 +309,11 @@
 
 static void tegra_kbc_setup_wakekeys(struct tegra_kbc *kbc, bool filter)
 {
-	const struct tegra_kbc_platform_data *pdata = kbc->pdata;
 	int i;
 	unsigned int rst_val;
 
 	/* Either mask all keys or none. */
-	rst_val = (filter && !pdata->wakeup) ? ~0 : 0;
+	rst_val = (filter && !kbc->wakeup) ? ~0 : 0;
 
 	for (i = 0; i < KBC_MAX_ROW; i++)
 		writel(rst_val, kbc->mmio + KBC_ROW0_MASK_0 + i * 4);
@@ -299,7 +321,6 @@
 
 static void tegra_kbc_config_pins(struct tegra_kbc *kbc)
 {
-	const struct tegra_kbc_platform_data *pdata = kbc->pdata;
 	int i;
 
 	for (i = 0; i < KBC_MAX_GPIO; i++) {
@@ -315,13 +336,13 @@
 		row_cfg &= ~r_mask;
 		col_cfg &= ~c_mask;
 
-		switch (pdata->pin_cfg[i].type) {
+		switch (kbc->pin_cfg[i].type) {
 		case PIN_CFG_ROW:
-			row_cfg |= ((pdata->pin_cfg[i].num << 1) | 1) << r_shft;
+			row_cfg |= ((kbc->pin_cfg[i].num << 1) | 1) << r_shft;
 			break;
 
 		case PIN_CFG_COL:
-			col_cfg |= ((pdata->pin_cfg[i].num << 1) | 1) << c_shft;
+			col_cfg |= ((kbc->pin_cfg[i].num << 1) | 1) << c_shft;
 			break;
 
 		case PIN_CFG_IGNORE:
@@ -335,7 +356,6 @@
 
 static int tegra_kbc_start(struct tegra_kbc *kbc)
 {
-	const struct tegra_kbc_platform_data *pdata = kbc->pdata;
 	unsigned int debounce_cnt;
 	u32 val = 0;
 
@@ -350,10 +370,10 @@
 	tegra_kbc_config_pins(kbc);
 	tegra_kbc_setup_wakekeys(kbc, false);
 
-	writel(pdata->repeat_cnt, kbc->mmio + KBC_RPT_DLY_0);
+	writel(kbc->repeat_cnt, kbc->mmio + KBC_RPT_DLY_0);
 
 	/* Keyboard debounce count is maximum of 12 bits. */
-	debounce_cnt = min(pdata->debounce_cnt, KBC_MAX_DEBOUNCE_CNT);
+	debounce_cnt = min(kbc->debounce_cnt, KBC_MAX_DEBOUNCE_CNT);
 	val = KBC_DEBOUNCE_CNT_SHIFT(debounce_cnt);
 	val |= KBC_FIFO_TH_CNT_SHIFT(1); /* set fifo interrupt threshold to 1 */
 	val |= KBC_CONTROL_FIFO_CNT_INT_EN;  /* interrupt on FIFO threshold */
@@ -420,21 +440,20 @@
 	return tegra_kbc_stop(kbc);
 }
 
-static bool
-tegra_kbc_check_pin_cfg(const struct tegra_kbc_platform_data *pdata,
-			struct device *dev, unsigned int *num_rows)
+static bool tegra_kbc_check_pin_cfg(const struct tegra_kbc *kbc,
+					unsigned int *num_rows)
 {
 	int i;
 
 	*num_rows = 0;
 
 	for (i = 0; i < KBC_MAX_GPIO; i++) {
-		const struct tegra_kbc_pin_cfg *pin_cfg = &pdata->pin_cfg[i];
+		const struct tegra_kbc_pin_cfg *pin_cfg = &kbc->pin_cfg[i];
 
 		switch (pin_cfg->type) {
 		case PIN_CFG_ROW:
 			if (pin_cfg->num >= KBC_MAX_ROW) {
-				dev_err(dev,
+				dev_err(kbc->dev,
 					"pin_cfg[%d]: invalid row number %d\n",
 					i, pin_cfg->num);
 				return false;
@@ -444,7 +463,7 @@
 
 		case PIN_CFG_COL:
 			if (pin_cfg->num >= KBC_MAX_COL) {
-				dev_err(dev,
+				dev_err(kbc->dev,
 					"pin_cfg[%d]: invalid column number %d\n",
 					i, pin_cfg->num);
 				return false;
@@ -455,7 +474,7 @@
 			break;
 
 		default:
-			dev_err(dev,
+			dev_err(kbc->dev,
 				"pin_cfg[%d]: invalid entry type %d\n",
 				pin_cfg->type, pin_cfg->num);
 			return false;
@@ -465,12 +484,9 @@
 	return true;
 }
 
-#ifdef CONFIG_OF
-static struct tegra_kbc_platform_data *tegra_kbc_dt_parse_pdata(
-	struct platform_device *pdev)
+static int tegra_kbc_parse_dt(struct tegra_kbc *kbc)
 {
-	struct tegra_kbc_platform_data *pdata;
-	struct device_node *np = pdev->dev.of_node;
+	struct device_node *np = kbc->dev->of_node;
 	u32 prop;
 	int i;
 	u32 num_rows = 0;
@@ -480,109 +496,96 @@
 	int proplen;
 	int ret;
 
-	if (!np) {
-		dev_err(&pdev->dev, "device tree data is missing\n");
-		return ERR_PTR(-ENOENT);
-	}
-
-	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
-	if (!pdata)
-		return ERR_PTR(-ENOMEM);
-
 	if (!of_property_read_u32(np, "nvidia,debounce-delay-ms", &prop))
-		pdata->debounce_cnt = prop;
+		kbc->debounce_cnt = prop;
 
 	if (!of_property_read_u32(np, "nvidia,repeat-delay-ms", &prop))
-		pdata->repeat_cnt = prop;
+		kbc->repeat_cnt = prop;
 
 	if (of_find_property(np, "nvidia,needs-ghost-filter", NULL))
-		pdata->use_ghost_filter = true;
+		kbc->use_ghost_filter = true;
 
 	if (of_find_property(np, "nvidia,wakeup-source", NULL))
-		pdata->wakeup = true;
+		kbc->wakeup = true;
 
 	if (!of_get_property(np, "nvidia,kbc-row-pins", &proplen)) {
-		dev_err(&pdev->dev, "property nvidia,kbc-row-pins not found\n");
-		return ERR_PTR(-ENOENT);
+		dev_err(kbc->dev, "property nvidia,kbc-row-pins not found\n");
+		return -ENOENT;
 	}
 	num_rows = proplen / sizeof(u32);
 
 	if (!of_get_property(np, "nvidia,kbc-col-pins", &proplen)) {
-		dev_err(&pdev->dev, "property nvidia,kbc-col-pins not found\n");
-		return ERR_PTR(-ENOENT);
+		dev_err(kbc->dev, "property nvidia,kbc-col-pins not found\n");
+		return -ENOENT;
 	}
 	num_cols = proplen / sizeof(u32);
 
 	if (!of_get_property(np, "linux,keymap", &proplen)) {
-		dev_err(&pdev->dev, "property linux,keymap not found\n");
-		return ERR_PTR(-ENOENT);
+		dev_err(kbc->dev, "property linux,keymap not found\n");
+		return -ENOENT;
 	}
 
 	if (!num_rows || !num_cols || ((num_rows + num_cols) > KBC_MAX_GPIO)) {
-		dev_err(&pdev->dev,
+		dev_err(kbc->dev,
 			"keypad rows/columns not porperly specified\n");
-		return ERR_PTR(-EINVAL);
+		return -EINVAL;
 	}
 
 	/* Set all pins as non-configured */
 	for (i = 0; i < KBC_MAX_GPIO; i++)
-		pdata->pin_cfg[i].type = PIN_CFG_IGNORE;
+		kbc->pin_cfg[i].type = PIN_CFG_IGNORE;
 
 	ret = of_property_read_u32_array(np, "nvidia,kbc-row-pins",
 				rows_cfg, num_rows);
 	if (ret < 0) {
-		dev_err(&pdev->dev, "Rows configurations are not proper\n");
-		return ERR_PTR(-EINVAL);
+		dev_err(kbc->dev, "Rows configurations are not proper\n");
+		return -EINVAL;
 	}
 
 	ret = of_property_read_u32_array(np, "nvidia,kbc-col-pins",
 				cols_cfg, num_cols);
 	if (ret < 0) {
-		dev_err(&pdev->dev, "Cols configurations are not proper\n");
-		return ERR_PTR(-EINVAL);
+		dev_err(kbc->dev, "Cols configurations are not proper\n");
+		return -EINVAL;
 	}
 
 	for (i = 0; i < num_rows; i++) {
-		pdata->pin_cfg[rows_cfg[i]].type = PIN_CFG_ROW;
-		pdata->pin_cfg[rows_cfg[i]].num = i;
+		kbc->pin_cfg[rows_cfg[i]].type = PIN_CFG_ROW;
+		kbc->pin_cfg[rows_cfg[i]].num = i;
 	}
 
 	for (i = 0; i < num_cols; i++) {
-		pdata->pin_cfg[cols_cfg[i]].type = PIN_CFG_COL;
-		pdata->pin_cfg[cols_cfg[i]].num = i;
+		kbc->pin_cfg[cols_cfg[i]].type = PIN_CFG_COL;
+		kbc->pin_cfg[cols_cfg[i]].num = i;
 	}
 
-	return pdata;
+	return 0;
 }
-#else
-static inline struct tegra_kbc_platform_data *tegra_kbc_dt_parse_pdata(
-	struct platform_device *pdev)
-{
-	dev_err(&pdev->dev, "platform data is missing\n");
-	return ERR_PTR(-EINVAL);
-}
-#endif
 
 static int tegra_kbc_probe(struct platform_device *pdev)
 {
-	const struct tegra_kbc_platform_data *pdata = pdev->dev.platform_data;
 	struct tegra_kbc *kbc;
-	struct input_dev *input_dev;
 	struct resource *res;
-	int irq;
 	int err;
 	int num_rows = 0;
 	unsigned int debounce_cnt;
 	unsigned int scan_time_rows;
 	unsigned int keymap_rows = KBC_MAX_KEY;
 
-	if (!pdata)
-		pdata = tegra_kbc_dt_parse_pdata(pdev);
+	kbc = devm_kzalloc(&pdev->dev, sizeof(*kbc), GFP_KERNEL);
+	if (!kbc) {
+		dev_err(&pdev->dev, "failed to alloc memory for kbc\n");
+		return -ENOMEM;
+	}
 
-	if (IS_ERR(pdata))
-		return PTR_ERR(pdata);
+	kbc->dev = &pdev->dev;
+	spin_lock_init(&kbc->lock);
 
-	if (!tegra_kbc_check_pin_cfg(pdata, &pdev->dev, &num_rows))
+	err = tegra_kbc_parse_dt(kbc);
+	if (err)
+		return err;
+
+	if (!tegra_kbc_check_pin_cfg(kbc, &num_rows))
 		return -EINVAL;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -591,28 +594,18 @@
 		return -ENXIO;
 	}
 
-	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
+	kbc->irq = platform_get_irq(pdev, 0);
+	if (kbc->irq < 0) {
 		dev_err(&pdev->dev, "failed to get keyboard IRQ\n");
 		return -ENXIO;
 	}
 
-	kbc = devm_kzalloc(&pdev->dev, sizeof(*kbc), GFP_KERNEL);
-	if (!kbc) {
-		dev_err(&pdev->dev, "failed to alloc memory for kbc\n");
-		return -ENOMEM;
-	}
-
-	input_dev = devm_input_allocate_device(&pdev->dev);
-	if (!input_dev) {
+	kbc->idev = devm_input_allocate_device(&pdev->dev);
+	if (!kbc->idev) {
 		dev_err(&pdev->dev, "failed to allocate input device\n");
 		return -ENOMEM;
 	}
 
-	kbc->pdata = pdata;
-	kbc->idev = input_dev;
-	kbc->irq = irq;
-	spin_lock_init(&kbc->lock);
 	setup_timer(&kbc->timer, tegra_kbc_keypress_timer, (unsigned long)kbc);
 
 	kbc->mmio = devm_request_and_ioremap(&pdev->dev, res);
@@ -633,36 +626,32 @@
 	 * the rows. There is an additional delay before the row scanning
 	 * starts. The repoll delay is computed in milliseconds.
 	 */
-	debounce_cnt = min(pdata->debounce_cnt, KBC_MAX_DEBOUNCE_CNT);
+	debounce_cnt = min(kbc->debounce_cnt, KBC_MAX_DEBOUNCE_CNT);
 	scan_time_rows = (KBC_ROW_SCAN_TIME + debounce_cnt) * num_rows;
-	kbc->repoll_dly = KBC_ROW_SCAN_DLY + scan_time_rows + pdata->repeat_cnt;
+	kbc->repoll_dly = KBC_ROW_SCAN_DLY + scan_time_rows + kbc->repeat_cnt;
 	kbc->repoll_dly = DIV_ROUND_UP(kbc->repoll_dly, KBC_CYCLE_MS);
 
-	kbc->wakeup_key = pdata->wakeup_key;
-	kbc->use_fn_map = pdata->use_fn_map;
-	kbc->use_ghost_filter = pdata->use_ghost_filter;
+	kbc->idev->name = pdev->name;
+	kbc->idev->id.bustype = BUS_HOST;
+	kbc->idev->dev.parent = &pdev->dev;
+	kbc->idev->open = tegra_kbc_open;
+	kbc->idev->close = tegra_kbc_close;
 
-	input_dev->name = pdev->name;
-	input_dev->id.bustype = BUS_HOST;
-	input_dev->dev.parent = &pdev->dev;
-	input_dev->open = tegra_kbc_open;
-	input_dev->close = tegra_kbc_close;
-
-	if (pdata->keymap_data && pdata->use_fn_map)
+	if (kbc->keymap_data && kbc->use_fn_map)
 		keymap_rows *= 2;
 
-	err = matrix_keypad_build_keymap(pdata->keymap_data, NULL,
+	err = matrix_keypad_build_keymap(kbc->keymap_data, NULL,
 					 keymap_rows, KBC_MAX_COL,
-					 kbc->keycode, input_dev);
+					 kbc->keycode, kbc->idev);
 	if (err) {
 		dev_err(&pdev->dev, "failed to setup keymap\n");
 		return err;
 	}
 
-	__set_bit(EV_REP, input_dev->evbit);
-	input_set_capability(input_dev, EV_MSC, MSC_SCAN);
+	__set_bit(EV_REP, kbc->idev->evbit);
+	input_set_capability(kbc->idev, EV_MSC, MSC_SCAN);
 
-	input_set_drvdata(input_dev, kbc);
+	input_set_drvdata(kbc->idev, kbc);
 
 	err = devm_request_irq(&pdev->dev, kbc->irq, tegra_kbc_isr,
 			  IRQF_NO_SUSPEND | IRQF_TRIGGER_HIGH, pdev->name, kbc);
@@ -680,7 +669,7 @@
 	}
 
 	platform_set_drvdata(pdev, kbc);
-	device_init_wakeup(&pdev->dev, pdata->wakeup);
+	device_init_wakeup(&pdev->dev, kbc->wakeup);
 
 	return 0;
 }