4 files changed, 74 insertions, 17 deletions

diff --git a/drivers/input/touchscreen/cy8ctmg110_ts.c b/drivers/input/touchscreen/cy8ctmg110_ts.c
index 464f1bf..ad6a664 100644
--- a/drivers/input/touchscreen/cy8ctmg110_ts.c
+++ b/drivers/input/touchscreen/cy8ctmg110_ts.c
@@ -99,9 +99,18 @@ static int cy8ctmg110_read_regs(struct cy8ctmg110 *tsc,
 	int ret;
 	struct i2c_msg msg[2] = {
 		/* first write slave position to i2c devices */
-		{ client->addr, 0, 1, &cmd },
+		{
+			.addr = client->addr,
+			.len = 1,
+			.buf = &cmd
+		},
 		/* Second read data from position */
-		{ client->addr, I2C_M_RD, len, data }
+		{
+			.addr = client->addr,
+			.flags = I2C_M_RD,
+			.len = len,
+			.buf = data
+		}
 	};
 
 	ret = i2c_transfer(client->adapter, msg, 2);
diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
index 099d144a..d9c6007 100644
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c
@@ -491,14 +491,6 @@ static int edt_ft5x06_debugfs_mode_set(void *data, u64 mode)
 DEFINE_SIMPLE_ATTRIBUTE(debugfs_mode_fops, edt_ft5x06_debugfs_mode_get,
 			edt_ft5x06_debugfs_mode_set, "%llu\n");
 
-static int edt_ft5x06_debugfs_raw_data_open(struct inode *inode,
-					    struct file *file)
-{
-	file->private_data = inode->i_private;
-
-	return 0;
-}
-
 static ssize_t edt_ft5x06_debugfs_raw_data_read(struct file *file,
 				char __user *buf, size_t count, loff_t *off)
 {
@@ -579,7 +571,7 @@ out:
 
 
 static const struct file_operations debugfs_raw_data_fops = {
-	.open = edt_ft5x06_debugfs_raw_data_open,
+	.open = simple_open,
 	.read = edt_ft5x06_debugfs_raw_data_read,
 };
 
diff --git a/drivers/input/touchscreen/mms114.c b/drivers/input/touchscreen/mms114.c
index 560cf09..3426d2e1 100644
--- a/drivers/input/touchscreen/mms114.c
+++ b/drivers/input/touchscreen/mms114.c
@@ -10,6 +10,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/delay.h>
+#include <linux/of.h>
 #include <linux/i2c.h>
 #include <linux/i2c/mms114.h>
 #include <linux/input/mt.h>
@@ -360,14 +361,63 @@ static void mms114_input_close(struct input_dev *dev)
 	mms114_stop(data);
 }
 
+#ifdef CONFIG_OF
+static struct mms114_platform_data * __devinit mms114_parse_dt(struct device *dev)
+{
+	struct mms114_platform_data *pdata;
+	struct device_node *np = dev->of_node;
+
+	if (!np)
+		return NULL;
+
+	pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
+	if (!pdata) {
+		dev_err(dev, "failed to allocate platform data\n");
+		return NULL;
+	}
+
+	if (of_property_read_u32(np, "x-size", &pdata->x_size)) {
+		dev_err(dev, "failed to get x-size property\n");
+		return NULL;
+	};
+
+	if (of_property_read_u32(np, "y-size", &pdata->y_size)) {
+		dev_err(dev, "failed to get y-size property\n");
+		return NULL;
+	};
+
+	of_property_read_u32(np, "contact-threshold",
+				&pdata->contact_threshold);
+	of_property_read_u32(np, "moving-threshold",
+				&pdata->moving_threshold);
+
+	if (of_find_property(np, "x-invert", NULL))
+		pdata->x_invert = true;
+	if (of_find_property(np, "y-invert", NULL))
+		pdata->y_invert = true;
+
+	return pdata;
+}
+#else
+static inline struct mms114_platform_data *mms114_parse_dt(struct device *dev)
+{
+	return NULL;
+}
+#endif
+
 static int __devinit mms114_probe(struct i2c_client *client,
 				  const struct i2c_device_id *id)
 {
+	const struct mms114_platform_data *pdata;
 	struct mms114_data *data;
 	struct input_dev *input_dev;
 	int error;
 
-	if (!client->dev.platform_data) {
+	pdata = dev_get_platdata(&client->dev);
+	if (!pdata)
+		pdata = mms114_parse_dt(&client->dev);
+
+	if (!pdata) {
 		dev_err(&client->dev, "Need platform data\n");
 		return -EINVAL;
 	}
@@ -389,7 +439,7 @@ static int __devinit mms114_probe(struct i2c_client *client,
 
 	data->client = client;
 	data->input_dev = input_dev;
-	data->pdata = client->dev.platform_data;
+	data->pdata = pdata;
 
 	input_dev->name = "MELPAS MMS114 Touchscreen";
 	input_dev->id.bustype = BUS_I2C;
@@ -525,11 +575,19 @@ static const struct i2c_device_id mms114_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, mms114_id);
 
+#ifdef CONFIG_OF
+static struct of_device_id __devinitdata mms114_dt_match[] = {
+	{ .compatible = "melfas,mms114" },
+	{ }
+};
+#endif
+
 static struct i2c_driver mms114_driver = {
 	.driver = {
 		.name	= "mms114",
 		.owner	= THIS_MODULE,
 		.pm	= &mms114_pm_ops,
+		.of_match_table = of_match_ptr(mms114_dt_match),
 	},
 	.probe		= mms114_probe,
 	.remove		= __devexit_p(mms114_remove),
diff --git a/drivers/input/touchscreen/wm831x-ts.c b/drivers/input/touchscreen/wm831x-ts.c
index 52abb98..c7eee56 100644
--- a/drivers/input/touchscreen/wm831x-ts.c
+++ b/drivers/input/touchscreen/wm831x-ts.c
@@ -245,7 +245,8 @@ static __devinit int wm831x_ts_probe(struct platform_device *pdev)
 	if (core_pdata)
 		pdata = core_pdata->touch;
 
-	wm831x_ts = kzalloc(sizeof(struct wm831x_ts), GFP_KERNEL);
+	wm831x_ts = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_ts),
+				 GFP_KERNEL);
 	input_dev = input_allocate_device();
 	if (!wm831x_ts || !input_dev) {
 		error = -ENOMEM;
@@ -376,7 +377,6 @@ err_data_irq:
 	free_irq(wm831x_ts->data_irq, wm831x_ts);
 err_alloc:
 	input_free_device(input_dev);
-	kfree(wm831x_ts);
 
 	return error;
 }
@@ -388,9 +388,7 @@ static __devexit int wm831x_ts_remove(struct platform_device *pdev)
 	free_irq(wm831x_ts->pd_irq, wm831x_ts);
 	free_irq(wm831x_ts->data_irq, wm831x_ts);
 	input_unregister_device(wm831x_ts->input_dev);
-	kfree(wm831x_ts);
 
-	platform_set_drvdata(pdev, NULL);
 	return 0;
 }