Input: edt-ft5x06 - remove support for platform data

We do not have any users of platform data in the tree and all newer
platforms are either DT or ACPI, so let's drop handling of platform data.
Tested-by: NFranklin S Cooper Jr <fcooper@ti.com>
Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/touchscreen/edt-ft5x06.c

@@ -37,7 +37,6 @@
 #include <linux/gpio/consumer.h>
 #include <linux/input/mt.h>
 #include <linux/input/touchscreen.h>
-#include <linux/input/edt-ft5x06.h>
 
 #define MAX_SUPPORT_POINTS		5
 
@@ -809,21 +808,14 @@ static int edt_ft5x06_ts_identify(struct i2c_client *client,
 	return 0;
 }
 
-#define EDT_ATTR_CHECKSET(name, reg) \
-do {								\
-	if (pdata->name >= edt_ft5x06_attr_##name.limit_low &&		\
-	    pdata->name <= edt_ft5x06_attr_##name.limit_high)		\
-		edt_ft5x06_register_write(tsdata, reg, pdata->name);	\
-} while (0)
-
 #define EDT_GET_PROP(name, reg) {				\
 	u32 val;						\
 	if (of_property_read_u32(np, #name, &val) == 0)		\
 		edt_ft5x06_register_write(tsdata, reg, val);	\
 }
 
-static void edt_ft5x06_ts_get_dt_defaults(struct device_node *np,
-					struct edt_ft5x06_ts_data *tsdata)
+static void edt_ft5x06_ts_get_defaults(struct device_node *np,
+				       struct edt_ft5x06_ts_data *tsdata)
 {
 	struct edt_reg_addr *reg_addr = &tsdata->reg_addr;
 
@@ -832,23 +824,6 @@ static void edt_ft5x06_ts_get_dt_defaults(struct device_node *np,
 	EDT_GET_PROP(offset, reg_addr->reg_offset);
 }
 
-static void
-edt_ft5x06_ts_get_defaults(struct edt_ft5x06_ts_data *tsdata,
-			   const struct edt_ft5x06_platform_data *pdata)
-{
-	struct edt_reg_addr *reg_addr = &tsdata->reg_addr;
-
-	if (!pdata->use_parameters)
-		return;
-
-	/* pick up defaults from the platform data */
-	EDT_ATTR_CHECKSET(threshold, reg_addr->reg_threshold);
-	EDT_ATTR_CHECKSET(gain, reg_addr->reg_gain);
-	EDT_ATTR_CHECKSET(offset, reg_addr->reg_offset);
-	if (reg_addr->reg_report_rate != NO_REGISTER)
-		EDT_ATTR_CHECKSET(report_rate, reg_addr->reg_report_rate);
-}
-
 static void
 edt_ft5x06_ts_get_parameters(struct edt_ft5x06_ts_data *tsdata)
 {
@@ -893,8 +868,6 @@ edt_ft5x06_ts_set_regs(struct edt_ft5x06_ts_data *tsdata)
 static int edt_ft5x06_ts_probe(struct i2c_client *client,
 					 const struct i2c_device_id *id)
 {
-	const struct edt_ft5x06_platform_data *pdata =
-						dev_get_platdata(&client->dev);
 	struct edt_ft5x06_ts_data *tsdata;
 	struct input_dev *input;
 	int error;
@@ -955,12 +928,7 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client,
 	}
 
 	edt_ft5x06_ts_set_regs(tsdata);
-
-	if (!pdata)
-		edt_ft5x06_ts_get_dt_defaults(client->dev.of_node, tsdata);
-	else
-		edt_ft5x06_ts_get_defaults(tsdata, pdata);
-
+	edt_ft5x06_ts_get_defaults(client->dev.of_node, tsdata);
 	edt_ft5x06_ts_get_parameters(tsdata);
 
 	dev_dbg(&client->dev,
@@ -976,8 +944,7 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client,
 	input_set_abs_params(input, ABS_MT_POSITION_Y,
 			     0, tsdata->num_y * 64 - 1, 0, 0);
 
-	if (!pdata)
-		touchscreen_parse_properties(input, true);
+	touchscreen_parse_properties(input, true);
 
 	error = input_mt_init_slots(input, MAX_SUPPORT_POINTS, INPUT_MT_DIRECT);
 	if (error) {

include/linux/input/edt-ft5x06.h

-#ifndef _EDT_FT5X06_H
-#define _EDT_FT5X06_H
-
-/*
- * Copyright (c) 2012 Simon Budig, <simon.budig@kernelconcepts.de>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- */
-
-struct edt_ft5x06_platform_data {
-	/* startup defaults for operational parameters */
-	bool use_parameters;
-	u8 gain;
-	u8 threshold;
-	u8 offset;
-	u8 report_rate;
-};
-
-#endif /* _EDT_FT5X06_H */