NFC: st-nci: Get rid of platform data

Legacy platform data must go away. We are on the safe side here since
there are no users of it in the kernel.

If anyone by any odd reason needs it the GPIO lookup tables and
built-in device properties at your service.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

MAINTAINERS

@@ -9071,7 +9071,6 @@ F:	include/linux/platform_data/nfcmrvl.h
 F:	include/linux/platform_data/nxp-nci.h
 F:	include/linux/platform_data/pn544.h
 F:	include/linux/platform_data/st21nfca.h
-F:	include/linux/platform_data/st-nci.h
 F:	Documentation/devicetree/bindings/net/nfc/
 
 NFS, SUNRPC, AND LOCKD CLIENTS

drivers/nfc/st-nci/i2c.c

@@ -27,7 +27,6 @@
 #include <linux/interrupt.h>
 #include <linux/delay.h>
 #include <linux/nfc.h>
-#include <linux/platform_data/st-nci.h>
 
 #include "st-nci.h"
 
@@ -40,6 +39,7 @@
 #define ST_NCI_I2C_MIN_SIZE 4   /* PCB(1) + NCI Packet header(3) */
 #define ST_NCI_I2C_MAX_SIZE 250 /* req 4.2.1 */
 
+#define ST_NCI_DRIVER_NAME "st_nci"
 #define ST_NCI_I2C_DRIVER_NAME "st_nci_i2c"
 
 #define ST_NCI_GPIO_NAME_RESET "reset"
@@ -281,41 +281,10 @@ static int st_nci_i2c_of_request_resources(struct i2c_client *client)
 	return 0;
 }
 
-static int st_nci_i2c_request_resources(struct i2c_client *client)
-{
-	struct st_nci_nfc_platform_data *pdata;
-	struct st_nci_i2c_phy *phy = i2c_get_clientdata(client);
-	int r;
-
-	pdata = client->dev.platform_data;
-	if (pdata == NULL) {
-		nfc_err(&client->dev, "No platform data\n");
-		return -EINVAL;
-	}
-
-	/* store for later use */
-	phy->gpio_reset = pdata->gpio_reset;
-	phy->irq_polarity = pdata->irq_polarity;
-
-	r = devm_gpio_request_one(&client->dev,
-			phy->gpio_reset, GPIOF_OUT_INIT_HIGH,
-			ST_NCI_GPIO_NAME_RESET);
-	if (r) {
-		pr_err("%s : reset gpio_request failed\n", __FILE__);
-		return r;
-	}
-
-	phy->se_status.is_ese_present = pdata->is_ese_present;
-	phy->se_status.is_uicc_present = pdata->is_uicc_present;
-
-	return 0;
-}
-
 static int st_nci_i2c_probe(struct i2c_client *client,
 				  const struct i2c_device_id *id)
 {
 	struct st_nci_i2c_phy *phy;
-	struct st_nci_nfc_platform_data *pdata;
 	int r;
 
 	dev_dbg(&client->dev, "%s\n", __func__);
@@ -335,20 +304,12 @@ static int st_nci_i2c_probe(struct i2c_client *client,
 
 	i2c_set_clientdata(client, phy);
 
-	pdata = client->dev.platform_data;
-	if (!pdata && client->dev.of_node) {
+	if (client->dev.of_node) {
 		r = st_nci_i2c_of_request_resources(client);
 		if (r) {
 			nfc_err(&client->dev, "No platform data\n");
 			return r;
 		}
-	} else if (pdata) {
-		r = st_nci_i2c_request_resources(client);
-		if (r) {
-			nfc_err(&client->dev,
-				"Cannot get platform resources\n");
-			return r;
-		}
 	} else if (ACPI_HANDLE(&client->dev)) {
 		r = st_nci_i2c_acpi_request_resources(client);
 		if (r) {

drivers/nfc/st-nci/spi.c

@@ -28,7 +28,6 @@
 #include <linux/delay.h>
 #include <linux/nfc.h>
 #include <net/nfc/nci.h>
-#include <linux/platform_data/st-nci.h>
 
 #include "st-nci.h"
 
@@ -41,6 +40,7 @@
 #define ST_NCI_SPI_MIN_SIZE 4   /* PCB(1) + NCI Packet header(3) */
 #define ST_NCI_SPI_MAX_SIZE 250 /* req 4.2.1 */
 
+#define ST_NCI_DRIVER_NAME "st_nci"
 #define ST_NCI_SPI_DRIVER_NAME "st_nci_spi"
 
 #define ST_NCI_GPIO_NAME_RESET "reset"
@@ -296,40 +296,9 @@ static int st_nci_spi_of_request_resources(struct spi_device *dev)
 	return 0;
 }
 
-static int st_nci_spi_request_resources(struct spi_device *dev)
-{
-	struct st_nci_nfc_platform_data *pdata;
-	struct st_nci_spi_phy *phy = spi_get_drvdata(dev);
-	int r;
-
-	pdata = dev->dev.platform_data;
-	if (pdata == NULL) {
-		nfc_err(&dev->dev, "No platform data\n");
-		return -EINVAL;
-	}
-
-	/* store for later use */
-	phy->gpio_reset = pdata->gpio_reset;
-	phy->irq_polarity = pdata->irq_polarity;
-
-	r = devm_gpio_request_one(&dev->dev,
-			phy->gpio_reset, GPIOF_OUT_INIT_HIGH,
-			ST_NCI_GPIO_NAME_RESET);
-	if (r) {
-		pr_err("%s : reset gpio_request failed\n", __FILE__);
-		return r;
-	}
-
-	phy->se_status.is_ese_present = pdata->is_ese_present;
-	phy->se_status.is_uicc_present = pdata->is_uicc_present;
-
-	return 0;
-}
-
 static int st_nci_spi_probe(struct spi_device *dev)
 {
 	struct st_nci_spi_phy *phy;
-	struct st_nci_nfc_platform_data *pdata;
 	int r;
 
 	dev_dbg(&dev->dev, "%s\n", __func__);
@@ -351,20 +320,12 @@ static int st_nci_spi_probe(struct spi_device *dev)
 
 	spi_set_drvdata(dev, phy);
 
-	pdata = dev->dev.platform_data;
-	if (!pdata && dev->dev.of_node) {
+	if (dev->dev.of_node) {
 		r = st_nci_spi_of_request_resources(dev);
 		if (r) {
 			nfc_err(&dev->dev, "No platform data\n");
 			return r;
 		}
-	} else if (pdata) {
-		r = st_nci_spi_request_resources(dev);
-		if (r) {
-			nfc_err(&dev->dev,
-				"Cannot get platform resources\n");
-			return r;
-		}
 	} else if (ACPI_HANDLE(&dev->dev)) {
 		r = st_nci_spi_acpi_request_resources(dev);
 		if (r) {

include/linux/platform_data/st-nci.h

@@ -1,31 +0,0 @@
-/*
- * Driver include for ST NCI NFC chip family.
- *
- * Copyright (C) 2014-2015  STMicroelectronics SAS. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef _ST_NCI_H_
-#define _ST_NCI_H_
-
-#define ST_NCI_DRIVER_NAME "st_nci"
-
-struct st_nci_nfc_platform_data {
-	unsigned int gpio_reset;
-	unsigned int irq_polarity;
-	bool is_ese_present;
-	bool is_uicc_present;
-};
-
-#endif /* _ST_NCI_H_ */