diff options
| -rw-r--r-- | drivers/nfc/pn544/i2c.c | 43 | ||||
| -rw-r--r-- | include/linux/platform_data/pn544.h | 43 |
2 files changed, 6 insertions, 80 deletions
diff --git a/drivers/nfc/pn544/i2c.c b/drivers/nfc/pn544/i2c.c index 7030a47fe379..4afc92a54444 100644 --- a/drivers/nfc/pn544/i2c.c +++ b/drivers/nfc/pn544/i2c.c @@ -30,7 +30,7 @@ #include <linux/nfc.h> #include <linux/firmware.h> #include <linux/gpio/consumer.h> -#include <linux/platform_data/pn544.h> + #include <asm/unaligned.h> #include <net/nfc/hci.h> @@ -972,7 +972,6 @@ static int pn544_hci_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct pn544_i2c_phy *phy; - struct pn544_nfc_platform_data *pdata; int r = 0; dev_dbg(&client->dev, "%s\n", __func__); @@ -994,32 +993,13 @@ static int pn544_hci_i2c_probe(struct i2c_client *client, phy->i2c_dev = client; i2c_set_clientdata(client, phy); - pdata = client->dev.platform_data; - /* No platform data, using device tree. */ - if (!pdata && client->dev.of_node) { + if (client->dev.of_node) { r = pn544_hci_i2c_of_request_resources(client); if (r) { nfc_err(&client->dev, "No DT data\n"); return r; } - /* Using platform data. */ - } else if (pdata) { - - if (pdata->request_resources == NULL) { - nfc_err(&client->dev, "request_resources() missing\n"); - return -EINVAL; - } - - r = pdata->request_resources(client); - if (r) { - nfc_err(&client->dev, - "Cannot get platform resources\n"); - return r; - } - - phy->gpio_en = pdata->get_gpio(NFC_GPIO_ENABLE); - phy->gpio_fw = pdata->get_gpio(NFC_GPIO_FW_RESET); /* Using ACPI */ } else if (ACPI_HANDLE(&client->dev)) { r = pn544_hci_i2c_acpi_request_resources(client); @@ -1056,12 +1036,8 @@ err_hci: free_irq(client->irq, phy); err_rti: - if (!pdata) { - gpio_free(phy->gpio_en); - gpio_free(phy->gpio_fw); - } else if (pdata->free_resources) { - pdata->free_resources(); - } + gpio_free(phy->gpio_en); + gpio_free(phy->gpio_fw); return r; } @@ -1069,7 +1045,6 @@ err_rti: static int pn544_hci_i2c_remove(struct i2c_client *client) { struct pn544_i2c_phy *phy = i2c_get_clientdata(client); - struct pn544_nfc_platform_data *pdata = client->dev.platform_data; dev_dbg(&client->dev, "%s\n", __func__); @@ -1084,14 +1059,8 @@ static int pn544_hci_i2c_remove(struct i2c_client *client) free_irq(client->irq, phy); - /* No platform data, GPIOs have been requested by this driver */ - if (!pdata) { - gpio_free(phy->gpio_en); - gpio_free(phy->gpio_fw); - /* Using platform data */ - } else if (pdata->free_resources) { - pdata->free_resources(); - } + gpio_free(phy->gpio_en); + gpio_free(phy->gpio_fw); return 0; } diff --git a/include/linux/platform_data/pn544.h b/include/linux/platform_data/pn544.h deleted file mode 100644 index 5ce1ab983f44..000000000000 --- a/include/linux/platform_data/pn544.h +++ /dev/null @@ -1,43 +0,0 @@ -/* - * Driver include for the PN544 NFC chip. - * - * Copyright (C) Nokia Corporation - * - * Author: Jari Vanhala <ext-jari.vanhala@nokia.com> - * Contact: Matti Aaltoenn <matti.j.aaltonen@nokia.com> - * - * 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. - * - * 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 _PN544_H_ -#define _PN544_H_ - -#include <linux/i2c.h> - -enum { - NFC_GPIO_ENABLE, - NFC_GPIO_FW_RESET, - NFC_GPIO_IRQ -}; - -/* board config */ -struct pn544_nfc_platform_data { - int (*request_resources) (struct i2c_client *client); - void (*free_resources) (void); - void (*enable) (int fw); - int (*test) (void); - void (*disable) (void); - int (*get_gpio)(int type); -}; - -#endif /* _PN544_H_ */ |