diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/nfc/st21nfca/i2c.c | 46 |
1 files changed, 3 insertions, 43 deletions
diff --git a/drivers/nfc/st21nfca/i2c.c b/drivers/nfc/st21nfca/i2c.c index c4f0d048359b..443733502251 100644 --- a/drivers/nfc/st21nfca/i2c.c +++ b/drivers/nfc/st21nfca/i2c.c @@ -20,7 +20,6 @@ #include <linux/crc-ccitt.h> #include <linux/module.h> #include <linux/i2c.h> -#include <linux/gpio.h> #include <linux/gpio/consumer.h> #include <linux/of_irq.h> #include <linux/of_gpio.h> @@ -29,7 +28,7 @@ #include <linux/delay.h> #include <linux/nfc.h> #include <linux/firmware.h> -#include <linux/platform_data/st21nfca.h> + #include <asm/unaligned.h> #include <net/nfc/hci.h> @@ -59,6 +58,7 @@ #define IS_START_OF_FRAME(buf) (buf[0] == ST21NFCA_SOF_EOF && \ buf[1] == 0) +#define ST21NFCA_HCI_DRIVER_NAME "st21nfca_hci" #define ST21NFCA_HCI_I2C_DRIVER_NAME "st21nfca_hci_i2c" #define ST21NFCA_GPIO_NAME_EN "enable" @@ -576,43 +576,10 @@ static int st21nfca_hci_i2c_of_request_resources(struct i2c_client *client) return 0; } -static int st21nfca_hci_i2c_request_resources(struct i2c_client *client) -{ - struct st21nfca_nfc_platform_data *pdata; - struct st21nfca_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_ena = pdata->gpio_ena; - phy->irq_polarity = pdata->irq_polarity; - - if (phy->gpio_ena > 0) { - r = devm_gpio_request_one(&client->dev, phy->gpio_ena, - GPIOF_OUT_INIT_HIGH, - ST21NFCA_GPIO_NAME_EN); - if (r) { - pr_err("%s : ena 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 st21nfca_hci_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct st21nfca_i2c_phy *phy; - struct st21nfca_nfc_platform_data *pdata; int r; dev_dbg(&client->dev, "%s\n", __func__); @@ -638,19 +605,12 @@ static int st21nfca_hci_i2c_probe(struct i2c_client *client, mutex_init(&phy->phy_lock); i2c_set_clientdata(client, phy); - pdata = client->dev.platform_data; - if (!pdata && client->dev.of_node) { + if (client->dev.of_node) { r = st21nfca_hci_i2c_of_request_resources(client); if (r) { nfc_err(&client->dev, "No platform data\n"); return r; } - } else if (pdata) { - r = st21nfca_hci_i2c_request_resources(client); - if (r) { - nfc_err(&client->dev, "Cannot get platform resources\n"); - return r; - } } else if (ACPI_HANDLE(&client->dev)) { r = st21nfca_hci_i2c_acpi_request_resources(client); if (r) { |