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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2017-03-28 12:36:35 +0300
committerSamuel Ortiz <sameo@linux.intel.com>2017-04-05 11:01:19 +0300
commite7f6ccaab127147c52ac4b624c54ad0059bd08e9 (patch)
tree536ebe9c435ff24914fcf21d281f583eadbd2e99 /drivers/nfc/pn544
parent4334d8fc638aea4f36fc69042f699e44fed98b16 (diff)
downloadlinux-e7f6ccaab127147c52ac4b624c54ad0059bd08e9.tar.xz
NFC: pn544: 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>
Diffstat (limited to 'drivers/nfc/pn544')
-rw-r--r--drivers/nfc/pn544/i2c.c43
1 files changed, 6 insertions, 37 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;
}