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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2017-06-19 13:08:57 +0300
committerSamuel Ortiz <sameo@linux.intel.com>2017-06-22 23:51:45 +0200
commitc745120e343abfbcf5c9239e09cae4a3cf651fa0 (patch)
tree2cce550af75829f85fe14dad6f2ae5a851965d6d /drivers/nfc
parent85d23e772931e347c145fa78db3c48f29e169838 (diff)
NFC: st-nci: Get rid of code duplication in ->probe()
Since OF and ACPI case almost the same get rid of code duplication by moving gpiod_get() calls directly to ->probe(). Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/nfc')
-rw-r--r--drivers/nfc/st-nci/i2c.c61
-rw-r--r--drivers/nfc/st-nci/spi.c60
2 files changed, 18 insertions, 103 deletions
diff --git a/drivers/nfc/st-nci/i2c.c b/drivers/nfc/st-nci/i2c.c
index edda253b07fe..515f08d037fb 100644
--- a/drivers/nfc/st-nci/i2c.c
+++ b/drivers/nfc/st-nci/i2c.c
@@ -210,41 +210,6 @@ static const struct acpi_gpio_mapping acpi_st_nci_gpios[] = {
{},
};
-static int st_nci_i2c_acpi_request_resources(struct i2c_client *client)
-{
- struct st_nci_i2c_phy *phy = i2c_get_clientdata(client);
- struct device *dev = &client->dev;
- int r;
-
- r = devm_acpi_dev_add_driver_gpios(dev, acpi_st_nci_gpios);
- if (r)
- return r;
-
- /* Get RESET GPIO from ACPI */
- phy->gpiod_reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
- if (IS_ERR(phy->gpiod_reset)) {
- nfc_err(dev, "Unable to get RESET GPIO\n");
- return -ENODEV;
- }
-
- return 0;
-}
-
-static int st_nci_i2c_of_request_resources(struct i2c_client *client)
-{
- struct st_nci_i2c_phy *phy = i2c_get_clientdata(client);
- struct device *dev = &client->dev;
-
- /* Get GPIO from device tree */
- phy->gpiod_reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
- if (IS_ERR(phy->gpiod_reset)) {
- nfc_err(dev, "Unable to get RESET GPIO\n");
- return PTR_ERR(phy->gpiod_reset);
- }
-
- return 0;
-}
-
static int st_nci_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
@@ -260,8 +225,7 @@ static int st_nci_i2c_probe(struct i2c_client *client,
return -ENODEV;
}
- phy = devm_kzalloc(&client->dev, sizeof(struct st_nci_i2c_phy),
- GFP_KERNEL);
+ phy = devm_kzalloc(dev, sizeof(struct st_nci_i2c_phy), GFP_KERNEL);
if (!phy)
return -ENOMEM;
@@ -269,21 +233,14 @@ static int st_nci_i2c_probe(struct i2c_client *client,
i2c_set_clientdata(client, phy);
- 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 (ACPI_HANDLE(&client->dev)) {
- r = st_nci_i2c_acpi_request_resources(client);
- if (r) {
- nfc_err(&client->dev, "Cannot get ACPI data\n");
- return r;
- }
- } else {
- nfc_err(&client->dev,
- "st_nci platform resources not available\n");
+ r = devm_acpi_dev_add_driver_gpios(dev, acpi_st_nci_gpios);
+ if (r)
+ dev_dbg(dev, "Unable to add GPIO mapping table\n");
+
+ /* Get RESET GPIO */
+ phy->gpiod_reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
+ if (IS_ERR(phy->gpiod_reset)) {
+ nfc_err(dev, "Unable to get RESET GPIO\n");
return -ENODEV;
}
diff --git a/drivers/nfc/st-nci/spi.c b/drivers/nfc/st-nci/spi.c
index 99ecf92edc8c..14705591b0fb 100644
--- a/drivers/nfc/st-nci/spi.c
+++ b/drivers/nfc/st-nci/spi.c
@@ -225,41 +225,6 @@ static const struct acpi_gpio_mapping acpi_st_nci_gpios[] = {
{},
};
-static int st_nci_spi_acpi_request_resources(struct spi_device *spi_dev)
-{
- struct st_nci_spi_phy *phy = spi_get_drvdata(spi_dev);
- struct device *dev = &spi_dev->dev;
- int r;
-
- r = devm_acpi_dev_add_driver_gpios(dev, acpi_st_nci_gpios);
- if (r)
- return r;
-
- /* Get RESET GPIO from ACPI */
- phy->gpiod_reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
- if (IS_ERR(phy->gpiod_reset)) {
- nfc_err(dev, "Unable to get RESET GPIO\n");
- return PTR_ERR(phy->gpiod_reset);
- }
-
- return 0;
-}
-
-static int st_nci_spi_of_request_resources(struct spi_device *spi)
-{
- struct st_nci_spi_phy *phy = spi_get_drvdata(spi);
- struct device *dev = &spi->dev;
-
- /* Get GPIO from device tree */
- phy->gpiod_reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
- if (IS_ERR(phy->gpiod_reset)) {
- nfc_err(dev, "Unable to get RESET GPIO\n");
- return PTR_ERR(phy->gpiod_reset);
- }
-
- return 0;
-}
-
static int st_nci_spi_probe(struct spi_device *dev)
{
struct st_nci_spi_phy *phy;
@@ -284,22 +249,15 @@ static int st_nci_spi_probe(struct spi_device *dev)
spi_set_drvdata(dev, phy);
- 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 (ACPI_HANDLE(&dev->dev)) {
- r = st_nci_spi_acpi_request_resources(dev);
- if (r) {
- nfc_err(&dev->dev, "Cannot get ACPI data\n");
- return r;
- }
- } else {
- nfc_err(&dev->dev,
- "st_nci platform resources not available\n");
- return -ENODEV;
+ r = devm_acpi_dev_add_driver_gpios(&dev->dev, acpi_st_nci_gpios);
+ if (r)
+ dev_dbg(&dev->dev, "Unable to add GPIO mapping table\n");
+
+ /* Get RESET GPIO */
+ phy->gpiod_reset = devm_gpiod_get(&dev->dev, "reset", GPIOD_OUT_HIGH);
+ if (IS_ERR(phy->gpiod_reset)) {
+ nfc_err(&dev->dev, "Unable to get RESET GPIO\n");
+ return PTR_ERR(phy->gpiod_reset);
}
phy->se_status.is_ese_present =

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