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NFC: st-nci: Use unified device properties API meaningfully

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Use unified device properties API in meaningful way.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Andy Shevchenko 2017-06-19 13:08:55 +03:00 committed by Samuel Ortiz
parent a89e68f118
commit 75719b2b7a
2 changed files with 11 additions and 48 deletions
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30
drivers/nfc/st-nci/i2c.c
View File

@ -209,7 +209,6 @@ 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;
u8 tmp;
/* Get RESET GPIO from ACPI */
phy->gpiod_reset = devm_gpiod_get_index(dev, ST_NCI_GPIO_NAME_RESET,
@ -219,19 +218,6 @@ static int st_nci_i2c_acpi_request_resources(struct i2c_client *client)
return -ENODEV;
}
phy->se_status.is_ese_present = false;
phy->se_status.is_uicc_present = false;
if (device_property_present(dev, "ese-present")) {
device_property_read_u8(dev, "ese-present", &tmp);
phy->se_status.is_ese_present = tmp;
}
if (device_property_present(dev, "uicc-present")) {
device_property_read_u8(dev, "uicc-present", &tmp);
phy->se_status.is_uicc_present = tmp;
}
return 0;
}
@ -239,11 +225,6 @@ 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;
struct device_node *pp;
pp = client->dev.of_node;
if (!pp)
return -ENODEV;
/* Get GPIO from device tree */
phy->gpiod_reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
@ -252,17 +233,13 @@ static int st_nci_i2c_of_request_resources(struct i2c_client *client)
return PTR_ERR(phy->gpiod_reset);
}
phy->se_status.is_ese_present =
of_property_read_bool(pp, "ese-present");
phy->se_status.is_uicc_present =
of_property_read_bool(pp, "uicc-present");
return 0;
}
static int st_nci_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct device *dev = &client->dev;
struct st_nci_i2c_phy *phy;
int r;
@ -301,6 +278,11 @@ static int st_nci_i2c_probe(struct i2c_client *client,
return -ENODEV;
}
phy->se_status.is_ese_present =
device_property_read_bool(dev, "ese-present");
phy->se_status.is_uicc_present =
device_property_read_bool(dev, "uicc-present");
r = ndlc_probe(phy, &i2c_phy_ops, &client->dev,
ST_NCI_FRAME_HEADROOM, ST_NCI_FRAME_TAILROOM,
&phy->ndlc, &phy->se_status);

29
drivers/nfc/st-nci/spi.c
View File

@ -224,7 +224,6 @@ 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;
u8 tmp;
/* Get RESET GPIO from ACPI */
phy->gpiod_reset = devm_gpiod_get_index(dev, ST_NCI_GPIO_NAME_RESET,
@ -234,19 +233,6 @@ static int st_nci_spi_acpi_request_resources(struct spi_device *spi_dev)
return PTR_ERR(phy->gpiod_reset);
}
phy->se_status.is_ese_present = false;
phy->se_status.is_uicc_present = false;
if (device_property_present(dev, "ese-present")) {
device_property_read_u8(dev, "ese-present", &tmp);
tmp = phy->se_status.is_ese_present;
}
if (device_property_present(dev, "uicc-present")) {
device_property_read_u8(dev, "uicc-present", &tmp);
tmp = phy->se_status.is_uicc_present;
}
return 0;
}
@ -254,11 +240,6 @@ 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;
struct device_node *pp;
pp = spi->dev.of_node;
if (!pp)
return -ENODEV;
/* Get GPIO from device tree */
phy->gpiod_reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
@ -267,11 +248,6 @@ static int st_nci_spi_of_request_resources(struct spi_device *spi)
return PTR_ERR(phy->gpiod_reset);
}
phy->se_status.is_ese_present =
of_property_read_bool(pp, "ese-present");
phy->se_status.is_uicc_present =
of_property_read_bool(pp, "uicc-present");
return 0;
}
@ -317,6 +293,11 @@ static int st_nci_spi_probe(struct spi_device *dev)
return -ENODEV;
}
phy->se_status.is_ese_present =
device_property_read_bool(&dev->dev, "ese-present");
phy->se_status.is_uicc_present =
device_property_read_bool(&dev->dev, "uicc-present");
r = ndlc_probe(phy, &spi_phy_ops, &dev->dev,
ST_NCI_FRAME_HEADROOM, ST_NCI_FRAME_TAILROOM,
&phy->ndlc, &phy->se_status);