summaryrefslogtreecommitdiffstats
path: root/drivers/nfc
diff options
context:
space:
mode:
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2017-06-19 13:08:55 +0300
committerSamuel Ortiz <sameo@linux.intel.com>2017-06-22 23:51:45 +0200
commit75719b2b7a03729f403aed55bec938c6d2784690 (patch)
tree3e040dafe17c6eb3809e93c4d77ee7042a807d4a /drivers/nfc
parenta89e68f118e96b165555f7c64fee8aaff7bb7fb3 (diff)
downloadop-kernel-dev-75719b2b7a03729f403aed55bec938c6d2784690.zip
op-kernel-dev-75719b2b7a03729f403aed55bec938c6d2784690.tar.gz
NFC: st-nci: Use unified device properties API meaningfully
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>
Diffstat (limited to 'drivers/nfc')
-rw-r--r--drivers/nfc/st-nci/i2c.c30
-rw-r--r--drivers/nfc/st-nci/spi.c29
2 files changed, 11 insertions, 48 deletions
diff --git a/drivers/nfc/st-nci/i2c.c b/drivers/nfc/st-nci/i2c.c
index 93a621e..2ee3815 100644
--- a/drivers/nfc/st-nci/i2c.c
+++ b/drivers/nfc/st-nci/i2c.c
@@ -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);
diff --git a/drivers/nfc/st-nci/spi.c b/drivers/nfc/st-nci/spi.c
index 2834f69..383bf69 100644
--- a/drivers/nfc/st-nci/spi.c
+++ b/drivers/nfc/st-nci/spi.c
@@ -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);
OpenPOWER on IntegriCloud