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path: root/drivers/nfc/st-nci/spi.c
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Diffstat (limited to 'drivers/nfc/st-nci/spi.c')
-rw-r--r--drivers/nfc/st-nci/spi.c32
1 files changed, 15 insertions, 17 deletions
diff --git a/drivers/nfc/st-nci/spi.c b/drivers/nfc/st-nci/spi.c
index 821dfa950..89e341eba 100644
--- a/drivers/nfc/st-nci/spi.c
+++ b/drivers/nfc/st-nci/spi.c
@@ -43,7 +43,7 @@
#define ST_NCI_SPI_DRIVER_NAME "st_nci_spi"
-#define ST_NCI_GPIO_NAME_RESET "clf_reset"
+#define ST_NCI_GPIO_NAME_RESET "reset"
struct st_nci_spi_phy {
struct spi_device *spi_dev;
@@ -226,19 +226,9 @@ static struct nfc_phy_ops spi_phy_ops = {
static int st_nci_spi_acpi_request_resources(struct spi_device *spi_dev)
{
struct st_nci_spi_phy *phy = spi_get_drvdata(spi_dev);
- const struct acpi_device_id *id;
struct gpio_desc *gpiod_reset;
- struct device *dev;
-
- if (!spi_dev)
- return -EINVAL;
-
- dev = &spi_dev->dev;
-
- /* Match the struct device against a given list of ACPI IDs */
- id = acpi_match_device(dev->driver->acpi_match_table, dev);
- if (!id)
- return -ENODEV;
+ struct device *dev = &spi_dev->dev;
+ u8 tmp;
/* Get RESET GPIO from ACPI */
gpiod_reset = devm_gpiod_get_index(dev, ST_NCI_GPIO_NAME_RESET, 1,
@@ -252,10 +242,18 @@ static int st_nci_spi_acpi_request_resources(struct spi_device *spi_dev)
phy->irq_polarity = irq_get_trigger_type(spi_dev->irq);
- phy->se_status.is_ese_present =
- device_property_present(dev, "ese-present");
- phy->se_status.is_uicc_present =
- device_property_present(dev, "uicc-present");
+ 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;
}