diff options
Diffstat (limited to 'drivers/nfc/st-nci/spi.c')
| -rw-r--r-- | drivers/nfc/st-nci/spi.c | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/drivers/nfc/st-nci/spi.c b/drivers/nfc/st-nci/spi.c index 821dfa9..89e341e 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; } |