aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/nfc
diff options
context:
space:
mode:
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2017-06-19 13:08:53 +0300
committerSamuel Ortiz <sameo@linux.intel.com>2017-06-22 23:51:45 +0200
commit1af9fea6be9de6e86f628e66c0eae996c49dbe80 (patch)
treedc3f6a71e5604ac16a60acbd04de4629e0aa4a3b /drivers/nfc
parent61a04101c8a486dec586b2657bffede1b3b979f3 (diff)
NFC: st-nci: Get rid of "interesting" use of interrupt polarity
I2C and SPI frameworks followed by IRQ framework do set interrupt polarity correctly if it's properly specified in firmware (ACPI or DT). Get rid of the redundant trick when requesting interrupt. 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.c8
-rw-r--r--drivers/nfc/st-nci/spi.c8
2 files changed, 2 insertions, 14 deletions
diff --git a/drivers/nfc/st-nci/i2c.c b/drivers/nfc/st-nci/i2c.c
index 6d3d8e43fa50..bdfbd543e671 100644
--- a/drivers/nfc/st-nci/i2c.c
+++ b/drivers/nfc/st-nci/i2c.c
@@ -21,7 +21,6 @@
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <linux/gpio/consumer.h>
-#include <linux/of_irq.h>
#include <linux/of_gpio.h>
#include <linux/acpi.h>
#include <linux/interrupt.h>
@@ -51,7 +50,6 @@ struct st_nci_i2c_phy {
bool irq_active;
unsigned int gpio_reset;
- unsigned int irq_polarity;
struct st_nci_se_status se_status;
};
@@ -225,8 +223,6 @@ static int st_nci_i2c_acpi_request_resources(struct i2c_client *client)
phy->gpio_reset = desc_to_gpio(gpiod_reset);
- phy->irq_polarity = irq_get_trigger_type(client->irq);
-
phy->se_status.is_ese_present = false;
phy->se_status.is_uicc_present = false;
@@ -271,8 +267,6 @@ static int st_nci_i2c_of_request_resources(struct i2c_client *client)
}
phy->gpio_reset = gpio;
- phy->irq_polarity = irq_get_trigger_type(client->irq);
-
phy->se_status.is_ese_present =
of_property_read_bool(pp, "ese-present");
phy->se_status.is_uicc_present =
@@ -333,7 +327,7 @@ static int st_nci_i2c_probe(struct i2c_client *client,
phy->irq_active = true;
r = devm_request_threaded_irq(&client->dev, client->irq, NULL,
st_nci_irq_thread_fn,
- phy->irq_polarity | IRQF_ONESHOT,
+ IRQF_ONESHOT,
ST_NCI_DRIVER_NAME, phy);
if (r < 0)
nfc_err(&client->dev, "Unable to register IRQ handler\n");
diff --git a/drivers/nfc/st-nci/spi.c b/drivers/nfc/st-nci/spi.c
index ee8ea708d5b7..4585e205778b 100644
--- a/drivers/nfc/st-nci/spi.c
+++ b/drivers/nfc/st-nci/spi.c
@@ -21,7 +21,6 @@
#include <linux/spi/spi.h>
#include <linux/gpio.h>
#include <linux/gpio/consumer.h>
-#include <linux/of_irq.h>
#include <linux/of_gpio.h>
#include <linux/acpi.h>
#include <linux/interrupt.h>
@@ -52,7 +51,6 @@ struct st_nci_spi_phy {
bool irq_active;
unsigned int gpio_reset;
- unsigned int irq_polarity;
struct st_nci_se_status se_status;
};
@@ -240,8 +238,6 @@ static int st_nci_spi_acpi_request_resources(struct spi_device *spi_dev)
phy->gpio_reset = desc_to_gpio(gpiod_reset);
- phy->irq_polarity = irq_get_trigger_type(spi_dev->irq);
-
phy->se_status.is_ese_present = false;
phy->se_status.is_uicc_present = false;
@@ -286,8 +282,6 @@ static int st_nci_spi_of_request_resources(struct spi_device *dev)
}
phy->gpio_reset = gpio;
- phy->irq_polarity = irq_get_trigger_type(dev->irq);
-
phy->se_status.is_ese_present =
of_property_read_bool(pp, "ese-present");
phy->se_status.is_uicc_present =
@@ -349,7 +343,7 @@ static int st_nci_spi_probe(struct spi_device *dev)
phy->irq_active = true;
r = devm_request_threaded_irq(&dev->dev, dev->irq, NULL,
st_nci_irq_thread_fn,
- phy->irq_polarity | IRQF_ONESHOT,
+ IRQF_ONESHOT,
ST_NCI_SPI_DRIVER_NAME, phy);
if (r < 0)
nfc_err(&dev->dev, "Unable to register IRQ handler\n");

Privacy Policy