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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>
This commit is contained in:
Andy Shevchenko 2017-06-19 13:08:53 +03:00 committed by Samuel Ortiz
parent 61a04101c8
commit 1af9fea6be
2 changed files with 2 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/nfc/st-nci/i2c.c
View File

@ -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");

8
drivers/nfc/st-nci/spi.c
View File

@ -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");