iio: remove get_irq_data_ready() function pointer and use IRQ number directly

Not even sure why it was there since the beginning. Just use IRQ
number in the sensor_data struct.
Signed-off-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/accel/st_accel_core.c

@@ -1169,7 +1169,6 @@ int st_accel_common_probe(struct iio_dev *indio_dev)
 	struct st_sensor_data *adata = iio_priv(indio_dev);
 	struct st_sensors_platform_data *pdata =
 		(struct st_sensors_platform_data *)adata->dev->platform_data;
-	int irq = adata->get_irq_data_ready(indio_dev);
 	struct iio_chan_spec *channels;
 	size_t channels_size;
 	int err;
@@ -1217,7 +1216,7 @@ int st_accel_common_probe(struct iio_dev *indio_dev)
 	if (err < 0)
 		goto st_accel_power_off;
 
-	if (irq > 0) {
+	if (adata->irq > 0) {
 		err = st_sensors_allocate_trigger(indio_dev,
 						 ST_ACCEL_TRIGGER_OPS);
 		if (err < 0)
@@ -1234,7 +1233,7 @@ int st_accel_common_probe(struct iio_dev *indio_dev)
 	return 0;
 
 st_accel_device_register_error:
-	if (irq > 0)
+	if (adata->irq > 0)
 		st_sensors_deallocate_trigger(indio_dev);
 st_accel_probe_trigger_error:
 	st_accel_deallocate_ring(indio_dev);
@@ -1252,7 +1251,7 @@ void st_accel_common_remove(struct iio_dev *indio_dev)
 	st_sensors_power_disable(indio_dev);
 
 	iio_device_unregister(indio_dev);
-	if (adata->get_irq_data_ready(indio_dev) > 0)
+	if (adata->irq > 0)
 		st_sensors_deallocate_trigger(indio_dev);
 
 	st_accel_deallocate_ring(indio_dev);

drivers/iio/common/st_sensors/st_sensors_i2c.c

@@ -20,13 +20,6 @@
 
 #define ST_SENSORS_I2C_MULTIREAD	0x80
 
-static unsigned int st_sensors_i2c_get_irq(struct iio_dev *indio_dev)
-{
-	struct st_sensor_data *sdata = iio_priv(indio_dev);
-
-	return to_i2c_client(sdata->dev)->irq;
-}
-
 static const struct regmap_config st_sensors_i2c_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
@@ -69,7 +62,7 @@ int st_sensors_i2c_configure(struct iio_dev *indio_dev,
 	indio_dev->name = client->name;
 
 	sdata->dev = &client->dev;
-	sdata->get_irq_data_ready = st_sensors_i2c_get_irq;
+	sdata->irq = client->irq;
 
 	return 0;
 }

drivers/iio/common/st_sensors/st_sensors_spi.c

@@ -18,13 +18,6 @@
 
 #define ST_SENSORS_SPI_MULTIREAD	0xc0
 
-static unsigned int st_sensors_spi_get_irq(struct iio_dev *indio_dev)
-{
-	struct st_sensor_data *sdata = iio_priv(indio_dev);
-
-	return to_spi_device(sdata->dev)->irq;
-}
-
 static const struct regmap_config st_sensors_spi_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
@@ -117,7 +110,7 @@ int st_sensors_spi_configure(struct iio_dev *indio_dev,
 	indio_dev->name = spi->modalias;
 
 	sdata->dev = &spi->dev;
-	sdata->get_irq_data_ready = st_sensors_spi_get_irq;
+	sdata->irq = spi->irq;
 
 	return 0;
 }

drivers/iio/common/st_sensors/st_sensors_trigger.c

@@ -121,9 +121,9 @@ static irqreturn_t st_sensors_irq_thread(int irq, void *p)
 int st_sensors_allocate_trigger(struct iio_dev *indio_dev,
 				const struct iio_trigger_ops *trigger_ops)
 {
-	int err, irq;
 	struct st_sensor_data *sdata = iio_priv(indio_dev);
 	unsigned long irq_trig;
+	int err;
 
 	sdata->trig = iio_trigger_alloc("%s-trigger", indio_dev->name);
 	if (sdata->trig == NULL) {
@@ -135,8 +135,7 @@ int st_sensors_allocate_trigger(struct iio_dev *indio_dev,
 	sdata->trig->ops = trigger_ops;
 	sdata->trig->dev.parent = sdata->dev;
 
-	irq = sdata->get_irq_data_ready(indio_dev);
-	irq_trig = irqd_get_trigger_type(irq_get_irq_data(irq));
+	irq_trig = irqd_get_trigger_type(irq_get_irq_data(sdata->irq));
 	/*
 	 * If the IRQ is triggered on falling edge, we need to mark the
 	 * interrupt as active low, if the hardware supports this.
@@ -206,12 +205,12 @@ int st_sensors_allocate_trigger(struct iio_dev *indio_dev,
 	    sdata->sensor_settings->drdy_irq.stat_drdy.addr)
 		irq_trig |= IRQF_SHARED;
 
-	err = request_threaded_irq(sdata->get_irq_data_ready(indio_dev),
-			st_sensors_irq_handler,
-			st_sensors_irq_thread,
-			irq_trig,
-			sdata->trig->name,
-			sdata->trig);
+	err = request_threaded_irq(sdata->irq,
+				   st_sensors_irq_handler,
+				   st_sensors_irq_thread,
+				   irq_trig,
+				   sdata->trig->name,
+				   sdata->trig);
 	if (err) {
 		dev_err(&indio_dev->dev, "failed to request trigger IRQ.\n");
 		goto iio_trigger_free;
@@ -227,7 +226,7 @@ int st_sensors_allocate_trigger(struct iio_dev *indio_dev,
 	return 0;
 
 iio_trigger_register_error:
-	free_irq(sdata->get_irq_data_ready(indio_dev), sdata->trig);
+	free_irq(sdata->irq, sdata->trig);
 iio_trigger_free:
 	iio_trigger_free(sdata->trig);
 	return err;
@@ -239,7 +238,7 @@ void st_sensors_deallocate_trigger(struct iio_dev *indio_dev)
 	struct st_sensor_data *sdata = iio_priv(indio_dev);
 
 	iio_trigger_unregister(sdata->trig);
-	free_irq(sdata->get_irq_data_ready(indio_dev), sdata->trig);
+	free_irq(sdata->irq, sdata->trig);
 	iio_trigger_free(sdata->trig);
 }
 EXPORT_SYMBOL(st_sensors_deallocate_trigger);

drivers/iio/gyro/st_gyro_core.c

@@ -388,7 +388,6 @@ EXPORT_SYMBOL(st_gyro_get_settings);
 int st_gyro_common_probe(struct iio_dev *indio_dev)
 {
 	struct st_sensor_data *gdata = iio_priv(indio_dev);
-	int irq = gdata->get_irq_data_ready(indio_dev);
 	int err;
 
 	indio_dev->modes = INDIO_DIRECT_MODE;
@@ -419,7 +418,7 @@ int st_gyro_common_probe(struct iio_dev *indio_dev)
 	if (err < 0)
 		goto st_gyro_power_off;
 
-	if (irq > 0) {
+	if (gdata->irq > 0) {
 		err = st_sensors_allocate_trigger(indio_dev,
 						  ST_GYRO_TRIGGER_OPS);
 		if (err < 0)
@@ -436,7 +435,7 @@ int st_gyro_common_probe(struct iio_dev *indio_dev)
 	return 0;
 
 st_gyro_device_register_error:
-	if (irq > 0)
+	if (gdata->irq > 0)
 		st_sensors_deallocate_trigger(indio_dev);
 st_gyro_probe_trigger_error:
 	st_gyro_deallocate_ring(indio_dev);
@@ -454,7 +453,7 @@ void st_gyro_common_remove(struct iio_dev *indio_dev)
 	st_sensors_power_disable(indio_dev);
 
 	iio_device_unregister(indio_dev);
-	if (gdata->get_irq_data_ready(indio_dev) > 0)
+	if (gdata->irq > 0)
 		st_sensors_deallocate_trigger(indio_dev);
 
 	st_gyro_deallocate_ring(indio_dev);

drivers/iio/magnetometer/st_magn_core.c

@@ -490,7 +490,6 @@ EXPORT_SYMBOL(st_magn_get_settings);
 int st_magn_common_probe(struct iio_dev *indio_dev)
 {
 	struct st_sensor_data *mdata = iio_priv(indio_dev);
-	int irq = mdata->get_irq_data_ready(indio_dev);
 	int err;
 
 	indio_dev->modes = INDIO_DIRECT_MODE;
@@ -520,7 +519,7 @@ int st_magn_common_probe(struct iio_dev *indio_dev)
 	if (err < 0)
 		goto st_magn_power_off;
 
-	if (irq > 0) {
+	if (mdata->irq > 0) {
 		err = st_sensors_allocate_trigger(indio_dev,
 						ST_MAGN_TRIGGER_OPS);
 		if (err < 0)
@@ -537,7 +536,7 @@ int st_magn_common_probe(struct iio_dev *indio_dev)
 	return 0;
 
 st_magn_device_register_error:
-	if (irq > 0)
+	if (mdata->irq > 0)
 		st_sensors_deallocate_trigger(indio_dev);
 st_magn_probe_trigger_error:
 	st_magn_deallocate_ring(indio_dev);
@@ -555,7 +554,7 @@ void st_magn_common_remove(struct iio_dev *indio_dev)
 	st_sensors_power_disable(indio_dev);
 
 	iio_device_unregister(indio_dev);
-	if (mdata->get_irq_data_ready(indio_dev) > 0)
+	if (mdata->irq > 0)
 		st_sensors_deallocate_trigger(indio_dev);
 
 	st_magn_deallocate_ring(indio_dev);

drivers/iio/pressure/st_pressure_core.c

@@ -686,7 +686,6 @@ int st_press_common_probe(struct iio_dev *indio_dev)
 	struct st_sensor_data *press_data = iio_priv(indio_dev);
 	struct st_sensors_platform_data *pdata =
 		(struct st_sensors_platform_data *)press_data->dev->platform_data;
-	int irq = press_data->get_irq_data_ready(indio_dev);
 	int err;
 
 	indio_dev->modes = INDIO_DIRECT_MODE;
@@ -729,7 +728,7 @@ int st_press_common_probe(struct iio_dev *indio_dev)
 	if (err < 0)
 		goto st_press_power_off;
 
-	if (irq > 0) {
+	if (press_data->irq > 0) {
 		err = st_sensors_allocate_trigger(indio_dev,
 						  ST_PRESS_TRIGGER_OPS);
 		if (err < 0)
@@ -746,7 +745,7 @@ int st_press_common_probe(struct iio_dev *indio_dev)
 	return err;
 
 st_press_device_register_error:
-	if (irq > 0)
+	if (press_data->irq > 0)
 		st_sensors_deallocate_trigger(indio_dev);
 st_press_probe_trigger_error:
 	st_press_deallocate_ring(indio_dev);
@@ -764,7 +763,7 @@ void st_press_common_remove(struct iio_dev *indio_dev)
 	st_sensors_power_disable(indio_dev);
 
 	iio_device_unregister(indio_dev);
-	if (press_data->get_irq_data_ready(indio_dev) > 0)
+	if (press_data->irq > 0)
 		st_sensors_deallocate_trigger(indio_dev);
 
 	st_press_deallocate_ring(indio_dev);

include/linux/iio/common/st_sensors.h

@@ -220,7 +220,7 @@ struct st_sensor_settings {
  * num_data_channels: Number of data channels used in buffer.
  * @drdy_int_pin: Redirect DRDY on pin 1 (1) or pin 2 (2).
  * @int_pin_open_drain: Set the interrupt/DRDY to open drain.
- * @get_irq_data_ready: Function to get the IRQ used for data ready signal.
+ * @irq: the IRQ number.
  * @edge_irq: the IRQ triggers on edges and need special handling.
  * @hw_irq_trigger: if we're using the hardware interrupt on the sensor.
  * @hw_timestamp: Latest timestamp from the interrupt handler, when in use.
@@ -244,8 +244,7 @@ struct st_sensor_data {
 
 	u8 drdy_int_pin;
 	bool int_pin_open_drain;
-
-	unsigned int (*get_irq_data_ready) (struct iio_dev *indio_dev);
+	int irq;
 
 	bool edge_irq;
 	bool hw_irq_trigger;