staging:iio:buffering cleanup ring_buffer_register_ex naming.

Now the old method is long gone, lets get rid of the _ex and whilst
here remove the unused id parameter.

Trivial mechanical change, but will break any out of tree drivers
using this.

V2: rebase
V3: rebase

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/iio/accel/adis16201_core.c b/drivers/staging/iio/accel/adis16201_core.c
index d16c459..30ac7e2 100644
--- a/drivers/staging/iio/accel/adis16201_core.c
+++ b/drivers/staging/iio/accel/adis16201_core.c
@@ -497,9 +497,9 @@
 		goto error_unreg_ring_funcs;
 	regdone = 1;
 
-	ret = iio_ring_buffer_register_ex(indio_dev, 0,
-					  adis16201_channels,
-					  ARRAY_SIZE(adis16201_channels));
+	ret = iio_ring_buffer_register(indio_dev,
+				       adis16201_channels,
+				       ARRAY_SIZE(adis16201_channels));
 	if (ret) {
 		printk(KERN_ERR "failed to initialize the ring\n");
 		goto error_unreg_ring_funcs;
diff --git a/drivers/staging/iio/accel/adis16203_core.c b/drivers/staging/iio/accel/adis16203_core.c
index cc3869b..dc52462 100644
--- a/drivers/staging/iio/accel/adis16203_core.c
+++ b/drivers/staging/iio/accel/adis16203_core.c
@@ -451,9 +451,9 @@
 		goto error_unreg_ring_funcs;
 	regdone = 1;
 
-	ret = iio_ring_buffer_register_ex(indio_dev, 0,
-					  adis16203_channels,
-					  ARRAY_SIZE(adis16203_channels));
+	ret = iio_ring_buffer_register(indio_dev,
+				       adis16203_channels,
+				       ARRAY_SIZE(adis16203_channels));
 	if (ret) {
 		printk(KERN_ERR "failed to initialize the ring\n");
 		goto error_unreg_ring_funcs;
diff --git a/drivers/staging/iio/accel/adis16204_core.c b/drivers/staging/iio/accel/adis16204_core.c
index 3cc229d..dedccdd 100644
--- a/drivers/staging/iio/accel/adis16204_core.c
+++ b/drivers/staging/iio/accel/adis16204_core.c
@@ -526,9 +526,9 @@
 		goto error_unreg_ring_funcs;
 	regdone = 1;
 
-	ret = iio_ring_buffer_register_ex(indio_dev, 0,
-					  adis16204_channels,
-					  ARRAY_SIZE(adis16204_channels));
+	ret = iio_ring_buffer_register(indio_dev,
+				       adis16204_channels,
+				       ARRAY_SIZE(adis16204_channels));
 	if (ret) {
 		printk(KERN_ERR "failed to initialize the ring\n");
 		goto error_unreg_ring_funcs;
diff --git a/drivers/staging/iio/accel/adis16209_core.c b/drivers/staging/iio/accel/adis16209_core.c
index fa4c6c0..d8f4b27 100644
--- a/drivers/staging/iio/accel/adis16209_core.c
+++ b/drivers/staging/iio/accel/adis16209_core.c
@@ -499,9 +499,9 @@
 		goto error_unreg_ring_funcs;
 	regdone = 1;
 
-	ret = iio_ring_buffer_register_ex(indio_dev, 0,
-					  adis16209_channels,
-					  ARRAY_SIZE(adis16209_channels));
+	ret = iio_ring_buffer_register(indio_dev,
+				       adis16209_channels,
+				       ARRAY_SIZE(adis16209_channels));
 	if (ret) {
 		printk(KERN_ERR "failed to initialize the ring\n");
 		goto error_unreg_ring_funcs;
diff --git a/drivers/staging/iio/accel/adis16240_core.c b/drivers/staging/iio/accel/adis16240_core.c
index 2c6ced0..f6fa0ba 100644
--- a/drivers/staging/iio/accel/adis16240_core.c
+++ b/drivers/staging/iio/accel/adis16240_core.c
@@ -552,9 +552,9 @@
 		goto error_unreg_ring_funcs;
 	regdone = 1;
 
-	ret = iio_ring_buffer_register_ex(indio_dev, 0,
-					  adis16240_channels,
-					  ARRAY_SIZE(adis16240_channels));
+	ret = iio_ring_buffer_register(indio_dev,
+				       adis16240_channels,
+				       ARRAY_SIZE(adis16240_channels));
 	if (ret) {
 		printk(KERN_ERR "failed to initialize the ring\n");
 		goto error_unreg_ring_funcs;
diff --git a/drivers/staging/iio/accel/lis3l02dq_core.c b/drivers/staging/iio/accel/lis3l02dq_core.c
index b57bf50..ed07538 100644
--- a/drivers/staging/iio/accel/lis3l02dq_core.c
+++ b/drivers/staging/iio/accel/lis3l02dq_core.c
@@ -695,9 +695,9 @@
 		goto error_unreg_ring_funcs;
 	regdone = 1;
 
-	ret = iio_ring_buffer_register_ex(indio_dev, 0,
-					  lis3l02dq_channels,
-					  ARRAY_SIZE(lis3l02dq_channels));
+	ret = iio_ring_buffer_register(indio_dev,
+				       lis3l02dq_channels,
+				       ARRAY_SIZE(lis3l02dq_channels));
 	if (ret) {
 		printk(KERN_ERR "failed to initialize the ring\n");
 		goto error_unreg_ring_funcs;
diff --git a/drivers/staging/iio/accel/sca3000_core.c b/drivers/staging/iio/accel/sca3000_core.c
index 4490200..8281d66 100644
--- a/drivers/staging/iio/accel/sca3000_core.c
+++ b/drivers/staging/iio/accel/sca3000_core.c
@@ -1156,9 +1156,9 @@
 	if (ret < 0)
 		goto error_free_dev;
 	regdone = 1;
-	ret = iio_ring_buffer_register_ex(indio_dev, 0,
-					  sca3000_channels,
-					  ARRAY_SIZE(sca3000_channels));
+	ret = iio_ring_buffer_register(indio_dev,
+				       sca3000_channels,
+				       ARRAY_SIZE(sca3000_channels));
 	if (ret < 0)
 		goto error_unregister_dev;
 	if (spi->irq && gpio_is_valid(irq_to_gpio(spi->irq)) > 0) {
diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c
index 6e1656e..80b067c 100644
--- a/drivers/staging/iio/adc/ad7192.c
+++ b/drivers/staging/iio/adc/ad7192.c
@@ -1098,9 +1098,9 @@
 	if (ret)
 		goto error_unreg_ring;
 
-	ret = iio_ring_buffer_register_ex(indio_dev, 0,
-					  indio_dev->channels,
-					  indio_dev->num_channels);
+	ret = iio_ring_buffer_register(indio_dev,
+				       indio_dev->channels,
+				       indio_dev->num_channels);
 	if (ret)
 		goto error_remove_trigger;
 
diff --git a/drivers/staging/iio/adc/ad7298_core.c b/drivers/staging/iio/adc/ad7298_core.c
index 9c50b02..6487359 100644
--- a/drivers/staging/iio/adc/ad7298_core.c
+++ b/drivers/staging/iio/adc/ad7298_core.c
@@ -223,9 +223,9 @@
 		goto error_disable_reg;
 	regdone = 1;
 
-	ret = iio_ring_buffer_register_ex(indio_dev, 0,
-					  &ad7298_channels[1], /* skip temp0 */
-					  ARRAY_SIZE(ad7298_channels) - 1);
+	ret = iio_ring_buffer_register(indio_dev,
+				       &ad7298_channels[1], /* skip temp0 */
+				       ARRAY_SIZE(ad7298_channels) - 1);
 	if (ret)
 		goto error_cleanup_ring;
 
diff --git a/drivers/staging/iio/adc/ad7476_core.c b/drivers/staging/iio/adc/ad7476_core.c
index bea9e82..f0393d5 100644
--- a/drivers/staging/iio/adc/ad7476_core.c
+++ b/drivers/staging/iio/adc/ad7476_core.c
@@ -186,9 +186,9 @@
 	if (ret)
 		goto error_disable_reg;
 
-	ret = iio_ring_buffer_register_ex(indio_dev, 0,
-					  st->chip_info->channel,
-					  ARRAY_SIZE(st->chip_info->channel));
+	ret = iio_ring_buffer_register(indio_dev,
+				       st->chip_info->channel,
+				       ARRAY_SIZE(st->chip_info->channel));
 	if (ret)
 		goto error_cleanup_ring;
 	return 0;
diff --git a/drivers/staging/iio/adc/ad7606_core.c b/drivers/staging/iio/adc/ad7606_core.c
index 7aef4d5..7b43da9 100644
--- a/drivers/staging/iio/adc/ad7606_core.c
+++ b/drivers/staging/iio/adc/ad7606_core.c
@@ -506,9 +506,9 @@
 		goto error_free_irq;
 	regdone = 1;
 
-	ret = iio_ring_buffer_register_ex(indio_dev, 0,
-					  indio_dev->channels,
-					  indio_dev->num_channels);
+	ret = iio_ring_buffer_register(indio_dev,
+				       indio_dev->channels,
+				       indio_dev->num_channels);
 	if (ret)
 		goto error_cleanup_ring;
 
diff --git a/drivers/staging/iio/adc/ad7793.c b/drivers/staging/iio/adc/ad7793.c
index ed993e3..38095eb 100644
--- a/drivers/staging/iio/adc/ad7793.c
+++ b/drivers/staging/iio/adc/ad7793.c
@@ -895,9 +895,9 @@
 	if (ret)
 		goto error_unreg_ring;
 
-	ret = iio_ring_buffer_register_ex(indio_dev, 0,
-					  indio_dev->channels,
-					  indio_dev->num_channels);
+	ret = iio_ring_buffer_register(indio_dev,
+				       indio_dev->channels,
+				       indio_dev->num_channels);
 	if (ret)
 		goto error_remove_trigger;
 
diff --git a/drivers/staging/iio/adc/ad7887_core.c b/drivers/staging/iio/adc/ad7887_core.c
index 184ead1..e71d088 100644
--- a/drivers/staging/iio/adc/ad7887_core.c
+++ b/drivers/staging/iio/adc/ad7887_core.c
@@ -194,9 +194,9 @@
 		goto error_disable_reg;
 	regdone = 1;
 
-	ret = iio_ring_buffer_register_ex(indio_dev, 0,
-					  indio_dev->channels,
-					  indio_dev->num_channels);
+	ret = iio_ring_buffer_register(indio_dev,
+				       indio_dev->channels,
+				       indio_dev->num_channels);
 	if (ret)
 		goto error_cleanup_ring;
 	return 0;
diff --git a/drivers/staging/iio/adc/ad799x_core.c b/drivers/staging/iio/adc/ad799x_core.c
index b21e868..299183c 100644
--- a/drivers/staging/iio/adc/ad799x_core.c
+++ b/drivers/staging/iio/adc/ad799x_core.c
@@ -706,9 +706,9 @@
 		goto error_cleanup_ring;
 	regdone = 1;
 
-	ret = iio_ring_buffer_register_ex(indio_dev, 0,
-					  indio_dev->channels,
-					  indio_dev->num_channels);
+	ret = iio_ring_buffer_register(indio_dev,
+				       indio_dev->channels,
+				       indio_dev->num_channels);
 	if (ret)
 		goto error_cleanup_ring;
 
diff --git a/drivers/staging/iio/adc/max1363_core.c b/drivers/staging/iio/adc/max1363_core.c
index 85fb74b..e921efa 100644
--- a/drivers/staging/iio/adc/max1363_core.c
+++ b/drivers/staging/iio/adc/max1363_core.c
@@ -1313,9 +1313,9 @@
 	if (ret)
 		goto error_cleanup_ring;
 	regdone = 1;
-	ret = iio_ring_buffer_register_ex(indio_dev, 0,
-					  st->chip_info->channels,
-					  st->chip_info->num_channels);
+	ret = iio_ring_buffer_register(indio_dev,
+				       st->chip_info->channels,
+				       st->chip_info->num_channels);
 	if (ret)
 		goto error_cleanup_ring;
 
diff --git a/drivers/staging/iio/gyro/adis16260_core.c b/drivers/staging/iio/gyro/adis16260_core.c
index 5541cdd..ed3b6db 100644
--- a/drivers/staging/iio/gyro/adis16260_core.c
+++ b/drivers/staging/iio/gyro/adis16260_core.c
@@ -629,9 +629,9 @@
 	if (ret)
 		goto error_unreg_ring_funcs;
 	regdone = 1;
-	ret = iio_ring_buffer_register_ex(indio_dev, 0,
-					  indio_dev->channels,
-					  ARRAY_SIZE(adis16260_channels_x));
+	ret = iio_ring_buffer_register(indio_dev,
+				       indio_dev->channels,
+				       ARRAY_SIZE(adis16260_channels_x));
 	if (ret) {
 		printk(KERN_ERR "failed to initialize the ring\n");
 		goto error_unreg_ring_funcs;
diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c
index 8668291..1c1cd8e 100644
--- a/drivers/staging/iio/impedance-analyzer/ad5933.c
+++ b/drivers/staging/iio/impedance-analyzer/ad5933.c
@@ -733,7 +733,7 @@
 	regdone = 1;
 
 	/* skip temp0_input, register in0_(real|imag)_raw */
-	ret = iio_ring_buffer_register_ex(indio_dev, 0, &ad5933_channels[1], 2);
+	ret = iio_ring_buffer_register(indio_dev, &ad5933_channels[1], 2);
 	if (ret)
 		goto error_unreg_ring;
 
diff --git a/drivers/staging/iio/imu/adis16400_core.c b/drivers/staging/iio/imu/adis16400_core.c
index 21c1a07..3e8fcd3 100644
--- a/drivers/staging/iio/imu/adis16400_core.c
+++ b/drivers/staging/iio/imu/adis16400_core.c
@@ -853,9 +853,9 @@
 		goto error_unreg_ring_funcs;
 	regdone = 1;
 
-	ret = iio_ring_buffer_register_ex(indio_dev, 0,
-					  st->variant->channels,
-					  st->variant->num_channels);
+	ret = iio_ring_buffer_register(indio_dev,
+				       st->variant->channels,
+				       st->variant->num_channels);
 	if (ret) {
 		dev_err(&spi->dev, "failed to initialize the ring\n");
 		goto error_unreg_ring_funcs;
diff --git a/drivers/staging/iio/industrialio-ring.c b/drivers/staging/iio/industrialio-ring.c
index 1607293..947f542 100644
--- a/drivers/staging/iio/industrialio-ring.c
+++ b/drivers/staging/iio/industrialio-ring.c
@@ -277,9 +277,9 @@
 				   &iio_scan_el_dummy_group);
 }
 
-int iio_ring_buffer_register_ex(struct iio_dev *indio_dev, int id,
-				const struct iio_chan_spec *channels,
-				int num_channels)
+int iio_ring_buffer_register(struct iio_dev *indio_dev,
+			     const struct iio_chan_spec *channels,
+			     int num_channels)
 {
 	struct iio_ring_buffer *ring = indio_dev->ring;
 	int ret, i;
@@ -325,7 +325,7 @@
 error_ret:
 	return ret;
 }
-EXPORT_SYMBOL(iio_ring_buffer_register_ex);
+EXPORT_SYMBOL(iio_ring_buffer_register);
 
 void iio_ring_buffer_unregister(struct iio_dev *indio_dev)
 {
diff --git a/drivers/staging/iio/meter/ade7758_core.c b/drivers/staging/iio/meter/ade7758_core.c
index 92c6dcc..77bd276 100644
--- a/drivers/staging/iio/meter/ade7758_core.c
+++ b/drivers/staging/iio/meter/ade7758_core.c
@@ -780,9 +780,9 @@
 		goto error_unreg_ring_funcs;
 	regdone = 1;
 
-	ret = iio_ring_buffer_register_ex(indio_dev, 0,
-					  &ade7758_channels[0],
-					  ARRAY_SIZE(ade7758_channels));
+	ret = iio_ring_buffer_register(indio_dev,
+				       &ade7758_channels[0],
+				       ARRAY_SIZE(ade7758_channels));
 	if (ret) {
 		dev_err(&spi->dev, "failed to initialize the ring\n");
 		goto error_unreg_ring_funcs;
diff --git a/drivers/staging/iio/ring_generic.h b/drivers/staging/iio/ring_generic.h
index 37ab4db..25aacf3 100644
--- a/drivers/staging/iio/ring_generic.h
+++ b/drivers/staging/iio/ring_generic.h
@@ -206,13 +206,12 @@
 	container_of(d, struct iio_ring_buffer, dev)
 
 /**
- * iio_ring_buffer_register_ex() - register the buffer with IIO core
+ * iio_ring_buffer_register() - register the buffer with IIO core
  * @indio_dev: device with the buffer to be registered
- * @id: the id of the buffer (typically 0)
  **/
-int iio_ring_buffer_register_ex(struct iio_dev *indio_dev, int id,
-				const struct iio_chan_spec *channels,
-				int num_channels);
+int iio_ring_buffer_register(struct iio_dev *indio_dev,
+			     const struct iio_chan_spec *channels,
+			     int num_channels);
 
 /**
  * iio_ring_buffer_unregister() - unregister the buffer from IIO core
@@ -265,10 +264,9 @@
 
 #else /* CONFIG_IIO_RING_BUFFER */
 
-static inline int iio_ring_buffer_register_ex(struct iio_dev *indio_dev,
-					      int id,
-					      struct iio_chan_spec *channels,
-					      int num_channels)
+static inline int iio_ring_buffer_register(struct iio_dev *indio_dev,
+					   struct iio_chan_spec *channels,
+					   int num_channels)
 {
 	return 0;
 }