staging:iio:adis16130: Move out of staging

The adis16130 driver is fairly simple and it a good shape now, so move it out of
staging. Remove an outdated FIXME along the way.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

3 files changed, 0 insertions, 218 deletions

diff --git a/drivers/staging/iio/gyro/Kconfig b/drivers/staging/iio/gyro/Kconfig
index 836066287192..b4333715536e 100644
--- a/drivers/staging/iio/gyro/Kconfig
+++ b/drivers/staging/iio/gyro/Kconfig
@@ -10,13 +10,6 @@ config ADIS16060
 	  Say yes here to build support for Analog Devices adis16060 wide bandwidth
 	  yaw rate gyroscope with SPI.
 
-config ADIS16130
-	tristate "Analog Devices ADIS16130 High Precision Angular Rate Sensor driver"
-	depends on SPI
-	help
-	  Say yes here to build support for Analog Devices ADIS16130 High Precision
-	  Angular Rate Sensor driver.
-
 config ADIS16260
 	tristate "Analog Devices ADIS16260 Digital Gyroscope Sensor SPI driver"
 	depends on SPI
diff --git a/drivers/staging/iio/gyro/Makefile b/drivers/staging/iio/gyro/Makefile
index 98e650061a3a..975f95b141da 100644
--- a/drivers/staging/iio/gyro/Makefile
+++ b/drivers/staging/iio/gyro/Makefile
@@ -5,8 +5,5 @@
 adis16060-y             := adis16060_core.o
 obj-$(CONFIG_ADIS16060) += adis16060.o
 
-adis16130-y             := adis16130_core.o
-obj-$(CONFIG_ADIS16130) += adis16130.o
-
 adis16260-y             := adis16260_core.o
 obj-$(CONFIG_ADIS16260) += adis16260.o
diff --git a/drivers/staging/iio/gyro/adis16130_core.c b/drivers/staging/iio/gyro/adis16130_core.c
deleted file mode 100644
index 89794350be61..000000000000
--- a/drivers/staging/iio/gyro/adis16130_core.c
+++ /dev/null
@@ -1,208 +0,0 @@
-/*
- * ADIS16130 Digital Output, High Precision Angular Rate Sensor driver
- *
- * Copyright 2010 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <linux/mutex.h>
-#include <linux/kernel.h>
-#include <linux/spi/spi.h>
-#include <linux/module.h>
-
-#include <linux/iio/iio.h>
-
-#define ADIS16130_CON         0x0
-#define ADIS16130_CON_RD      (1 << 6)
-#define ADIS16130_IOP         0x1
-
-/* 1 = data-ready signal low when unread data on all channels; */
-#define ADIS16130_IOP_ALL_RDY (1 << 3)
-#define ADIS16130_IOP_SYNC    (1 << 0) /* 1 = synchronization enabled */
-#define ADIS16130_RATEDATA    0x8 /* Gyroscope output, rate of rotation */
-#define ADIS16130_TEMPDATA    0xA /* Temperature output */
-#define ADIS16130_RATECS      0x28 /* Gyroscope channel setup */
-#define ADIS16130_RATECS_EN   (1 << 3) /* 1 = channel enable; */
-#define ADIS16130_TEMPCS      0x2A /* Temperature channel setup */
-#define ADIS16130_TEMPCS_EN   (1 << 3)
-#define ADIS16130_RATECONV    0x30
-#define ADIS16130_TEMPCONV    0x32
-#define ADIS16130_MODE        0x38
-#define ADIS16130_MODE_24BIT  (1 << 1) /* 1 = 24-bit resolution; */
-
-/**
- * struct adis16130_state - device instance specific data
- * @us:			actual spi_device to write data
- * @buf_lock:		mutex to protect tx and rx
- * @buf:		unified tx/rx buffer
- **/
-struct adis16130_state {
-	struct spi_device		*us;
-	struct mutex			buf_lock;
-	u8				buf[4] ____cacheline_aligned;
-};
-
-static int adis16130_spi_read(struct iio_dev *indio_dev, u8 reg_addr, u32 *val)
-{
-	int ret;
-	struct adis16130_state *st = iio_priv(indio_dev);
-	struct spi_message msg;
-	struct spi_transfer xfer = {
-		.tx_buf = st->buf,
-		.rx_buf = st->buf,
-		.len = 4,
-	};
-
-	mutex_lock(&st->buf_lock);
-
-	st->buf[0] = ADIS16130_CON_RD | reg_addr;
-	st->buf[1] = st->buf[2] = st->buf[3] = 0;
-
-	spi_message_init(&msg);
-	spi_message_add_tail(&xfer, &msg);
-	ret = spi_sync(st->us, &msg);
-
-	if (ret == 0)
-		*val = (st->buf[1] << 16) | (st->buf[2] << 8) | st->buf[3];
-	mutex_unlock(&st->buf_lock);
-
-	return ret;
-}
-
-static int adis16130_read_raw(struct iio_dev *indio_dev,
-			      struct iio_chan_spec const *chan,
-			      int *val, int *val2,
-			      long mask)
-{
-	int ret;
-	u32 temp;
-
-	switch (mask) {
-	case IIO_CHAN_INFO_RAW:
-		/* Take the iio_dev status lock */
-		mutex_lock(&indio_dev->mlock);
-		ret = adis16130_spi_read(indio_dev, chan->address, &temp);
-		mutex_unlock(&indio_dev->mlock);
-		if (ret)
-			return ret;
-		*val = temp;
-		return IIO_VAL_INT;
-	case IIO_CHAN_INFO_SCALE:
-		switch (chan->type) {
-		case IIO_ANGL_VEL:
-			/* 0 degree = 838860, 250 degree = 14260608 */
-			*val = 250;
-			*val2 = 336440817; /* RAD_TO_DEGREE(14260608 - 8388608) */
-			return IIO_VAL_FRACTIONAL;
-		case IIO_TEMP:
-			/* 0C = 8036283, 105C = 9516048 */
-			*val = 105000;
-			*val2 = 9516048 - 8036283;
-			return IIO_VAL_FRACTIONAL;
-		default:
-			return -EINVAL;
-		}
-		break;
-	case IIO_CHAN_INFO_OFFSET:
-		switch (chan->type) {
-		case IIO_ANGL_VEL:
-			*val = -8388608;
-			return IIO_VAL_INT;
-		case IIO_TEMP:
-			*val = -8036283;
-			return IIO_VAL_INT;
-		default:
-			return -EINVAL;
-		}
-		break;
-	}
-
-	return -EINVAL;
-}
-
-static const struct iio_chan_spec adis16130_channels[] = {
-	{
-		.type = IIO_ANGL_VEL,
-		.modified = 1,
-		.channel2 = IIO_MOD_Z,
-		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
-			BIT(IIO_CHAN_INFO_SCALE) |
-			BIT(IIO_CHAN_INFO_OFFSET),
-		.address = ADIS16130_RATEDATA,
-	}, {
-		.type = IIO_TEMP,
-		.indexed = 1,
-		.channel = 0,
-		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
-			BIT(IIO_CHAN_INFO_SCALE) |
-			BIT(IIO_CHAN_INFO_OFFSET),
-		.address = ADIS16130_TEMPDATA,
-	}
-};
-
-static const struct iio_info adis16130_info = {
-	.read_raw = &adis16130_read_raw,
-	.driver_module = THIS_MODULE,
-};
-
-static int adis16130_probe(struct spi_device *spi)
-{
-	int ret;
-	struct adis16130_state *st;
-	struct iio_dev *indio_dev;
-
-	/* setup the industrialio driver allocated elements */
-	indio_dev = iio_device_alloc(sizeof(*st));
-	if (indio_dev == NULL) {
-		ret = -ENOMEM;
-		goto error_ret;
-	}
-	st = iio_priv(indio_dev);
-	/* this is only used for removal purposes */
-	spi_set_drvdata(spi, indio_dev);
-	st->us = spi;
-	mutex_init(&st->buf_lock);
-	indio_dev->name = spi->dev.driver->name;
-	indio_dev->channels = adis16130_channels;
-	indio_dev->num_channels = ARRAY_SIZE(adis16130_channels);
-	indio_dev->dev.parent = &spi->dev;
-	indio_dev->info = &adis16130_info;
-	indio_dev->modes = INDIO_DIRECT_MODE;
-
-	ret = iio_device_register(indio_dev);
-	if (ret)
-		goto error_free_dev;
-
-	return 0;
-
-error_free_dev:
-	iio_device_free(indio_dev);
-
-error_ret:
-	return ret;
-}
-
-/* fixme, confirm ordering in this function */
-static int adis16130_remove(struct spi_device *spi)
-{
-	iio_device_unregister(spi_get_drvdata(spi));
-	iio_device_free(spi_get_drvdata(spi));
-
-	return 0;
-}
-
-static struct spi_driver adis16130_driver = {
-	.driver = {
-		.name = "adis16130",
-		.owner = THIS_MODULE,
-	},
-	.probe = adis16130_probe,
-	.remove = adis16130_remove,
-};
-module_spi_driver(adis16130_driver);
-
-MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
-MODULE_DESCRIPTION("Analog Devices ADIS16130 High Precision Angular Rate");
-MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("spi:adis16130");