staging:iio: Move adis library out of staging

Now that the adis library no longer depends on the sw_ring buffer implementation
we can move it out of staging.

While we are at it also sort the entries in the iio Kconfig and Makefile to be
in alphabetical order.

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

17 files changed, 37 insertions, 222 deletions

diff --git a/drivers/iio/Kconfig b/drivers/iio/Kconfig
index 65ae734c607d..b2f963be3993 100644
--- a/drivers/iio/Kconfig
+++ b/drivers/iio/Kconfig
@@ -63,11 +63,12 @@ config IIO_CONSUMERS_PER_TRIGGER
 source "drivers/iio/accel/Kconfig"
 source "drivers/iio/adc/Kconfig"
 source "drivers/iio/amplifiers/Kconfig"
-source "drivers/iio/light/Kconfig"
-source "drivers/iio/frequency/Kconfig"
-source "drivers/iio/dac/Kconfig"
 source "drivers/iio/common/Kconfig"
+source "drivers/iio/dac/Kconfig"
+source "drivers/iio/frequency/Kconfig"
 source "drivers/iio/gyro/Kconfig"
+source "drivers/iio/imu/Kconfig"
+source "drivers/iio/light/Kconfig"
 source "drivers/iio/magnetometer/Kconfig"
 
 endif # IIO
diff --git a/drivers/iio/Makefile b/drivers/iio/Makefile
index 31d76a07ec65..a0e8cdd67e4d 100644
--- a/drivers/iio/Makefile
+++ b/drivers/iio/Makefile
@@ -14,9 +14,10 @@ obj-$(CONFIG_IIO_KFIFO_BUF) += kfifo_buf.o
 obj-y += accel/
 obj-y += adc/
 obj-y += amplifiers/
-obj-y += light/
-obj-y += frequency/
-obj-y += dac/
 obj-y += common/
+obj-y += dac/
 obj-y += gyro/
+obj-y += frequency/
+obj-y += imu/
+obj-y += light/
 obj-y += magnetometer/
diff --git a/drivers/iio/imu/Kconfig b/drivers/iio/imu/Kconfig
new file mode 100644
index 000000000000..c24410c873c7
--- /dev/null
+++ b/drivers/iio/imu/Kconfig
@@ -0,0 +1,11 @@
+config IIO_ADIS_LIB
+        tristate
+        help
+          A set of IO helper functions for the Analog Devices ADIS* device family.
+
+config IIO_ADIS_LIB_BUFFER
+        bool
+        select IIO_TRIGGERED_BUFFER
+        help
+          A set of buffer helper functions for the Analog Devices ADIS* device
+          family.
diff --git a/drivers/iio/imu/Makefile b/drivers/iio/imu/Makefile
new file mode 100644
index 000000000000..97676ab5723d
--- /dev/null
+++ b/drivers/iio/imu/Makefile
@@ -0,0 +1,8 @@
+#
+# Makefile for Inertial Measurement Units
+#
+
+adis_lib-y += adis.o
+adis_lib-$(CONFIG_IIO_ADIS_LIB_BUFFER) += adis_trigger.o
+adis_lib-$(CONFIG_IIO_ADIS_LIB_BUFFER) += adis_buffer.o
+obj-$(CONFIG_IIO_ADIS_LIB) += adis_lib.o
diff --git a/drivers/staging/iio/imu/adis.c b/drivers/iio/imu/adis.c
index 0bd21022e4c0..8259b774078f 100644
--- a/drivers/staging/iio/imu/adis.c
+++ b/drivers/iio/imu/adis.c
@@ -20,8 +20,7 @@
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
 #include <linux/iio/buffer.h>
-
-#include "adis.h"
+#include <linux/iio/imu/adis.h>
 
 #define ADIS_MSC_CTRL_DATA_RDY_EN       BIT(2)
 #define ADIS_MSC_CTRL_DATA_RDY_POL_HIGH BIT(1)
diff --git a/drivers/staging/iio/imu/adis_buffer.c b/drivers/iio/imu/adis_buffer.c
index 342758c14d2b..a91b4cbdc73a 100644
--- a/drivers/staging/iio/imu/adis_buffer.c
+++ b/drivers/iio/imu/adis_buffer.c
@@ -18,8 +18,7 @@
 #include <linux/iio/buffer.h>
 #include <linux/iio/trigger_consumer.h>
 #include <linux/iio/triggered_buffer.h>
-
-#include  "adis.h"
+#include <linux/iio/imu/adis.h>
 
 int adis_update_scan_mode(struct iio_dev *indio_dev,
         const unsigned long *scan_mask)
diff --git a/drivers/staging/iio/imu/adis_trigger.c b/drivers/iio/imu/adis_trigger.c
index 3e89b2e83708..5a24c9cac343 100644
--- a/drivers/staging/iio/imu/adis_trigger.c
+++ b/drivers/iio/imu/adis_trigger.c
@@ -14,8 +14,7 @@
 
 #include <linux/iio/iio.h>
 #include <linux/iio/trigger.h>
-
-#include "adis.h"
+#include <linux/iio/imu/adis.h>
 
 static int adis_data_rdy_trigger_set_state(struct iio_trigger *trig,
                                                 bool state)
diff --git a/drivers/staging/iio/accel/adis16201_core.c b/drivers/staging/iio/accel/adis16201_core.c
index 833dd6b73bc3..ccdc8d23f6a3 100644
--- a/drivers/staging/iio/accel/adis16201_core.c
+++ b/drivers/staging/iio/accel/adis16201_core.c
@@ -18,9 +18,9 @@
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
 #include <linux/iio/buffer.h>
+#include <linux/iio/imu/adis.h>
 
 #include "adis16201.h"
-#include "../imu/adis.h"
 
 static const u8 adis16201_addresses[] = {
         [ADIS16201_SCAN_ACC_X] = ADIS16201_XACCL_OFFS,
diff --git a/drivers/staging/iio/accel/adis16203_core.c b/drivers/staging/iio/accel/adis16203_core.c
index f631e578fbd1..202985ea3531 100644
--- a/drivers/staging/iio/accel/adis16203_core.c
+++ b/drivers/staging/iio/accel/adis16203_core.c
@@ -18,9 +18,9 @@
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
 #include <linux/iio/buffer.h>
+#include <linux/iio/imu/adis.h>
 
 #include "adis16203.h"
-#include "../imu/adis.h"
 
 #define DRIVER_NAME             "adis16203"
 
diff --git a/drivers/staging/iio/accel/adis16204_core.c b/drivers/staging/iio/accel/adis16204_core.c
index dbec841ce30c..6dafad67cd23 100644
--- a/drivers/staging/iio/accel/adis16204_core.c
+++ b/drivers/staging/iio/accel/adis16204_core.c
@@ -21,9 +21,9 @@
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
 #include <linux/iio/buffer.h>
+#include <linux/iio/imu/adis.h>
 
 #include "adis16204.h"
-#include "../imu/adis.h"
 
 /* Unique to this driver currently */
 
diff --git a/drivers/staging/iio/accel/adis16209_core.c b/drivers/staging/iio/accel/adis16209_core.c
index f9f9d582b32d..d2921c30a8bb 100644
--- a/drivers/staging/iio/accel/adis16209_core.c
+++ b/drivers/staging/iio/accel/adis16209_core.c
@@ -19,9 +19,9 @@
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
 #include <linux/iio/buffer.h>
+#include <linux/iio/imu/adis.h>
 
 #include "adis16209.h"
-#include "../imu/adis.h"
 
 static const u8 adis16209_addresses[8][1] = {
         [ADIS16209_SCAN_SUPPLY] = { },
diff --git a/drivers/staging/iio/accel/adis16220.h b/drivers/staging/iio/accel/adis16220.h
index 7cc4d2f3ec28..a894ad7fb26d 100644
--- a/drivers/staging/iio/accel/adis16220.h
+++ b/drivers/staging/iio/accel/adis16220.h
@@ -1,7 +1,7 @@
 #ifndef SPI_ADIS16220_H_
 #define SPI_ADIS16220_H_
 
-#include "../imu/adis.h"
+#include <linux/iio/imu/adis.h>
 
 #define ADIS16220_STARTUP_DELAY 220 /* ms */
 
diff --git a/drivers/staging/iio/accel/adis16240_core.c b/drivers/staging/iio/accel/adis16240_core.c
index 3d1a8a9921ad..d098b49cc18b 100644
--- a/drivers/staging/iio/accel/adis16240_core.c
+++ b/drivers/staging/iio/accel/adis16240_core.c
@@ -22,9 +22,9 @@
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
 #include <linux/iio/buffer.h>
+#include <linux/iio/imu/adis.h>
 
 #include "adis16240.h"
-#include "../imu/adis.h"
 
 static ssize_t adis16240_spi_read_signed(struct device *dev,
                 struct device_attribute *attr,
diff --git a/drivers/staging/iio/gyro/adis16260.h b/drivers/staging/iio/gyro/adis16260.h
index ea5eba205bbf..df3c0b7e954a 100644
--- a/drivers/staging/iio/gyro/adis16260.h
+++ b/drivers/staging/iio/gyro/adis16260.h
@@ -2,7 +2,7 @@
 #define SPI_ADIS16260_H_
 
 #include "adis16260_platform_data.h"
-#include "../imu/adis.h"
+#include <linux/iio/imu/adis.h>
 
 #define ADIS16260_STARTUP_DELAY 220 /* ms */
 
diff --git a/drivers/staging/iio/imu/Kconfig b/drivers/staging/iio/imu/Kconfig
index 2c564edeb172..2c2f47de2630 100644
--- a/drivers/staging/iio/imu/Kconfig
+++ b/drivers/staging/iio/imu/Kconfig
@@ -15,15 +15,3 @@ config ADIS16400
           (adis16400 series also have magnetometers).
 
 endmenu
-
-config IIO_ADIS_LIB
-        tristate
-        help
-          A set of IO helper functions for the Analog Devices ADIS* device family.
-
-config IIO_ADIS_LIB_BUFFER
-        bool
-        select IIO_TRIGGERED_BUFFER
-        help
-          A set of buffer helper functions for the Analog Devices ADIS* device
-          family.
diff --git a/drivers/staging/iio/imu/Makefile b/drivers/staging/iio/imu/Makefile
index 65dafba1e5df..3400a13d1522 100644
--- a/drivers/staging/iio/imu/Makefile
+++ b/drivers/staging/iio/imu/Makefile
@@ -5,8 +5,3 @@
 adis16400-y             := adis16400_core.o
 adis16400-$(CONFIG_IIO_BUFFER) += adis16400_ring.o adis16400_trigger.o
 obj-$(CONFIG_ADIS16400) += adis16400.o
-
-adis_lib-y += adis.o
-adis_lib-$(CONFIG_IIO_ADIS_LIB_BUFFER) += adis_trigger.o
-adis_lib-$(CONFIG_IIO_ADIS_LIB_BUFFER) += adis_buffer.o
-obj-$(CONFIG_IIO_ADIS_LIB) += adis_lib.o
diff --git a/drivers/staging/iio/imu/adis.h b/drivers/staging/iio/imu/adis.h
deleted file mode 100644
index 8c3304d44b97..000000000000
--- a/drivers/staging/iio/imu/adis.h
+++ /dev/null
@@ -1,186 +0,0 @@
-/*
- * Common library for ADIS16XXX devices
- *
- * Copyright 2012 Analog Devices Inc.
- *   Author: Lars-Peter Clausen <lars@metafoo.de>
- *
- * Licensed under the GPL-2 or later.
- */
-
-#ifndef __IIO_ADIS_H__
-#define __IIO_ADIS_H__
-
-#include <linux/spi/spi.h>
-#include <linux/interrupt.h>
-#include <linux/iio/types.h>
-
-#define ADIS_WRITE_REG(reg) (0x80 | (reg))
-#define ADIS_READ_REG(reg) (reg)
-
-/**
- * struct adis_data - ADIS chip variant specific data
- * @read_delay: SPI delay for read operations in us
- * @write_delay: SPI delay for write operations in us
- * @glob_cmd_reg: Register address of the GLOB_CMD register
- * @msc_ctrl_reg: Register address of the MSC_CTRL register
- * @diag_stat_reg: Register address of the DIAG_STAT register
- * @status_error_msgs: Array of error messgaes
- * @status_error_mask:
- */
-struct adis_data {
-        unsigned int read_delay;
-        unsigned int write_delay;
-
-        unsigned int glob_cmd_reg;
-        unsigned int msc_ctrl_reg;
-        unsigned int diag_stat_reg;
-
-        unsigned int self_test_mask;
-        unsigned int startup_delay;
-
-        const char * const *status_error_msgs;
-        unsigned int status_error_mask;
-};
-
-struct adis {
-        struct spi_device       *spi;
-        struct iio_trigger      *trig;
-
-        const struct adis_data  *data;
-
-        struct mutex            txrx_lock;
-        struct spi_message      msg;
-        struct spi_transfer     *xfer;
-        void                    *buffer;
-
-        uint8_t                 tx[8] ____cacheline_aligned;
-        uint8_t                 rx[4];
-};
-
-int adis_init(struct adis *adis, struct iio_dev *indio_dev,
-        struct spi_device *spi, const struct adis_data *data);
-int adis_reset(struct adis *adis);
-
-int adis_write_reg_8(struct adis *adis, unsigned int reg, uint8_t val);
-int adis_write_reg_16(struct adis *adis, unsigned int reg, uint16_t val);
-int adis_read_reg_16(struct adis *adis, unsigned int reg, uint16_t *val);
-
-int adis_enable_irq(struct adis *adis, bool enable);
-int adis_check_status(struct adis *adis);
-
-int adis_initial_startup(struct adis *adis);
-
-int adis_single_conversion(struct iio_dev *indio_dev,
-        const struct iio_chan_spec *chan, unsigned int error_mask,
-        int *val);
-
-#define ADIS_VOLTAGE_CHAN(addr, si, chan, name, bits) { \
-        .type = IIO_VOLTAGE, \
-        .indexed = 1, \
-        .channel = (chan), \
-        .extend_name = name, \
-        .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \
-                IIO_CHAN_INFO_SCALE_SEPARATE_BIT, \
-        .address = (addr), \
-        .scan_index = (si), \
-        .scan_type = { \
-                .sign = 'u', \
-                .realbits = (bits), \
-                .storagebits = 16, \
-                .endianness = IIO_BE, \
-        }, \
-}
-
-#define ADIS_SUPPLY_CHAN(addr, si, bits) \
-        ADIS_VOLTAGE_CHAN(addr, si, 0, "supply", bits)
-
-#define ADIS_AUX_ADC_CHAN(addr, si, bits) \
-        ADIS_VOLTAGE_CHAN(addr, si, 1, NULL, bits)
-
-#define ADIS_TEMP_CHAN(addr, si, bits) { \
-        .type = IIO_TEMP, \
-        .indexed = 1, \
-        .channel = 0, \
-        .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \
-                IIO_CHAN_INFO_SCALE_SEPARATE_BIT | \
-                IIO_CHAN_INFO_OFFSET_SEPARATE_BIT, \
-        .address = (addr), \
-        .scan_index = (si), \
-        .scan_type = { \
-                .sign = 'u', \
-                .realbits = (bits), \
-                .storagebits = 16, \
-                .endianness = IIO_BE, \
-        }, \
-}
-
-#define ADIS_MOD_CHAN(_type, mod, addr, si, info, bits) { \
-        .type = (_type), \
-        .modified = 1, \
-        .channel2 = IIO_MOD_ ## mod, \
-        .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \
-                 IIO_CHAN_INFO_SCALE_SHARED_BIT | \
-                 info, \
-        .address = (addr), \
-        .scan_index = (si), \
-        .scan_type = { \
-                .sign = 's', \
-                .realbits = (bits), \
-                .storagebits = 16, \
-                .endianness = IIO_BE, \
-        }, \
-}
-
-#define ADIS_ACCEL_CHAN(mod, addr, si, info, bits) \
-        ADIS_MOD_CHAN(IIO_ACCEL, mod, addr, si, info, bits)
-
-#define ADIS_GYRO_CHAN(mod, addr, si, info, bits) \
-        ADIS_MOD_CHAN(IIO_ANGL_VEL, mod, addr, si, info, bits)
-
-#define ADIS_INCLI_CHAN(mod, addr, si, info, bits) \
-        ADIS_MOD_CHAN(IIO_INCLI, mod, addr, si, info, bits)
-
-#define ADIS_ROT_CHAN(mod, addr, si, info, bits) \
-        ADIS_MOD_CHAN(IIO_ROT, mod, addr, si, info, bits)
-
-#ifdef CONFIG_IIO_ADIS_LIB_BUFFER
-
-int adis_setup_buffer_and_trigger(struct adis *adis,
-        struct iio_dev *indio_dev, irqreturn_t (*trigger_handler)(int, void *));
-void adis_cleanup_buffer_and_trigger(struct adis *adis,
-        struct iio_dev *indio_dev);
-
-int adis_probe_trigger(struct adis *adis, struct iio_dev *indio_dev);
-void adis_remove_trigger(struct adis *adis);
-
-int adis_update_scan_mode(struct iio_dev *indio_dev,
-        const unsigned long *scan_mask);
-
-#else /* CONFIG_IIO_BUFFER */
-
-static inline int adis_setup_buffer_and_trigger(struct adis *adis,
-        struct iio_dev *indio_dev, irqreturn_t (*trigger_handler)(int, void *))
-{
-        return 0;
-}
-
-static inline void adis_cleanup_buffer_and_trigger(struct adis *adis,
-        struct iio_dev *indio_dev)
-{
-}
-
-static inline int adis_probe_trigger(struct adis *adis,
-        struct iio_dev *indio_dev)
-{
-        return 0;
-}
-
-static inline void adis_remove_trigger(struct adis *adis)
-{
-}
-
-#define adis_update_scan_mode NULL
-
-#endif /* CONFIG_IIO_BUFFER */
-
-#endif