diff options
Diffstat (limited to 'drivers/staging/iio/accel/adis16201_core.c')
| -rw-r--r-- | drivers/staging/iio/accel/adis16201_core.c | 489 |
1 files changed, 213 insertions, 276 deletions
diff --git a/drivers/staging/iio/accel/adis16201_core.c b/drivers/staging/iio/accel/adis16201_core.c index 79b785a0013a..e4c49f00d132 100644 --- a/drivers/staging/iio/accel/adis16201_core.c +++ b/drivers/staging/iio/accel/adis16201_core.c @@ -6,9 +6,6 @@ * Licensed under the GPL-2 or later. */ -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/gpio.h> #include <linux/delay.h> #include <linux/mutex.h> #include <linux/device.h> @@ -16,20 +13,28 @@ #include <linux/spi/spi.h> #include <linux/slab.h> #include <linux/sysfs.h> -#include <linux/list.h> #include "../iio.h" #include "../sysfs.h" +#include "../ring_generic.h" + #include "accel.h" #include "inclinometer.h" -#include "../gyro/gyro.h" #include "../adc/adc.h" #include "adis16201.h" #define DRIVER_NAME "adis16201" -static int adis16201_check_status(struct device *dev); +enum adis16201_chan { + in_supply, + temp, + accel_x, + accel_y, + incli_x, + incli_y, + in_aux, +}; /** * adis16201_spi_write_reg_8() - write single byte to a register @@ -57,18 +62,17 @@ static int adis16201_spi_write_reg_8(struct device *dev, /** * adis16201_spi_write_reg_16() - write 2 bytes to a pair of registers - * @dev: device associated with child of actual device (iio_dev or iio_trig) + * @indio_dev: iio device associated with child of actual device * @reg_address: the address of the lower of the two registers. Second register * is assumed to have address one greater. * @val: value to be written **/ -static int adis16201_spi_write_reg_16(struct device *dev, - u8 lower_reg_address, - u16 value) +static int adis16201_spi_write_reg_16(struct iio_dev *indio_dev, + u8 lower_reg_address, + u16 value) { int ret; struct spi_message msg; - struct iio_dev *indio_dev = dev_get_drvdata(dev); struct adis16201_state *st = iio_dev_get_devdata(indio_dev); struct spi_transfer xfers[] = { { @@ -80,7 +84,6 @@ static int adis16201_spi_write_reg_16(struct device *dev, .tx_buf = st->tx + 2, .bits_per_word = 8, .len = 2, - .cs_change = 1, }, }; @@ -101,17 +104,16 @@ static int adis16201_spi_write_reg_16(struct device *dev, /** * adis16201_spi_read_reg_16() - read 2 bytes from a 16-bit register - * @dev: device associated with child of actual device (iio_dev or iio_trig) + * @indio_dev: iio device associated with child of actual device * @reg_address: the address of the lower of the two registers. Second register * is assumed to have address one greater. * @val: somewhere to pass back the value read **/ -static int adis16201_spi_read_reg_16(struct device *dev, +static int adis16201_spi_read_reg_16(struct iio_dev *indio_dev, u8 lower_reg_address, u16 *val) { struct spi_message msg; - struct iio_dev *indio_dev = dev_get_drvdata(dev); struct adis16201_state *st = iio_dev_get_devdata(indio_dev); int ret; struct spi_transfer xfers[] = { @@ -125,7 +127,6 @@ static int adis16201_spi_read_reg_16(struct device *dev, .rx_buf = st->rx, .bits_per_word = 8, .len = 2, - .cs_change = 1, .delay_usecs = 20, }, }; @@ -150,160 +151,6 @@ error_ret: return ret; } -static ssize_t adis16201_read_12bit_unsigned(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - int ret; - u16 val = 0; - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - - ret = adis16201_spi_read_reg_16(dev, this_attr->address, &val); - if (ret) - return ret; - - if (val & ADIS16201_ERROR_ACTIVE) { - ret = adis16201_check_status(dev); - if (ret) - return ret; - } - - return sprintf(buf, "%u\n", val & 0x0FFF); -} - -static ssize_t adis16201_read_temp(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - ssize_t ret; - u16 val; - - /* Take the iio_dev status lock */ - mutex_lock(&indio_dev->mlock); - - ret = adis16201_spi_read_reg_16(dev, ADIS16201_TEMP_OUT, (u16 *)&val); - if (ret) - goto error_ret; - - if (val & ADIS16201_ERROR_ACTIVE) { - ret = adis16201_check_status(dev); - if (ret) - goto error_ret; - } - - val &= 0xFFF; - ret = sprintf(buf, "%d\n", val); - -error_ret: - mutex_unlock(&indio_dev->mlock); - return ret; -} - -static ssize_t adis16201_read_9bit_signed(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - s16 val = 0; - ssize_t ret; - - mutex_lock(&indio_dev->mlock); - - ret = adis16201_spi_read_reg_16(dev, this_attr->address, (u16 *)&val); - if (!ret) { - if (val & ADIS16201_ERROR_ACTIVE) { - ret = adis16201_check_status(dev); - if (ret) - goto error_ret; - } - val = ((s16)(val << 7) >> 7); - ret = sprintf(buf, "%d\n", val); - } - -error_ret: - mutex_unlock(&indio_dev->mlock); - - return ret; -} - -static ssize_t adis16201_read_12bit_signed(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - s16 val = 0; - ssize_t ret; - - mutex_lock(&indio_dev->mlock); - - ret = adis16201_spi_read_reg_16(dev, this_attr->address, (u16 *)&val); - if (!ret) { - if (val & ADIS16201_ERROR_ACTIVE) { - ret = adis16201_check_status(dev); - if (ret) - goto error_ret; - } - - val = ((s16)(val << 4) >> 4); - ret = sprintf(buf, "%d\n", val); - } - -error_ret: - mutex_unlock(&indio_dev->mlock); - - return ret; -} - -static ssize_t adis16201_read_14bit_signed(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - s16 val = 0; - ssize_t ret; - - mutex_lock(&indio_dev->mlock); - - ret = adis16201_spi_read_reg_16(dev, this_attr->address, (u16 *)&val); - if (!ret) { - if (val & ADIS16201_ERROR_ACTIVE) { - ret = adis16201_check_status(dev); - if (ret) - goto error_ret; - } - - val = ((s16)(val << 2) >> 2); - ret = sprintf(buf, "%d\n", val); - } - -error_ret: - mutex_unlock(&indio_dev->mlock); - - return ret; -} - -static ssize_t adis16201_write_16bit(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t len) -{ - struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); - int ret; - long val; - - ret = strict_strtol(buf, 10, &val); - if (ret) - goto error_ret; - ret = adis16201_spi_write_reg_16(dev, this_attr->address, val); - -error_ret: - return ret ? ret : len; -} - static int adis16201_reset(struct device *dev) { int ret; @@ -331,12 +178,12 @@ static ssize_t adis16201_write_reset(struct device *dev, return -EINVAL; } -int adis16201_set_irq(struct device *dev, bool enable) +int adis16201_set_irq(struct iio_dev *indio_dev, bool enable) { int ret = 0; u16 msc; - ret = adis16201_spi_read_reg_16(dev, ADIS16201_MSC_CTRL, &msc); + ret = adis16201_spi_read_reg_16(indio_dev, ADIS16201_MSC_CTRL, &msc); if (ret) goto error_ret; @@ -347,20 +194,21 @@ int adis16201_set_irq(struct device *dev, bool enable) else msc &= ~ADIS16201_MSC_CTRL_DATA_RDY_EN; - ret = adis16201_spi_write_reg_16(dev, ADIS16201_MSC_CTRL, msc); + ret = adis16201_spi_write_reg_16(indio_dev, ADIS16201_MSC_CTRL, msc); error_ret: return ret; } -static int adis16201_check_status(struct device *dev) +static int adis16201_check_status(struct iio_dev *indio_dev) { u16 status; int ret; - ret = adis16201_spi_read_reg_16(dev, ADIS16201_DIAG_STAT, &status); + ret = adis16201_spi_read_reg_16(indio_dev, + ADIS16201_DIAG_STAT, &status); if (ret < 0) { - dev_err(dev, "Reading status failed\n"); + dev_err(&indio_dev->dev, "Reading status failed\n"); goto error_ret; } ret = status & 0xF; @@ -368,30 +216,30 @@ static int adis16201_check_status(struct device *dev) ret = -EFAULT; if (status & ADIS16201_DIAG_STAT_SPI_FAIL) - dev_err(dev, "SPI failure\n"); + dev_err(&indio_dev->dev, "SPI failure\n"); if (status & ADIS16201_DIAG_STAT_FLASH_UPT) - dev_err(dev, "Flash update failed\n"); + dev_err(&indio_dev->dev, "Flash update failed\n"); if (status & ADIS16201_DIAG_STAT_POWER_HIGH) - dev_err(dev, "Power supply above 3.625V\n"); + dev_err(&indio_dev->dev, "Power supply above 3.625V\n"); if (status & ADIS16201_DIAG_STAT_POWER_LOW) - dev_err(dev, "Power supply below 3.15V\n"); + dev_err(&indio_dev->dev, "Power supply below 3.15V\n"); error_ret: return ret; } -static int adis16201_self_test(struct device *dev) +static int adis16201_self_test(struct iio_dev *indio_dev) { int ret; - ret = adis16201_spi_write_reg_16(dev, + ret = adis16201_spi_write_reg_16(indio_dev, ADIS16201_MSC_CTRL, ADIS16201_MSC_CTRL_SELF_TEST_EN); if (ret) { - dev_err(dev, "problem starting self test"); + dev_err(&indio_dev->dev, "problem starting self test"); goto err_ret; } - ret = adis16201_check_status(dev); + ret = adis16201_check_status(indio_dev); err_ret: return ret; @@ -403,26 +251,26 @@ static int adis16201_initial_setup(struct adis16201_state *st) struct device *dev = &st->indio_dev->dev; /* Disable IRQ */ - ret = adis16201_set_irq(dev, false); + ret = adis16201_set_irq(st->indio_dev, false); if (ret) { dev_err(dev, "disable irq failed"); goto err_ret; } /* Do self test */ - ret = adis16201_self_test(dev); + ret = adis16201_self_test(st->indio_dev); if (ret) { dev_err(dev, "self test failure"); goto err_ret; } /* Read status register to check the result */ - ret = adis16201_check_status(dev); + ret = adis16201_check_status(st->indio_dev); if (ret) { adis16201_reset(dev); dev_err(dev, "device not playing ball -> reset"); msleep(ADIS16201_STARTUP_DELAY); - ret = adis16201_check_status(dev); + ret = adis16201_check_status(st->indio_dev); if (ret) { dev_err(dev, "giving up"); goto err_ret; @@ -436,77 +284,172 @@ err_ret: return ret; } -static IIO_DEV_ATTR_IN_NAMED_RAW(0, supply, adis16201_read_12bit_unsigned, - ADIS16201_SUPPLY_OUT); -static IIO_CONST_ATTR(in0_supply_scale, "0.00122"); -static IIO_DEV_ATTR_IN_RAW(1, adis16201_read_12bit_unsigned, - ADIS16201_AUX_ADC); -static IIO_CONST_ATTR(in1_scale, "0.00061"); - -static IIO_DEV_ATTR_ACCEL_X(adis16201_read_14bit_signed, - ADIS16201_XACCL_OUT); -static IIO_DEV_ATTR_ACCEL_Y(adis16201_read_14bit_signed, - ADIS16201_YACCL_OUT); -static IIO_DEV_ATTR_ACCEL_X_OFFSET(S_IWUSR | S_IRUGO, - adis16201_read_12bit_signed, - adis16201_write_16bit, - ADIS16201_XACCL_OFFS); -static IIO_DEV_ATTR_ACCEL_Y_OFFSET(S_IWUSR | S_IRUGO, - adis16201_read_12bit_signed, - adis16201_write_16bit, - ADIS16201_YACCL_OFFS); -static IIO_CONST_ATTR(accel_scale, "0.4625"); - -static IIO_DEV_ATTR_INCLI_X(adis16201_read_14bit_signed, - ADIS16201_XINCL_OUT); -static IIO_DEV_ATTR_INCLI_Y(adis16201_read_14bit_signed, - ADIS16201_YINCL_OUT); -static IIO_DEV_ATTR_INCLI_X_OFFSET(S_IWUSR | S_IRUGO, - adis16201_read_9bit_signed, - adis16201_write_16bit, - ADIS16201_XACCL_OFFS); -static IIO_DEV_ATTR_INCLI_Y_OFFSET(S_IWUSR | S_IRUGO, - adis16201_read_9bit_signed, - adis16201_write_16bit, - ADIS16201_YACCL_OFFS); -static IIO_CONST_ATTR(incli_scale, "0.1"); - -static IIO_DEV_ATTR_TEMP_RAW(adis16201_read_temp); -static IIO_CONST_ATTR(temp_offset, "25"); -static IIO_CONST_ATTR(temp_scale, "-0.47"); +static u8 adis16201_addresses[7][2] = { + [in_supply] = { ADIS16201_SUPPLY_OUT, }, + [temp] = { ADIS16201_TEMP_OUT }, + [accel_x] = { ADIS16201_XACCL_OUT, ADIS16201_XACCL_OFFS }, + [accel_y] = { ADIS16201_YACCL_OUT, ADIS16201_YACCL_OFFS }, + [in_aux] = { ADIS16201_AUX_ADC }, + [incli_x] = { ADIS16201_XINCL_OUT }, + [incli_y] = { ADIS16201_YINCL_OUT }, +}; -static IIO_DEVICE_ATTR(reset, S_IWUSR, NULL, adis16201_write_reset, 0); +static int adis16201_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int *val, int *val2, + long mask) +{ + int ret; + int bits; + u8 addr; + s16 val16; + + switch (mask) { + case 0: + mutex_lock(&indio_dev->mlock); + addr = adis16201_addresses[chan->address][0]; + ret = adis16201_spi_read_reg_16(indio_dev, addr, &val16); + if (ret) + return ret; -static IIO_CONST_ATTR(name, "adis16201"); + if (val16 & ADIS16201_ERROR_ACTIVE) { + ret = adis16201_check_status(indio_dev); + if (ret) + return ret; + } + val16 = val16 & ((1 << chan->scan_type.realbits) - 1); + if (chan->scan_type.sign == 's') + val16 = (s16)(val16 << + (16 - chan->scan_type.realbits)) >> + (16 - chan->scan_type.realbits); + *val = val16; + mutex_unlock(&indio_dev->mlock); + return IIO_VAL_INT; + case (1 << IIO_CHAN_INFO_SCALE_SEPARATE): + case (1 << IIO_CHAN_INFO_SCALE_SHARED): + switch (chan->type) { + case IIO_IN: + *val = 0; + if (chan->channel == 0) + *val2 = 1220; + else + *val2 = 610; + return IIO_VAL_INT_PLUS_MICRO; + case IIO_TEMP: + *val = 0; + *val2 = -470000; + return IIO_VAL_INT_PLUS_MICRO; + case IIO_ACCEL: + *val = 0; + *val2 = 462500; + return IIO_VAL_INT_PLUS_MICRO; + case IIO_INCLI: + *val = 0; + *val2 = 100000; + return IIO_VAL_INT_PLUS_MICRO; + default: + return -EINVAL; + } + break; + case (1 << IIO_CHAN_INFO_OFFSET_SEPARATE): + *val = 25; + return IIO_VAL_INT; + case (1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE): + switch (chan->type) { + case IIO_ACCEL: + bits = 12; + break; + case IIO_INCLI: + bits = 9; + break; + default: + return -EINVAL; + }; + mutex_lock(&indio_dev->mlock); + addr = adis16201_addresses[chan->address][1]; + ret = adis16201_spi_read_reg_16(indio_dev, addr, &val16); + if (ret) { + mutex_unlock(&indio_dev->mlock); + return ret; + } + val16 &= (1 << bits) - 1; + val16 = (s16)(val16 << (16 - bits)) >> (16 - bits); + *val = val16; + mutex_unlock(&indio_dev->mlock); + return IIO_VAL_INT; + } + return -EINVAL; +} -static struct attribute *adis16201_event_attributes[] = { - NULL -}; +static int adis16201_write_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int val, + int val2, + long mask) +{ + int bits; + s16 val16; + u8 addr; + switch (mask) { + case (1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE): + switch (chan->type) { + case IIO_ACCEL: + bits = 12; + break; + case IIO_INCLI: + bits = 9; + break; + default: + return -EINVAL; + }; + val16 = val & ((1 << bits) - 1); + addr = adis16201_addresses[chan->address][1]; + return adis16201_spi_write_reg_16(indio_dev, addr, val16); + } + return -EINVAL; +} -static struct attribute_group adis16201_event_attribute_group = { - .attrs = adis16201_event_attributes, +static struct iio_chan_spec adis16201_channels[] = { + IIO_CHAN(IIO_IN, 0, 1, 0, "supply", 0, 0, + (1 << IIO_CHAN_INFO_SCALE_SEPARATE), + in_supply, ADIS16201_SCAN_SUPPLY, + IIO_ST('u', 12, 16, 0), 0), + IIO_CHAN(IIO_TEMP, 0, 1, 0, NULL, 0, 0, + (1 << IIO_CHAN_INFO_SCALE_SEPARATE) | + (1 << IIO_CHAN_INFO_OFFSET_SEPARATE), + temp, ADIS16201_SCAN_TEMP, + IIO_ST('u', 12, 16, 0), 0), + IIO_CHAN(IIO_ACCEL, 1, 0, 0, NULL, 0, IIO_MOD_X, + (1 << IIO_CHAN_INFO_SCALE_SHARED) | + (1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE), + accel_x, ADIS16201_SCAN_ACC_X, + IIO_ST('s', 14, 16, 0), 0), + IIO_CHAN(IIO_ACCEL, 1, 0, 0, NULL, 0, IIO_MOD_Y, + (1 << IIO_CHAN_INFO_SCALE_SHARED) | + (1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE), + accel_y, ADIS16201_SCAN_ACC_Y, + IIO_ST('s', 14, 16, 0), 0), + IIO_CHAN(IIO_IN, 0, 1, 0, NULL, 1, 0, + (1 << IIO_CHAN_INFO_SCALE_SEPARATE), + in_aux, ADIS16201_SCAN_AUX_ADC, + IIO_ST('u', 12, 16, 0), 0), + IIO_CHAN(IIO_INCLI, 1, 0, 0, NULL, 0, IIO_MOD_X, + (1 << IIO_CHAN_INFO_SCALE_SHARED) | + (1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE), + incli_x, ADIS16201_SCAN_INCLI_X, + IIO_ST('s', 14, 16, 0), 0), + IIO_CHAN(IIO_INCLI, 1, 0, 0, NULL, 0, IIO_MOD_Y, + (1 << IIO_CHAN_INFO_SCALE_SHARED) | + (1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE), + incli_y, ADIS16201_SCAN_INCLI_Y, + IIO_ST('s', 14, 16, 0), 0), + IIO_CHAN_SOFT_TIMESTAMP(7) }; +static IIO_DEVICE_ATTR(reset, S_IWUSR, NULL, adis16201_write_reset, 0); + static struct attribute *adis16201_attributes[] = { - &iio_dev_attr_in0_supply_raw.dev_attr.attr, - &iio_const_attr_in0_supply_scale.dev_attr.attr, - &iio_dev_attr_temp_raw.dev_attr.attr, - &iio_const_attr_temp_offset.dev_attr.attr, - &iio_const_attr_temp_scale.dev_attr.attr, &iio_dev_attr_reset.dev_attr.attr, - &iio_const_attr_name.dev_attr.attr, - &iio_dev_attr_in1_raw.dev_attr.attr, - &iio_const_attr_in1_scale.dev_attr.attr, - &iio_dev_attr_accel_x_raw.dev_attr.attr, - &iio_dev_attr_accel_y_raw.dev_attr.attr, - &iio_dev_attr_accel_x_offset.dev_attr.attr, - &iio_dev_attr_accel_y_offset.dev_attr.attr, - &iio_const_attr_accel_scale.dev_attr.attr, - &iio_dev_attr_incli_x_raw.dev_attr.attr, - &iio_dev_attr_incli_y_raw.dev_attr.attr, - &iio_dev_attr_incli_x_offset.dev_attr.attr, - &iio_dev_attr_incli_y_offset.dev_attr.attr, - &iio_const_attr_incli_scale.dev_attr.attr, NULL }; @@ -514,6 +457,13 @@ static const struct attribute_group adis16201_attribute_group = { .attrs = adis16201_attributes, }; +static const struct iio_info adis16201_info = { + .attrs = &adis16201_attribute_group, + .read_raw = &adis16201_read_raw, + .write_raw = &adis16201_write_raw, + .driver_module = THIS_MODULE, +}; + static int __devinit adis16201_probe(struct spi_device *spi) { int ret, regdone = 0; @@ -539,18 +489,19 @@ static int __devinit adis16201_probe(struct spi_device *spi) st->us = spi; mutex_init(&st->buf_lock); /* setup the industrialio driver allocated elements */ - st->indio_dev = iio_allocate_device(); + st->indio_dev = iio_allocate_device(0); if (st->indio_dev == NULL) { ret = -ENOMEM; goto error_free_tx; } + st->indio_dev->name = spi->dev.driver->name; st->indio_dev->dev.parent = &spi->dev; - st->indio_dev->num_interrupt_lines = 1; - st->indio_dev->event_attrs = &adis16201_event_attribute_group; - st->indio_dev->attrs = &adis16201_attribute_group; + st->indio_dev->info = &adis16201_info; + + st->indio_dev->channels = adis16201_channels; + st->indio_dev->num_channels = ARRAY_SIZE(adis16201_channels); st->indio_dev->dev_data = (void *)(st); - st->indio_dev->driver_module = THIS_MODULE; st->indio_dev->modes = INDIO_DIRECT_MODE; ret = adis16201_configure_ring(st->indio_dev); @@ -562,24 +513,18 @@ static int __devinit adis16201_probe(struct spi_device *spi) goto error_unreg_ring_funcs; regdone = 1; - ret = adis16201_initialize_ring(st->indio_dev->ring); + ret = iio_ring_buffer_register_ex(st->indio_dev->ring, 0, + adis16201_channels, + ARRAY_SIZE(adis16201_channels)); if (ret) { printk(KERN_ERR "failed to initialize the ring\n"); goto error_unreg_ring_funcs; } if (spi->irq) { - ret = iio_register_interrupt_line(spi->irq, - st->indio_dev, - 0, - IRQF_TRIGGER_RISING, - "adis16201"); - if (ret) - goto error_uninitialize_ring; - ret = adis16201_probe_trigger(st->indio_dev); if (ret) - goto error_unregister_line; + goto error_uninitialize_ring; } /* Get the device into a sane initial state */ @@ -590,11 +535,8 @@ static int __devinit adis16201_probe(struct spi_device *spi) error_remove_trigger: adis16201_remove_trigger(st->indio_dev); -error_unregister_line: - if (spi->irq) - iio_unregister_interrupt_line(st->indio_dev, 0); error_uninitialize_ring: - adis16201_uninitialize_ring(st->indio_dev->ring); + iio_ring_buffer_unregister(st->indio_dev->ring); error_unreg_ring_funcs: adis16201_unconfigure_ring(st->indio_dev); error_free_dev: @@ -617,13 +559,8 @@ static int adis16201_remove(struct spi_device *spi) struct adis16201_state *st = spi_get_drvdata(spi); struct iio_dev *indio_dev = st->indio_dev; - flush_scheduled_work(); - adis16201_remove_trigger(indio_dev); - if (spi->irq) - iio_unregister_interrupt_line(indio_dev, 0); - - adis16201_uninitialize_ring(indio_dev->ring); + iio_ring_buffer_unregister(indio_dev->ring); iio_device_unregister(indio_dev); adis16201_unconfigure_ring(indio_dev); kfree(st->tx); |