diff options
Diffstat (limited to 'drivers/iio/common')
19 files changed, 280 insertions, 179 deletions
diff --git a/drivers/iio/common/cros_ec_sensors/Makefile b/drivers/iio/common/cros_ec_sensors/Makefile index e0a33ab66d21..c358fa0328ab 100644 --- a/drivers/iio/common/cros_ec_sensors/Makefile +++ b/drivers/iio/common/cros_ec_sensors/Makefile @@ -3,6 +3,7 @@ # Makefile for sensors seen through the ChromeOS EC sensor hub. # -obj-$(CONFIG_IIO_CROS_EC_SENSORS_CORE) += cros_ec_sensors_core.o +cros-ec-sensors-core-objs += cros_ec_sensors_core.o cros_ec_sensors_trace.o +obj-$(CONFIG_IIO_CROS_EC_SENSORS_CORE) += cros-ec-sensors-core.o obj-$(CONFIG_IIO_CROS_EC_SENSORS) += cros_ec_sensors.o obj-$(CONFIG_IIO_CROS_EC_SENSORS_LID_ANGLE) += cros_ec_lid_angle.o diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_lid_angle.c b/drivers/iio/common/cros_ec_sensors/cros_ec_lid_angle.c index 119acb078af3..2d3d148b4206 100644 --- a/drivers/iio/common/cros_ec_sensors/cros_ec_lid_angle.c +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_lid_angle.c @@ -121,7 +121,7 @@ static const struct platform_device_id cros_ec_lid_angle_ids[] = { { .name = DRV_NAME, }, - { /* sentinel */ } + { } }; MODULE_DEVICE_TABLE(platform, cros_ec_lid_angle_ids); diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c index 66153b1850f1..82cef4a12442 100644 --- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c @@ -311,7 +311,7 @@ static const struct platform_device_id cros_ec_sensors_ids[] = { { .name = "cros-ec-mag", }, - { /* sentinel */ } + { } }; MODULE_DEVICE_TABLE(platform, cros_ec_sensors_ids); diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c index 6bfe5d6847e7..700ebcd68ff4 100644 --- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c @@ -23,6 +23,8 @@ #include <linux/platform_data/cros_ec_sensorhub.h> #include <linux/platform_device.h> +#include "cros_ec_sensors_trace.h" + /* * Hard coded to the first device to support sensor fifo. The EC has a 2048 * byte fifo and will trigger an interrupt when fifo is 2/3 full. @@ -32,25 +34,19 @@ static int cros_ec_get_host_cmd_version_mask(struct cros_ec_device *ec_dev, u16 cmd_offset, u16 cmd, u32 *mask) { + DEFINE_RAW_FLEX(struct cros_ec_command, buf, data, + MAX(sizeof(struct ec_response_get_cmd_versions), + sizeof(struct ec_params_get_cmd_versions))); int ret; - struct { - struct cros_ec_command msg; - union { - struct ec_params_get_cmd_versions params; - struct ec_response_get_cmd_versions resp; - }; - } __packed buf = { - .msg = { - .command = EC_CMD_GET_CMD_VERSIONS + cmd_offset, - .insize = sizeof(struct ec_response_get_cmd_versions), - .outsize = sizeof(struct ec_params_get_cmd_versions) - }, - .params = {.cmd = cmd} - }; - - ret = cros_ec_cmd_xfer_status(ec_dev, &buf.msg); + + buf->command = EC_CMD_GET_CMD_VERSIONS + cmd_offset; + buf->insize = sizeof(struct ec_response_get_cmd_versions); + buf->outsize = sizeof(struct ec_params_get_cmd_versions); + ((struct ec_params_get_cmd_versions *)buf->data)->cmd = cmd; + + ret = cros_ec_cmd_xfer_status(ec_dev, buf); if (ret >= 0) - *mask = buf.resp.version_mask; + *mask = ((struct ec_response_get_cmd_versions *)buf->data)->version_mask; return ret; } @@ -95,22 +91,6 @@ static void get_default_min_max_freq(enum motionsensor_type type, } } -static int cros_ec_sensor_set_ec_rate(struct cros_ec_sensors_core_state *st, - int rate) -{ - int ret; - - if (rate > U16_MAX) - rate = U16_MAX; - - mutex_lock(&st->cmd_lock); - st->param.cmd = MOTIONSENSE_CMD_EC_RATE; - st->param.ec_rate.data = rate; - ret = cros_ec_motion_send_host_cmd(st, 0); - mutex_unlock(&st->cmd_lock); - return ret; -} - static ssize_t cros_ec_sensor_set_report_latency(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) @@ -126,7 +106,25 @@ static ssize_t cros_ec_sensor_set_report_latency(struct device *dev, /* EC rate is in ms. */ latency = integer * 1000 + fract / 1000; - ret = cros_ec_sensor_set_ec_rate(st, latency); + + mutex_lock(&st->cmd_lock); + st->param.cmd = MOTIONSENSE_CMD_EC_RATE; + st->param.ec_rate.data = min(U16_MAX, latency); + ret = cros_ec_motion_send_host_cmd(st, 0); + if (ret < 0) { + mutex_unlock(&st->cmd_lock); + return ret; + } + + /* + * Flush samples currently in the FIFO, especially when the new latency + * is shorter than the old one: new timeout value is only considered when + * there is a new sample available. It can take a while for a slow + * sensor. + */ + st->param.cmd = MOTIONSENSE_CMD_FIFO_FLUSH; + ret = cros_ec_motion_send_host_cmd(st, 0); + mutex_unlock(&st->cmd_lock); if (ret < 0) return ret; @@ -198,9 +196,7 @@ int cros_ec_sensors_push_data(struct iio_dev *indio_dev, return 0; out = (s16 *)st->samples; - for_each_set_bit(i, - indio_dev->active_scan_mask, - indio_dev->masklength) { + iio_for_each_active_channel(indio_dev, i) { *out = data[i]; out++; } @@ -415,6 +411,7 @@ EXPORT_SYMBOL_GPL(cros_ec_sensors_core_register); int cros_ec_motion_send_host_cmd(struct cros_ec_sensors_core_state *state, u16 opt_length) { + struct ec_response_motion_sense *resp = (struct ec_response_motion_sense *)state->msg->data; int ret; if (opt_length) @@ -425,12 +422,12 @@ int cros_ec_motion_send_host_cmd(struct cros_ec_sensors_core_state *state, memcpy(state->msg->data, &state->param, sizeof(state->param)); ret = cros_ec_cmd_xfer_status(state->ec, state->msg); + trace_cros_ec_motion_host_cmd(&state->param, resp, ret); if (ret < 0) return ret; - if (ret && - state->resp != (struct ec_response_motion_sense *)state->msg->data) - memcpy(state->resp, state->msg->data, ret); + if (ret && state->resp != resp) + memcpy(state->resp, resp, ret); return 0; } @@ -485,7 +482,7 @@ const struct iio_chan_spec_ext_info cros_ec_sensors_ext_info[] = { .shared = IIO_SHARED_BY_ALL, .read = cros_ec_sensors_id }, - { }, + { } }; EXPORT_SYMBOL_GPL(cros_ec_sensors_ext_info); @@ -587,7 +584,7 @@ static int cros_ec_sensors_read_data_unsafe(struct iio_dev *indio_dev, int ret; /* Read all sensors enabled in scan_mask. Each value is 2 bytes. */ - for_each_set_bit(i, &scan_mask, indio_dev->masklength) { + for_each_set_bit(i, &scan_mask, iio_get_masklength(indio_dev)) { ret = cros_ec_sensors_cmd_read_u16(ec, cros_ec_sensors_idx_to_reg(st, i), data); @@ -683,7 +680,7 @@ int cros_ec_sensors_read_cmd(struct iio_dev *indio_dev, return ret; } - for_each_set_bit(i, &scan_mask, indio_dev->masklength) { + for_each_set_bit(i, &scan_mask, iio_get_masklength(indio_dev)) { *data = st->resp->data.data[i]; data++; } @@ -837,6 +834,18 @@ int cros_ec_sensors_core_write(struct cros_ec_sensors_core_state *st, st->param.sensor_odr.roundup = 1; ret = cros_ec_motion_send_host_cmd(st, 0); + if (ret) + break; + + /* Flush the FIFO when a sensor is stopped. + * If the FIFO has just been emptied, pending samples will be + * stuck until new samples are available. It will not happen + * when all the sensors are stopped. + */ + if (frequency == 0) { + st->param.cmd = MOTIONSENSE_CMD_FIFO_FLUSH; + ret = cros_ec_motion_send_host_cmd(st, 0); + } break; default: ret = -EINVAL; diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_trace.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_trace.c new file mode 100644 index 000000000000..c4db949fa775 --- /dev/null +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_trace.c @@ -0,0 +1,32 @@ +// SPDX-License-Identifier: GPL-2.0 +// Trace events for the ChromeOS Embedded Controller +// +// Copyright 2025 Google LLC. + +#define TRACE_SYMBOL(a) {a, #a} + +// Generate the list using the following script: +// sed -n 's/^.*\(MOTIONSENSE_CMD.*\) = .*,$/\tTRACE_SYMBOL(\1), \\/p' include/linux/platform_data/cros_ec_commands.h +#define MOTIONSENSE_CMDS \ + TRACE_SYMBOL(MOTIONSENSE_CMD_DUMP), \ + TRACE_SYMBOL(MOTIONSENSE_CMD_INFO), \ + TRACE_SYMBOL(MOTIONSENSE_CMD_EC_RATE), \ + TRACE_SYMBOL(MOTIONSENSE_CMD_SENSOR_ODR), \ + TRACE_SYMBOL(MOTIONSENSE_CMD_SENSOR_RANGE), \ + TRACE_SYMBOL(MOTIONSENSE_CMD_KB_WAKE_ANGLE), \ + TRACE_SYMBOL(MOTIONSENSE_CMD_DATA), \ + TRACE_SYMBOL(MOTIONSENSE_CMD_FIFO_INFO), \ + TRACE_SYMBOL(MOTIONSENSE_CMD_FIFO_FLUSH), \ + TRACE_SYMBOL(MOTIONSENSE_CMD_FIFO_READ), \ + TRACE_SYMBOL(MOTIONSENSE_CMD_PERFORM_CALIB), \ + TRACE_SYMBOL(MOTIONSENSE_CMD_SENSOR_OFFSET), \ + TRACE_SYMBOL(MOTIONSENSE_CMD_LIST_ACTIVITIES), \ + TRACE_SYMBOL(MOTIONSENSE_CMD_SET_ACTIVITY), \ + TRACE_SYMBOL(MOTIONSENSE_CMD_LID_ANGLE), \ + TRACE_SYMBOL(MOTIONSENSE_CMD_FIFO_INT_ENABLE), \ + TRACE_SYMBOL(MOTIONSENSE_CMD_SPOOF), \ + TRACE_SYMBOL(MOTIONSENSE_CMD_TABLET_MODE_LID_ANGLE), \ + TRACE_SYMBOL(MOTIONSENSE_CMD_SENSOR_SCALE) + +#define CREATE_TRACE_POINTS +#include "cros_ec_sensors_trace.h" diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_trace.h b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_trace.h new file mode 100644 index 000000000000..8956f2e8ad08 --- /dev/null +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_trace.h @@ -0,0 +1,56 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Trace events for the ChromeOS Embedded Controller + * + * Copyright 2025 Google LLC. + */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM cros_ec + +#if !defined(_CROS_EC_SENSORS_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ) +#define _CROS_EC_SENSORS_TRACE_H_ + +#include <linux/bits.h> +#include <linux/types.h> +#include <linux/platform_data/cros_ec_commands.h> +#include <linux/platform_data/cros_ec_proto.h> + +#include <linux/tracepoint.h> + +TRACE_EVENT(cros_ec_motion_host_cmd, + TP_PROTO(struct ec_params_motion_sense *param, + struct ec_response_motion_sense *resp, + int retval), + TP_ARGS(param, resp, retval), + TP_STRUCT__entry(__field(uint8_t, cmd) + __field(uint8_t, sensor_id) + __field(uint32_t, data) + __field(int, retval) + __field(int32_t, ret) + ), + TP_fast_assign(__entry->cmd = param->cmd; + __entry->sensor_id = param->sensor_odr.sensor_num; + __entry->data = param->sensor_odr.data; + __entry->retval = retval; + __entry->ret = retval > 0 ? resp->sensor_odr.ret : -1; + ), + TP_printk("%s, id: %d, data: %u, result: %u, return: %d", + __print_symbolic(__entry->cmd, MOTIONSENSE_CMDS), + __entry->sensor_id, + __entry->data, + __entry->retval, + __entry->ret) +); + +#endif /* _CROS_EC_SENSORS_TRACE_H_ */ + +/* this part must be outside header guard */ + +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH ../../drivers/iio/common/cros_ec_sensors + +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE cros_ec_sensors_trace + +#include <trace/define_trace.h> diff --git a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c index 9b279937a24e..2055a03cbeb1 100644 --- a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c +++ b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c @@ -66,6 +66,10 @@ static struct { {HID_USAGE_SENSOR_HUMIDITY, 0, 1000, 0}, {HID_USAGE_SENSOR_HINGE, 0, 0, 17453293}, {HID_USAGE_SENSOR_HINGE, HID_USAGE_SENSOR_UNITS_DEGREES, 0, 17453293}, + + {HID_USAGE_SENSOR_HUMAN_PRESENCE, 0, 1, 0}, + {HID_USAGE_SENSOR_HUMAN_PROXIMITY, 0, 1, 0}, + {HID_USAGE_SENSOR_HUMAN_ATTENTION, 0, 1, 0}, }; static void simple_div(int dividend, int divisor, int *whole, @@ -169,7 +173,7 @@ s32 hid_sensor_read_poll_value(struct hid_sensor_common *st) return value; } -EXPORT_SYMBOL_NS(hid_sensor_read_poll_value, IIO_HID_ATTRIBUTES); +EXPORT_SYMBOL_NS(hid_sensor_read_poll_value, "IIO_HID_ATTRIBUTES"); int hid_sensor_read_samp_freq_value(struct hid_sensor_common *st, int *val1, int *val2) @@ -196,7 +200,7 @@ int hid_sensor_read_samp_freq_value(struct hid_sensor_common *st, return IIO_VAL_INT_PLUS_MICRO; } -EXPORT_SYMBOL_NS(hid_sensor_read_samp_freq_value, IIO_HID); +EXPORT_SYMBOL_NS(hid_sensor_read_samp_freq_value, "IIO_HID"); int hid_sensor_write_samp_freq_value(struct hid_sensor_common *st, int val1, int val2) @@ -231,7 +235,7 @@ int hid_sensor_write_samp_freq_value(struct hid_sensor_common *st, return 0; } -EXPORT_SYMBOL_NS(hid_sensor_write_samp_freq_value, IIO_HID); +EXPORT_SYMBOL_NS(hid_sensor_write_samp_freq_value, "IIO_HID"); int hid_sensor_read_raw_hyst_value(struct hid_sensor_common *st, int *val1, int *val2) @@ -254,7 +258,7 @@ int hid_sensor_read_raw_hyst_value(struct hid_sensor_common *st, return IIO_VAL_INT_PLUS_MICRO; } -EXPORT_SYMBOL_NS(hid_sensor_read_raw_hyst_value, IIO_HID); +EXPORT_SYMBOL_NS(hid_sensor_read_raw_hyst_value, "IIO_HID"); int hid_sensor_read_raw_hyst_rel_value(struct hid_sensor_common *st, int *val1, int *val2) @@ -276,7 +280,7 @@ int hid_sensor_read_raw_hyst_rel_value(struct hid_sensor_common *st, int *val1, return IIO_VAL_INT_PLUS_MICRO; } -EXPORT_SYMBOL_NS(hid_sensor_read_raw_hyst_rel_value, IIO_HID); +EXPORT_SYMBOL_NS(hid_sensor_read_raw_hyst_rel_value, "IIO_HID"); int hid_sensor_write_raw_hyst_value(struct hid_sensor_common *st, @@ -308,7 +312,7 @@ int hid_sensor_write_raw_hyst_value(struct hid_sensor_common *st, return 0; } -EXPORT_SYMBOL_NS(hid_sensor_write_raw_hyst_value, IIO_HID); +EXPORT_SYMBOL_NS(hid_sensor_write_raw_hyst_value, "IIO_HID"); int hid_sensor_write_raw_hyst_rel_value(struct hid_sensor_common *st, int val1, int val2) @@ -339,7 +343,7 @@ int hid_sensor_write_raw_hyst_rel_value(struct hid_sensor_common *st, return 0; } -EXPORT_SYMBOL_NS(hid_sensor_write_raw_hyst_rel_value, IIO_HID); +EXPORT_SYMBOL_NS(hid_sensor_write_raw_hyst_rel_value, "IIO_HID"); /* * This fuction applies the unit exponent to the scale. @@ -423,14 +427,14 @@ int hid_sensor_format_scale(u32 usage_id, return IIO_VAL_INT_PLUS_NANO; } -EXPORT_SYMBOL_NS(hid_sensor_format_scale, IIO_HID); +EXPORT_SYMBOL_NS(hid_sensor_format_scale, "IIO_HID"); int64_t hid_sensor_convert_timestamp(struct hid_sensor_common *st, int64_t raw_value) { return st->timestamp_ns_scale * raw_value; } -EXPORT_SYMBOL_NS(hid_sensor_convert_timestamp, IIO_HID); +EXPORT_SYMBOL_NS(hid_sensor_convert_timestamp, "IIO_HID"); static int hid_sensor_get_reporting_interval(struct hid_sensor_hub_device *hsdev, @@ -477,7 +481,7 @@ int hid_sensor_get_report_latency(struct hid_sensor_common *st) return value; } -EXPORT_SYMBOL_NS(hid_sensor_get_report_latency, IIO_HID_ATTRIBUTES); +EXPORT_SYMBOL_NS(hid_sensor_get_report_latency, "IIO_HID_ATTRIBUTES"); int hid_sensor_set_report_latency(struct hid_sensor_common *st, int latency_ms) { @@ -485,13 +489,13 @@ int hid_sensor_set_report_latency(struct hid_sensor_common *st, int latency_ms) st->report_latency.index, sizeof(latency_ms), &latency_ms); } -EXPORT_SYMBOL_NS(hid_sensor_set_report_latency, IIO_HID_ATTRIBUTES); +EXPORT_SYMBOL_NS(hid_sensor_set_report_latency, "IIO_HID_ATTRIBUTES"); bool hid_sensor_batch_mode_supported(struct hid_sensor_common *st) { return st->report_latency.index > 0 && st->report_latency.report_id > 0; } -EXPORT_SYMBOL_NS(hid_sensor_batch_mode_supported, IIO_HID_ATTRIBUTES); +EXPORT_SYMBOL_NS(hid_sensor_batch_mode_supported, "IIO_HID_ATTRIBUTES"); int hid_sensor_parse_common_attributes(struct hid_sensor_hub_device *hsdev, u32 usage_id, @@ -583,7 +587,7 @@ int hid_sensor_parse_common_attributes(struct hid_sensor_hub_device *hsdev, return 0; } -EXPORT_SYMBOL_NS(hid_sensor_parse_common_attributes, IIO_HID); +EXPORT_SYMBOL_NS(hid_sensor_parse_common_attributes, "IIO_HID"); MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@intel.com>"); MODULE_DESCRIPTION("HID Sensor common attribute processing"); diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c index ad8910e6ad59..48193937275b 100644 --- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c +++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c @@ -32,7 +32,7 @@ static ssize_t _hid_sensor_set_report_latency(struct device *dev, latency = integer * 1000 + fract / 1000; ret = hid_sensor_set_report_latency(attrb, latency); if (ret < 0) - return len; + return ret; attrb->latency_ms = hid_sensor_get_report_latency(attrb); @@ -147,7 +147,7 @@ static int _hid_sensor_power_state(struct hid_sensor_common *st, bool state) return 0; } -EXPORT_SYMBOL_NS(hid_sensor_power_state, IIO_HID); +EXPORT_SYMBOL_NS(hid_sensor_power_state, "IIO_HID"); int hid_sensor_power_state(struct hid_sensor_common *st, bool state) { @@ -222,7 +222,7 @@ void hid_sensor_remove_trigger(struct iio_dev *indio_dev, iio_trigger_free(attrb->trigger); iio_triggered_buffer_cleanup(indio_dev); } -EXPORT_SYMBOL_NS(hid_sensor_remove_trigger, IIO_HID); +EXPORT_SYMBOL_NS(hid_sensor_remove_trigger, "IIO_HID"); static const struct iio_trigger_ops hid_sensor_trigger_ops = { .set_trigger_state = &hid_sensor_data_rdy_trigger_set_state, @@ -289,7 +289,7 @@ error_triggered_buffer_cleanup: iio_triggered_buffer_cleanup(indio_dev); return ret; } -EXPORT_SYMBOL_NS(hid_sensor_setup_trigger, IIO_HID); +EXPORT_SYMBOL_NS(hid_sensor_setup_trigger, "IIO_HID"); static int __maybe_unused hid_sensor_suspend(struct device *dev) { @@ -319,9 +319,9 @@ const struct dev_pm_ops hid_sensor_pm_ops = { SET_RUNTIME_PM_OPS(hid_sensor_suspend, hid_sensor_runtime_resume, NULL) }; -EXPORT_SYMBOL_NS(hid_sensor_pm_ops, IIO_HID); +EXPORT_SYMBOL_NS(hid_sensor_pm_ops, "IIO_HID"); MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@intel.com>"); MODULE_DESCRIPTION("HID Sensor trigger processing"); MODULE_LICENSE("GPL"); -MODULE_IMPORT_NS(IIO_HID_ATTRIBUTES); +MODULE_IMPORT_NS("IIO_HID_ATTRIBUTES"); diff --git a/drivers/iio/common/inv_sensors/inv_sensors_timestamp.c b/drivers/iio/common/inv_sensors/inv_sensors_timestamp.c index 03823ee57f59..97526ba87b93 100644 --- a/drivers/iio/common/inv_sensors/inv_sensors_timestamp.c +++ b/drivers/iio/common/inv_sensors/inv_sensors_timestamp.c @@ -55,28 +55,36 @@ void inv_sensors_timestamp_init(struct inv_sensors_timestamp *ts, /* use theoretical value for chip period */ inv_update_acc(&ts->chip_period, chip->clock_period); } -EXPORT_SYMBOL_NS_GPL(inv_sensors_timestamp_init, IIO_INV_SENSORS_TIMESTAMP); +EXPORT_SYMBOL_NS_GPL(inv_sensors_timestamp_init, "IIO_INV_SENSORS_TIMESTAMP"); int inv_sensors_timestamp_update_odr(struct inv_sensors_timestamp *ts, uint32_t period, bool fifo) { + uint32_t mult; + /* when FIFO is on, prevent odr change if one is already pending */ if (fifo && ts->new_mult != 0) return -EAGAIN; - ts->new_mult = period / ts->chip.clock_period; + mult = period / ts->chip.clock_period; + if (mult != ts->mult) + ts->new_mult = mult; + + /* When FIFO is off, directly apply the new ODR */ + if (!fifo) + inv_sensors_timestamp_apply_odr(ts, 0, 0, 0); return 0; } -EXPORT_SYMBOL_NS_GPL(inv_sensors_timestamp_update_odr, IIO_INV_SENSORS_TIMESTAMP); +EXPORT_SYMBOL_NS_GPL(inv_sensors_timestamp_update_odr, "IIO_INV_SENSORS_TIMESTAMP"); -static bool inv_validate_period(struct inv_sensors_timestamp *ts, uint32_t period, uint32_t mult) +static bool inv_validate_period(struct inv_sensors_timestamp *ts, uint32_t period) { uint32_t period_min, period_max; /* check that period is acceptable */ - period_min = ts->min_period * mult; - period_max = ts->max_period * mult; + period_min = ts->min_period * ts->mult; + period_max = ts->max_period * ts->mult; if (period > period_min && period < period_max) return true; else @@ -84,15 +92,15 @@ static bool inv_validate_period(struct inv_sensors_timestamp *ts, uint32_t perio } static bool inv_update_chip_period(struct inv_sensors_timestamp *ts, - uint32_t mult, uint32_t period) + uint32_t period) { uint32_t new_chip_period; - if (!inv_validate_period(ts, period, mult)) + if (!inv_validate_period(ts, period)) return false; /* update chip internal period estimation */ - new_chip_period = period / mult; + new_chip_period = period / ts->mult; inv_update_acc(&ts->chip_period, new_chip_period); ts->period = ts->mult * ts->chip_period.val; @@ -101,6 +109,9 @@ static bool inv_update_chip_period(struct inv_sensors_timestamp *ts, static void inv_align_timestamp_it(struct inv_sensors_timestamp *ts) { + const int64_t period_min = (int64_t)ts->min_period * ts->mult; + const int64_t period_max = (int64_t)ts->max_period * ts->mult; + int64_t add_max, sub_max; int64_t delta, jitter; int64_t adjust; @@ -108,11 +119,13 @@ static void inv_align_timestamp_it(struct inv_sensors_timestamp *ts) delta = ts->it.lo - ts->timestamp; /* adjust timestamp while respecting jitter */ + add_max = period_max - (int64_t)ts->period; + sub_max = period_min - (int64_t)ts->period; jitter = INV_SENSORS_TIMESTAMP_JITTER((int64_t)ts->period, ts->chip.jitter); if (delta > jitter) - adjust = jitter; + adjust = add_max; else if (delta < -jitter) - adjust = -jitter; + adjust = sub_max; else adjust = 0; @@ -120,16 +133,14 @@ static void inv_align_timestamp_it(struct inv_sensors_timestamp *ts) } void inv_sensors_timestamp_interrupt(struct inv_sensors_timestamp *ts, - uint32_t fifo_period, size_t fifo_nb, - size_t sensor_nb, int64_t timestamp) + size_t sample_nb, int64_t timestamp) { struct inv_sensors_timestamp_interval *it; int64_t delta, interval; - const uint32_t fifo_mult = fifo_period / ts->chip.clock_period; - uint32_t period = ts->period; + uint32_t period; bool valid = false; - if (fifo_nb == 0) + if (sample_nb == 0) return; /* update interrupt timestamp and compute chip and sensor periods */ @@ -139,14 +150,14 @@ void inv_sensors_timestamp_interrupt(struct inv_sensors_timestamp *ts, delta = it->up - it->lo; if (it->lo != 0) { /* compute period: delta time divided by number of samples */ - period = div_s64(delta, fifo_nb); - valid = inv_update_chip_period(ts, fifo_mult, period); + period = div_s64(delta, sample_nb); + valid = inv_update_chip_period(ts, period); } /* no previous data, compute theoritical value from interrupt */ if (ts->timestamp == 0) { /* elapsed time: sensor period * sensor samples number */ - interval = (int64_t)ts->period * (int64_t)sensor_nb; + interval = (int64_t)ts->period * (int64_t)sample_nb; ts->timestamp = it->up - interval; return; } @@ -155,7 +166,7 @@ void inv_sensors_timestamp_interrupt(struct inv_sensors_timestamp *ts, if (valid) inv_align_timestamp_it(ts); } -EXPORT_SYMBOL_NS_GPL(inv_sensors_timestamp_interrupt, IIO_INV_SENSORS_TIMESTAMP); +EXPORT_SYMBOL_NS_GPL(inv_sensors_timestamp_interrupt, "IIO_INV_SENSORS_TIMESTAMP"); void inv_sensors_timestamp_apply_odr(struct inv_sensors_timestamp *ts, uint32_t fifo_period, size_t fifo_nb, @@ -187,7 +198,7 @@ void inv_sensors_timestamp_apply_odr(struct inv_sensors_timestamp *ts, ts->timestamp = ts->it.up - interval; } } -EXPORT_SYMBOL_NS_GPL(inv_sensors_timestamp_apply_odr, IIO_INV_SENSORS_TIMESTAMP); +EXPORT_SYMBOL_NS_GPL(inv_sensors_timestamp_apply_odr, "IIO_INV_SENSORS_TIMESTAMP"); MODULE_AUTHOR("InvenSense, Inc."); MODULE_DESCRIPTION("InvenSense sensors timestamp module"); diff --git a/drivers/iio/common/ms_sensors/ms_sensors_i2c.c b/drivers/iio/common/ms_sensors/ms_sensors_i2c.c index 9c9bc77003c7..588470863681 100644 --- a/drivers/iio/common/ms_sensors/ms_sensors_i2c.c +++ b/drivers/iio/common/ms_sensors/ms_sensors_i2c.c @@ -58,7 +58,7 @@ int ms_sensors_reset(void *cli, u8 cmd, unsigned int delay) return 0; } -EXPORT_SYMBOL_NS(ms_sensors_reset, IIO_MEAS_SPEC_SENSORS); +EXPORT_SYMBOL_NS(ms_sensors_reset, "IIO_MEAS_SPEC_SENSORS"); /** * ms_sensors_read_prom_word() - PROM word read function @@ -84,7 +84,7 @@ int ms_sensors_read_prom_word(void *cli, int cmd, u16 *word) return 0; } -EXPORT_SYMBOL_NS(ms_sensors_read_prom_word, IIO_MEAS_SPEC_SENSORS); +EXPORT_SYMBOL_NS(ms_sensors_read_prom_word, "IIO_MEAS_SPEC_SENSORS"); /** * ms_sensors_convert_and_read() - ADC conversion & read function @@ -130,7 +130,7 @@ err: dev_err(&client->dev, "Unable to make sensor adc conversion\n"); return ret; } -EXPORT_SYMBOL_NS(ms_sensors_convert_and_read, IIO_MEAS_SPEC_SENSORS); +EXPORT_SYMBOL_NS(ms_sensors_convert_and_read, "IIO_MEAS_SPEC_SENSORS"); /** * ms_sensors_crc_valid() - CRC check function @@ -248,7 +248,7 @@ int ms_sensors_read_serial(struct i2c_client *client, u64 *sn) return 0; } -EXPORT_SYMBOL_NS(ms_sensors_read_serial, IIO_MEAS_SPEC_SENSORS); +EXPORT_SYMBOL_NS(ms_sensors_read_serial, "IIO_MEAS_SPEC_SENSORS"); static int ms_sensors_read_config_reg(struct i2c_client *client, u8 *config_reg) @@ -299,7 +299,7 @@ ssize_t ms_sensors_write_resolution(struct ms_ht_dev *dev_data, MS_SENSORS_CONFIG_REG_WRITE, config_reg); } -EXPORT_SYMBOL_NS(ms_sensors_write_resolution, IIO_MEAS_SPEC_SENSORS); +EXPORT_SYMBOL_NS(ms_sensors_write_resolution, "IIO_MEAS_SPEC_SENSORS"); /** * ms_sensors_show_battery_low() - Show device battery low indicator @@ -326,7 +326,7 @@ ssize_t ms_sensors_show_battery_low(struct ms_ht_dev *dev_data, return sysfs_emit(buf, "%d\n", (config_reg & 0x40) >> 6); } -EXPORT_SYMBOL_NS(ms_sensors_show_battery_low, IIO_MEAS_SPEC_SENSORS); +EXPORT_SYMBOL_NS(ms_sensors_show_battery_low, "IIO_MEAS_SPEC_SENSORS"); /** * ms_sensors_show_heater() - Show device heater @@ -353,7 +353,7 @@ ssize_t ms_sensors_show_heater(struct ms_ht_dev *dev_data, return sysfs_emit(buf, "%d\n", (config_reg & 0x4) >> 2); } -EXPORT_SYMBOL_NS(ms_sensors_show_heater, IIO_MEAS_SPEC_SENSORS); +EXPORT_SYMBOL_NS(ms_sensors_show_heater, "IIO_MEAS_SPEC_SENSORS"); /** * ms_sensors_write_heater() - Write device heater @@ -401,7 +401,7 @@ ssize_t ms_sensors_write_heater(struct ms_ht_dev *dev_data, return len; } -EXPORT_SYMBOL_NS(ms_sensors_write_heater, IIO_MEAS_SPEC_SENSORS); +EXPORT_SYMBOL_NS(ms_sensors_write_heater, "IIO_MEAS_SPEC_SENSORS"); /** * ms_sensors_ht_read_temperature() - Read temperature @@ -442,7 +442,7 @@ int ms_sensors_ht_read_temperature(struct ms_ht_dev *dev_data, return 0; } -EXPORT_SYMBOL_NS(ms_sensors_ht_read_temperature, IIO_MEAS_SPEC_SENSORS); +EXPORT_SYMBOL_NS(ms_sensors_ht_read_temperature, "IIO_MEAS_SPEC_SENSORS"); /** * ms_sensors_ht_read_humidity() - Read humidity @@ -485,7 +485,7 @@ int ms_sensors_ht_read_humidity(struct ms_ht_dev *dev_data, return 0; } -EXPORT_SYMBOL_NS(ms_sensors_ht_read_humidity, IIO_MEAS_SPEC_SENSORS); +EXPORT_SYMBOL_NS(ms_sensors_ht_read_humidity, "IIO_MEAS_SPEC_SENSORS"); /** * ms_sensors_tp_crc4() - Calculate PROM CRC for @@ -602,7 +602,7 @@ int ms_sensors_tp_read_prom(struct ms_tp_dev *dev_data) return 0; } -EXPORT_SYMBOL_NS(ms_sensors_tp_read_prom, IIO_MEAS_SPEC_SENSORS); +EXPORT_SYMBOL_NS(ms_sensors_tp_read_prom, "IIO_MEAS_SPEC_SENSORS"); /** * ms_sensors_read_temp_and_pressure() - read temp and pressure @@ -688,7 +688,7 @@ int ms_sensors_read_temp_and_pressure(struct ms_tp_dev *dev_data, return 0; } -EXPORT_SYMBOL_NS(ms_sensors_read_temp_and_pressure, IIO_MEAS_SPEC_SENSORS); +EXPORT_SYMBOL_NS(ms_sensors_read_temp_and_pressure, "IIO_MEAS_SPEC_SENSORS"); MODULE_DESCRIPTION("Measurement-Specialties common i2c driver"); MODULE_AUTHOR("William Markezana <william.markezana@meas-spec.com>"); diff --git a/drivers/iio/common/scmi_sensors/scmi_iio.c b/drivers/iio/common/scmi_sensors/scmi_iio.c index 0c2caf3570db..da516c46e057 100644 --- a/drivers/iio/common/scmi_sensors/scmi_iio.c +++ b/drivers/iio/common/scmi_sensors/scmi_iio.c @@ -158,7 +158,7 @@ static int scmi_iio_set_odr_val(struct iio_dev *iio_dev, int val, int val2) * To calculate the multiplier,we convert the sf into char string and * count the number of characters */ - sf = (u64)uHz * 0xFFFF; + sf = uHz * 0xFFFF; do_div(sf, MICROHZ_PER_HZ); mult = scnprintf(buf, sizeof(buf), "%llu", sf) - 1; @@ -351,12 +351,11 @@ static int scmi_iio_read_raw(struct iio_dev *iio_dev, ret = scmi_iio_get_odr_val(iio_dev, val, val2); return ret ? ret : IIO_VAL_INT_PLUS_MICRO; case IIO_CHAN_INFO_RAW: - ret = iio_device_claim_direct_mode(iio_dev); - if (ret) - return ret; + if (!iio_device_claim_direct(iio_dev)) + return -EBUSY; ret = scmi_iio_read_channel_data(iio_dev, ch, val, val2); - iio_device_release_direct_mode(iio_dev); + iio_device_release_direct(iio_dev); return ret; default: return -EINVAL; @@ -418,7 +417,7 @@ static const struct iio_chan_spec_ext_info scmi_iio_ext_info[] = { .read = scmi_iio_get_raw_available, .shared = IIO_SHARED_BY_TYPE, }, - {}, + { } }; static void scmi_iio_set_timestamp_channel(struct iio_chan_spec *iio_chan, @@ -626,12 +625,10 @@ scmi_alloc_iiodev(struct scmi_device *sdev, SCMI_PROTOCOL_SENSOR, SCMI_EVENT_SENSOR_UPDATE, &sensor->sensor_info->id, &sensor->sensor_update_nb); - if (ret) { - dev_err(&iiodev->dev, - "Error in registering sensor update notifier for sensor %s err %d", - sensor->sensor_info->name, ret); - return ERR_PTR(ret); - } + if (ret) + return dev_err_ptr_probe(&iiodev->dev, ret, + "Error in registering sensor update notifier for sensor %s\n", + sensor->sensor_info->name); scmi_iio_set_timestamp_channel(&iio_channels[i], i); iiodev->channels = iio_channels; @@ -653,10 +650,9 @@ static int scmi_iio_dev_probe(struct scmi_device *sdev) return -ENODEV; sensor_ops = handle->devm_protocol_get(sdev, SCMI_PROTOCOL_SENSOR, &ph); - if (IS_ERR(sensor_ops)) { - dev_err(dev, "SCMI device has no sensor interface\n"); - return PTR_ERR(sensor_ops); - } + if (IS_ERR(sensor_ops)) + return dev_err_probe(dev, PTR_ERR(sensor_ops), + "SCMI device has no sensor interface\n"); nr_sensors = sensor_ops->count_get(ph); if (!nr_sensors) { @@ -667,8 +663,8 @@ static int scmi_iio_dev_probe(struct scmi_device *sdev) for (i = 0; i < nr_sensors; i++) { sensor_info = sensor_ops->info_get(ph, i); if (!sensor_info) { - dev_err(dev, "SCMI sensor %d has missing info\n", i); - return -EINVAL; + return dev_err_probe(dev, -EINVAL, + "SCMI sensor %d has missing info\n", i); } /* This driver only supports 3-axis accel and gyro, skipping other sensors */ @@ -683,36 +679,32 @@ static int scmi_iio_dev_probe(struct scmi_device *sdev) scmi_iio_dev = scmi_alloc_iiodev(sdev, sensor_ops, ph, sensor_info); if (IS_ERR(scmi_iio_dev)) { - dev_err(dev, - "failed to allocate IIO device for sensor %s: %ld\n", - sensor_info->name, PTR_ERR(scmi_iio_dev)); - return PTR_ERR(scmi_iio_dev); + return dev_err_probe(dev, PTR_ERR(scmi_iio_dev), + "failed to allocate IIO device for sensor %s\n", + sensor_info->name); } err = devm_iio_kfifo_buffer_setup(&scmi_iio_dev->dev, scmi_iio_dev, &scmi_iio_buffer_ops); if (err < 0) { - dev_err(dev, - "IIO buffer setup error at sensor %s: %d\n", - sensor_info->name, err); - return err; + return dev_err_probe(dev, err, + "IIO buffer setup error at sensor %s\n", + sensor_info->name); } err = devm_iio_device_register(dev, scmi_iio_dev); - if (err) { - dev_err(dev, - "IIO device registration failed at sensor %s: %d\n", - sensor_info->name, err); - return err; - } + if (err) + return dev_err_probe(dev, err, + "IIO device registration failed at sensor %s\n", + sensor_info->name); } return err; } static const struct scmi_device_id scmi_id_table[] = { { SCMI_PROTOCOL_SENSOR, "iiodev" }, - {}, + { } }; MODULE_DEVICE_TABLE(scmi, scmi_id_table); diff --git a/drivers/iio/common/ssp_sensors/ssp_dev.c b/drivers/iio/common/ssp_sensors/ssp_dev.c index e64d242145e0..1e167dc673ca 100644 --- a/drivers/iio/common/ssp_sensors/ssp_dev.c +++ b/drivers/iio/common/ssp_sensors/ssp_dev.c @@ -167,7 +167,7 @@ static void ssp_wdt_work_func(struct work_struct *work) static void ssp_wdt_timer_func(struct timer_list *t) { - struct ssp_data *data = from_timer(data, t, wdt_timer); + struct ssp_data *data = timer_container_of(data, t, wdt_timer); switch (data->fw_dl_state) { case SSP_FW_DL_STATE_FAIL: @@ -190,7 +190,7 @@ static void ssp_enable_wdt_timer(struct ssp_data *data) static void ssp_disable_wdt_timer(struct ssp_data *data) { - del_timer_sync(&data->wdt_timer); + timer_delete_sync(&data->wdt_timer); cancel_work_sync(&data->work_wdt); } @@ -205,7 +205,7 @@ u32 ssp_get_sensor_delay(struct ssp_data *data, enum ssp_sensor_type type) { return data->delay_buf[type]; } -EXPORT_SYMBOL_NS(ssp_get_sensor_delay, IIO_SSP_SENSORS); +EXPORT_SYMBOL_NS(ssp_get_sensor_delay, "IIO_SSP_SENSORS"); /** * ssp_enable_sensor() - enables data acquisition for sensor @@ -267,7 +267,7 @@ int ssp_enable_sensor(struct ssp_data *data, enum ssp_sensor_type type, derror: return ret; } -EXPORT_SYMBOL_NS(ssp_enable_sensor, IIO_SSP_SENSORS); +EXPORT_SYMBOL_NS(ssp_enable_sensor, "IIO_SSP_SENSORS"); /** * ssp_change_delay() - changes data acquisition for sensor @@ -298,7 +298,7 @@ int ssp_change_delay(struct ssp_data *data, enum ssp_sensor_type type, return 0; } -EXPORT_SYMBOL_NS(ssp_change_delay, IIO_SSP_SENSORS); +EXPORT_SYMBOL_NS(ssp_change_delay, "IIO_SSP_SENSORS"); /** * ssp_disable_sensor() - disables sensor @@ -335,7 +335,7 @@ int ssp_disable_sensor(struct ssp_data *data, enum ssp_sensor_type type) return 0; } -EXPORT_SYMBOL_NS(ssp_disable_sensor, IIO_SSP_SENSORS); +EXPORT_SYMBOL_NS(ssp_disable_sensor, "IIO_SSP_SENSORS"); static irqreturn_t ssp_irq_thread_fn(int irq, void *dev_id) { @@ -434,7 +434,7 @@ static const struct of_device_id ssp_of_match[] = { .compatible = "samsung,sensorhub-thermostat", .data = &ssp_thermostat_info, }, - {}, + { } }; MODULE_DEVICE_TABLE(of, ssp_of_match); @@ -478,7 +478,7 @@ void ssp_register_consumer(struct iio_dev *indio_dev, enum ssp_sensor_type type) data->sensor_devs[type] = indio_dev; } -EXPORT_SYMBOL_NS(ssp_register_consumer, IIO_SSP_SENSORS); +EXPORT_SYMBOL_NS(ssp_register_consumer, "IIO_SSP_SENSORS"); static int ssp_probe(struct spi_device *spi) { @@ -589,7 +589,7 @@ static void ssp_remove(struct spi_device *spi) free_irq(data->spi->irq, data); - del_timer_sync(&data->wdt_timer); + timer_delete_sync(&data->wdt_timer); cancel_work_sync(&data->work_wdt); mutex_destroy(&data->comm_lock); diff --git a/drivers/iio/common/ssp_sensors/ssp_iio.c b/drivers/iio/common/ssp_sensors/ssp_iio.c index 88b8b56bfa51..78ac689de2fe 100644 --- a/drivers/iio/common/ssp_sensors/ssp_iio.c +++ b/drivers/iio/common/ssp_sensors/ssp_iio.c @@ -8,6 +8,8 @@ #include <linux/iio/kfifo_buf.h> #include <linux/module.h> #include <linux/slab.h> +#include <linux/unaligned.h> +#include <linux/units.h> #include "ssp_iio_sensor.h" /** @@ -32,7 +34,7 @@ int ssp_common_buffer_postenable(struct iio_dev *indio_dev) return ssp_enable_sensor(data, spd->type, ssp_get_sensor_delay(data, spd->type)); } -EXPORT_SYMBOL_NS(ssp_common_buffer_postenable, IIO_SSP_SENSORS); +EXPORT_SYMBOL_NS(ssp_common_buffer_postenable, "IIO_SSP_SENSORS"); /** * ssp_common_buffer_postdisable() - generic postdisable callback for ssp buffer @@ -55,7 +57,7 @@ int ssp_common_buffer_postdisable(struct iio_dev *indio_dev) return ret; } -EXPORT_SYMBOL_NS(ssp_common_buffer_postdisable, IIO_SSP_SENSORS); +EXPORT_SYMBOL_NS(ssp_common_buffer_postdisable, "IIO_SSP_SENSORS"); /** * ssp_common_process_data() - Common process data callback for ssp sensors @@ -70,8 +72,7 @@ EXPORT_SYMBOL_NS(ssp_common_buffer_postdisable, IIO_SSP_SENSORS); int ssp_common_process_data(struct iio_dev *indio_dev, void *buf, unsigned int len, int64_t timestamp) { - __le32 time; - int64_t calculated_time = 0; + int64_t calculated_time; struct ssp_sensor_data *spd = iio_priv(indio_dev); if (indio_dev->scan_bytes == 0) @@ -82,18 +83,15 @@ int ssp_common_process_data(struct iio_dev *indio_dev, void *buf, */ memcpy(spd->buffer, buf, len); - if (indio_dev->scan_timestamp) { - memcpy(&time, &((char *)buf)[len], SSP_TIME_SIZE); - calculated_time = - timestamp + (int64_t)le32_to_cpu(time) * 1000000; - } + calculated_time = timestamp + + (int64_t)get_unaligned_le32(buf + len) * MEGA; return iio_push_to_buffers_with_timestamp(indio_dev, spd->buffer, calculated_time); } -EXPORT_SYMBOL_NS(ssp_common_process_data, IIO_SSP_SENSORS); +EXPORT_SYMBOL_NS(ssp_common_process_data, "IIO_SSP_SENSORS"); MODULE_AUTHOR("Karol Wrona <k.wrona@samsung.com>"); MODULE_DESCRIPTION("Samsung sensorhub commons"); MODULE_LICENSE("GPL"); -MODULE_IMPORT_NS(IIO_SSP_SENSORS); +MODULE_IMPORT_NS("IIO_SSP_SENSORS"); diff --git a/drivers/iio/common/ssp_sensors/ssp_spi.c b/drivers/iio/common/ssp_sensors/ssp_spi.c index f32b04b63ea1..b7f093d7345b 100644 --- a/drivers/iio/common/ssp_sensors/ssp_spi.c +++ b/drivers/iio/common/ssp_sensors/ssp_spi.c @@ -104,7 +104,7 @@ static struct ssp_msg *ssp_create_msg(u8 cmd, u16 len, u16 opt, u32 data) /* * It is a bit heavy to do it this way but often the function is used to compose * the message from smaller chunks which are placed on the stack. Often the - * chunks are small so memcpy should be optimalized. + * chunks are small so memcpy should be optimized. */ static inline void ssp_fill_buffer(struct ssp_msg *m, unsigned int offset, const void *src, unsigned int len) diff --git a/drivers/iio/common/st_sensors/st_sensors_buffer.c b/drivers/iio/common/st_sensors/st_sensors_buffer.c index e2f108ca949c..57f087c2216f 100644 --- a/drivers/iio/common/st_sensors/st_sensors_buffer.c +++ b/drivers/iio/common/st_sensors/st_sensors_buffer.c @@ -76,4 +76,4 @@ st_sensors_get_buffer_element_error: return IRQ_HANDLED; } -EXPORT_SYMBOL_NS(st_sensors_trigger_handler, IIO_ST_SENSORS); +EXPORT_SYMBOL_NS(st_sensors_trigger_handler, "IIO_ST_SENSORS"); diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c index c77d7bdcc121..8ce1dccfea4f 100644 --- a/drivers/iio/common/st_sensors/st_sensors_core.c +++ b/drivers/iio/common/st_sensors/st_sensors_core.c @@ -16,7 +16,7 @@ #include <linux/property.h> #include <linux/regulator/consumer.h> #include <linux/regmap.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <linux/iio/common/st_sensors.h> #include "st_sensors_core.h" @@ -46,7 +46,7 @@ int st_sensors_debugfs_reg_access(struct iio_dev *indio_dev, return 0; } -EXPORT_SYMBOL_NS(st_sensors_debugfs_reg_access, IIO_ST_SENSORS); +EXPORT_SYMBOL_NS(st_sensors_debugfs_reg_access, "IIO_ST_SENSORS"); static int st_sensors_match_odr(struct st_sensor_settings *sensor_settings, unsigned int odr, struct st_sensor_odr_avl *odr_out) @@ -110,7 +110,7 @@ unlock_mutex: return err; } -EXPORT_SYMBOL_NS(st_sensors_set_odr, IIO_ST_SENSORS); +EXPORT_SYMBOL_NS(st_sensors_set_odr, "IIO_ST_SENSORS"); static int st_sensors_match_fs(struct st_sensor_settings *sensor_settings, unsigned int fs, int *index_fs_avl) @@ -203,7 +203,7 @@ int st_sensors_set_enable(struct iio_dev *indio_dev, bool enable) set_enable_error: return err; } -EXPORT_SYMBOL_NS(st_sensors_set_enable, IIO_ST_SENSORS); +EXPORT_SYMBOL_NS(st_sensors_set_enable, "IIO_ST_SENSORS"); int st_sensors_set_axis_enable(struct iio_dev *indio_dev, u8 axis_enable) { @@ -217,7 +217,7 @@ int st_sensors_set_axis_enable(struct iio_dev *indio_dev, u8 axis_enable) axis_enable); return err; } -EXPORT_SYMBOL_NS(st_sensors_set_axis_enable, IIO_ST_SENSORS); +EXPORT_SYMBOL_NS(st_sensors_set_axis_enable, "IIO_ST_SENSORS"); int st_sensors_power_enable(struct iio_dev *indio_dev) @@ -236,7 +236,7 @@ int st_sensors_power_enable(struct iio_dev *indio_dev) return 0; } -EXPORT_SYMBOL_NS(st_sensors_power_enable, IIO_ST_SENSORS); +EXPORT_SYMBOL_NS(st_sensors_power_enable, "IIO_ST_SENSORS"); static int st_sensors_set_drdy_int_pin(struct iio_dev *indio_dev, struct st_sensors_platform_data *pdata) @@ -331,7 +331,7 @@ void st_sensors_dev_name_probe(struct device *dev, char *name, int len) /* The name from the match takes precedence if present */ strscpy(name, match, len); } -EXPORT_SYMBOL_NS(st_sensors_dev_name_probe, IIO_ST_SENSORS); +EXPORT_SYMBOL_NS(st_sensors_dev_name_probe, "IIO_ST_SENSORS"); int st_sensors_init_sensor(struct iio_dev *indio_dev, struct st_sensors_platform_data *pdata) @@ -418,7 +418,7 @@ int st_sensors_init_sensor(struct iio_dev *indio_dev, return err; } -EXPORT_SYMBOL_NS(st_sensors_init_sensor, IIO_ST_SENSORS); +EXPORT_SYMBOL_NS(st_sensors_init_sensor, "IIO_ST_SENSORS"); int st_sensors_set_dataready_irq(struct iio_dev *indio_dev, bool enable) { @@ -467,7 +467,7 @@ int st_sensors_set_dataready_irq(struct iio_dev *indio_dev, bool enable) st_accel_set_dataready_irq_error: return err; } -EXPORT_SYMBOL_NS(st_sensors_set_dataready_irq, IIO_ST_SENSORS); +EXPORT_SYMBOL_NS(st_sensors_set_dataready_irq, "IIO_ST_SENSORS"); int st_sensors_set_fullscale_by_gain(struct iio_dev *indio_dev, int scale) { @@ -490,7 +490,7 @@ int st_sensors_set_fullscale_by_gain(struct iio_dev *indio_dev, int scale) st_sensors_match_scale_error: return err; } -EXPORT_SYMBOL_NS(st_sensors_set_fullscale_by_gain, IIO_ST_SENSORS); +EXPORT_SYMBOL_NS(st_sensors_set_fullscale_by_gain, "IIO_ST_SENSORS"); static int st_sensors_read_axis_data(struct iio_dev *indio_dev, struct iio_chan_spec const *ch, int *data) @@ -530,9 +530,8 @@ int st_sensors_read_info_raw(struct iio_dev *indio_dev, int err; struct st_sensor_data *sdata = iio_priv(indio_dev); - err = iio_device_claim_direct_mode(indio_dev); - if (err) - return err; + if (!iio_device_claim_direct(indio_dev)) + return -EBUSY; mutex_lock(&sdata->odr_lock); @@ -551,11 +550,11 @@ int st_sensors_read_info_raw(struct iio_dev *indio_dev, out: mutex_unlock(&sdata->odr_lock); - iio_device_release_direct_mode(indio_dev); + iio_device_release_direct(indio_dev); return err; } -EXPORT_SYMBOL_NS(st_sensors_read_info_raw, IIO_ST_SENSORS); +EXPORT_SYMBOL_NS(st_sensors_read_info_raw, "IIO_ST_SENSORS"); /* * st_sensors_get_settings_index() - get index of the sensor settings for a @@ -582,7 +581,7 @@ int st_sensors_get_settings_index(const char *name, return -ENODEV; } -EXPORT_SYMBOL_NS(st_sensors_get_settings_index, IIO_ST_SENSORS); +EXPORT_SYMBOL_NS(st_sensors_get_settings_index, "IIO_ST_SENSORS"); /* * st_sensors_verify_id() - verify sensor ID (WhoAmI) is matching with the @@ -606,16 +605,15 @@ int st_sensors_verify_id(struct iio_dev *indio_dev) } if (sdata->sensor_settings->wai != wai) { - dev_err(&indio_dev->dev, + dev_warn(&indio_dev->dev, "%s: WhoAmI mismatch (0x%x).\n", indio_dev->name, wai); - return -EINVAL; } } return 0; } -EXPORT_SYMBOL_NS(st_sensors_verify_id, IIO_ST_SENSORS); +EXPORT_SYMBOL_NS(st_sensors_verify_id, "IIO_ST_SENSORS"); ssize_t st_sensors_sysfs_sampling_frequency_avail(struct device *dev, struct device_attribute *attr, char *buf) @@ -635,7 +633,7 @@ ssize_t st_sensors_sysfs_sampling_frequency_avail(struct device *dev, return len; } -EXPORT_SYMBOL_NS(st_sensors_sysfs_sampling_frequency_avail, IIO_ST_SENSORS); +EXPORT_SYMBOL_NS(st_sensors_sysfs_sampling_frequency_avail, "IIO_ST_SENSORS"); ssize_t st_sensors_sysfs_scale_avail(struct device *dev, struct device_attribute *attr, char *buf) @@ -657,7 +655,7 @@ ssize_t st_sensors_sysfs_scale_avail(struct device *dev, return len; } -EXPORT_SYMBOL_NS(st_sensors_sysfs_scale_avail, IIO_ST_SENSORS); +EXPORT_SYMBOL_NS(st_sensors_sysfs_scale_avail, "IIO_ST_SENSORS"); MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); MODULE_DESCRIPTION("STMicroelectronics ST-sensors core"); diff --git a/drivers/iio/common/st_sensors/st_sensors_i2c.c b/drivers/iio/common/st_sensors/st_sensors_i2c.c index ee95082c7410..7156302fe997 100644 --- a/drivers/iio/common/st_sensors/st_sensors_i2c.c +++ b/drivers/iio/common/st_sensors/st_sensors_i2c.c @@ -61,7 +61,7 @@ int st_sensors_i2c_configure(struct iio_dev *indio_dev, return 0; } -EXPORT_SYMBOL_NS(st_sensors_i2c_configure, IIO_ST_SENSORS); +EXPORT_SYMBOL_NS(st_sensors_i2c_configure, "IIO_ST_SENSORS"); MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); MODULE_DESCRIPTION("STMicroelectronics ST-sensors i2c driver"); diff --git a/drivers/iio/common/st_sensors/st_sensors_spi.c b/drivers/iio/common/st_sensors/st_sensors_spi.c index 63e302c3fbaa..0da27013943d 100644 --- a/drivers/iio/common/st_sensors/st_sensors_spi.c +++ b/drivers/iio/common/st_sensors/st_sensors_spi.c @@ -113,7 +113,7 @@ int st_sensors_spi_configure(struct iio_dev *indio_dev, return 0; } -EXPORT_SYMBOL_NS(st_sensors_spi_configure, IIO_ST_SENSORS); +EXPORT_SYMBOL_NS(st_sensors_spi_configure, "IIO_ST_SENSORS"); MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); MODULE_DESCRIPTION("STMicroelectronics ST-sensors spi driver"); diff --git a/drivers/iio/common/st_sensors/st_sensors_trigger.c b/drivers/iio/common/st_sensors/st_sensors_trigger.c index a0df9250a69f..9d4bf822a15d 100644 --- a/drivers/iio/common/st_sensors/st_sensors_trigger.c +++ b/drivers/iio/common/st_sensors/st_sensors_trigger.c @@ -134,11 +134,11 @@ int st_sensors_allocate_trigger(struct iio_dev *indio_dev, iio_trigger_set_drvdata(sdata->trig, indio_dev); sdata->trig->ops = trigger_ops; - 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. */ + irq_trig = irq_get_trigger_type(sdata->irq); switch(irq_trig) { case IRQF_TRIGGER_FALLING: case IRQF_TRIGGER_LOW: @@ -227,7 +227,7 @@ int st_sensors_allocate_trigger(struct iio_dev *indio_dev, return 0; } -EXPORT_SYMBOL_NS(st_sensors_allocate_trigger, IIO_ST_SENSORS); +EXPORT_SYMBOL_NS(st_sensors_allocate_trigger, "IIO_ST_SENSORS"); int st_sensors_validate_device(struct iio_trigger *trig, struct iio_dev *indio_dev) @@ -239,4 +239,4 @@ int st_sensors_validate_device(struct iio_trigger *trig, return 0; } -EXPORT_SYMBOL_NS(st_sensors_validate_device, IIO_ST_SENSORS); +EXPORT_SYMBOL_NS(st_sensors_validate_device, "IIO_ST_SENSORS"); |