Hi all, On 21/2/21 17:29, Jonathan Cameron wrote: > On Mon, 23 Nov 2020 16:40:16 +0200 > Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx> wrote: > >> This whole code-block was put under one big if() condition/block. >> This change does an early return if the 'physical_device' boolean is false, >> thus unindenting the block by one level. >> >> No other functional change has been done. >> >> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx> > @Gwendal, others This series from Alex has been outstanding for a while > but may well still apply. > Ideally looking for an ack. > This looks good to me. Acked-by: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx> Thanks, Enric > Thanks, > > Jonathan > >> --- >> .../cros_ec_sensors/cros_ec_sensors_core.c | 161 +++++++++--------- >> 1 file changed, 81 insertions(+), 80 deletions(-) >> >> 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 5c6c4e6fec9b..9470014936f2 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 >> @@ -287,89 +287,90 @@ int cros_ec_sensors_core_init(struct platform_device *pdev, >> >> indio_dev->name = pdev->name; >> >> - if (physical_device) { >> - state->param.cmd = MOTIONSENSE_CMD_INFO; >> - state->param.info.sensor_num = sensor_platform->sensor_num; >> - ret = cros_ec_motion_send_host_cmd(state, 0); >> - if (ret) { >> - dev_warn(dev, "Can not access sensor info\n"); >> + if (!physical_device) >> + return 0; >> + >> + state->param.cmd = MOTIONSENSE_CMD_INFO; >> + state->param.info.sensor_num = sensor_platform->sensor_num; >> + ret = cros_ec_motion_send_host_cmd(state, 0); >> + if (ret) { >> + dev_warn(dev, "Can not access sensor info\n"); >> + return ret; >> + } >> + state->type = state->resp->info.type; >> + state->loc = state->resp->info.location; >> + >> + /* Set sign vector, only used for backward compatibility. */ >> + memset(state->sign, 1, CROS_EC_SENSOR_MAX_AXIS); >> + >> + for (i = CROS_EC_SENSOR_X; i < CROS_EC_SENSOR_MAX_AXIS; i++) >> + state->calib[i].scale = MOTION_SENSE_DEFAULT_SCALE; >> + >> + /* 0 is a correct value used to stop the device */ >> + if (state->msg->version < 3) { >> + get_default_min_max_freq(state->resp->info.type, >> + &frequencies[1], >> + &frequencies[2], >> + &state->fifo_max_event_count); >> + } else { >> + frequencies[1] = state->resp->info_3.min_frequency; >> + frequencies[2] = state->resp->info_3.max_frequency; >> + state->fifo_max_event_count = >> + state->resp->info_3.fifo_max_event_count; >> + } >> + for (i = 0; i < ARRAY_SIZE(frequencies); i++) { >> + state->frequencies[2 * i] = frequencies[i] / 1000; >> + state->frequencies[2 * i + 1] = >> + (frequencies[i] % 1000) * 1000; >> + } >> + >> + if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE_FIFO)) { >> + /* >> + * Create a software buffer, feed by the EC FIFO. >> + * We can not use trigger here, as events are generated >> + * as soon as sample_frequency is set. >> + */ >> + struct iio_buffer *buffer; >> + >> + buffer = devm_iio_kfifo_allocate(dev); >> + if (!buffer) >> + return -ENOMEM; >> + >> + iio_device_attach_buffer(indio_dev, buffer); >> + indio_dev->modes = INDIO_BUFFER_SOFTWARE; >> + >> + ret = cros_ec_sensorhub_register_push_data( >> + sensor_hub, sensor_platform->sensor_num, >> + indio_dev, push_data); >> + if (ret) >> return ret; >> - } >> - state->type = state->resp->info.type; >> - state->loc = state->resp->info.location; >> >> - /* Set sign vector, only used for backward compatibility. */ >> - memset(state->sign, 1, CROS_EC_SENSOR_MAX_AXIS); >> + ret = devm_add_action_or_reset( >> + dev, cros_ec_sensors_core_clean, pdev); >> + if (ret) >> + return ret; >> >> - for (i = CROS_EC_SENSOR_X; i < CROS_EC_SENSOR_MAX_AXIS; i++) >> - state->calib[i].scale = MOTION_SENSE_DEFAULT_SCALE; >> - >> - /* 0 is a correct value used to stop the device */ >> - if (state->msg->version < 3) { >> - get_default_min_max_freq(state->resp->info.type, >> - &frequencies[1], >> - &frequencies[2], >> - &state->fifo_max_event_count); >> - } else { >> - frequencies[1] = state->resp->info_3.min_frequency; >> - frequencies[2] = state->resp->info_3.max_frequency; >> - state->fifo_max_event_count = >> - state->resp->info_3.fifo_max_event_count; >> - } >> - for (i = 0; i < ARRAY_SIZE(frequencies); i++) { >> - state->frequencies[2 * i] = frequencies[i] / 1000; >> - state->frequencies[2 * i + 1] = >> - (frequencies[i] % 1000) * 1000; >> - } >> - >> - if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE_FIFO)) { >> - /* >> - * Create a software buffer, feed by the EC FIFO. >> - * We can not use trigger here, as events are generated >> - * as soon as sample_frequency is set. >> - */ >> - struct iio_buffer *buffer; >> - >> - buffer = devm_iio_kfifo_allocate(dev); >> - if (!buffer) >> - return -ENOMEM; >> - >> - iio_device_attach_buffer(indio_dev, buffer); >> - indio_dev->modes = INDIO_BUFFER_SOFTWARE; >> - >> - ret = cros_ec_sensorhub_register_push_data( >> - sensor_hub, sensor_platform->sensor_num, >> - indio_dev, push_data); >> - if (ret) >> - return ret; >> - >> - ret = devm_add_action_or_reset( >> - dev, cros_ec_sensors_core_clean, pdev); >> - if (ret) >> - return ret; >> - >> - /* Timestamp coming from FIFO are in ns since boot. */ >> - ret = iio_device_set_clock(indio_dev, CLOCK_BOOTTIME); >> - if (ret) >> - return ret; >> - } else { >> - const struct attribute **fifo_attrs; >> - >> - if (has_hw_fifo) >> - fifo_attrs = cros_ec_sensor_fifo_attributes; >> - else >> - fifo_attrs = NULL; >> - >> - /* >> - * The only way to get samples in buffer is to set a >> - * software trigger (systrig, hrtimer). >> - */ >> - ret = devm_iio_triggered_buffer_setup_ext( >> - dev, indio_dev, NULL, trigger_capture, >> - NULL, fifo_attrs); >> - if (ret) >> - return ret; >> - } >> + /* Timestamp coming from FIFO are in ns since boot. */ >> + ret = iio_device_set_clock(indio_dev, CLOCK_BOOTTIME); >> + if (ret) >> + return ret; >> + } else { >> + const struct attribute **fifo_attrs; >> + >> + if (has_hw_fifo) >> + fifo_attrs = cros_ec_sensor_fifo_attributes; >> + else >> + fifo_attrs = NULL; >> + >> + /* >> + * The only way to get samples in buffer is to set a >> + * software trigger (systrig, hrtimer). >> + */ >> + ret = devm_iio_triggered_buffer_setup_ext( >> + dev, indio_dev, NULL, trigger_capture, >> + NULL, fifo_attrs); >> + if (ret) >> + return ret; >> } >> >> return 0; >