25 	struct adis *adis = iio_device_get_drvdata(indio_dev);  in adis_update_scan_mode_burst()  local
29 	burst_length = adis->data->burst_len + adis->burst_extra_len;  in adis_update_scan_mode_burst()
31 	if (adis->data->burst_max_len)  in adis_update_scan_mode_burst()
32 		burst_max_length = adis->data->burst_max_len;  in adis_update_scan_mode_burst()
36 	adis->xfer = kcalloc(2, sizeof(*adis->xfer), GFP_KERNEL);  in adis_update_scan_mode_burst()
37 	if (!adis->xfer)  in adis_update_scan_mode_burst()
40 	adis->buffer = kzalloc(burst_max_length + sizeof(u16), GFP_KERNEL);  in adis_update_scan_mode_burst()
41 	if (!adis->buffer) {  in adis_update_scan_mode_burst()
42 		kfree(adis->xfer);  in adis_update_scan_mode_burst()
43 		adis->xfer = NULL;  in adis_update_scan_mode_burst()
47 	tx = adis->buffer + burst_max_length;  in adis_update_scan_mode_burst()
48 	tx[0] = ADIS_READ_REG(adis->data->burst_reg_cmd);  in adis_update_scan_mode_burst()
51 	adis->xfer[0].tx_buf = tx;  in adis_update_scan_mode_burst()
52 	adis->xfer[0].bits_per_word = 8;  in adis_update_scan_mode_burst()
53 	adis->xfer[0].len = 2;  in adis_update_scan_mode_burst()
54 	adis->xfer[1].rx_buf = adis->buffer;  in adis_update_scan_mode_burst()
55 	adis->xfer[1].bits_per_word = 8;  in adis_update_scan_mode_burst()
56 	adis->xfer[1].len = burst_length;  in adis_update_scan_mode_burst()
58 	spi_message_init(&adis->msg);  in adis_update_scan_mode_burst()
59 	spi_message_add_tail(&adis->xfer[0], &adis->msg);  in adis_update_scan_mode_burst()
60 	spi_message_add_tail(&adis->xfer[1], &adis->msg);  in adis_update_scan_mode_burst()
68 	struct adis *adis = iio_device_get_drvdata(indio_dev);  in adis_update_scan_mode()  local
74 	kfree(adis->xfer);  in adis_update_scan_mode()
75 	kfree(adis->buffer);  in adis_update_scan_mode()
77 	if (adis->data->burst_len)  in adis_update_scan_mode()
82 	adis->xfer = kcalloc(scan_count + 1, sizeof(*adis->xfer), GFP_KERNEL);  in adis_update_scan_mode()
83 	if (!adis->xfer)  in adis_update_scan_mode()
86 	adis->buffer = kcalloc(indio_dev->scan_bytes, 2, GFP_KERNEL);  in adis_update_scan_mode()
87 	if (!adis->buffer) {  in adis_update_scan_mode()
88 		kfree(adis->xfer);  in adis_update_scan_mode()
89 		adis->xfer = NULL;  in adis_update_scan_mode()
93 	rx = adis->buffer;  in adis_update_scan_mode()
96 	spi_message_init(&adis->msg);  in adis_update_scan_mode()
99 		adis->xfer[j].bits_per_word = 8;  in adis_update_scan_mode()
101 			adis->xfer[j].cs_change = 1;  in adis_update_scan_mode()
102 		adis->xfer[j].len = 2;  in adis_update_scan_mode()
103 		adis->xfer[j].delay.value = adis->data->read_delay;  in adis_update_scan_mode()
104 		adis->xfer[j].delay.unit = SPI_DELAY_UNIT_USECS;  in adis_update_scan_mode()
106 			adis->xfer[j].tx_buf = &tx[j];  in adis_update_scan_mode()
108 			adis->xfer[j].rx_buf = &rx[j - 1];  in adis_update_scan_mode()
109 		spi_message_add_tail(&adis->xfer[j], &adis->msg);  in adis_update_scan_mode()
129 	struct adis *adis = iio_device_get_drvdata(indio_dev);  in adis_trigger_handler()  local
132 	if (adis->data->has_paging) {  in adis_trigger_handler()
133 		mutex_lock(&adis->state_lock);  in adis_trigger_handler()
134 		if (adis->current_page != 0) {  in adis_trigger_handler()
135 			adis->tx[0] = ADIS_WRITE_REG(ADIS_REG_PAGE_ID);  in adis_trigger_handler()
136 			adis->tx[1] = 0;  in adis_trigger_handler()
137 			spi_write(adis->spi, adis->tx, 2);  in adis_trigger_handler()
141 	ret = spi_sync(adis->spi, &adis->msg);  in adis_trigger_handler()
143 		dev_err(&adis->spi->dev, "Failed to read data: %d", ret);  in adis_trigger_handler()
146 	if (adis->data->has_paging) {  in adis_trigger_handler()
147 		adis->current_page = 0;  in adis_trigger_handler()
148 		mutex_unlock(&adis->state_lock);  in adis_trigger_handler()
151 	iio_push_to_buffers_with_timestamp(indio_dev, adis->buffer,  in adis_trigger_handler()
161 	struct adis *adis = arg;  in adis_buffer_cleanup()  local
163 	kfree(adis->buffer);  in adis_buffer_cleanup()
164 	kfree(adis->xfer);  in adis_buffer_cleanup()
182 devm_adis_setup_buffer_and_trigger(struct adis *adis, struct iio_dev *indio_dev,  in devm_adis_setup_buffer_and_trigger()  argument
190 	ret = devm_iio_triggered_buffer_setup(&adis->spi->dev, indio_dev,  in devm_adis_setup_buffer_and_trigger()
196 	if (adis->spi->irq) {  in devm_adis_setup_buffer_and_trigger()
197 		ret = devm_adis_probe_trigger(adis, indio_dev);  in devm_adis_setup_buffer_and_trigger()
202 	return devm_add_action_or_reset(&adis->spi->dev, adis_buffer_cleanup,  in devm_adis_setup_buffer_and_trigger()
203 					adis);  in devm_adis_setup_buffer_and_trigger()