49 	struct adis16130_state *st = iio_priv(indio_dev);  in adis16130_spi_read()  local
51 		.tx_buf = st->buf,  in adis16130_spi_read()
52 		.rx_buf = st->buf,  in adis16130_spi_read()
56 	mutex_lock(&st->buf_lock);  in adis16130_spi_read()
58 	st->buf[0] = ADIS16130_CON_RD | reg_addr;  in adis16130_spi_read()
59 	st->buf[1] = st->buf[2] = st->buf[3] = 0;  in adis16130_spi_read()
61 	ret = spi_sync_transfer(st->us, &xfer, 1);  in adis16130_spi_read()
63 		*val = (st->buf[1] << 16) | (st->buf[2] << 8) | st->buf[3];  in adis16130_spi_read()
64 	mutex_unlock(&st->buf_lock);  in adis16130_spi_read()
145 	struct adis16130_state *st;  in adis16130_probe()  local
149 	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));  in adis16130_probe()
152 	st = iio_priv(indio_dev);  in adis16130_probe()
155 	st->us = spi;  in adis16130_probe()
156 	mutex_init(&st->buf_lock);  in adis16130_probe()