78 	struct ssp_msg *msg;  in ssp_create_msg()  local
80 	msg = kzalloc(sizeof(*msg), GFP_KERNEL);  in ssp_create_msg()
81 	if (!msg)  in ssp_create_msg()
89 	msg->buffer = kzalloc(SSP_HEADER_SIZE_ALIGNED + len,  in ssp_create_msg()
91 	if (!msg->buffer) {  in ssp_create_msg()
92 		kfree(msg);  in ssp_create_msg()
96 	msg->length = len;  in ssp_create_msg()
97 	msg->options = opt;  in ssp_create_msg()
99 	memcpy(msg->buffer, &h, SSP_HEADER_SIZE);  in ssp_create_msg()
101 	return msg;  in ssp_create_msg()
177 static int ssp_do_transfer(struct ssp_data *data, struct ssp_msg *msg,  in ssp_do_transfer()  argument
185 	const bool use_no_irq = msg->length == 0;  in ssp_do_transfer()
190 	msg->done = done;  in ssp_do_transfer()
198 	status = spi_write(data->spi, msg->buffer, SSP_HEADER_SIZE);  in ssp_do_transfer()
207 		list_add_tail(&msg->list, &data->pending_list);  in ssp_do_transfer()
215 			list_del(&msg->list);  in ssp_do_transfer()
228 			list_del(&msg->list);  in ssp_do_transfer()
244 				       struct ssp_msg *msg)  in ssp_spi_sync_command()  argument
246 	return ssp_do_transfer(data, msg, NULL, 0);  in ssp_spi_sync_command()
249 static int ssp_spi_sync(struct ssp_data *data, struct ssp_msg *msg,  in ssp_spi_sync()  argument
254 	if (WARN_ON(!msg->length))  in ssp_spi_sync()
257 	return ssp_do_transfer(data, msg, &done, timeout);  in ssp_spi_sync()
338 	struct ssp_msg *msg = NULL, *iter, *n;  in ssp_irq_msg()  local
367 				msg = iter;  in ssp_irq_msg()
372 		if (!msg) {  in ssp_irq_msg()
399 				       &msg->buffer[SSP_HEADER_SIZE_ALIGNED],  in ssp_irq_msg()
400 				       msg->length);  in ssp_irq_msg()
404 					&msg->buffer[SSP_HEADER_SIZE_ALIGNED],  in ssp_irq_msg()
405 					msg->length);  in ssp_irq_msg()
407 				msg->options =  in ssp_irq_msg()
409 				msg->length = 1;  in ssp_irq_msg()
411 				list_add_tail(&msg->list, &data->pending_list);  in ssp_irq_msg()
416 		if (msg->done)  in ssp_irq_msg()
417 			if (!completion_done(msg->done))  in ssp_irq_msg()
418 				complete(msg->done);  in ssp_irq_msg()
449 	struct ssp_msg *msg, *n;  in ssp_clean_pending_list()  local
452 	list_for_each_entry_safe(msg, n, &data->pending_list, list) {  in ssp_clean_pending_list()
453 		list_del(&msg->list);  in ssp_clean_pending_list()
455 		if (msg->done)  in ssp_clean_pending_list()
456 			if (!completion_done(msg->done))  in ssp_clean_pending_list()
457 				complete(msg->done);  in ssp_clean_pending_list()
465 	struct ssp_msg *msg;  in ssp_command()  local
467 	msg = ssp_create_msg(command, 0, SSP_AP2HUB_WRITE, arg);  in ssp_command()
468 	if (!msg)  in ssp_command()
473 	ret = ssp_spi_sync_command(data, msg);  in ssp_command()
474 	ssp_clean_msg(msg);  in ssp_command()
483 	struct ssp_msg *msg;  in ssp_send_instruction()  local
496 	msg = ssp_create_msg(inst, length + 2, SSP_AP2HUB_WRITE, 0);  in ssp_send_instruction()
497 	if (!msg)  in ssp_send_instruction()
500 	ssp_fill_buffer(msg, 0, &sensor_type, 1);  in ssp_send_instruction()
501 	ssp_fill_buffer(msg, 1, send_buf, length);  in ssp_send_instruction()
506 	ret = ssp_spi_sync(data, msg, 1000);  in ssp_send_instruction()
507 	ssp_clean_msg(msg);  in ssp_send_instruction()
516 	struct ssp_msg *msg;  in ssp_get_chipid()  local
518 	msg = ssp_create_msg(SSP_MSG2SSP_AP_WHOAMI, 1, SSP_AP2HUB_READ, 0);  in ssp_get_chipid()
519 	if (!msg)  in ssp_get_chipid()
522 	ret = ssp_spi_sync(data, msg, 1000);  in ssp_get_chipid()
524 	buffer = SSP_GET_BUFFER_AT_INDEX(msg, 0);  in ssp_get_chipid()
526 	ssp_clean_msg(msg);  in ssp_get_chipid()
534 	struct ssp_msg *msg;  in ssp_set_magnetic_matrix()  local
536 	msg = ssp_create_msg(SSP_MSG2SSP_AP_SET_MAGNETIC_STATIC_MATRIX,  in ssp_set_magnetic_matrix()
539 	if (!msg)  in ssp_set_magnetic_matrix()
542 	ssp_fill_buffer(msg, 0, data->sensorhub_info->mag_table,  in ssp_set_magnetic_matrix()
545 	ret = ssp_spi_sync(data, msg, 1000);  in ssp_set_magnetic_matrix()
546 	ssp_clean_msg(msg);  in ssp_set_magnetic_matrix()
557 	struct ssp_msg *msg = ssp_create_msg(SSP_MSG2SSP_AP_SENSOR_SCANNING, 4,  in ssp_get_sensor_scanning_info()  local
559 	if (!msg)  in ssp_get_sensor_scanning_info()
562 	ret = ssp_spi_sync(data, msg, 1000);  in ssp_get_sensor_scanning_info()
568 	ssp_get_buffer(msg, 0, &result, 4);  in ssp_get_sensor_scanning_info()
574 	ssp_clean_msg(msg);  in ssp_get_sensor_scanning_info()
583 	struct ssp_msg *msg = ssp_create_msg(SSP_MSG2SSP_AP_FIRMWARE_REV, 4,  in ssp_get_firmware_rev()  local
585 	if (!msg)  in ssp_get_firmware_rev()
588 	ret = ssp_spi_sync(data, msg, 1000);  in ssp_get_firmware_rev()
595 	ssp_get_buffer(msg, 0, &result, 4);  in ssp_get_firmware_rev()
599 	ssp_clean_msg(msg);  in ssp_get_firmware_rev()