88 	struct ssp_msg *msg;  in ssp_create_msg()  local
90 	msg = kzalloc(sizeof(*msg), GFP_KERNEL);  in ssp_create_msg()
91 	if (!msg)  in ssp_create_msg()
99 	msg->buffer = kzalloc(SSP_HEADER_SIZE_ALIGNED + len,  in ssp_create_msg()
101 	if (!msg->buffer) {  in ssp_create_msg()
102 		kfree(msg);  in ssp_create_msg()
106 	msg->length = len;  in ssp_create_msg()
107 	msg->options = opt;  in ssp_create_msg()
109 	memcpy(msg->buffer, &h, SSP_HEADER_SIZE);  in ssp_create_msg()
111 	return msg;  in ssp_create_msg()
187 static int ssp_do_transfer(struct ssp_data *data, struct ssp_msg *msg,  in ssp_do_transfer()  argument
195 	const bool use_no_irq = msg->length == 0;  in ssp_do_transfer()
200 	msg->done = done;  in ssp_do_transfer()
208 	status = spi_write(data->spi, msg->buffer, SSP_HEADER_SIZE);  in ssp_do_transfer()
217 		list_add_tail(&msg->list, &data->pending_list);  in ssp_do_transfer()
225 			list_del(&msg->list);  in ssp_do_transfer()
238 			list_del(&msg->list);  in ssp_do_transfer()
254 				       struct ssp_msg *msg)  in ssp_spi_sync_command()  argument
256 	return ssp_do_transfer(data, msg, NULL, 0);  in ssp_spi_sync_command()
259 static int ssp_spi_sync(struct ssp_data *data, struct ssp_msg *msg,  in ssp_spi_sync()  argument
264 	if (WARN_ON(!msg->length))  in ssp_spi_sync()
267 	return ssp_do_transfer(data, msg, &done, timeout);  in ssp_spi_sync()
345 	struct ssp_msg *msg, *n;  in ssp_irq_msg()  local
371 		list_for_each_entry_safe(msg, n, &data->pending_list, list) {  in ssp_irq_msg()
372 			if (msg->options == msg_options) {  in ssp_irq_msg()
373 				list_del(&msg->list);  in ssp_irq_msg()
406 				       &msg->buffer[SSP_HEADER_SIZE_ALIGNED],  in ssp_irq_msg()
407 				       msg->length);  in ssp_irq_msg()
411 					&msg->buffer[SSP_HEADER_SIZE_ALIGNED],  in ssp_irq_msg()
412 					msg->length);  in ssp_irq_msg()
414 				msg->options =  in ssp_irq_msg()
416 				msg->length = 1;  in ssp_irq_msg()
418 				list_add_tail(&msg->list, &data->pending_list);  in ssp_irq_msg()
423 		if (msg->done)  in ssp_irq_msg()
424 			if (!completion_done(msg->done))  in ssp_irq_msg()
425 				complete(msg->done);  in ssp_irq_msg()
456 	struct ssp_msg *msg, *n;  in ssp_clean_pending_list()  local
459 	list_for_each_entry_safe(msg, n, &data->pending_list, list) {  in ssp_clean_pending_list()
460 		list_del(&msg->list);  in ssp_clean_pending_list()
462 		if (msg->done)  in ssp_clean_pending_list()
463 			if (!completion_done(msg->done))  in ssp_clean_pending_list()
464 				complete(msg->done);  in ssp_clean_pending_list()
472 	struct ssp_msg *msg;  in ssp_command()  local
474 	msg = ssp_create_msg(command, 0, SSP_AP2HUB_WRITE, arg);  in ssp_command()
475 	if (!msg)  in ssp_command()
480 	ret = ssp_spi_sync_command(data, msg);  in ssp_command()
481 	ssp_clean_msg(msg);  in ssp_command()
490 	struct ssp_msg *msg;  in ssp_send_instruction()  local
503 	msg = ssp_create_msg(inst, length + 2, SSP_AP2HUB_WRITE, 0);  in ssp_send_instruction()
504 	if (!msg)  in ssp_send_instruction()
507 	ssp_fill_buffer(msg, 0, &sensor_type, 1);  in ssp_send_instruction()
508 	ssp_fill_buffer(msg, 1, send_buf, length);  in ssp_send_instruction()
513 	ret = ssp_spi_sync(data, msg, 1000);  in ssp_send_instruction()
514 	ssp_clean_msg(msg);  in ssp_send_instruction()
523 	struct ssp_msg *msg;  in ssp_get_chipid()  local
525 	msg = ssp_create_msg(SSP_MSG2SSP_AP_WHOAMI, 1, SSP_AP2HUB_READ, 0);  in ssp_get_chipid()
526 	if (!msg)  in ssp_get_chipid()
529 	ret = ssp_spi_sync(data, msg, 1000);  in ssp_get_chipid()
531 	buffer = SSP_GET_BUFFER_AT_INDEX(msg, 0);  in ssp_get_chipid()
533 	ssp_clean_msg(msg);  in ssp_get_chipid()
541 	struct ssp_msg *msg;  in ssp_set_magnetic_matrix()  local
543 	msg = ssp_create_msg(SSP_MSG2SSP_AP_SET_MAGNETIC_STATIC_MATRIX,  in ssp_set_magnetic_matrix()
546 	if (!msg)  in ssp_set_magnetic_matrix()
549 	ssp_fill_buffer(msg, 0, data->sensorhub_info->mag_table,  in ssp_set_magnetic_matrix()
552 	ret = ssp_spi_sync(data, msg, 1000);  in ssp_set_magnetic_matrix()
553 	ssp_clean_msg(msg);  in ssp_set_magnetic_matrix()
564 	struct ssp_msg *msg = ssp_create_msg(SSP_MSG2SSP_AP_SENSOR_SCANNING, 4,  in ssp_get_sensor_scanning_info()  local
566 	if (!msg)  in ssp_get_sensor_scanning_info()
569 	ret = ssp_spi_sync(data, msg, 1000);  in ssp_get_sensor_scanning_info()
575 	ssp_get_buffer(msg, 0, &result, 4);  in ssp_get_sensor_scanning_info()
581 	ssp_clean_msg(msg);  in ssp_get_sensor_scanning_info()
590 	struct ssp_msg *msg = ssp_create_msg(SSP_MSG2SSP_AP_FIRMWARE_REV, 4,  in ssp_get_firmware_rev()  local
592 	if (!msg)  in ssp_get_firmware_rev()
595 	ret = ssp_spi_sync(data, msg, 1000);  in ssp_get_firmware_rev()
602 	ssp_get_buffer(msg, 0, &result, 4);  in ssp_get_firmware_rev()
606 	ssp_clean_msg(msg);  in ssp_get_firmware_rev()