// SPDX-License-Identifier: GPL-2.0/* * Basic framing protocol for STM devices. * Copyright (c) 2018, Intel Corporation. */ #include <linux/module.h>#include <linux/device.h>#include <linux/stm.h>#include "stm.h" static ssize_t basic_write(struct stm_data *data, struct stm_output *output,			   unsigned int chan, const char *buf, size_t count,			   struct stm_source_data *source){	unsigned int c = output->channel + chan;	unsigned int m = output->master;	const unsigned char nil = 0;	ssize_t sz; 	sz = stm_data_write(data, m, c, true, buf, count);	if (sz > 0)		data->packet(data, m, c, STP_PACKET_FLAG, 0, 0, &nil); 	return sz;} static const struct stm_protocol_driver basic_pdrv = {	.owner	= THIS_MODULE,	.name	= "p_basic",	.write	= basic_write,}; static int basic_stm_init(void){	return stm_register_protocol(&basic_pdrv);} static void basic_stm_exit(void){	stm_unregister_protocol(&basic_pdrv);} module_init(basic_stm_init);module_exit(basic_stm_exit); MODULE_LICENSE("GPL v2");MODULE_DESCRIPTION("Basic STM framing protocol driver");MODULE_AUTHOR("Alexander Shishkin <alexander.shishkin@linux.intel.com>");