drivers/i2c/i2c-slave-testunit.c

48 	struct testunit_data *tu = container_of(work, struct testunit_data, worker.work);
56 	switch (tu->regs[TU_REG_CMD]) {
58 		msg.addr = tu->regs[TU_REG_DATAL];
60 		msg.len = tu->regs[TU_REG_DATAH];
67 		msgbuf[0] = tu->client->addr;
68 		msgbuf[1] = tu->regs[TU_REG_DATAL];
69 		msgbuf[2] = tu->regs[TU_REG_DATAH];
77 		ret = i2c_transfer(tu->client->adapter, &msg, 1);
83 		dev_err(&tu->client->dev, "CMD%02X failed (%d)\n", tu->regs[TU_REG_CMD], ret);
85 	clear_bit(TU_FLAG_IN_PROCESS, &tu->flags);
91 	struct testunit_data *tu = i2c_get_clientdata(client);
92 	bool is_proc_call = tu->reg_idx == 3 && tu->regs[TU_REG_DATAL] == 1 &&
93 			    tu->regs[TU_REG_CMD] == TU_CMD_SMBUS_BLOCK_PROC_CALL;
98 		if (test_bit(TU_FLAG_IN_PROCESS, &tu->flags))
101 		if (tu->reg_idx < TU_NUM_REGS)
102 			tu->regs[tu->reg_idx] = *val;
106 		if (tu->reg_idx <= TU_NUM_REGS)
107 			tu->reg_idx++;
110 		if (tu->regs[TU_REG_CMD] >= TU_NUM_CMDS)
116 		if (tu->reg_idx == TU_NUM_REGS) {
117 			set_bit(TU_FLAG_IN_PROCESS, &tu->flags);
118 			queue_delayed_work(system_long_wq, &tu->worker,
119 					   msecs_to_jiffies(10 * tu->regs[TU_REG_DELAY]));
124 		memset(tu->regs, 0, TU_NUM_REGS);
125 		tu->reg_idx = 0;
129 		if (is_proc_call && tu->regs[TU_REG_DATAH])
130 			tu->regs[TU_REG_DATAH]--;
134 		*val = is_proc_call ? tu->regs[TU_REG_DATAH] : TU_CUR_VERSION;
143 	struct testunit_data *tu;
145 	tu = devm_kzalloc(&client->dev, sizeof(struct testunit_data), GFP_KERNEL);
146 	if (!tu)
149 	tu->client = client;
150 	i2c_set_clientdata(client, tu);
151 	INIT_DELAYED_WORK(&tu->worker, i2c_slave_testunit_work);
158 	struct testunit_data *tu = i2c_get_clientdata(client);
160 	cancel_delayed_work_sync(&tu->worker);