48 	struct eeprom_data *eeprom = i2c_get_clientdata(client);  in i2c_slave_eeprom_slave_cb()  local
52 		if (eeprom->idx_write_cnt < eeprom->num_address_bytes) {  in i2c_slave_eeprom_slave_cb()
53 			if (eeprom->idx_write_cnt == 0)  in i2c_slave_eeprom_slave_cb()
54 				eeprom->buffer_idx = 0;  in i2c_slave_eeprom_slave_cb()
55 			eeprom->buffer_idx = *val | (eeprom->buffer_idx << 8);  in i2c_slave_eeprom_slave_cb()
56 			eeprom->idx_write_cnt++;  in i2c_slave_eeprom_slave_cb()
58 			if (!eeprom->read_only) {  in i2c_slave_eeprom_slave_cb()
59 				spin_lock(&eeprom->buffer_lock);  in i2c_slave_eeprom_slave_cb()
60 				eeprom->buffer[eeprom->buffer_idx++ & eeprom->address_mask] = *val;  in i2c_slave_eeprom_slave_cb()
61 				spin_unlock(&eeprom->buffer_lock);  in i2c_slave_eeprom_slave_cb()
68 		eeprom->buffer_idx++;  in i2c_slave_eeprom_slave_cb()
71 		spin_lock(&eeprom->buffer_lock);  in i2c_slave_eeprom_slave_cb()
72 		*val = eeprom->buffer[eeprom->buffer_idx & eeprom->address_mask];  in i2c_slave_eeprom_slave_cb()
73 		spin_unlock(&eeprom->buffer_lock);  in i2c_slave_eeprom_slave_cb()
83 		eeprom->idx_write_cnt = 0;  in i2c_slave_eeprom_slave_cb()
96 	struct eeprom_data *eeprom;  in i2c_slave_eeprom_bin_read()  local
99 	eeprom = dev_get_drvdata(kobj_to_dev(kobj));  in i2c_slave_eeprom_bin_read()
101 	spin_lock_irqsave(&eeprom->buffer_lock, flags);  in i2c_slave_eeprom_bin_read()
102 	memcpy(buf, &eeprom->buffer[off], count);  in i2c_slave_eeprom_bin_read()
103 	spin_unlock_irqrestore(&eeprom->buffer_lock, flags);  in i2c_slave_eeprom_bin_read()
111 	struct eeprom_data *eeprom;  in i2c_slave_eeprom_bin_write()  local
114 	eeprom = dev_get_drvdata(kobj_to_dev(kobj));  in i2c_slave_eeprom_bin_write()
116 	spin_lock_irqsave(&eeprom->buffer_lock, flags);  in i2c_slave_eeprom_bin_write()
117 	memcpy(&eeprom->buffer[off], buf, count);  in i2c_slave_eeprom_bin_write()
118 	spin_unlock_irqrestore(&eeprom->buffer_lock, flags);  in i2c_slave_eeprom_bin_write()
123 static int i2c_slave_init_eeprom_data(struct eeprom_data *eeprom, struct i2c_client *client,  in i2c_slave_init_eeprom_data()  argument
132 						eeprom->buffer, size);  in i2c_slave_init_eeprom_data()
138 		memset(eeprom->buffer, 0xff, size);  in i2c_slave_init_eeprom_data()
145 	struct eeprom_data *eeprom;  in i2c_slave_eeprom_probe()  local
150 	eeprom = devm_kzalloc(&client->dev, sizeof(struct eeprom_data) + size, GFP_KERNEL);  in i2c_slave_eeprom_probe()
151 	if (!eeprom)  in i2c_slave_eeprom_probe()
154 	eeprom->num_address_bytes = flag_addr16 ? 2 : 1;  in i2c_slave_eeprom_probe()
155 	eeprom->address_mask = size - 1;  in i2c_slave_eeprom_probe()
156 	eeprom->read_only = FIELD_GET(I2C_SLAVE_FLAG_RO, id->driver_data);  in i2c_slave_eeprom_probe()
157 	spin_lock_init(&eeprom->buffer_lock);  in i2c_slave_eeprom_probe()
158 	i2c_set_clientdata(client, eeprom);  in i2c_slave_eeprom_probe()
160 	ret = i2c_slave_init_eeprom_data(eeprom, client, size);  in i2c_slave_eeprom_probe()
164 	sysfs_bin_attr_init(&eeprom->bin);  in i2c_slave_eeprom_probe()
165 	eeprom->bin.attr.name = "slave-eeprom";  in i2c_slave_eeprom_probe()
166 	eeprom->bin.attr.mode = S_IRUSR | S_IWUSR;  in i2c_slave_eeprom_probe()
167 	eeprom->bin.read = i2c_slave_eeprom_bin_read;  in i2c_slave_eeprom_probe()
168 	eeprom->bin.write = i2c_slave_eeprom_bin_write;  in i2c_slave_eeprom_probe()
169 	eeprom->bin.size = size;  in i2c_slave_eeprom_probe()
171 	ret = sysfs_create_bin_file(&client->dev.kobj, &eeprom->bin);  in i2c_slave_eeprom_probe()
177 		sysfs_remove_bin_file(&client->dev.kobj, &eeprom->bin);  in i2c_slave_eeprom_probe()
186 	struct eeprom_data *eeprom = i2c_get_clientdata(client);  in i2c_slave_eeprom_remove()  local
189 	sysfs_remove_bin_file(&client->dev.kobj, &eeprom->bin);  in i2c_slave_eeprom_remove()