40 	int (*read)(struct w1_slave *sl, int pageno);
46 static int w1_ds2502_read_page(struct w1_slave *sl, int pageno)  in w1_ds2502_read_page()  argument
48 	struct w1_eprom_data *data = sl->family_data;  in w1_ds2502_read_page()
57 	mutex_lock(&sl->master->bus_mutex);  in w1_ds2502_read_page()
59 	if (w1_reset_select_slave(sl))  in w1_ds2502_read_page()
65 	w1_write_block(sl->master, buf, 3);  in w1_ds2502_read_page()
67 	crc8 = w1_read_8(sl->master);  in w1_ds2502_read_page()
71 	w1_read_block(sl->master, &data->eprom[pgoff], W1_PAGE_SIZE);  in w1_ds2502_read_page()
73 	crc8 = w1_read_8(sl->master);  in w1_ds2502_read_page()
80 	mutex_unlock(&sl->master->bus_mutex);  in w1_ds2502_read_page()
84 static int w1_ds2505_read_page(struct w1_slave *sl, int pageno)  in w1_ds2505_read_page()  argument
86 	struct w1_eprom_data *data = sl->family_data;  in w1_ds2505_read_page()
98 	mutex_lock(&sl->master->bus_mutex);  in w1_ds2505_read_page()
101 	if (w1_reset_select_slave(sl))  in w1_ds2505_read_page()
107 	w1_write_block(sl->master, buf, 3);  in w1_ds2505_read_page()
108 	w1_read_block(sl->master, buf + 3, 3); /* redir, crc16 */  in w1_ds2505_read_page()
125 	w1_read_block(sl->master, &data->eprom[epoff], W1_PAGE_SIZE);  in w1_ds2505_read_page()
126 	w1_read_block(sl->master, buf, 2); /* crc16 */  in w1_ds2505_read_page()
136 	mutex_unlock(&sl->master->bus_mutex);  in w1_ds2505_read_page()
142 	struct w1_slave *sl = priv;  in w1_nvmem_read()  local
143 	struct w1_eprom_data *data = sl->family_data;  in w1_nvmem_read()
156 		ret = data->read(sl, i++);  in w1_nvmem_read()
165 static int w1_eprom_add_slave(struct w1_slave *sl)  in w1_eprom_add_slave()  argument
170 		.dev = &sl->dev,  in w1_eprom_add_slave()
176 		.priv = sl,  in w1_eprom_add_slave()
180 	data = devm_kzalloc(&sl->dev, sizeof(struct w1_eprom_data), GFP_KERNEL);  in w1_eprom_add_slave()
184 	sl->family_data = data;  in w1_eprom_add_slave()
185 	switch (sl->family->fid) {  in w1_eprom_add_slave()
201 	if (sl->master->bus_master->dev_id)  in w1_eprom_add_slave()
204 			 sl->master->bus_master->dev_id, sl->reg_num.family,  in w1_eprom_add_slave()
205 			 (unsigned long long)sl->reg_num.id);  in w1_eprom_add_slave()
209 			 sl->reg_num.family,  in w1_eprom_add_slave()
210 			 (unsigned long long)sl->reg_num.id);  in w1_eprom_add_slave()
215 	nvmem = devm_nvmem_register(&sl->dev, &nvmem_cfg);  in w1_eprom_add_slave()