base/regmap/regmap-w1.c

24 	struct w1_slave *sl = container_of(dev, struct w1_slave, dev);
30 	mutex_lock(&sl->master->bus_mutex);
31 	if (!w1_reset_select_slave(sl)) {
32 		w1_write_8(sl->master, W1_CMD_READ_DATA);
33 		w1_write_8(sl->master, reg);
34 		*val = w1_read_8(sl->master);
38 	mutex_unlock(&sl->master->bus_mutex);
46 	struct w1_slave *sl = container_of(dev, struct w1_slave, dev);
52 	mutex_lock(&sl->master->bus_mutex);
53 	if (!w1_reset_select_slave(sl)) {
54 		w1_write_8(sl->master, W1_CMD_WRITE_DATA);
55 		w1_write_8(sl->master, reg);
56 		w1_write_8(sl->master, val);
60 	mutex_unlock(&sl->master->bus_mutex);
73 	struct w1_slave *sl = container_of(dev, struct w1_slave, dev);
79 	mutex_lock(&sl->master->bus_mutex);
80 	if (!w1_reset_select_slave(sl)) {
81 		w1_write_8(sl->master, W1_CMD_READ_DATA);
82 		w1_write_8(sl->master, reg);
83 		*val = w1_read_8(sl->master);
84 		*val |= w1_read_8(sl->master)<<8;
88 	mutex_unlock(&sl->master->bus_mutex);
97 	struct w1_slave *sl = container_of(dev, struct w1_slave, dev);
103 	mutex_lock(&sl->master->bus_mutex);
104 	if (!w1_reset_select_slave(sl)) {
105 		w1_write_8(sl->master, W1_CMD_WRITE_DATA);
106 		w1_write_8(sl->master, reg);
107 		w1_write_8(sl->master, val & 0x00FF);
108 		w1_write_8(sl->master, val>>8 & 0x00FF);
112 	mutex_unlock(&sl->master->bus_mutex);
125 	struct w1_slave *sl = container_of(dev, struct w1_slave, dev);
131 	mutex_lock(&sl->master->bus_mutex);
132 	if (!w1_reset_select_slave(sl)) {
133 		w1_write_8(sl->master, W1_CMD_READ_DATA);
134 		w1_write_8(sl->master, reg & 0x00FF);
135 		w1_write_8(sl->master, reg>>8 & 0x00FF);
136 		*val = w1_read_8(sl->master);
137 		*val |= w1_read_8(sl->master)<<8;
141 	mutex_unlock(&sl->master->bus_mutex);
150 	struct w1_slave *sl = container_of(dev, struct w1_slave, dev);
156 	mutex_lock(&sl->master->bus_mutex);
157 	if (!w1_reset_select_slave(sl)) {
158 		w1_write_8(sl->master, W1_CMD_WRITE_DATA);
159 		w1_write_8(sl->master, reg & 0x00FF);
160 		w1_write_8(sl->master, reg>>8 & 0x00FF);
161 		w1_write_8(sl->master, val & 0x00FF);
162 		w1_write_8(sl->master, val>>8 & 0x00FF);
166 	mutex_unlock(&sl->master->bus_mutex);