net/mdio/mdio-i2c.c

37 	struct i2c_msg msgs[2];
52 	msgs[0].addr = bus_addr;
53 	msgs[0].flags = 0;
54 	msgs[0].len = p - addr;
55 	msgs[0].buf = addr;
56 	msgs[1].addr = bus_addr;
57 	msgs[1].flags = I2C_M_RD;
58 	msgs[1].len = sizeof(data);
59 	msgs[1].buf = data;
61 	ret = i2c_transfer(i2c, msgs, ARRAY_SIZE(msgs));
62 	if (ret != ARRAY_SIZE(msgs))
189 static int __i2c_transfer_err(struct i2c_adapter *i2c, struct i2c_msg *msgs,
194 	ret = __i2c_transfer(i2c, msgs, num);
206 	struct i2c_msg msgs[2];
209 	msgs[0].addr = bus_addr;
210 	msgs[0].flags = 0;
211 	msgs[0].len = 1;
212 	msgs[0].buf = &addr;
214 	msgs[1].addr = bus_addr;
215 	msgs[1].flags = I2C_M_RD;
216 	msgs[1].len = 1;
217 	msgs[1].buf = page;
219 	return __i2c_transfer_err(i2c, msgs, 2);
248  * in one call to i2c_transfer (by constructing msgs array in such a way), but
253 				 struct i2c_msg *msgs, int num)
261 	ret = __i2c_rollball_get_page(i2c, msgs->addr, &saved_page);
266 	ret = __i2c_rollball_set_page(i2c, msgs->addr, SFP_PAGE_ROLLBALL_MDIO);
271 	ret = __i2c_transfer_err(i2c, msgs, num);
276 	ret = __i2c_rollball_set_page(i2c, msgs->addr, saved_page);
288 	struct i2c_msg msgs[2];
297 	msgs[0].addr = bus_addr;
298 	msgs[0].flags = 0;
299 	msgs[0].len = 1;
300 	msgs[0].buf = &cmd_addr;
302 	msgs[1].addr = bus_addr;
303 	msgs[1].flags = I2C_M_RD;
304 	msgs[1].len = len;
305 	msgs[1].buf = res;
314 		ret = i2c_transfer_rollball(i2c, msgs, ARRAY_SIZE(msgs));
331 	struct i2c_msg msgs[2];
337 	msgs[0].addr = bus_addr;
338 	msgs[0].flags = 0;
339 	msgs[0].len = len;
340 	msgs[0].buf = data;
342 	msgs[1].addr = bus_addr;
343 	msgs[1].flags = 0;
344 	msgs[1].len = sizeof(cmdbuf);
345 	msgs[1].buf = cmdbuf;
347 	return i2c_transfer_rollball(i2c, msgs, ARRAY_SIZE(msgs));