1235 	struct pmac_i2c_pf_inst *inst;  in pmac_i2c_do_begin()  local
1255 	inst = kzalloc(sizeof(struct pmac_i2c_pf_inst), GFP_KERNEL);  in pmac_i2c_do_begin()
1256 	if (inst == NULL) {  in pmac_i2c_do_begin()
1260 	inst->bus = bus;  in pmac_i2c_do_begin()
1261 	inst->addr = pmac_i2c_get_dev_addr(func->node);  in pmac_i2c_do_begin()
1262 	inst->quirks = (int)(long)func->driver_data;  in pmac_i2c_do_begin()
1263 	return inst;  in pmac_i2c_do_begin()
1268 	struct pmac_i2c_pf_inst *inst = instdata;  in pmac_i2c_do_end()  local
1270 	if (inst == NULL)  in pmac_i2c_do_end()
1272 	pmac_i2c_close(inst->bus);  in pmac_i2c_do_end()
1273 	kfree(inst);  in pmac_i2c_do_end()
1278 	struct pmac_i2c_pf_inst *inst = instdata;  in pmac_i2c_do_read()  local
1280 	inst->bytes = len;  in pmac_i2c_do_read()
1281 	return pmac_i2c_xfer(inst->bus, inst->addr | pmac_i2c_read, 0, 0,  in pmac_i2c_do_read()
1282 			     inst->buffer, len);  in pmac_i2c_do_read()
1287 	struct pmac_i2c_pf_inst *inst = instdata;  in pmac_i2c_do_write()  local
1289 	return pmac_i2c_xfer(inst->bus, inst->addr | pmac_i2c_write, 0, 0,  in pmac_i2c_do_write()
1299 static void pmac_i2c_do_apply_rmw(struct pmac_i2c_pf_inst *inst,  in pmac_i2c_do_apply_rmw()  argument
1304 	if (inst->quirks & pmac_i2c_quirk_invmask) {  in pmac_i2c_do_apply_rmw()
1306 			inst->scratch[i] = (inst->buffer[i] & mask[i]) | val[i];  in pmac_i2c_do_apply_rmw()
1309 			inst->scratch[i] = (inst->buffer[i] & ~mask[i])  in pmac_i2c_do_apply_rmw()
1318 	struct pmac_i2c_pf_inst *inst = instdata;  in pmac_i2c_do_rmw()  local
1320 	if (masklen > inst->bytes || valuelen > inst->bytes ||  in pmac_i2c_do_rmw()
1321 	    totallen > inst->bytes || valuelen > masklen)  in pmac_i2c_do_rmw()
1324 	pmac_i2c_do_apply_rmw(inst, masklen, maskdata, valuedata);  in pmac_i2c_do_rmw()
1326 	return pmac_i2c_xfer(inst->bus, inst->addr | pmac_i2c_write, 0, 0,  in pmac_i2c_do_rmw()
1327 			     inst->scratch, totallen);  in pmac_i2c_do_rmw()
1332 	struct pmac_i2c_pf_inst *inst = instdata;  in pmac_i2c_do_read_sub()  local
1334 	inst->bytes = len;  in pmac_i2c_do_read_sub()
1335 	return pmac_i2c_xfer(inst->bus, inst->addr | pmac_i2c_read, 1, subaddr,  in pmac_i2c_do_read_sub()
1336 			     inst->buffer, len);  in pmac_i2c_do_read_sub()
1342 	struct pmac_i2c_pf_inst *inst = instdata;  in pmac_i2c_do_write_sub()  local
1344 	return pmac_i2c_xfer(inst->bus, inst->addr | pmac_i2c_write, 1,  in pmac_i2c_do_write_sub()
1350 	struct pmac_i2c_pf_inst *inst = instdata;  in pmac_i2c_do_set_mode()  local
1352 	return pmac_i2c_setmode(inst->bus, mode);  in pmac_i2c_do_set_mode()
1359 	struct pmac_i2c_pf_inst *inst = instdata;  in pmac_i2c_do_rmw_sub()  local
1361 	if (masklen > inst->bytes || valuelen > inst->bytes ||  in pmac_i2c_do_rmw_sub()
1362 	    totallen > inst->bytes || valuelen > masklen)  in pmac_i2c_do_rmw_sub()
1365 	pmac_i2c_do_apply_rmw(inst, masklen, maskdata, valuedata);  in pmac_i2c_do_rmw_sub()
1367 	return pmac_i2c_xfer(inst->bus, inst->addr | pmac_i2c_write, 1,  in pmac_i2c_do_rmw_sub()
1368 			     subaddr, inst->scratch, totallen);  in pmac_i2c_do_rmw_sub()
1375 	struct pmac_i2c_pf_inst *inst = instdata;  in pmac_i2c_do_mask_and_comp()  local
1383 	if (len > inst->bytes)  in pmac_i2c_do_mask_and_comp()
1387 		if ((inst->buffer[i] & maskdata[i]) != valuedata[i])  in pmac_i2c_do_mask_and_comp()