EC_CMD_PORT
outb(cmd, EC_CMD_PORT);
outb(EC_CMD_READ, EC_CMD_PORT);
if (!devm_request_region(dev, EC_CMD_PORT, 1, DRIVER_NAME))
EC_CMD_PORT);
EC_DATA_PORT, EC_CMD_PORT);
if (!(inb(EC_CMD_PORT) & EC_STATUS_IBF))
if (inb(EC_CMD_PORT) & EC_STATUS_OBF)