USB_CTL_REG
return hpi_read_word(sie->dev, USB_CTL_REG(sie->sie_num));
hpi_set_bits(sie->dev, USB_CTL_REG(sie->sie_num), HOST_MODE);
if (!(hpi_read_word(sie->dev, USB_CTL_REG(sie->sie_num)) & HOST_MODE))
hpi_set_bits(sie->dev, USB_CTL_REG(sie->sie_num), PORT_RES_EN(port));