HFIR
addr = HFIR;
(unsigned long)addr, dwc2_readl(hsotg, HFIR));
hfir = dwc2_readl(hsotg, HFIR);
dwc2_writel(hsotg, hfir, HFIR);
u32 hfir = dwc2_readl(hsotg, HFIR);
hr->hfir = dwc2_readl(hsotg, HFIR);
dwc2_writel(hsotg, hr->hfir, HFIR);
hfir = dwc2_readl(hsotg, HFIR);
dwc2_writel(hsotg, hfir, HFIR);