HOST_CAP
u32 cap = readl(hpriv->mmio + HOST_CAP);
host_caps = readl(hpriv->mmio + HOST_CAP);
cap = readl(hpriv->mmio + HOST_CAP);
reg_val = readl(hpriv->mmio + HOST_CAP);
writel(reg_val, hpriv->mmio + HOST_CAP);
cap = readl(mmio + HOST_CAP);
writel(hpriv->saved_cap, mmio + HOST_CAP);
if (!(readl(dd->mmio + HOST_CAP) & HOST_CAP_NZDMA)) {
if (readl(port->dd->mmio + HOST_CAP) & HOST_CAP_64) {