REG_GCRBEXHR
(gc_readl(priv, REG_GCRBEXHR) - base) / 4, \
(gc_readl(priv, REG_GCRBEXHR) - base) / 4,
u32 rbexhr = gc_readl(priv, REG_GCRBEXHR);
if (gc_readl(priv, REG_GCRBEXHR) == rbexhr &&
u32 rbexhr = gc_readl(priv, REG_GCRBEXHR);
if (gc_readl(priv, REG_GCRBEXHR) == rbexhr) {