From: Michael Walle <michael@xxxxxxxx> Date: Mon, 20 Apr 2020 20:21:11 +0200 > RDB (Register Data Base) registers are used on newer Broadcom PHYs. Add > helper to read, write and modify these registers. > > Signed-off-by: Michael Walle <michael@xxxxxxxx> > Reviewed-by: Florian Fainelli <f.fainelli@xxxxxxxxx> Applied.