From: Andy Duan <fugang.d...@nxp.com>
Date: Mon, 15 Oct 2018 05:19:00 +0000
> From: Fugang Duan <fugang.d...@nxp.com>
>
> Commit db65f35f50e0 ("net: fec: add support of ethtool get_regs") introduce
> ethool "--register-dump" interface to dump all FEC registers.
>
> But not all silicon implementations of the Freescale FEC hardware module
> have the FRBR (FIFO Receive Bound Register) and FRSR (FIFO Receive Start
> Register) register, so we should not be trying to dump them on those that
> don't.
>
> To fix it we create a quirk flag, FEC_QUIRK_HAS_RFREG, and check it before
> dump those RX FIFO registers.
>
> Signed-off-by: Fugang Duan <fugang.d...@nxp.com>
Applied and queued up for -stable.
