Re: [PATCH v2 net] Add genphy_c45_config_aneg() function to phy-c45.c

[Andrew Lunn <andrew@lunn.ch>]

On Tue, Aug 27, 2019 at 03:01:03PM -0700, David Miller wrote:
> From: Marco Hartmann <marco.hartmann@nxp.com>
> Date: Wed, 21 Aug 2019 11:00:46 +0000
> 
> > Commit 34786005eca3 ("net: phy: prevent PHYs w/o Clause 22 regs from calling
> > genphy_config_aneg") introduced a check that aborts phy_config_aneg()
> > if the phy is a C45 phy.
> > This causes phy_state_machine() to call phy_error() so that the phy
> > ends up in PHY_HALTED state.
> > 
> > Instead of returning -EOPNOTSUPP, call genphy_c45_config_aneg()
> > (analogous to the C22 case) so that the state machine can run
> > correctly.
> > 
> > genphy_c45_config_aneg() closely resembles mv3310_config_aneg()
> > in drivers/net/phy/marvell10g.c, excluding vendor specific
> > configurations for 1000BaseT.
> > 
> > Fixes: 22b56e827093 ("net: phy: replace genphy_10g_driver with genphy_c45_driver")
> > 
> > Signed-off-by: Marco Hartmann <marco.hartmann@nxp.com>
> 
> Andrew, gentle ping to respond to Heiner who said:

It at least makes it consistent with phy_restart_aneg() and
phy_aneg_done().

Reviewed-by: Andrew Lunn <andrew@lunn.ch>

    Andrew