netdev - Re: [PATCH net-next 0/2] Add mii_bus to ixgbe driver for dsa devs

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Date:   Thu, 29 Nov 2018 11:03:01 -0800
From:   Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:     Steve Douthit <stephend@...icom-usa.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next 0/2] Add mii_bus to ixgbe driver for dsa devs

On Thu, 2018-11-29 at 18:54 +0000, Steve Douthit wrote:
> Most dsa devices currently expect to get a pointer to a mii_bus from
> platform data of device tree information.
> 
> The first patch exposes a mii_bus for ixgbe devices.
> 
> Currently the ixgbe driver only allows accesses to the probed PHY
> address via ioctls. The second patch changes that behavior to allow
> access to all addresses.  This should be useful for doing switch peeks &
> pokes from userspace for development, test, or if theres no dsa driver
> for a particular switch yet.
> 
> I've tested the clause 22 portion of this code on a board that has an
> Intel C3xxx series SoC connected to a Marvell Peridot switch.  I don't
> have any clause 45 devices or other ixgbe devices to test with.
> 
> Stephen Douthit (2):
>   ixgbe: register a mdiobus
>   ixgbe: use mii_bus to handle MII related ioctls
> 
>  drivers/net/ethernet/intel/ixgbe/ixgbe.h      |   2 +
>  drivers/net/ethernet/intel/ixgbe/ixgbe_main.c |  35 ++--
>  drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c  | 192 ++++++++++++++++++
>  drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h  |   2 +
>  4 files changed, 216 insertions(+), 15 deletions(-)
> 

I will add these changes to my queue, please remember to send patches
against the drivers in drivers/net/ethernet/intel/* to 
intel-wired-lan@...ts.osuosl.org  mailing list as well, so that our
patchwork project can track the patches.

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