linux-kernel - Re: [PATCH net 0/4] net: bcmgenet: restore internal EPHY support

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Message-ID: <597ee52c-4dc3-2bee-87c9-5f97c382c9ba@gmail.com>
Date:   Wed, 16 Oct 2019 21:00:05 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Doug Berger <opendmb@...il.com>,
        "David S. Miller" <davem@...emloft.net>
Cc:     Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        bcm-kernel-feedback-list@...adcom.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, jaedon.shin@...il.com
Subject: Re: [PATCH net 0/4] net: bcmgenet: restore internal EPHY support



On 10/16/2019 4:06 PM, Doug Berger wrote:
> I managed to get my hands on an old BCM97435SVMB board to do some
> testing with the latest kernel and uncovered a number of things
> that managed to get broken over the years (some by me ;).
> 
> This commit set attempts to correct the errors I observed in my
> testing.
> 
> The first commit applies to all internal PHYs to restore proper
> reporting of link status when a link comes up.
> 
> The second commit restores the soft reset to the initialization of
> the older internal EPHYs used by 40nm Set-Top Box devices.
> 
> The third corrects a bug I introduced when removing excessive soft
> resets by altering the initialization sequence in a way that keeps
> the GENETv3 MAC interface happy.
> 
> Finally, I observed a number of issues when manually configuring
> the network interface of the older EPHYs that appear to be resolved
> by the fourth commit.

Thank you very much for addressing all of those problems!

> 
> Doug Berger (4):
>   net: bcmgenet: don't set phydev->link from MAC
>   net: phy: bcm7xxx: define soft_reset for 40nm EPHY
>   net: bcmgenet: soft reset 40nm EPHYs before MAC init
>   net: bcmgenet: reset 40nm EPHY on energy detect
> 
>  drivers/net/ethernet/broadcom/genet/bcmgenet.c |  41 +++++----
>  drivers/net/ethernet/broadcom/genet/bcmgenet.h |   2 +-
>  drivers/net/ethernet/broadcom/genet/bcmmii.c   | 112 +++++++++++--------------
>  drivers/net/phy/bcm7xxx.c                      |   1 +
>  4 files changed, 79 insertions(+), 77 deletions(-)
> 

-- 
Florian