From: Andrew Lunn <andrew@lunn.ch>
To: Lukasz Majewski <lukma@denx.de>
Cc: Florian Fainelli <f.fainelli@gmail.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
"David S. Miller" <davem@davemloft.net>,
Mugunthan V N <mugunthanvnm@ti.com>,
Karicheri Muralidharan <m-karicheri2@ti.com>,
linux-kernel@vger.kernel.org, Eric Engestrom <eric@engestrom.ch>,
netdev@vger.kernel.org, Kishon Vijay Abraham I <kishon@ti.com>,
Grygorii Strashko <grygorii.strashko@ti.com>,
devicetree@vger.kernel.org
Subject: Re: [PATCH] net: phy: dp83867: Port mirroring support in the DP83867 TI's PHY driver
Date: Wed, 1 Feb 2017 22:14:40 +0100 [thread overview]
Message-ID: <20170201211440.GG7395@lunn.ch> (raw)
In-Reply-To: <20170201220500.29d478aa@jawa>
> We would need a tri-state device tree properly:
>
> 1. Not defined - do nothing
> 2. Defined as 0 -> explicitly disable port mirroring
> 3. Defined as 1 -> explicitly enable port mirriring
>
> The "net-phy-lane-swap" only fulfills points 1 and 3 above.
>
> In my use case I do need point 2.
Looking at the datasheet, PORT_MIRROR_EN defaults to 0. So it seems
reasonable to unconditionally set it to 0 when the PHY driver
loads. Any device which needs a value of 1 can set "net-phy-lane-swap"
Andrew
next prev parent reply other threads:[~2017-02-01 21:14 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-01 14:43 [PATCH] net: phy: dp83867: Port mirroring support in the DP83867 TI's PHY driver Lukasz Majewski
[not found] ` <1485960215-5148-1-git-send-email-lukma-ynQEQJNshbs@public.gmane.org>
2017-02-01 17:16 ` Andrew Lunn
2017-02-01 17:16 ` Andrew Lunn
[not found] ` <20170201171610.GC7395-g2DYL2Zd6BY@public.gmane.org>
2017-02-01 19:05 ` Florian Fainelli
2017-02-01 19:05 ` Florian Fainelli
[not found] ` <2f3766f0-42df-6aab-dda1-14022c57fb30-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-02-01 21:05 ` Lukasz Majewski
2017-02-01 21:05 ` Lukasz Majewski
2017-02-01 21:12 ` Florian Fainelli
[not found] ` <a287bc1e-3693-02d3-4c58-f1369144efd1-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-02-01 21:16 ` Andrew Lunn
2017-02-01 21:16 ` Andrew Lunn
2017-02-01 21:14 ` Andrew Lunn [this message]
2017-02-01 22:13 ` Lukasz Majewski
2017-02-02 1:54 ` Andrew Lunn
2017-02-02 1:54 ` Andrew Lunn
2017-02-02 9:17 ` Lukasz Majewski
2017-02-02 13:11 ` Andrew Lunn
[not found] ` <20170202131112.GI4967-g2DYL2Zd6BY@public.gmane.org>
2017-02-02 15:22 ` Lukasz Majewski
2017-02-02 15:22 ` Lukasz Majewski
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