linux-kernel - Re: [PATCH v5 2/5] net: macb: add support for sgmii MAC-PHY interface

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Date:   Tue, 25 Jun 2019 10:29:30 +0100
From:   Russell King - ARM Linux admin <linux@...linux.org.uk>
To:     Parshuram Raju Thombare <pthombar@...ence.com>
Cc:     "andrew@...n.ch" <andrew@...n.ch>,
        "nicolas.ferre@...rochip.com" <nicolas.ferre@...rochip.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "f.fainelli@...il.com" <f.fainelli@...il.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "hkallweit1@...il.com" <hkallweit1@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Rafal Ciepiela <rafalc@...ence.com>,
        Anil Joy Varughese <aniljoy@...ence.com>,
        Piotr Sroka <piotrs@...ence.com>
Subject: Re: [PATCH v5 2/5] net: macb: add support for sgmii MAC-PHY interface

On Tue, Jun 25, 2019 at 09:26:29AM +0000, Parshuram Raju Thombare wrote:
> >In which case, gem_phylink_validate() must clear the support mask when
> >SGMII mode is requested to indicate that the interface mode is not
> >supported.
> >The same goes for _all_ other PHY link modes that the hardware does not
> >actually support, such as PHY_INTERFACE_MODE_10GKR...
> If interface is not supported by hardware probe returns with error, so we don't 
> net interface is not registered at all.

That does not negate my comment above.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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