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Message-ID: <517488dc-069d-9e5e-c671-0dcf78e61172@intel.com>
Date:   Tue, 17 Jan 2023 17:07:27 -0800
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Subject: Re: [PATCH net-next 2/6] net: mdio: Rework scanning of bus ready for
 quirks
Content-Language: en-US
To:     Michael Walle <michael@walle.cc>,
        Heiner Kallweit <hkallweit1@gmail.com>,
        Russell King <linux@armlinux.org.uk>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>, Felix Fietkau <nbd@nbd.name>,
        John Crispin <john@phrozen.org>,
        Sean Wang <sean.wang@mediatek.com>,
        Mark Lee <Mark-MC.Lee@mediatek.com>,
        "Lorenzo Bianconi" <lorenzo@kernel.org>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        Bryan Whitehead <bryan.whitehead@microchip.com>,
        <UNGLinuxDriver@microchip.com>,
        Giuseppe Cavallaro <peppe.cavallaro@st.com>,
        Alexandre Torgue <alexandre.torgue@foss.st.com>,
        Jose Abreu <joabreu@synopsys.com>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        "Joel Stanley" <joel@jms.id.au>, Andrew Jeffery <andrew@aj.id.au>
CC:     <netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-mediatek@lists.infradead.org>,
        <linux-stm32@st-md-mailman.stormreply.com>,
        <linux-aspeed@lists.ozlabs.org>, Andrew Lunn <andrew@lunn.ch>
References: <20230116-net-next-remove-probe-capabilities-v1-0-5aa29738a023@walle.cc>
 <20230116-net-next-remove-probe-capabilities-v1-2-5aa29738a023@walle.cc>
From:   Jesse Brandeburg <jesse.brandeburg@intel.com>
In-Reply-To: <20230116-net-next-remove-probe-capabilities-v1-2-5aa29738a023@walle.cc>
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On 1/16/2023 4:55 AM, Michael Walle wrote:
> From: Andrew Lunn <andrew@lunn.ch>
> 
> Some C22 PHYs do bad things when there are C45 transactions on the
> bus. In order to handle this, the bus needs to be scanned first for
> C22 at all addresses, and then C45 scanned for all addresses.
> 
> The Marvell pxa168 driver scans a specific address on the bus to find
> its PHY. This is a C22 only device, so update it to use the c22
> helper.
> 
> Signed-off-by: Andrew Lunn <andrew@lunn.ch>
> Signed-off-by: Michael Walle <michael@walle.cc>

Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>