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Message-ID: <517488dc-069d-9e5e-c671-0dcf78e61172@intel.com>
Date: Tue, 17 Jan 2023 17:07:27 -0800
From: Jesse Brandeburg <jesse.brandeburg@...el.com>
To: Michael Walle <michael@...le.cc>,
Heiner Kallweit <hkallweit1@...il.com>,
Russell King <linux@...linux.org.uk>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>, Felix Fietkau <nbd@....name>,
John Crispin <john@...ozen.org>,
Sean Wang <sean.wang@...iatek.com>,
Mark Lee <Mark-MC.Lee@...iatek.com>,
"Lorenzo Bianconi" <lorenzo@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Bryan Whitehead <bryan.whitehead@...rochip.com>,
<UNGLinuxDriver@...rochip.com>,
Giuseppe Cavallaro <peppe.cavallaro@...com>,
Alexandre Torgue <alexandre.torgue@...s.st.com>,
Jose Abreu <joabreu@...opsys.com>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
"Joel Stanley" <joel@....id.au>, Andrew Jeffery <andrew@...id.au>
CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-mediatek@...ts.infradead.org>,
<linux-stm32@...md-mailman.stormreply.com>,
<linux-aspeed@...ts.ozlabs.org>, Andrew Lunn <andrew@...n.ch>
Subject: Re: [PATCH net-next 2/6] net: mdio: Rework scanning of bus ready for
quirks
On 1/16/2023 4:55 AM, Michael Walle wrote:
> From: Andrew Lunn <andrew@...n.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@...n.ch>
> Signed-off-by: Michael Walle <michael@...le.cc>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@...el.com>
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