netdev - Re: [RFC PATCH net-next 3/4] net: ti: icssg-prueth: Add support for ICSSG switch firmware on AM654 PG2.0 EVM

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Date: Fri, 22 Sep 2023 12:34:31 +0530
From: MD Danish Anwar <danishanwar@...com>
To: Andrew Lunn <andrew@...n.ch>
CC: Roger Quadros <rogerq@...nel.org>, Simon Horman <horms@...nel.org>,
        Vignesh Raghavendra <vigneshr@...com>,
        Jacob Keller
	<jacob.e.keller@...el.com>,
        Richard Cochran <richardcochran@...il.com>,
        Paolo
 Abeni <pabeni@...hat.com>, Jakub Kicinski <kuba@...nel.org>,
        Eric Dumazet
	<edumazet@...gle.com>,
        "David S. Miller" <davem@...emloft.net>,
        <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>, <srk@...com>,
        <r-gunasekaran@...com>, Pekka Varis <p-varis@...com>
Subject: Re: [RFC PATCH net-next 3/4] net: ti: icssg-prueth: Add support for
 ICSSG switch firmware on AM654 PG2.0 EVM

On 21/09/23 19:07, Andrew Lunn wrote:
>> Thanks for the offline discussion and explanations. As discussed, we can
>> not have one combined firmware to do both switch operations and dual
>> emac operations. It is required to have two different firmwares.
>> Currently which firmware to load is decided by flag 'is_switch_mode'
>> which is set / unset by devlink. I will not use devlink here as asked by
>> you. Instead, I'll use the approach suggested by you.
>> ndo_open() will load the dual mac firmware. I'll swap to switch firmware
>> when the second port is added to the same bridge as the first port.
>>
>> I will re-work the changes and post v2 soon.
> 
> I'm sceptical you can actually make this work correctly, but lets see
> what v2 contains.
> 

Sure. I will try to make this work and post v2 once it's ready.

>      Andrew

-- 
Thanks and Regards,
Danish