netdev - Re: [PATCH net] net: dsa: fix older DSA drivers using phylink

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Message-ID: <f20c3029-65bb-5390-6eec-664d802acf64@gmail.com>
Date: Wed, 26 Jul 2023 09:37:53 -0700
From: Florian Fainelli <f.fainelli@...il.com>
To: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>,
 Andrew Lunn <andrew@...n.ch>, Vladimir Oltean <olteanv@...il.com>
Cc: "David S. Miller" <davem@...emloft.net>,
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
 Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org
Subject: Re: [PATCH net] net: dsa: fix older DSA drivers using phylink

On 7/26/23 07:45, Russell King (Oracle) wrote:
> Older DSA drivers that do not provide an dsa_ops adjust_link method end
> up using phylink. Unfortunately, a recent phylink change that requires
> its supported_interfaces bitmap to be filled breaks these drivers
> because the bitmap remains empty.
> 
> Rather than fixing each driver individually, fix it in the core code so
> we have a sensible set of defaults.
> 
> Reported-by: Sergei Antonov <saproj@...il.com>
> Fixes: de5c9bf40c45 ("net: phylink: require supported_interfaces to be filled")
> Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>

Reviewed-by: Florian Fainelli <florian.fainelli@...adcom.com>
-- 
Florian