netdev - Re: [PATCH net-next 1/2] net: phy: c45 scanning: Don't consider -ENODEV fatal

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Message-ID: <339dde78-f8fb-4d52-b148-b9fb2340eb07@gmail.com>
Date: Sat, 3 Feb 2024 13:40:41 -0800
From: Florian Fainelli <f.fainelli@...il.com>
To: Andrew Lunn <andrew@...n.ch>, 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>,
 Vladimir Oltean <olteanv@...il.com>
Cc: netdev@...r.kernel.org, Tim Menninger <tmenninger@...estorage.com>
Subject: Re: [PATCH net-next 1/2] net: phy: c45 scanning: Don't consider
 -ENODEV fatal



On 2/3/2024 12:52 PM, Andrew Lunn wrote:
> When scanning the MDIO bus for C22 devices, the driver returning
> -ENODEV is not considered fatal, it just indicates the MDIO bus master
> knows there is no device at that address, maybe because of hardware
> limitation.
> 
> Make the C45 scan code act on -ENODEV the same way, to make C22 and
> C45 more uniform.
> 
> It is expected all reads for a given address will return -ENODEV, so
> within get_phy_c45_ids() only the first place a read occurs has been
> changed.
> 
> Signed-off-by: Andrew Lunn <andrew@...n.ch>

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