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From: "Steffen Bätz" <steffen@innosonix.de>
Cc: "Steffen Bätz" <steffen@innosonix.de>,
	"Andrew Lunn" <andrew@lunn.ch>,
	"Florian Fainelli" <f.fainelli@gmail.com>,
	"Vladimir Oltean" <olteanv@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	"Eric Dumazet" <edumazet@google.com>,
	"Jakub Kicinski" <kuba@kernel.org>,
	"Paolo Abeni" <pabeni@redhat.com>,
	"Russell King" <linux@armlinux.org.uk>,
	"Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2 net 0/2] net: dsa: mv88e6xxx: fix marvell 6320/21 switch probing
Date: Wed,  8 May 2024 09:29:42 +0200	[thread overview]
Message-ID: <20240508072944.54880-1-steffen@innosonix.de> (raw)

As of commit de5c9bf40c45 ("net: phylink: require supported_interfaces to
be filled")
Marvell 88e6320/21 switches fail to be probed:

...
mv88e6085 30be0000.ethernet-1:00: phylink: error: empty supported_interfaces
error creating PHYLINK: -22
...

The problem stems from the use of mv88e6185_phylink_get_caps() to get
the device capabilities. 
Since there are serdes only ports 0/1 included, create a new dedicated 
phylink_get_caps for the 6320 and 6321 to properly support their 
set of capabilities.

Fixes: de5c9bf40c45 ("net: phylink: require supported_interfaces to be filled")

Steffen Bätz (2):
  net: dsa: mv88e6xxx: add phylink_get_caps for the mv88e6320/21 family
  net: dsa: mv88e6xxx: read cmode on mv88e6320/21 serdes only ports

 drivers/net/dsa/mv88e6xxx/chip.c | 39 +++++++++++++++++++++++++-------
 1 file changed, 31 insertions(+), 8 deletions(-)

Changes since v1:
- Removed unused variables.
- Collected Reviewed-by tags from Andrew and Fabio
-- 
2.34.1


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             reply	other threads:[~2024-05-08  7:30 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-08  7:29 Steffen Bätz [this message]
2024-05-08  7:29 ` [PATCH v2 net 1/2] net: dsa: mv88e6xxx: add phylink_get_caps for the mv88e6320/21 family Steffen Bätz
2024-05-09  9:52   ` Paolo Abeni
2024-05-08  7:29 ` [PATCH v2 net 2/2] net: dsa: mv88e6xxx: read cmode on mv88e6320/21 serdes only ports Steffen Bätz
2024-05-09 10:10 ` [PATCH v2 net 0/2] net: dsa: mv88e6xxx: fix marvell 6320/21 switch probing patchwork-bot+netdevbpf

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