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Message-Id: <20240508072944.54880-2-steffen@innosonix.de>
Date: Wed, 8 May 2024 09:29:43 +0200
From: Steffen Bätz <steffen@...osonix.de>
To:
Cc: Steffen Bätz <steffen@...osonix.de>,
Andrew Lunn <andrew@...n.ch>,
Fabio Estevam <festevam@...il.com>,
Florian Fainelli <f.fainelli@...il.com>,
Vladimir Oltean <olteanv@...il.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Russell King <linux@...linux.org.uk>,
"Russell King (Oracle)" <rmk+kernel@...linux.org.uk>,
netdev@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v2 net 1/2] net: dsa: mv88e6xxx: add phylink_get_caps for the mv88e6320/21 family
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")
Signed-off-by: Steffen Bätz <steffen@...osonix.de>
Reviewed-by: Andrew Lunn <andrew@...n.ch>
Reviewed-by: Fabio Estevam <festevam@...il.com>
Changes since v1:
- Removed unused variables.
- Collected Reviewed-by tags from Andrew and Fabio
---
drivers/net/dsa/mv88e6xxx/chip.c | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 32416d8802ca..bd58190853c7 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -697,6 +697,18 @@ static void mv88e6352_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
}
}
+static void mv88e632x_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
+ struct phylink_config *config)
+{
+ unsigned long *supported = config->supported_interfaces;
+
+ /* Translate the default cmode */
+ mv88e6xxx_translate_cmode(chip->ports[port].cmode, supported);
+
+ config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100 |
+ MAC_1000FD;
+}
+
static void mv88e6341_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
struct phylink_config *config)
{
@@ -5090,7 +5102,7 @@ static const struct mv88e6xxx_ops mv88e6320_ops = {
.gpio_ops = &mv88e6352_gpio_ops,
.avb_ops = &mv88e6352_avb_ops,
.ptp_ops = &mv88e6352_ptp_ops,
- .phylink_get_caps = mv88e6185_phylink_get_caps,
+ .phylink_get_caps = mv88e632x_phylink_get_caps,
};
static const struct mv88e6xxx_ops mv88e6321_ops = {
@@ -5136,7 +5148,7 @@ static const struct mv88e6xxx_ops mv88e6321_ops = {
.gpio_ops = &mv88e6352_gpio_ops,
.avb_ops = &mv88e6352_avb_ops,
.ptp_ops = &mv88e6352_ptp_ops,
- .phylink_get_caps = mv88e6185_phylink_get_caps,
+ .phylink_get_caps = mv88e632x_phylink_get_caps,
};
static const struct mv88e6xxx_ops mv88e6341_ops = {
--
2.34.1
--
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