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Subject[PATCH v2 net 1/2] net: dsa: mv88e6xxx: add phylink_get_caps for the mv88e6320/21 family
Date
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@innosonix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Fabio Estevam <festevam@gmail.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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