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net: dsa: support use of phylink_generic_validate()

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Support the use of phylink_generic_validate() when there is no
phylink_validate method given in the DSA switch operations and
mac_capabilities have been set in the phylink_config structure by the
DSA switch driver.

This gives DSA switch drivers the option to use this if they provide
the supported_interfaces and mac_capabilities, while still giving them
an option to override the default implementation if necessary.

Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Russell King (Oracle) 2021-11-30 13:10:06 +00:00 committed by Jakub Kicinski
parent 072eea6c22
commit 5938bce4b6
1 changed files with 4 additions and 1 deletions
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5
net/dsa/port.c
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@ -981,8 +981,11 @@ static void dsa_port_phylink_validate(struct phylink_config *config,
struct dsa_port *dp = container_of(config, struct dsa_port, pl_config);
struct dsa_switch *ds = dp->ds;
if (!ds->ops->phylink_validate)
if (!ds->ops->phylink_validate) {
if (config->mac_capabilities)
phylink_generic_validate(config, supported, state);
return;
}
ds->ops->phylink_validate(ds, dp->index, supported, state);
}