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- From 0a9f0794d9bd67e590a9488afe87fbb0419d9539 Mon Sep 17 00:00:00 2001
- From: "Russell King (Oracle)" <[email protected]>
- Date: Thu, 9 Dec 2021 13:11:38 +0000
- Subject: [PATCH] net: dsa: mark DSA phylink as legacy_pre_march2020
- The majority of DSA drivers do not make use of the PCS support, and
- thus operate in legacy mode. In order to preserve this behaviour in
- future, we need to set the legacy_pre_march2020 flag so phylink knows
- this may require the legacy calls.
- There are some DSA drivers that do make use of PCS support, and these
- will continue operating as before - legacy_pre_march2020 will not
- prevent split-PCS support enabling the newer phylink behaviour.
- Signed-off-by: Russell King (Oracle) <[email protected]>
- Signed-off-by: Jakub Kicinski <[email protected]>
- ---
- net/dsa/port.c | 7 +++++++
- 1 file changed, 7 insertions(+)
- --- a/net/dsa/port.c
- +++ b/net/dsa/port.c
- @@ -1126,6 +1126,13 @@ int dsa_port_phylink_create(struct dsa_p
- if (err)
- mode = PHY_INTERFACE_MODE_NA;
-
- + /* Presence of phylink_mac_link_state or phylink_mac_an_restart is
- + * an indicator of a legacy phylink driver.
- + */
- + if (ds->ops->phylink_mac_link_state ||
- + ds->ops->phylink_mac_an_restart)
- + dp->pl_config.legacy_pre_march2020 = true;
- +
- if (ds->ops->phylink_get_caps)
- ds->ops->phylink_get_caps(ds, dp->index, &dp->pl_config);
-
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