net: macb: add the .pcs_inband_caps() callback for SGMII

In SGMII mode, GEM can work with or without inband
autonegotiation.

Signed-off-by: Charles Perry <charles.perry@microchip.com>
Link: https://patch.msgid.link/20260224202854.112813-4-charles.perry@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 8c192d6..02eab26 100644 (file)
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -557,6 +557,12 @@ static int macb_usx_pcs_config(struct phylink_pcs *pcs,
        return 0;
 }
 
+static unsigned int macb_pcs_inband_caps(struct phylink_pcs *pcs,
+                                        phy_interface_t interface)
+{
+       return LINK_INBAND_DISABLE | LINK_INBAND_ENABLE;
+}
+
 static void macb_pcs_get_state(struct phylink_pcs *pcs, unsigned int neg_mode,
                               struct phylink_link_state *state)
 {
@@ -609,6 +615,7 @@ static const struct phylink_pcs_ops macb_phylink_usx_pcs_ops = {
 };
 
 static const struct phylink_pcs_ops macb_phylink_pcs_ops = {
+       .pcs_inband_caps = macb_pcs_inband_caps,
        .pcs_get_state = macb_pcs_get_state,
        .pcs_an_restart = macb_pcs_an_restart,
        .pcs_config = macb_pcs_config,