Openwrt/target/linux/ath79/patches-5.4/425-at803x-allow-sgmii-aneg-override.patch
Hauke Mehrtens 2e17c71095 kernel: Backport patch to automatically bring up DSA master when opening user port
Without this patch we have to manually bring up the CPU interface in
failsafe mode.

This was backported from kernel 5.12.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Tested-by: Rafał Miłecki <rafal@milecki.pl>
2021-06-22 23:23:00 +02:00

17 lines
578 B
Diff

--- a/drivers/net/phy/at803x.c
+++ b/drivers/net/phy/at803x.c
@@ -404,6 +404,13 @@ static int at803x_aneg_done(struct phy_d
if (!(phy_read(phydev, AT803X_PSSR) & AT803X_PSSR_MR_AN_COMPLETE)) {
phydev_warn(phydev, "803x_aneg_done: SGMII link is not ok\n");
aneg_done = 0;
+#ifdef CONFIG_OF_MDIO
+ if (phydev->mdio.dev.of_node &&
+ of_property_read_bool(phydev->mdio.dev.of_node,
+ "at803x-override-sgmii-link-check")) {
+ aneg_done = 1;
+ }
+#endif
}
/* switch back to copper page */
phy_write(phydev, AT803X_REG_CHIP_CONFIG, ccr | AT803X_BT_BX_REG_SEL);