diff options
Diffstat (limited to 'target/linux/generic/backport-5.15/793-v6.6-net-pcs-lynxi-implement-pcs_disable-op.patch')
| -rw-r--r-- | target/linux/generic/backport-5.15/793-v6.6-net-pcs-lynxi-implement-pcs_disable-op.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.15/793-v6.6-net-pcs-lynxi-implement-pcs_disable-op.patch b/target/linux/generic/backport-5.15/793-v6.6-net-pcs-lynxi-implement-pcs_disable-op.patch new file mode 100644 index 0000000000..eb9b4b7c09 --- /dev/null +++ b/target/linux/generic/backport-5.15/793-v6.6-net-pcs-lynxi-implement-pcs_disable-op.patch @@ -0,0 +1,44 @@ +From e4ccdfb78a47132f2d215658aab8902fc457c4b4 Mon Sep 17 00:00:00 2001 +From: Daniel Golle <daniel@makrotopia.org> +Date: Fri, 18 Aug 2023 04:07:46 +0100 +Subject: [PATCH 082/125] net: pcs: lynxi: implement pcs_disable op + +When switching from 10GBase-R/5GBase-R/USXGMII to one of the interface +modes provided by mtk-pcs-lynxi we need to make sure to always perform +a full configuration of the PHYA. + +Implement pcs_disable op which resets the stored interface mode to +PHY_INTERFACE_MODE_NA to trigger a full reconfiguration once the LynxI +PCS driver had previously been deselected in favor of another PCS +driver such as the to-be-added driver for the USXGMII PCS found in +MT7988. + +Signed-off-by: Daniel Golle <daniel@makrotopia.org> +Link: https://lore.kernel.org/r/f23d1a60d2c9d2fb72e32dcb0eaa5f7e867a3d68.1692327891.git.daniel@makrotopia.org +Signed-off-by: Jakub Kicinski <kuba@kernel.org> +--- + drivers/net/pcs/pcs-mtk-lynxi.c | 8 ++++++++ + 1 file changed, 8 insertions(+) + +--- a/drivers/net/pcs/pcs-mtk-lynxi.c ++++ b/drivers/net/pcs/pcs-mtk-lynxi.c +@@ -241,11 +241,19 @@ static void mtk_pcs_lynxi_link_up(struct + } + } + ++static void mtk_pcs_lynxi_disable(struct phylink_pcs *pcs) ++{ ++ struct mtk_pcs_lynxi *mpcs = pcs_to_mtk_pcs_lynxi(pcs); ++ ++ mpcs->interface = PHY_INTERFACE_MODE_NA; ++} ++ + static const struct phylink_pcs_ops mtk_pcs_lynxi_ops = { + .pcs_get_state = mtk_pcs_lynxi_get_state, + .pcs_config = mtk_pcs_lynxi_config, + .pcs_an_restart = mtk_pcs_lynxi_restart_an, + .pcs_link_up = mtk_pcs_lynxi_link_up, ++ .pcs_disable = mtk_pcs_lynxi_disable, + }; + + struct phylink_pcs *mtk_pcs_lynxi_create(struct device *dev, |