diff options
Diffstat (limited to 'target/linux/generic/backport-6.6/733-v6.2-04-net-mtk_eth_soc-add-pcs_get_state-implementation.patch')
| -rw-r--r-- | target/linux/generic/backport-6.6/733-v6.2-04-net-mtk_eth_soc-add-pcs_get_state-implementation.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/target/linux/generic/backport-6.6/733-v6.2-04-net-mtk_eth_soc-add-pcs_get_state-implementation.patch b/target/linux/generic/backport-6.6/733-v6.2-04-net-mtk_eth_soc-add-pcs_get_state-implementation.patch new file mode 100644 index 0000000000..64a4a72fa6 --- /dev/null +++ b/target/linux/generic/backport-6.6/733-v6.2-04-net-mtk_eth_soc-add-pcs_get_state-implementation.patch @@ -0,0 +1,46 @@ +From c000dca098002da193b98099df051c9ead0cacb4 Mon Sep 17 00:00:00 2001 +From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk> +Date: Thu, 27 Oct 2022 14:10:52 +0100 +Subject: [PATCH 03/10] net: mtk_eth_soc: add pcs_get_state() implementation + +Add a pcs_get_state() implementation which uses the advertisements +to compute the resulting link modes, and BMSR contents to determine +negotiation and link status. + +Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> +Signed-off-by: Jakub Kicinski <kuba@kernel.org> +--- + drivers/net/ethernet/mediatek/mtk_sgmii.c | 15 +++++++++++++++ + 1 file changed, 15 insertions(+) + +--- a/drivers/net/ethernet/mediatek/mtk_sgmii.c ++++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c +@@ -19,6 +19,20 @@ static struct mtk_pcs *pcs_to_mtk_pcs(st + return container_of(pcs, struct mtk_pcs, pcs); + } + ++static void mtk_pcs_get_state(struct phylink_pcs *pcs, ++ struct phylink_link_state *state) ++{ ++ struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); ++ unsigned int bm, adv; ++ ++ /* Read the BMSR and LPA */ ++ regmap_read(mpcs->regmap, SGMSYS_PCS_CONTROL_1, &bm); ++ regmap_read(mpcs->regmap, SGMSYS_PCS_ADVERTISE, &adv); ++ ++ phylink_mii_c22_pcs_decode_state(state, FIELD_GET(SGMII_BMSR, bm), ++ FIELD_GET(SGMII_LPA, adv)); ++} ++ + /* For SGMII interface mode */ + static void mtk_pcs_setup_mode_an(struct mtk_pcs *mpcs) + { +@@ -117,6 +131,7 @@ static void mtk_pcs_link_up(struct phyli + } + + static const struct phylink_pcs_ops mtk_pcs_ops = { ++ .pcs_get_state = mtk_pcs_get_state, + .pcs_config = mtk_pcs_config, + .pcs_an_restart = mtk_pcs_restart_an, + .pcs_link_up = mtk_pcs_link_up, |