openwrt/target/linux/layerscape/patches-5.4/701-net-0332-drivers-net-phy-aquantia-fix-system-side-protocol-mi.patch
Hauke Mehrtens be0639063a kernel: bump 5.4 to 5.4.203
Merged upstream:
 bcm27xx/patches-5.4/950-1014-Revert-mailbox-avoid-timer-start-from-callback.patch
 generic/backport-5.4/080-wireguard-0021-crypto-blake2s-generic-C-library-implementation-and-.patch

Manually adapted:
 layerscape/patches-5.4/801-audio-0005-Revert-ASoC-fsl_sai-Add-support-for-SAI-new-version.patch
 oxnas/patches-5.4/100-oxnas-clk-plla-pllb.patch

Compile-tested: lantiq/xrx200
Run-tested: lantiq/xrx200

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2022-07-03 19:58:31 +02:00

35 lines
1.2 KiB
Diff

From 5f008cb22f60da4e10375f22266c1a4e20b1252e Mon Sep 17 00:00:00 2001
From: Alex Marginean <alexandru.marginean@nxp.com>
Date: Fri, 20 Sep 2019 18:22:52 +0300
Subject: [PATCH] drivers: net: phy: aquantia: fix system side protocol
misconfiguration
Do not set up protocols for speeds that are not supported by FW. Enabling
these protocols leads to link issues on system side.
Signed-off-by: Alex Marginean <alexandru.marginean@nxp.com>
---
drivers/net/phy/aquantia_main.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
--- a/drivers/net/phy/aquantia_main.c
+++ b/drivers/net/phy/aquantia_main.c
@@ -312,10 +312,16 @@ static int aqr_config_aneg_set_prot(stru
phy_write_mmd(phydev, MDIO_MMD_VEND1, AQUANTIA_VND1_GSTART_RATE,
aquantia_syscfg[if_type].start_rate);
- for (i = 0; i <= aquantia_syscfg[if_type].cnt; i++)
+ for (i = 0; i <= aquantia_syscfg[if_type].cnt; i++) {
+ u16 reg = phy_read_mmd(phydev, MDIO_MMD_VEND1,
+ AQUANTIA_VND1_GSYSCFG_BASE + i);
+ if (!reg)
+ continue;
+
phy_write_mmd(phydev, MDIO_MMD_VEND1,
AQUANTIA_VND1_GSYSCFG_BASE + i,
aquantia_syscfg[if_type].syscfg);
+ }
/* wake PHY back up */
phy_write_mmd(phydev, MDIO_MMD_VEND1, AQUANTIA_VND1_GLOBAL_SC, 0);