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- 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
- @@ -324,10 +324,16 @@ 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);
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