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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>
5.4-rM2-2.2.x-imx-squashed
Alex Marginean 2019-09-20 18:22:52 +03:00 committed by Dong Aisheng
parent 55de3101dc
commit 2e16cadb54
1 changed files with 7 additions and 1 deletions
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8
drivers/net/phy/aquantia_main.c
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@ -299,10 +299,16 @@ static int aqr_config_aneg_set_prot(struct phy_device *phydev)
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);