diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c index 0cc28c79cc61..835caa15d55f 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c @@ -487,6 +487,13 @@ static int ethqos_clks_config(void *priv, bool enabled) dev_err(ðqos->pdev->dev, "rgmii_clk enable failed\n"); return ret; } + + /* Enable functional clock to prevent DMA reset to timeout due + * to lacking PHY clock after the hardware block has been power + * cycled. The actual configuration will be adjusted once + * ethqos_fix_mac_speed() is invoked. + */ + ethqos_set_func_clk_en(ethqos); } else { clk_disable_unprepare(ethqos->rgmii_clk); } |