[PATCH] net: dwc_eth_qos: Fix needless phy auto-negotiation restarts

Patrick DELAUNAY patrick.delaunay at foss.st.com
Tue Jun 1 17:26:57 CEST 2021


On 5/24/21 12:24 AM, Daniil Stas wrote:
> Disabling clk_ck clock leads to link up status loss in phy, which
> leads to auto-negotiation restart before each network command
> execution.
> This issue is especially big for PXE boot protocol because of
> auto-negotiation restarts before each configuration filename trial.
> To avoid this issue don't disable clk_ck clock after it was enabled.
> Signed-off-by: Daniil Stas <daniil.stas at posteo.net>
> Cc: Ramon Fried <rfried.dev at gmail.com>
> Cc: Joe Hershberger <joe.hershberger at ni.com>
> Cc: Patrick Delaunay <patrick.delaunay at foss.st.com>
> Cc: Patrice Chotard <patrice.chotard at foss.st.com>
> ---
>   drivers/net/dwc_eth_qos.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)

Reviewed-by: Patrick Delaunay <patrick.delaunay at foss.st.com>


More information about the U-Boot mailing list