lkml.org 
[lkml]   [2021]   [Jul]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH net backport to 4.14,4.19,5.4] net: bcmgenet: ensure EXT_ENERGY_DET_MASK is clear
From
Date


On 7/22/2021 5:15 PM, Doug Berger wrote:
> [ Upstream commit 5a3c680aa2c12c90c44af383fe6882a39875ab81 ]
>
> Setting the EXT_ENERGY_DET_MASK bit allows the port energy detection
> logic of the internal PHY to prevent the system from sleeping. Some
> internal PHYs will report that energy is detected when the network
> interface is closed which can prevent the system from going to sleep
> if WoL is enabled when the interface is brought down.
>
> Since the driver does not support waking the system on this logic,
> this commit clears the bit whenever the internal PHY is powered up
> and the other logic for manipulating the bit is removed since it
> serves no useful function.
>
> Fixes: 1c1008c793fa ("net: bcmgenet: add main driver file")
> Signed-off-by: Doug Berger <opendmb@gmail.com>

Acked-by: Florian Fainelli <f.fainelli@gmail.com>
--
Florian

\
 
 \ /
  Last update: 2021-07-23 03:58    [W:2.940 / U:0.332 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site