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SubjectRe: [PATCH net] net: bcmgenet: ensure EXT_ENERGY_DET_MASK is clear

On 6/25/2021 3:03 PM, Florian Fainelli wrote:
> On 6/25/21 2:57 PM, Doug Berger wrote:
>> 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 <>
> Acked-by: Florian Fainelli <>

Doug, it looks like this patch introduces an unused "reg" variable
warning at lines 3296 and 4137 which is why the patch was marked as
"Changes Requested":


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