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Message-ID: <8076667b-59e7-5289-362d-5cc55bfb56f5@gmail.com>
Date:   Mon, 28 Jun 2021 20:47:04 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Doug Berger <opendmb@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     bcm-kernel-feedback-list@...adcom.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [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 <opendmb@...il.com>
> 
> Acked-by: Florian Fainelli <f.fainelli@...il.com>
> 

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":

https://patchwork.kernel.org/project/netdevbpf/patch/20210625215732.209588-1-opendmb@gmail.com/
https://patchwork.hopto.org/static/nipa//507371/12345957/build_32bit


-- 
Florian

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