From: Florian Fainelli <f.fainelli@gmail.com>
To: Doug Berger <opendmb@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>
Cc: bcm-kernel-feedback-list@broadcom.com, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH net] net: bcmgenet: ensure EXT_ENERGY_DET_MASK is clear
Date: Fri, 25 Jun 2021 15:03:57 -0700 [thread overview]
Message-ID: <79839c8f-4c4d-a70d-178c-1d7674e2b429@gmail.com> (raw)
In-Reply-To: <20210625215732.209588-1-opendmb@gmail.com>
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@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
--
Florian
next prev parent reply other threads:[~2021-06-25 22:04 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-25 21:57 [PATCH net] net: bcmgenet: ensure EXT_ENERGY_DET_MASK is clear Doug Berger
2021-06-25 22:03 ` Florian Fainelli [this message]
2021-06-29 3:47 ` Florian Fainelli
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