linux-imx
> ; Florian Fainelli
> Subject: Re: [PATCH] net: phy: fix PHY possibly unwork after MDIO bus resume
> back
>
> On 07.04.2021 12:05, Joakim Zhang wrote:
> >
> > Hi Heiner,
> >
> >> -Original Message-
> >> From: Joakim Zhang
t.net;
>> k...@kernel.org
>> Cc: netdev@vger.kernel.org; linux-ker...@vger.kernel.org; dl-linux-imx
>> ; Florian Fainelli
>> Subject: RE: [PATCH] net: phy: fix PHY possibly unwork after MDIO bus resume
>> back
>>
>>
>> Hi Heiner,
>>
>>>
nel.org; dl-linux-imx
> ; Florian Fainelli
> Subject: RE: [PATCH] net: phy: fix PHY possibly unwork after MDIO bus resume
> back
>
>
> Hi Heiner,
>
> > -Original Message-
> > From: Heiner Kallweit
> > Sent: 2021年4月7日 15:12
> > To:
nel.org; dl-linux-imx
> ; Florian Fainelli
> Subject: Re: [PATCH] net: phy: fix PHY possibly unwork after MDIO bus resume
> back
>
> On 07.04.2021 03:43, Joakim Zhang wrote:
> >
> > Hi Heiner,
> >
> >> -Original Message-
> >> From: Heiner Kallw
gt; k...@kernel.org; Russell King - ARM Linux
>> Cc: netdev@vger.kernel.org; linux-ker...@vger.kernel.org; dl-linux-imx
>> ; Florian Fainelli
>> Subject: Re: [PATCH] net: phy: fix PHY possibly unwork after MDIO bus resume
>> back
>>
>> On 06.
kernel.org; linux-ker...@vger.kernel.org; dl-linux-imx
> ; Florian Fainelli
> Subject: Re: [PATCH] net: phy: fix PHY possibly unwork after MDIO bus resume
> back
>
> On 06.04.2021 13:42, Heiner Kallweit wrote:
> > On 06.04.2021 12:07, Joakim Zhang wrote:
> >>
> >>> ---
On 4/6/2021 11:43 AM, Heiner Kallweit wrote:
> On 06.04.2021 20:32, Florian Fainelli wrote:
>>
>>
>> On 4/6/2021 4:42 AM, Heiner Kallweit wrote:
>>>
>>> Waiting for ANEG_COMPLETE to be set wouldn't be a good option. Aneg may
>>> never
>>> complete for different reasons, e.g. no physical link. A
On 06.04.2021 20:32, Florian Fainelli wrote:
>
>
> On 4/6/2021 4:42 AM, Heiner Kallweit wrote:
>>
>> Waiting for ANEG_COMPLETE to be set wouldn't be a good option. Aneg may never
>> complete for different reasons, e.g. no physical link. And even if we use a
>> timeout this may add unwanted delays
On 4/6/2021 4:42 AM, Heiner Kallweit wrote:
>
> Waiting for ANEG_COMPLETE to be set wouldn't be a good option. Aneg may never
> complete for different reasons, e.g. no physical link. And even if we use a
> timeout this may add unwanted delays.
>
>> Do you have any other insights that can help
.ch; li...@armlinux.org.uk; da...@davemloft.net;
>>> k...@kernel.org
>>> Cc: netdev@vger.kernel.org; linux-ker...@vger.kernel.org; dl-linux-imx
>>>
>>> Subject: Re: [PATCH] net: phy: fix PHY possibly unwork after MDIO bus resume
>>> back
>>>
>&g
gt;> Cc: netdev@vger.kernel.org; linux-ker...@vger.kernel.org; dl-linux-imx
>>
>> Subject: Re: [PATCH] net: phy: fix PHY possibly unwork after MDIO bus resume
>> back
>>
>> On 06.04.2021 04:07, Joakim Zhang wrote:
>>>
>>> Hi Heiner,
>&
-imx
>
> Subject: Re: [PATCH] net: phy: fix PHY possibly unwork after MDIO bus resume
> back
>
> On 06.04.2021 04:07, Joakim Zhang wrote:
> >
> > Hi Heiner,
> >
> >> -Original Message-
> >> From: Heiner Kallweit
> >> Sent: 2021年4
t.net;
>> k...@kernel.org
>> Cc: netdev@vger.kernel.org; linux-ker...@vger.kernel.org; dl-linux-imx
>>
>> Subject: Re: [PATCH] net: phy: fix PHY possibly unwork after MDIO bus resume
>> back
>>
>> On 05.04.2021 10:43, Christian Melki wrote:
>>> On 4/5/21
nel.org; dl-linux-imx
>
> Subject: Re: [PATCH] net: phy: fix PHY possibly unwork after MDIO bus resume
> back
>
> On 05.04.2021 10:43, Christian Melki wrote:
> > On 4/5/21 12:48 AM, Heiner Kallweit wrote:
> >> On 04.04.2021 16:09, Heiner Kallweit wrote:
> >
nel.org; dl-linux-imx
>
> Subject: Re: [PATCH] net: phy: fix PHY possibly unwork after MDIO bus resume
> back
>
> On 4/5/21 12:48 AM, Heiner Kallweit wrote:
> > On 04.04.2021 16:09, Heiner Kallweit wrote:
> >> On 04.04.2021 12:07, Joakim Zhang wrote:
> >>> com
tian.me...@t2data.com
> Subject: Re: [PATCH] net: phy: fix PHY possibly unwork after MDIO bus resume
> back
>
> On 04.04.2021 16:09, Heiner Kallweit wrote:
> > On 04.04.2021 12:07, Joakim Zhang wrote:
> >> commit 4c0d2e96ba055 ("net: phy: consider that suspend2ram may cut
.org; dl-linux-imx
> ; christian.me...@t2data.com
> Subject: Re: [PATCH] net: phy: fix PHY possibly unwork after MDIO bus resume
> back
>
> On 04.04.2021 12:07, Joakim Zhang wrote:
> > commit 4c0d2e96ba055 ("net: phy: consider that suspend2ram may cut off
> > PHY power&quo
On 4/5/2021 7:58 AM, Heiner Kallweit wrote:
> On 05.04.2021 15:53, Christian Melki wrote:
>> On 4/5/21 2:09 PM, Heiner Kallweit wrote:
>>> On 05.04.2021 10:43, Christian Melki wrote:
On 4/5/21 12:48 AM, Heiner Kallweit wrote:
> On 04.04.2021 16:09, Heiner Kallweit wrote:
>> On 04.04
On 05.04.2021 15:53, Christian Melki wrote:
> On 4/5/21 2:09 PM, Heiner Kallweit wrote:
>> On 05.04.2021 10:43, Christian Melki wrote:
>>> On 4/5/21 12:48 AM, Heiner Kallweit wrote:
On 04.04.2021 16:09, Heiner Kallweit wrote:
> On 04.04.2021 12:07, Joakim Zhang wrote:
>> commit 4c0d2e9
On 4/5/21 2:09 PM, Heiner Kallweit wrote:
> On 05.04.2021 10:43, Christian Melki wrote:
>> On 4/5/21 12:48 AM, Heiner Kallweit wrote:
>>> On 04.04.2021 16:09, Heiner Kallweit wrote:
On 04.04.2021 12:07, Joakim Zhang wrote:
> commit 4c0d2e96ba055 ("net: phy: consider that suspend2ram may cu
On 05.04.2021 10:43, Christian Melki wrote:
> On 4/5/21 12:48 AM, Heiner Kallweit wrote:
>> On 04.04.2021 16:09, Heiner Kallweit wrote:
>>> On 04.04.2021 12:07, Joakim Zhang wrote:
commit 4c0d2e96ba055 ("net: phy: consider that suspend2ram may cut
off PHY power") invokes phy_init_hw() whe
On 4/5/21 12:48 AM, Heiner Kallweit wrote:
> On 04.04.2021 16:09, Heiner Kallweit wrote:
>> On 04.04.2021 12:07, Joakim Zhang wrote:
>>> commit 4c0d2e96ba055 ("net: phy: consider that suspend2ram may cut
>>> off PHY power") invokes phy_init_hw() when MDIO bus resume, it will
>>> soft reset PHY if P
On 04.04.2021 16:09, Heiner Kallweit wrote:
> On 04.04.2021 12:07, Joakim Zhang wrote:
>> commit 4c0d2e96ba055 ("net: phy: consider that suspend2ram may cut
>> off PHY power") invokes phy_init_hw() when MDIO bus resume, it will
>> soft reset PHY if PHY driver implements soft_reset callback.
>> comm
On 04.04.2021 12:07, Joakim Zhang wrote:
> commit 4c0d2e96ba055 ("net: phy: consider that suspend2ram may cut
> off PHY power") invokes phy_init_hw() when MDIO bus resume, it will
> soft reset PHY if PHY driver implements soft_reset callback.
> commit 764d31cacfe4 ("net: phy: micrel: set soft_reset
commit 4c0d2e96ba055 ("net: phy: consider that suspend2ram may cut
off PHY power") invokes phy_init_hw() when MDIO bus resume, it will
soft reset PHY if PHY driver implements soft_reset callback.
commit 764d31cacfe4 ("net: phy: micrel: set soft_reset callback to
genphy_soft_reset for KSZ8081") adds
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