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SubjectRe: [PATCH] net: mvneta: Fix Serdes configuration for 2.5Gbps modes
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On 6/9/2020 11:26 PM, Sascha Hauer wrote:
> Hi Andrew,
>
> +Cc Maxime Chevallier
>
> On Tue, Jun 09, 2020 at 03:28:48PM +0200, Andrew Lunn wrote:
>> On Tue, Jun 09, 2020 at 03:11:52PM +0200, Sascha Hauer wrote:
>>> The Marvell MVNETA Ethernet controller supports a 2.5Gbps SGMII mode
>>> called DRSGMII. Depending on the Port MAC Control Register0 PortType
>>> setting this seems to be either an overclocked SGMII mode or 2500BaseX.
>>>
>>> This patch adds the necessary Serdes Configuration setting for the
>>> 2.5Gbps modes. There is no phy interface mode define for overclocked
>>> SGMII, so only 2500BaseX is handled for now.
>>>
>>> As phy_interface_mode_is_8023z() returns true for both
>>> PHY_INTERFACE_MODE_1000BASEX and PHY_INTERFACE_MODE_2500BASEX we
>>> explicitly test for 1000BaseX instead of using
>>> phy_interface_mode_is_8023z() to differentiate the different
>>> possibilities.
>>
>> Hi Sascha
>>
>> This seems like it should have a Fixes: tag, and be submitted to the
>> net tree. Please see the Networking FAQ.
>
> This might be a candidate for a Fixes: tag:
>
> | commit da58a931f248f423f917c3a0b3c94303aa30a738
> | Author: Maxime Chevallier <maxime.chevallier@bootlin.com>
> | Date: Tue Sep 25 15:59:39 2018 +0200
> |
> | net: mvneta: Add support for 2500Mbps SGMII
>
> What do you mean by "submitted to the net tree"? I usually send network
> driver related patches to netdev@vger.kernel.org and from there David
> applies them. Is there anything more to it I haven't respected?

Here are relevant bits from the netdev-FAQ:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/networking/netdev-FAQ.rst#n28

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/networking/netdev-FAQ.rst#n78

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/networking/netdev-FAQ.rst#n210
--
Florian

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