From: Heiner Kallweit <hkallweit1@gmail.com>
To: "Marek Behún" <kabel@kernel.org>
Cc: netdev@vger.kernel.org, "Andrew Lunn" <andrew@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
"Jakub Kicinski" <kuba@kernel.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"Russell King" <rmk+kernel@armlinux.org.uk>,
"Alexander Couzens" <lynxis@fe80.eu>,
"Daniel Golle" <daniel@makrotopia.org>,
"Willy Liu" <willy.liu@realtek.com>,
"Ioana Ciornei" <ioana.ciornei@nxp.com>,
"Marek Mojík" <marek.mojik@nic.cz>,
"Maximilián Maliar" <maximilian.maliar@nic.cz>
Subject: Re: [PATCH net-next 00/15] Realtek RTL822x PHY rework to c45 and SerDes interface switching
Date: Sat, 23 Dec 2023 20:09:33 +0100 [thread overview]
Message-ID: <5b9ae8ea-5817-47b0-9d51-0b15098db5cf@gmail.com> (raw)
In-Reply-To: <20231220172518.50f56aaa@dellmb>
On 20.12.2023 17:25, Marek Behún wrote:
> On Wed, 20 Dec 2023 17:20:07 +0100
> Heiner Kallweit <hkallweit1@gmail.com> wrote:
>
>> On 20.12.2023 16:55, Marek Behún wrote:
>>> Hi,
>>>
>>> this series reworks the realtek PHY driver's support for rtl822x
>>> 2.5G transceivers:
>>>
>>> - First I change the driver so that the high level driver methods
>>> only use clause 45 register accesses (the only clause 22 accesses
>>> are left when accessing c45 registers indirectly, if the MDIO bus
>>> does not support clause 45 accesses).
>>> The driver starts using the genphy_c45_* methods.
>>>
>>> At this point the driver is ready to be used on a MDIO bus capable
>>> of only clause 45 accesses, but will still work on clause 22 only
>>> MDIO bus.
>>>
>>> - I then add support for SerDes mode switching between 2500base-x
>>> and sgmii, based on autonegotiated copper speed.
>>>
>>> All this is done so that we can support another 2.5G copper SFP
>>> module, which is enabled by the last patch.
>>>
>>
>> Has been verified that the RTL8125-integrated PHY's still work
>> properly with this patch set?
>>
>
> Hi Heiner,
>
> no, I wanted to send you an email to test this. I do not have the
> controllers with integrates PHYs.
>
> Can you test this?
>
> Also do you have a controller where the rtlgen driver is used but it
> only supports 1gbps ? I.e. where the PHY ID is RTL_GENERIC_PHYID
> (0x001cc800).
>
> I am asking because I am told that it also is clause 45, so the drivers
> can potentially be merged completely (the rtl822x_ functions can be
> merged with rtlgen_ functions and everything rewritten to clause 45,
> and gentphy_c45_ functions can be used).
>
At least on RTL8168h indirect MMD reads return 0 always.
IIRC this was the reason why the rtlgen functions use the vendor-specific
registers.
> Marek
next prev parent reply other threads:[~2023-12-23 19:09 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-20 15:55 [PATCH net-next 00/15] Realtek RTL822x PHY rework to c45 and SerDes interface switching Marek Behún
2023-12-20 15:55 ` [PATCH net-next 01/15] net: phy: fail early with error code if indirect MMD access fails Marek Behún
2024-01-02 11:09 ` Russell King (Oracle)
2023-12-20 15:55 ` [PATCH net-next 02/15] net: phy: export indirect MMD register accessors Marek Behún
2024-01-02 11:15 ` Russell King (Oracle)
2023-12-20 15:55 ` [PATCH net-next 03/15] net: phy: realtek: rework MMD register access methods Marek Behún
2024-01-02 11:16 ` Russell King (Oracle)
2024-01-02 13:18 ` Heiner Kallweit
2023-12-20 15:55 ` [PATCH net-next 04/15] net: phy: realtek: fill .read_mmd and .write_mmd methods for all rtl822x PHYs Marek Behún
2024-01-02 11:16 ` Russell King (Oracle)
2023-12-20 15:55 ` [PATCH net-next 05/15] net: mdio: add 2.5g and 5g related PMA speed constants Marek Behún
2024-01-02 11:05 ` Russell King (Oracle)
2023-12-20 15:55 ` [PATCH net-next 06/15] net: phy: realtek: use generic MDIO constants Marek Behún
2024-01-02 11:06 ` Russell King (Oracle)
2023-12-20 15:55 ` [PATCH net-next 07/15] net: phy: realtek: set is_c45 and fill in c45 IDs in PHY probe for rtl822x PHYs Marek Behún
2023-12-20 15:55 ` [PATCH net-next 08/15] net: phy: realtek: use generic clause 45 feature reading " Marek Behún
2023-12-20 15:55 ` [PATCH net-next 09/15] net: phy: realtek: read standard MMD register for rtlgen speed capability Marek Behún
2023-12-20 15:55 ` [PATCH net-next 10/15] net: phy: realtek: use generic c45 AN config with 1000baseT vendor extension for rtl822x Marek Behún
2023-12-20 15:55 ` [PATCH net-next 11/15] net: phy: realtek: use generic c45 status reading " Marek Behún
2023-12-20 15:55 ` [PATCH net-next 12/15] net: phy: realtek: use generic c45 suspend/resume " Marek Behún
2023-12-20 15:55 ` [PATCH net-next 13/15] net: phy: realtek: drop .read_page and .write_page for rtl822x series Marek Behún
2023-12-20 17:23 ` Heiner Kallweit
2023-12-21 10:21 ` Marek Behún
2023-12-20 15:55 ` [PATCH net-next 14/15] net: phy: realtek: configure SerDes mode for rtl822x PHYs Marek Behún
2023-12-20 15:55 ` [PATCH net-next 15/15] net: sfp: add quirk for another multigig RollBall transceiver Marek Behún
2023-12-20 16:20 ` [PATCH net-next 00/15] Realtek RTL822x PHY rework to c45 and SerDes interface switching Heiner Kallweit
2023-12-20 16:25 ` Marek Behún
2023-12-20 17:07 ` Heiner Kallweit
2023-12-23 19:09 ` Heiner Kallweit [this message]
2023-12-25 10:28 ` Marek Behún
2023-12-26 12:46 ` Heiner Kallweit
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