From: Daniel Golle <daniel@makrotopia.org>
To: Conor Dooley <conor@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Chunfeng Yun <chunfeng.yun@mediatek.com>,
Vinod Koul <vkoul@kernel.org>,
Kishon Vijay Abraham I <kishon@kernel.org>,
Felix Fietkau <nbd@nbd.name>, John Crispin <john@phrozen.org>,
Sean Wang <sean.wang@mediatek.com>,
Mark Lee <Mark-MC.Lee@mediatek.com>,
Lorenzo Bianconi <lorenzo@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Andrew Lunn <andrew@lunn.ch>,
Heiner Kallweit <hkallweit1@gmail.com>,
Russell King <linux@armlinux.org.uk>,
Alexander Couzens <lynxis@fe80.eu>,
Qingfang Deng <dqfext@gmail.com>,
SkyLake Huang <SkyLake.Huang@mediatek.com>,
Philipp Zabel <p.zabel@pengutronix.de>,
netdev@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org,
linux-phy@lists.infradead.org
Subject: Re: [RFC PATCH net-next v3 1/8] dt-bindings: phy: mediatek,xfi-pextp: add new bindings
Date: Tue, 12 Dec 2023 16:42:45 +0000 [thread overview]
Message-ID: <ZXiNhSYDbowUiNvy@makrotopia.org> (raw)
In-Reply-To: <20231212-renderer-strobe-2b46652cd6e7@spud>
On Tue, Dec 12, 2023 at 04:21:38PM +0000, Conor Dooley wrote:
> On Tue, Dec 12, 2023 at 03:46:26AM +0000, Daniel Golle wrote:
>
> > + mediatek,usxgmii-performance-errata:
> > + $ref: /schemas/types.yaml#/definitions/flag
> > + description:
> > + USXGMII0 on MT7988 suffers from a performance problem in 10GBase-R
> > + mode which needs a work-around in the driver. The work-around is
> > + enabled using this flag.
>
> Why do you need a property for this if you know that it is present on
> the MT7988?
Because it is only present in one of the two SerDes channels.
Channel 0 needs the work-around, Channel 1 doesn't.
See also this commit in the vendor driver for reference[1].
We previously discussed that[2] and it was decided that a property
would be the prefered way to represent this as there aren't any other
per-instance differences which would justify another compatible.
[1]: https://git01.mediatek.com/plugins/gitiles/openwrt/feeds/mtk-openwrt-feeds/+/a500d94cd47e279015ce22947e1ce396a7516598%5E%21/#F0
[2]: https://patchwork.kernel.org/comment/25592845/
WARNING: multiple messages have this Message-ID (diff)
From: Daniel Golle <daniel@makrotopia.org>
To: Conor Dooley <conor@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Chunfeng Yun <chunfeng.yun@mediatek.com>,
Vinod Koul <vkoul@kernel.org>,
Kishon Vijay Abraham I <kishon@kernel.org>,
Felix Fietkau <nbd@nbd.name>, John Crispin <john@phrozen.org>,
Sean Wang <sean.wang@mediatek.com>,
Mark Lee <Mark-MC.Lee@mediatek.com>,
Lorenzo Bianconi <lorenzo@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Andrew Lunn <andrew@lunn.ch>,
Heiner Kallweit <hkallweit1@gmail.com>,
Russell King <linux@armlinux.org.uk>,
Alexander Couzens <lynxis@fe80.eu>,
Qingfang Deng <dqfext@gmail.com>,
SkyLake Huang <SkyLake.Huang@mediatek.com>,
Philipp Zabel <p.zabel@pengutronix.de>,
netdev@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org,
linux-phy@lists.infradead.org
Subject: Re: [RFC PATCH net-next v3 1/8] dt-bindings: phy: mediatek,xfi-pextp: add new bindings
Date: Tue, 12 Dec 2023 16:42:45 +0000 [thread overview]
Message-ID: <ZXiNhSYDbowUiNvy@makrotopia.org> (raw)
In-Reply-To: <20231212-renderer-strobe-2b46652cd6e7@spud>
On Tue, Dec 12, 2023 at 04:21:38PM +0000, Conor Dooley wrote:
> On Tue, Dec 12, 2023 at 03:46:26AM +0000, Daniel Golle wrote:
>
> > + mediatek,usxgmii-performance-errata:
> > + $ref: /schemas/types.yaml#/definitions/flag
> > + description:
> > + USXGMII0 on MT7988 suffers from a performance problem in 10GBase-R
> > + mode which needs a work-around in the driver. The work-around is
> > + enabled using this flag.
>
> Why do you need a property for this if you know that it is present on
> the MT7988?
Because it is only present in one of the two SerDes channels.
Channel 0 needs the work-around, Channel 1 doesn't.
See also this commit in the vendor driver for reference[1].
We previously discussed that[2] and it was decided that a property
would be the prefered way to represent this as there aren't any other
per-instance differences which would justify another compatible.
[1]: https://git01.mediatek.com/plugins/gitiles/openwrt/feeds/mtk-openwrt-feeds/+/a500d94cd47e279015ce22947e1ce396a7516598%5E%21/#F0
[2]: https://patchwork.kernel.org/comment/25592845/
--
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linux-phy@lists.infradead.org
https://lists.infradead.org/mailman/listinfo/linux-phy
WARNING: multiple messages have this Message-ID (diff)
From: Daniel Golle <daniel@makrotopia.org>
To: Conor Dooley <conor@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Chunfeng Yun <chunfeng.yun@mediatek.com>,
Vinod Koul <vkoul@kernel.org>,
Kishon Vijay Abraham I <kishon@kernel.org>,
Felix Fietkau <nbd@nbd.name>, John Crispin <john@phrozen.org>,
Sean Wang <sean.wang@mediatek.com>,
Mark Lee <Mark-MC.Lee@mediatek.com>,
Lorenzo Bianconi <lorenzo@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Andrew Lunn <andrew@lunn.ch>,
Heiner Kallweit <hkallweit1@gmail.com>,
Russell King <linux@armlinux.org.uk>,
Alexander Couzens <lynxis@fe80.eu>,
Qingfang Deng <dqfext@gmail.com>,
SkyLake Huang <SkyLake.Huang@mediatek.com>,
Philipp Zabel <p.zabel@pengutronix.de>,
netdev@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org,
linux-phy@lists.infradead.org
Subject: Re: [RFC PATCH net-next v3 1/8] dt-bindings: phy: mediatek,xfi-pextp: add new bindings
Date: Tue, 12 Dec 2023 16:42:45 +0000 [thread overview]
Message-ID: <ZXiNhSYDbowUiNvy@makrotopia.org> (raw)
In-Reply-To: <20231212-renderer-strobe-2b46652cd6e7@spud>
On Tue, Dec 12, 2023 at 04:21:38PM +0000, Conor Dooley wrote:
> On Tue, Dec 12, 2023 at 03:46:26AM +0000, Daniel Golle wrote:
>
> > + mediatek,usxgmii-performance-errata:
> > + $ref: /schemas/types.yaml#/definitions/flag
> > + description:
> > + USXGMII0 on MT7988 suffers from a performance problem in 10GBase-R
> > + mode which needs a work-around in the driver. The work-around is
> > + enabled using this flag.
>
> Why do you need a property for this if you know that it is present on
> the MT7988?
Because it is only present in one of the two SerDes channels.
Channel 0 needs the work-around, Channel 1 doesn't.
See also this commit in the vendor driver for reference[1].
We previously discussed that[2] and it was decided that a property
would be the prefered way to represent this as there aren't any other
per-instance differences which would justify another compatible.
[1]: https://git01.mediatek.com/plugins/gitiles/openwrt/feeds/mtk-openwrt-feeds/+/a500d94cd47e279015ce22947e1ce396a7516598%5E%21/#F0
[2]: https://patchwork.kernel.org/comment/25592845/
_______________________________________________
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next prev parent reply other threads:[~2023-12-12 16:43 UTC|newest]
Thread overview: 96+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-12 3:45 [RFC PATCH net-next v3 0/8] Add support for 10G Ethernet SerDes on MT7988 Daniel Golle
2023-12-12 3:45 ` Daniel Golle
2023-12-12 3:45 ` Daniel Golle
2023-12-12 3:46 ` [RFC PATCH net-next v3 1/8] dt-bindings: phy: mediatek,xfi-pextp: add new bindings Daniel Golle
2023-12-12 3:46 ` Daniel Golle
2023-12-12 3:46 ` Daniel Golle
2023-12-12 5:43 ` Rob Herring
2023-12-12 5:43 ` Rob Herring
2023-12-12 5:43 ` Rob Herring
2023-12-12 16:21 ` Conor Dooley
2023-12-12 16:21 ` Conor Dooley
2023-12-12 16:21 ` Conor Dooley
2023-12-12 16:42 ` Daniel Golle [this message]
2023-12-12 16:42 ` Daniel Golle
2023-12-12 16:42 ` Daniel Golle
2023-12-13 9:46 ` Conor Dooley
2023-12-13 9:46 ` Conor Dooley
2023-12-13 9:46 ` Conor Dooley
2023-12-13 13:20 ` Andrew Lunn
2023-12-13 13:20 ` Andrew Lunn
2023-12-13 13:20 ` Andrew Lunn
2023-12-16 1:16 ` Daniel Golle
2023-12-16 1:16 ` Daniel Golle
2023-12-16 1:16 ` Daniel Golle
2023-12-12 3:46 ` [RFC PATCH net-next v3 2/8] phy: add driver for MediaTek pextp 10GE SerDes PHY Daniel Golle
2023-12-12 3:46 ` Daniel Golle
2023-12-12 3:46 ` Daniel Golle
2023-12-12 10:41 ` AngeloGioacchino Del Regno
2023-12-12 10:41 ` AngeloGioacchino Del Regno
2023-12-12 10:41 ` AngeloGioacchino Del Regno
2023-12-13 2:13 ` Chunfeng Yun (云春峰)
2023-12-13 2:13 ` Chunfeng Yun (云春峰)
2023-12-13 2:13 ` Chunfeng Yun (云春峰)
2023-12-21 16:48 ` Vinod Koul
2023-12-21 16:48 ` Vinod Koul
2023-12-21 16:48 ` Vinod Koul
2023-12-12 3:47 ` [RFC PATCH net-next v3 3/8] net: pcs: pcs-mtk-lynxi: add platform driver for MT7988 Daniel Golle
2023-12-12 3:47 ` Daniel Golle
2023-12-12 3:47 ` Daniel Golle
2023-12-13 16:04 ` Russell King (Oracle)
2023-12-13 16:04 ` Russell King (Oracle)
2023-12-13 16:04 ` Russell King (Oracle)
2024-02-07 1:29 ` Daniel Golle
2024-02-07 1:29 ` Daniel Golle
2024-02-07 1:29 ` Daniel Golle
2024-04-22 16:23 ` Daniel Golle
2024-04-22 16:23 ` Daniel Golle
2024-04-22 16:23 ` Daniel Golle
2024-07-10 11:17 ` Frank Wunderlich
2024-07-10 11:17 ` Frank Wunderlich
2024-10-04 14:17 ` Aw: " Frank Wunderlich
2024-10-04 14:17 ` Frank Wunderlich
2024-10-04 14:17 ` Frank Wunderlich
2024-10-04 14:35 ` Russell King (Oracle)
2024-10-04 14:35 ` Russell King (Oracle)
2025-01-05 11:29 ` Aw: " Frank Wunderlich
2025-01-05 11:29 ` Frank Wunderlich
2023-12-12 3:47 ` [RFC PATCH net-next v3 4/8] dt-bindings: net: pcs: add bindings for MediaTek USXGMII PCS Daniel Golle
2023-12-12 3:47 ` Daniel Golle
2023-12-12 3:47 ` Daniel Golle
2023-12-12 5:43 ` Rob Herring
2023-12-12 5:43 ` Rob Herring
2023-12-12 5:43 ` Rob Herring
2023-12-12 16:24 ` Conor Dooley
2023-12-12 16:24 ` Conor Dooley
2023-12-12 16:24 ` Conor Dooley
2023-12-12 3:47 ` [RFC PATCH net-next v3 5/8] net: pcs: add driver " Daniel Golle
2023-12-12 3:47 ` Daniel Golle
2023-12-12 3:47 ` Daniel Golle
2023-12-12 9:29 ` Simon Horman
2023-12-12 9:29 ` Simon Horman
2023-12-12 9:29 ` Simon Horman
2023-12-12 3:48 ` [RFC PATCH net-next v3 6/8] dt-bindings: net: mediatek: remove wrongly added clocks and SerDes Daniel Golle
2023-12-12 3:48 ` Daniel Golle
2023-12-12 3:48 ` Daniel Golle
2023-12-12 5:43 ` Rob Herring
2023-12-12 5:43 ` Rob Herring
2023-12-12 5:43 ` Rob Herring
2023-12-12 16:29 ` Conor Dooley
2023-12-12 16:29 ` Conor Dooley
2023-12-12 16:29 ` Conor Dooley
2023-12-12 3:51 ` [RFC PATCH net-next v3 7/8] dt-bindings: net: mediatek,net: fix and complete mt7988-eth binding Daniel Golle
2023-12-12 3:51 ` Daniel Golle
2023-12-12 3:51 ` Daniel Golle
2023-12-12 5:43 ` Rob Herring
2023-12-12 5:43 ` Rob Herring
2023-12-12 5:43 ` Rob Herring
2023-12-12 16:34 ` Conor Dooley
2023-12-12 16:34 ` Conor Dooley
2023-12-12 16:34 ` Conor Dooley
2023-12-13 6:58 ` Krzysztof Kozlowski
2023-12-13 6:58 ` Krzysztof Kozlowski
2023-12-13 6:58 ` Krzysztof Kozlowski
2023-12-12 3:51 ` [RFC PATCH net-next v3 8/8] net: ethernet: mtk_eth_soc: add paths and SerDes modes for MT7988 Daniel Golle
2023-12-12 3:51 ` Daniel Golle
2023-12-12 3:51 ` Daniel Golle
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