From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Lei Wei <quic_leiwei@quicinc.com>
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@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>, Andrew Lunn <andrew@lunn.ch>,
Heiner Kallweit <hkallweit1@gmail.com>,
netdev@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, quic_kkumarcs@quicinc.com,
quic_suruchia@quicinc.com, quic_pavir@quicinc.com,
quic_linchen@quicinc.com, quic_luoj@quicinc.com,
srinivas.kandagatla@linaro.org, bartosz.golaszewski@linaro.org,
vsmuthu@qti.qualcomm.com, john@phrozen.org,
linux-arm-msm@vger.kernel.org
Subject: Re: [PATCH net-next v2 4/5] net: pcs: qcom-ipq9574: Add USXGMII interface mode support
Date: Wed, 4 Dec 2024 15:38:03 +0000 [thread overview]
Message-ID: <Z1B3W94-8qjn17Sj@shell.armlinux.org.uk> (raw)
In-Reply-To: <20241204-ipq_pcs_rc1-v2-4-26155f5364a1@quicinc.com>
On Wed, Dec 04, 2024 at 10:43:56PM +0800, Lei Wei wrote:
> +static int ipq_pcs_link_up_config_usxgmii(struct ipq_pcs *qpcs, int speed)
> +{
...
> + /* USXGMII only support full duplex mode */
> + val |= XPCS_DUPLEX_FULL;
Again... this restriction needs to be implemented in .pcs_validate() by
knocking out the half-duplex link modes when using USXGMII mode.
.pcs_validate() needs to be implemented whenever the PCS has
restrictions beyond what is standard for the PHY interface mode.
Thanks.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!
next prev parent reply other threads:[~2024-12-04 15:38 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-04 14:43 [PATCH net-next v2 0/5] Add PCS support for Qualcomm IPQ9574 SoC Lei Wei
2024-12-04 14:43 ` [PATCH net-next v2 1/5] dt-bindings: net: pcs: Add Ethernet PCS " Lei Wei
2024-12-05 9:47 ` Krzysztof Kozlowski
2024-12-04 14:43 ` [PATCH net-next v2 2/5] net: pcs: Add PCS driver " Lei Wei
2024-12-04 14:43 ` [PATCH net-next v2 3/5] net: pcs: qcom-ipq9574: Add PCS instantiation and phylink operations Lei Wei
2024-12-04 15:28 ` Russell King (Oracle)
2024-12-06 16:20 ` Lei Wei
2024-12-06 16:28 ` Russell King (Oracle)
2024-12-10 13:28 ` Lei Wei
2024-12-04 14:43 ` [PATCH net-next v2 4/5] net: pcs: qcom-ipq9574: Add USXGMII interface mode support Lei Wei
2024-12-04 15:38 ` Russell King (Oracle) [this message]
2024-12-06 16:20 ` Lei Wei
2024-12-06 16:31 ` Russell King (Oracle)
2024-12-10 13:25 ` Lei Wei
2024-12-04 14:43 ` [PATCH net-next v2 5/5] MAINTAINERS: Add maintainer for Qualcomm IPQ9574 PCS driver Lei Wei
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