From: Maxime Chevallier <maxime.chevallier@bootlin.com>
To: Mohd Ayaan Anwar <mohd.anwar@oss.qualcomm.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"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 Davis <afd@ti.com>,
Andrew Lunn <andrew@lunn.ch>,
Heiner Kallweit <hkallweit1@gmail.com>,
Russell King <linux@armlinux.org.uk>,
Richard Cochran <richardcochran@gmail.com>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Alexandre Torgue <alexandre.torgue@foss.st.com>,
Giuseppe Cavallaro <peppe.cavallaro@st.com>,
Jose Abreu <joabreu@synopsys.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH net-next 7/9] net: stmmac: qcom-ethqos: set initial RGMII link clock to lowest speed
Date: Sat, 5 Sep 2026 13:21:27 +0200 [thread overview]
Message-ID: <a48ec7e7-a2cc-4bb9-96de-69ebae5ba184@bootlin.com> (raw)
In-Reply-To: <20260904-shikra_ethernet-v1-7-a50765996035@oss.qualcomm.com>
Hi,
On 9/3/26 20:43, Mohd Ayaan Anwar wrote:
> On probe the RGMII link clock is initialised at SPEED_1000, which
> translates to a 250 MHz source clock even when no PHY link is present,
> drawing unnecessary power.
>
> Initialise at SPEED_10 instead; fix_mac_speed updates the rate once
> a link is established.
>
> Signed-off-by: Mohd Ayaan Anwar <mohd.anwar@oss.qualcomm.com>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Maxime
next prev parent reply other threads:[~2026-09-05 11:21 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-03 18:43 [PATCH net-next 0/9] net: stmmac: qcom-ethqos: add Shikra EMAC support Mohd Ayaan Anwar
2026-09-03 18:43 ` [PATCH net-next 1/9] dt-bindings: net: ti,dp83867: add supply properties Mohd Ayaan Anwar
2026-09-09 21:47 ` netdev-bot+sashiko
2026-09-03 18:43 ` [PATCH net-next 2/9] net: phy: dp83867: add regulator supply management Mohd Ayaan Anwar
2026-09-04 18:55 ` sashiko-bot
2026-09-09 21:47 ` netdev-bot+sashiko
2026-09-03 18:43 ` [PATCH net-next 3/9] dt-bindings: net: qcom,ethqos: add qcom,shikra-ethqos compatible Mohd Ayaan Anwar
2026-09-09 21:47 ` netdev-bot+sashiko
2026-09-03 18:43 ` [PATCH net-next 4/9] net: stmmac: qcom-ethqos: convert ethqos_rgmii_macro_init() to void Mohd Ayaan Anwar
2026-09-05 11:10 ` Maxime Chevallier
2026-09-09 21:47 ` netdev-bot+sashiko
2026-09-03 18:43 ` [PATCH net-next 5/9] net: stmmac: qcom-ethqos: fix RGMII_ID mode to use DLL bypass Mohd Ayaan Anwar
2026-09-04 18:55 ` sashiko-bot
2026-09-09 21:47 ` netdev-bot+sashiko
2026-09-03 18:43 ` [PATCH net-next 6/9] net: stmmac: qcom-ethqos: warn about legacy RGMII PHY modes Mohd Ayaan Anwar
2026-09-04 18:55 ` sashiko-bot
2026-09-09 21:47 ` netdev-bot+sashiko
2026-09-03 18:43 ` [PATCH net-next 7/9] net: stmmac: qcom-ethqos: set initial RGMII link clock to lowest speed Mohd Ayaan Anwar
2026-09-04 18:55 ` sashiko-bot
2026-09-05 11:21 ` Maxime Chevallier [this message]
2026-09-09 21:47 ` netdev-bot+sashiko
2026-09-03 18:43 ` [PATCH net-next 8/9] net: stmmac: qcom-ethqos: add per-platform NOC clock voting Mohd Ayaan Anwar
2026-09-04 18:55 ` sashiko-bot
2026-09-09 21:47 ` netdev-bot+sashiko
2026-09-03 18:43 ` [PATCH net-next 9/9] net: stmmac: qcom-ethqos: add Shikra EMAC support Mohd Ayaan Anwar
2026-09-04 18:55 ` sashiko-bot
2026-09-09 21:47 ` netdev-bot+sashiko
2026-09-04 21:05 ` [PATCH net-next 0/9] " Mohd Ayaan Anwar
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