Thread (22 messages) flat view 22 messages, 3 authors, 9d ago

Re: [PATCH net-next 7/9] net: stmmac: qcom-ethqos: set initial RGMII link clock to lowest speed

From: Maxime Chevallier <maxime.chevallier@bootlin.com>
Date: 2026-09-05 11:21:58
Also in: linux-arm-msm, linux-devicetree, lkml, netdev

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

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