Re: [net-next,PATCH v2] enetc: Increase eMDIO MDC rate to 2.5 MHz
From: patchwork-bot+netdevbpf
Date: Tue Sep 29 2026 - 22:10:54 EST
Hello:
This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:
On Thu, 24 Sep 2026 20:05:19 +0200 you wrote:
> The current eMDIO MDC rate is 558 kHz on i.MX95 B0. This is very low,
> but also very compatible. However, for example NXP TJA1120 PHY needs
> at minimum 1 MHz MDC clock and 558 kHz does not work with that PHY.
>
> As a minimum change, increase the MDC clock to 2.5 MHz which matches
> the 802.3 specification. Also, even old PHYs like LAN8210Ai, KSZ8794,
> DP83822 support up to 2.5 MHz MDC clock frequency, and it covers the
> NXP TJA1120 as well. There is no known rationale for why the 558 kHz
> was picked when the eMDIO driver was added.
>
> [...]
Here is the summary with links:
- [net-next,v2] enetc: Increase eMDIO MDC rate to 2.5 MHz
https://git.kernel.org/netdev/net-next/c/587acb86d646
You are awesome, thank you!
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