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Date:   Sat, 26 Mar 2022 00:10:10 +0000
To:     Florian Fainelli <>
Subject: Re: [PATCH net v2] net: phy: broadcom: Fix brcm_fet_config_init()


This patch was applied to netdev/net.git (master)
by Jakub Kicinski <>:

On Thu, 24 Mar 2022 16:24:38 -0700 you wrote:
> A Broadcom AC201 PHY (same entry as 5241) would be flagged by the
> Broadcom UniMAC MDIO controller as not completing the turn around
> properly since the PHY expects 65 MDC clock cycles to complete a write
> cycle, and the MDIO controller was only sending 64 MDC clock cycles as
> determined by looking at a scope shot.
> This would make the subsequent read fail with the UniMAC MDIO controller
> command field having MDIO_READ_FAIL set and we would abort the
> brcm_fet_config_init() function and thus not probe the PHY at all.
> [...]

Here is the summary with links:
  - [net,v2] net: phy: broadcom: Fix brcm_fet_config_init()

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