netdev - Re: [PATCH] net: phy: c45-tjaxx: add delay between MDIO write and read in soft

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Message-ID: <20250120144756.60f0879f@kernel.org>
Date: Mon, 20 Jan 2025 14:47:56 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Milos Reljin <milos_reljin@...look.com>
Cc: andrei.botila@....nxp.com, andrew@...n.ch, hkallweit1@...il.com,
 linux@...linux.org.uk, davem@...emloft.net, edumazet@...gle.com,
 pabeni@...hat.com, netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
 milos.reljin@...rk.com
Subject: Re: [PATCH] net: phy: c45-tjaxx: add delay between MDIO write and
 read in soft_reset

On Thu, 16 Jan 2025 14:55:39 +0000 Milos Reljin wrote:
> Add delay before first MDIO read following MDIO write in soft_reset
> function. Without this, soft_reset fails and PHY init cannot complete.

A bit more info about the problem would be good.

Does the problem happen every time for you, if not how often?

What PHY chip do you see this with exactly? The driver supports
at least two. If you can repro with a evaluation / development /
reference board of some sort please also mention which.
-- 
pw-bot: cr