linux-kernel - Re: [PATCH net-next] net: micrel: Fix the frequency adjustments

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Message-ID: <5f123f39-efbd-44d6-b4cc-db33d175fa21@lunn.ch>
Date: Sat, 3 Feb 2024 17:33:19 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Horatiu Vultur <horatiu.vultur@...rochip.com>
Cc: hkallweit1@...il.com, linux@...linux.org.uk, davem@...emloft.net,
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	UNGLinuxDriver@...rochip.com
Subject: Re: [PATCH net-next] net: micrel: Fix the frequency adjustments

On Thu, Feb 01, 2024 at 09:42:03PM +0100, Horatiu Vultur wrote:
> By default lan8841's 1588 clock frequency is 125MHz. But when adjusting
> the frequency, it is using the 1PPM format of the lan8814. Which is the
> wrong format as lan8814 has a 1588 clock frequency of 250MHz. So then
> for each 1PPM adjustment would adjust less than expected.
> Therefore fix this by using the correct 1PPM format for lan8841.
> 
> Signed-off-by: Horatiu Vultur <horatiu.vultur@...rochip.com>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew