linux-kernel - Re: [PATCH v4 2/5] net: rnpgbe: Add n500/n210 chip support

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Message-ID: <F74E98A5E4BF5DA4+20250815023836.GB1137415@nic-Precision-5820-Tower>
Date: Fri, 15 Aug 2025 10:38:36 +0800
From: Yibo Dong <dong100@...se.com>
To: Andrew Lunn <andrew@...n.ch>
Cc: andrew+netdev@...n.ch, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com, horms@...nel.org,
	corbet@....net, gur.stavi@...wei.com, maddy@...ux.ibm.com,
	mpe@...erman.id.au, danishanwar@...com, lee@...ger.us,
	gongfan1@...wei.com, lorenzo@...nel.org, geert+renesas@...der.be,
	Parthiban.Veerasooran@...rochip.com, lukas.bulwahn@...hat.com,
	alexanderduyck@...com, richardcochran@...il.com,
	netdev@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 2/5] net: rnpgbe: Add n500/n210 chip support

On Fri, Aug 15, 2025 at 04:05:32AM +0200, Andrew Lunn wrote:
> > +	hw->driver_version = 0x0002040f;
> 
> What does this mean? It is not used anywhere. Such values are usually
> useless, because they never change, where as the kernel around the
> driver changes all the time, and it is the combination of the driver
> and the kernel which matters.
> 
>     Andrew
> 
> ---
> pw-bot: cr
> 

It means driver version 0.2.4.16.
I used it in 'mucse_mbx_ifinsmod'(patch4, I will move this to that patch),
to echo 'driver version' to FW. FW reply different command for different driver.

Thanks for your feedback.