netdev - Re: [PATCH net-next 1/2] net: sfp: add A2h presence flag

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Message-ID: <0443257e-ed31-421c-af28-4fb728e14210@lunn.ch>
Date:   Thu, 9 Mar 2023 17:12:02 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
Cc:     Heiner Kallweit <hkallweit1@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org
Subject: Re: [PATCH net-next 1/2] net: sfp: add A2h presence flag

On Thu, Mar 09, 2023 at 03:57:11PM +0000, Russell King (Oracle) wrote:
> The hwmon code wants to know when it is safe to access the A2h data
> stored in a separate address. We indicate that this is present when
> we have SFF-8472 compliance and the lack of an address-change
> sequence.,
> 
> The same conditions are also true if we want to access other controls
> and status in the A2h address. So let's make a flag to indicate whether
> we can access it, instead of repeating the conditions throughout the
> code.
> 
> For now, only convert the hwmon code.
> 
> Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>

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

    Andrew