linux-kernel - Re: [PATCH 1/4] net: sfp: add workaround for Realtek RTL8672 and RTL9601C chips

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Date:   Wed, 30 Dec 2020 19:39:39 +0000
From:   Russell King - ARM Linux admin <linux@...linux.org.uk>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     Pali Rohár <pali@...nel.org>,
        Heiner Kallweit <hkallweit1@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Marek Behún <kabel@...nel.org>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] net: sfp: add workaround for Realtek RTL8672 and
 RTL9601C chips

On Wed, Dec 30, 2020 at 08:30:52PM +0100, Andrew Lunn wrote:
> > Ok!
> > 
> > So should we completely skip hwmon_device_register_with_info() call
> > if (i2c_block_size < 2) ?
> 
> Yep. That would be a nice simple test.
> 
> But does ethtool -m still export the second page? That is also
> unreliable.

It will do, but we need to check how ethtool decides to request/dump
that information - we probably need to make sfp_module_info()
report that it's a ETH_MODULE_SFF_8079 style EEPROM, not the
ETH_MODULE_SFF_8472 style.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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