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Date: Sun, 21 Jul 2019 11:52:39 -0700 (PDT) From: David Miller <davem@...emloft.net> To: andrew@...n.ch Cc: netdev@...r.kernel.org, rmk+kernel@....linux.org.uk, Chris.Healy@....aero Subject: Re: [PATCH net] net: phy: sfp: hwmon: Fix scaling of RX power From: Andrew Lunn <andrew@...n.ch> Date: Sun, 21 Jul 2019 18:50:08 +0200 > The RX power read from the SFP uses units of 0.1uW. This must be > scaled to units of uW for HWMON. This requires a divide by 10, not the > current 100. > > With this change in place, sensors(1) and ethtool -m agree: > > sff2-isa-0000 > Adapter: ISA adapter > in0: +3.23 V > temp1: +33.1 C > power1: 270.00 uW > power2: 200.00 uW > curr1: +0.01 A > > Laser output power : 0.2743 mW / -5.62 dBm > Receiver signal average optical power : 0.2014 mW / -6.96 dBm > > Reported-by: chris.healy@....aero > Signed-off-by: Andrew Lunn <andrew@...n.ch> > Fixes: 1323061a018a ("net: phy: sfp: Add HWMON support for module sensors") Applied and queued up for -stable, thanks Andrew.
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