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H A D | sfp.c | 710dfbb0 Thu Nov 30 07:59:16 CST 2017 Russell King <rmk+kernel@armlinux.org.uk> sfp: improve RX_LOS handling
There are two bits in the option word for the RX_LOS signal. One reports that the RX_LOS signal is active high, the other reports that it is active low. When both or neither are set, the result is not well defined in the specification.
Rather than assuming that neither set means normal RX_LOS, take this as meaning no RX_LOS signal available, thereby ignoring the signal.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net> 710dfbb0 Thu Nov 30 07:59:16 CST 2017 Russell King <rmk+kernel@armlinux.org.uk> sfp: improve RX_LOS handling There are two bits in the option word for the RX_LOS signal. One reports that the RX_LOS signal is active high, the other reports that it is active low. When both or neither are set, the result is not well defined in the specification. Rather than assuming that neither set means normal RX_LOS, take this as meaning no RX_LOS signal available, thereby ignoring the signal. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
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