Re: [PATCH net-next 0/4] net: dsa: mv88e6xxx: Support more SERDES interfacxes
From: Andrew Lunn Date: Sun, 11 Nov 2018 00:32:13 +0100 > Currently the SERDES interfaces for ports 9 and 10 on the mv88e6390x > are supported, allowing upto 10G. However, when unused, these SERDES > interfaces can be used by some of the lower ports for 1000Base-X. > > The tricky bit here is ordering. The SERDES have to become free from > ports 9 or 10 before they can be used with lower ports. Normally, this > would happen only when these ports would be configured up, which is > too late. So at probe time, defaulting ports 9 and 10 to 1000BaseX > frees them for use with lower ports. If they are actually needed, they > will be taken back when port 9 and 10 goes up. Series applied, thanks Andrew.
[PATCH net-next 0/4] net: dsa: mv88e6xxx: Support more SERDES interfacxes
Currently the SERDES interfaces for ports 9 and 10 on the mv88e6390x are supported, allowing upto 10G. However, when unused, these SERDES interfaces can be used by some of the lower ports for 1000Base-X. The tricky bit here is ordering. The SERDES have to become free from ports 9 or 10 before they can be used with lower ports. Normally, this would happen only when these ports would be configured up, which is too late. So at probe time, defaulting ports 9 and 10 to 1000BaseX frees them for use with lower ports. If they are actually needed, they will be taken back when port 9 and 10 goes up. Andrew Lunn (4): net: dsa: mv88e6xxx: Group cmode ops together net: dsa: mv88e6xxx: Differentiate between 6390 and 6390X cmodes net: dsa: mv88e6xxx: Default ports 9/10 6390X CMODE to 1000BaseX net: dsa: mv88e6xxx: Add support for SERDES on ports 2-8 for 6390X drivers/net/dsa/mv88e6xxx/chip.c | 17 ++--- drivers/net/dsa/mv88e6xxx/port.c | 24 +--- drivers/net/dsa/mv88e6xxx/port.h | 2 ++ drivers/net/dsa/mv88e6xxx/serdes.c | 26 +++--- drivers/net/dsa/mv88e6xxx/serdes.h | 2 ++ 5 files changed, 54 insertions(+), 17 deletions(-) -- 2.19.1