Some of the Marvell switches are SERDES interface, which must be powered up before packets can be passed. This is particularly true on the 6390, where the SERDES defaults to down, probably to save power.
This series refactors the existing SERDES support for the 6352, and adds 6390 support. Andrew Lunn (3): net: dsa: mv88e6xxx: Refactor mv88e6352 SERDES code into an op net: dsa: mv88e6xxx: mv88e6390X SERDES support dsa: mv88e6xxx: Enable/Disable SERDES on port enable/disable drivers/net/dsa/mv88e6xxx/Makefile | 1 + drivers/net/dsa/mv88e6xxx/chip.c | 120 +++++++++--------- drivers/net/dsa/mv88e6xxx/mv88e6xxx.h | 39 +++--- drivers/net/dsa/mv88e6xxx/serdes.c | 231 ++++++++++++++++++++++++++++++++++ drivers/net/dsa/mv88e6xxx/serdes.h | 45 +++++++ 5 files changed, 351 insertions(+), 85 deletions(-) create mode 100644 drivers/net/dsa/mv88e6xxx/serdes.c create mode 100644 drivers/net/dsa/mv88e6xxx/serdes.h -- 2.11.0
