[PATCH net-next v4 0/3] can: mscan-mpc5xxx: add support for the Freescale MPC512x

[Wolfgang Grandegger <wg@grandegger.com>]

This patch series adds support for the MPC512x from Freescale to the
mpc5xxx_can MSCAN driver. It has been tested on a MPC5121 and MPC5200B
board.

Changes since v3:

- drop invalid skb packets in mscan_start_xmit() silently as suggested
  by David Miller in the thread "[RFC] ndo_validate_skb: Let the netdev
  check a valid skb content".

Changes since v2:

- Debugging code just for development has beem removed.
- Bus-off recovery tested and fixed for MPC5121.

Changes since v1:

- Various coding style issues, print formats, variable names, error
  messages and typos fixes or improved.

- MPC5xxx specific data are now passed to mpc5xxx_can_probe() via
  "of_device_id->data".

- The index of the MPC512x CAN controller is now derived directly
  from the reg property. This allows using of_iomap() as before.

- It has been documented that MPC512x Rev.1 CPUs are not supported.

Wolfgang

Wolfgang Grandegger (3):
  can: mscan: fix improper return if dlc < 8 in start_xmit function
  can: mscan-mpc5xxx: add support for the MPC512x processor
  powerpc/mpc5xxx: add OF platform binding doc for FSL MSCAN devices

 Documentation/powerpc/dts-bindings/fsl/can.txt     |   53 +++++
 Documentation/powerpc/dts-bindings/fsl/mpc5200.txt |    9 +-
 drivers/net/can/mscan/Kconfig                      |    7 +-
 drivers/net/can/mscan/mpc5xxx_can.c                |  246 ++++++++++++++++----
 drivers/net/can/mscan/mscan.c                      |   60 ++++-
 drivers/net/can/mscan/mscan.h                      |   86 ++++----
 6 files changed, 355 insertions(+), 106 deletions(-)
 create mode 100644 Documentation/powerpc/dts-bindings/fsl/can.txt