netdev - pull-request: can 2021-03-01

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Date:   Mon,  1 Mar 2021 12:20:54 +0100
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, linux-can@...r.kernel.org,
        kernel@...gutronix.de
Subject: pull-request: can 2021-03-01

Hello Jakub, hello David,

this is a pull request of 6 patches for net/master.

The first 3 patches are by Joakim Zhang for the flexcan driver and fix
the probing and starting of the chip.

The next patch is by me, for the mcp251xfd driver and reverts the BQL
support. BQL support got mainline with rc1 and assumes that CAN frames
are always echoed, which is not the case. A proper fix requires
changes more changes and will be rolled out via linux-can-next later.

Oleksij Rempel's patch fixes the socket ref counting if socket was
closed before setting skb ownership.

Torin Cooper-Bennun's patch for the tcan4x5x driver fixes a race
condition, where the chip is first attached the bus and then the MRAM
is initialized, which may result in lost data.

regards,
Marc

---

The following changes since commit 447621e373bd1b22300445639b43c39f399e4c73:

  Merge branch 'net-hns3-fixes-fot-net' (2021-02-28 12:04:02 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can.git tags/linux-can-fixes-for-5.12-20210301

for you to fetch changes up to 2712625200ed69c642b9abc3a403830c4643364c:

  can: tcan4x5x: tcan4x5x_init(): fix initialization - clear MRAM before entering Normal Mode (2021-03-01 11:45:15 +0100)

----------------------------------------------------------------
linux-can-fixes-for-5.12-20210301

----------------------------------------------------------------
Joakim Zhang (3):
      can: flexcan: assert FRZ bit in flexcan_chip_freeze()
      can: flexcan: enable RX FIFO after FRZ/HALT valid
      can: flexcan: invoke flexcan_chip_freeze() to enter freeze mode

Marc Kleine-Budde (1):
      can: mcp251xfd: revert "can: mcp251xfd: add BQL support"

Oleksij Rempel (1):
      can: skb: can_skb_set_owner(): fix ref counting if socket was closed before setting skb ownership

Torin Cooper-Bennun (1):
      can: tcan4x5x: tcan4x5x_init(): fix initialization - clear MRAM before entering Normal Mode

 drivers/net/can/flexcan.c                      | 24 +++++++++++++++---------
 drivers/net/can/m_can/tcan4x5x-core.c          |  6 +++---
 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c | 21 ++++-----------------
 include/linux/can/skb.h                        |  8 ++++++--
 4 files changed, 28 insertions(+), 31 deletions(-)