[GIT PULL] Mailbox changes for v5.7

[Jassi Brar]

Hi Linus,

The following changes since commit 6c90b86a745a446717fdf408c4a8a4631a5e8ee3:

  Merge tag 'mmc-v5.6-rc6' of
git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc (2020-03-19
12:45:14 -0700)

are available in the Git repository at:

  git://git.linaro.org/landing-teams/working/fujitsu/integration.git
tags/mailbox-v5.7

for you to fetch changes up to 0a67003b1985c79811160af1b01aca07cd5fbc53:

  mailbox: imx: add SCU MU support (2020-03-19 23:04:32 -0500)

----------------------------------------------------------------
- imx: add support for i.MX8/8X to existing driver
- mediatek: drop the atomix execution feature, add flush
- allwinner: new 'msgbox' controller driver
- armada: misc: drop redundant error print
- bcm: misc: catch error in probe and snprintf buffer overflow

----------------------------------------------------------------
Bibby Hsieh (3):
      dt-binding: gce: remove atomic_exec in mboxes property
      mailbox: mediatek: implement flush function
      mailbox: mediatek: remove implementation related to atomic_exec

Peng Fan (3):
      dt-bindings: mailbox: imx-mu: add SCU MU support
      mailbox: imx: restructure code to make easy for new MU
      mailbox: imx: add SCU MU support

Rayagonda Kokatanur (1):
      maillbox: bcm-flexrm-mailbox: handle cmpl_pool dma allocation failure

Samuel Holland (2):
      dt-bindings: mailbox: Add a binding for the sun6i msgbox
      mailbox: sun6i-msgbox: Add a new mailbox driver

Takashi Iwai (1):
      mailbox: bcm-pdc: Use scnprintf() for avoiding potential buffer overflow

Tang Bin (1):
      mailbox:armada-37xx-rwtm:remove duplicate print in
armada_37xx_mbox_probe()

 .../mailbox/allwinner,sun6i-a31-msgbox.yaml        |  80 +++++
 .../devicetree/bindings/mailbox/fsl,mu.txt         |   2 +
 .../devicetree/bindings/mailbox/mtk-gce.txt        |  10 +-
 drivers/mailbox/Kconfig                            |   9 +
 drivers/mailbox/Makefile                           |   2 +
 drivers/mailbox/armada-37xx-rwtm-mailbox.c         |   8 +-
 drivers/mailbox/bcm-flexrm-mailbox.c               |   2 +
 drivers/mailbox/bcm-pdc-mailbox.c                  |  20 +-
 drivers/mailbox/imx-mailbox.c                      | 288 ++++++++++++++----
 drivers/mailbox/mtk-cmdq-mailbox.c                 | 128 ++++----
 drivers/mailbox/sun6i-msgbox.c                     | 326 +++++++++++++++++++++
 11 files changed, 733 insertions(+), 142 deletions(-)
 create mode 100644
Documentation/devicetree/bindings/mailbox/allwinner,sun6i-a31-msgbox.yaml
 create mode 100644 drivers/mailbox/sun6i-msgbox.c