[GIT PULL] firmware: arm_scmi: Fixes for v5.15

[Sudeep Holla]

Hi ARM SoC Team,

Please pull !

Regards,
Sudeep

-->8

The following changes since commit 6880fa6c56601bb8ed59df6c30fd390cc5f6dd8f:

  Linux 5.15-rc1 (2021-09-12 16:28:37 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux.git tags/scmi-fixes-5.15

for you to fetch changes up to bf1acf809d5694a942e113dfca6ef076d3904bb4:

  firmware: arm_scmi: Add proper barriers to scmi virtio device (2021-10-06 11:12:45 +0100)

----------------------------------------------------------------
SCMI fixes for v5.15

A few fixes addressing:
- Kconfig dependency between VIRTIO and ARM_SCMI_PROTOCOL
- Link-time error with __exit annotation for virtio_scmi_exit
- Unnecessary nested irqsave/irqrestore spinlocks in virtio transport
- Missing SMP barriers to protect accesses to SCMI virtio device

----------------------------------------------------------------
Arnd Bergmann (1):
      firmware: arm_scmi: Remove __exit annotation

Cristian Marussi (3):
      firmware: arm_scmi: Fix virtio transport Kconfig dependency
      firmware: arm_scmi: Simplify spinlocks in virtio transport
      firmware: arm_scmi: Add proper barriers to scmi virtio device

 drivers/firmware/arm_scmi/Kconfig  |  2 +-
 drivers/firmware/arm_scmi/virtio.c | 44 +++++++++++++++++++++++++++-----------
 2 files changed, 32 insertions(+), 14 deletions(-)