[GIT PULL] RISC-V SoC drivers for v6.4

[Conor Dooley]

Hey Arnd,

Please pull some updates for the "otherwise unloved" RISC-V SoC drivers
for v6.4! The bulk of this is my fixing my own driver, and there's a fix
in here to make sure that we don't hit randconfig build issues once !MMU
is enabled for 32-bit kernels.

Thanks,
Conor.

The following changes since commit fe15c26ee26efa11741a7b632e9f23b01aca4cc6:

  Linux 6.3-rc1 (2023-03-05 14:52:03 -0800)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux.git/ tags/riscv-soc-for-v6.4

for you to fetch changes up to 4dd472bdafcb660bea17bc63a97d06e24fcb36ed:

  soc: microchip: mpfs: add a prefix to rx_callback() (2023-04-03 20:32:43 +0100)

----------------------------------------------------------------
RISC-V SoC drivers for v6.4

Microchip:
Mailbox controller & client changes for the system controller on
PolarFire SoC. The controller bits have been acked by Jassi.
Primarily the changes work around a "hardware" bug (really the system
controller's software, but it may as well be hardware as customers
cannot change it) where interrupts are not generated if a service fails.
The mailbox controller driver is tweaked to use polling, rather than
interrupt, mode and there are some changes to timeout code required in
the client driver as a result. There's some opportunistic cleanup that I
performed while doing the swap too.

Canaan:
A single fix for some randconfig issues that crop up when !mmu is
enabled for 32-bit kernels, due to my changes in a previous release that
swapped out select based entablement of the driver.

Signed-off-by: Conor Dooley <conor.dooley at microchip.com>

----------------------------------------------------------------
Conor Dooley (10):
      mailbox: mpfs: fix an incorrect mask width
      mailbox: mpfs: switch to txdone_poll
      mailbox: mpfs: ditch a useless busy check
      mailbox: mpfs: check the service status in .tx_done()
      soc: microchip: mpfs: fix some horrible alignment
      soc: microchip: mpfs: use a consistent completion timeout
      soc: microchip: mpfs: simplify error handling in mpfs_blocking_transaction()
      soc: microchip: mpfs: handle timeouts and failed services differently
      Merge patch series "mailbox,soc: mpfs: add support for fallible services"
      soc: microchip: mpfs: add a prefix to rx_callback()

Jesse Taube (1):
      soc: canaan: Make K210_SYSCTL depend on CLK_K210

 drivers/mailbox/mailbox-mpfs.c              | 55 +++++++++++++++-------------
 drivers/soc/canaan/Kconfig                  |  5 +--
 drivers/soc/microchip/mpfs-sys-controller.c | 56 +++++++++++++++++++----------
 3 files changed, 72 insertions(+), 44 deletions(-)
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