[RFC PATCH 00/18] ARM: msm multiplatform support

On 4 March 2015 at 20:32, Arnd Bergmann [off-list ref] wrote:

This is my final piece of the puzzle for ARMv6/v7 multiplatform
support. In combination with the other patches that are now
at git://kernel.org/pub/scm/linux/kernel/git/arnd/playground.git
multiplatform-4.0-rc2 and the at91 and shmobile parts from other
developers, you can now build one kernel that includes all
ARMv6 and ARMv7 targets we support in Linux.

Since mach-msm has seen very few updates over the last years,
it was more work to get to this point than the others, and
some patches are more of a band-aid than a proper solution.
Still, I think that each patch in the series is an improvement
over the status-quo and I really want to see the last one
merged into 4.1 and it depends on all the other ones.

Stephen Boyd mentioned on IRC that he has been workin on
a similar series, and I'm more than happy to replace some
of this work with patches that he has done, as long as we
can still have the full multiplatform support for 4.1.

Since a lot of the patches are nontrivial and I have not
been able to test any of this, I'm posting it as an RFC,
but I'm also very interested in people testing it.

        Arnd

Arnd Bergmann (18):
  serial: remove obsolete msm_serial_hs driver
  mmc: msm: move data mover into mmc driver
  mmc: msm: pass dmov resources via device
  mmc: msm: move clk-reset logic to platform
  ARM: msm: fix qsd8x50 rev.a support
  ARM: msm: fix mach/msm_iomap.h inclusions
  ARM: msm: fix sirc code for multiplatform
  ARM: msm: fix gpiomux config for multiplatform
  ARM: msm: fix vic irqchip for multiplatform
  gpio: move msm-v1 driver to mach-msm
  clocksource: qcom: make mach-msm and mach-qcom coexist
  ARM: msm: make smd behave like a normal driver
  ARM: msm: rename conflicting symbols
  ARM: msm: pass gpio irq range as resource
  ARM: msm: clean up irq handling
  ARM: msm: make msm_smd.h global
  ARM: msm: make all header files local
  ARM: msm: enable multiplatform support

 arch/arm/Kconfig                                   |   12 -
 arch/arm/configs/msm_defconfig                     |    7 +
 arch/arm/mach-msm/Kconfig                          |   91 +-
 arch/arm/mach-msm/Makefile                         |   11 +-
 arch/arm/mach-msm/board-halibut.c                  |   31 +-
 arch/arm/mach-msm/board-msm7x30.c                  |   98 +-
 arch/arm/mach-msm/board-qsd8x50.c                  |  138 +-
 arch/arm/mach-msm/board-sapphire.c                 |   17 +-
 arch/arm/mach-msm/board-trout-gpio.c               |    7 +-
 arch/arm/mach-msm/board-trout-mmc.c                |   33 +-
 arch/arm/mach-msm/board-trout-panel.c              |    8 +-
 arch/arm/mach-msm/board-trout.c                    |   26 +-
 arch/arm/mach-msm/board-trout.h                    |    2 +-
 arch/arm/mach-msm/{include/mach => }/clk.h         |    0
 arch/arm/mach-msm/clock-pcom.c                     |    5 +-
 arch/arm/mach-msm/clock.c                          |    2 +-
 arch/arm/mach-msm/clock.h                          |    2 +-
 arch/arm/mach-msm/common.h                         |   16 +-
 arch/arm/mach-msm/devices-msm7x00.c                |  169 +-
 arch/arm/mach-msm/devices-msm7x30.c                |   78 +-
 arch/arm/mach-msm/devices-qsd8x50.c                |  152 +-
 arch/arm/mach-msm/devices.h                        |   67 +-
 arch/arm/mach-msm/dma.c                            |  298 ----
 {drivers/gpio => arch/arm/mach-msm}/gpio-msm-v1.c  |   33 +-
 arch/arm/mach-msm/gpiomux-8x50.c                   |    2 +-
 arch/arm/mach-msm/gpiomux-v1.h                     |    9 +-
 arch/arm/mach-msm/gpiomux.c                        |   18 +-
 arch/arm/mach-msm/gpiomux.h                        |   10 +-
 arch/arm/mach-msm/include/mach/dma.h               |  151 --
 arch/arm/mach-msm/include/mach/entry-macro.S       |   36 -
 arch/arm/mach-msm/include/mach/hardware.h          |   18 -
 arch/arm/mach-msm/include/mach/irqs.h              |   37 -
 arch/arm/mach-msm/include/mach/sirc.h              |   98 -
 arch/arm/mach-msm/io.c                             |  161 --
 arch/arm/mach-msm/irq-vic.c                        |  146 +-
 arch/arm/mach-msm/irq.c                            |   29 +-
 arch/arm/mach-msm/{include/mach => }/irqs-7x00.h   |    3 +
 arch/arm/mach-msm/{include/mach => }/irqs-7x30.h   |    2 +
 arch/arm/mach-msm/{include/mach => }/irqs-8x50.h   |   42 +
 arch/arm/mach-msm/last_radio_log.c                 |    1 -
 arch/arm/mach-msm/{include/mach => }/msm_gpiomux.h |    0
 .../mach-msm/{include/mach => }/msm_iomap-7x00.h   |    5 +-
 .../mach-msm/{include/mach => }/msm_iomap-7x30.h   |    2 -
 .../mach-msm/{include/mach => }/msm_iomap-8x50.h   |   12 +-
 arch/arm/mach-msm/{include/mach => }/msm_iomap.h   |   24 +-
 arch/arm/mach-msm/proc_comm.c                      |   12 +-
 arch/arm/mach-msm/proc_comm.h                      |    2 +
 arch/arm/mach-msm/sirc.c                           |   44 +-
 arch/arm/mach-msm/sirc.h                           |   34 +
 arch/arm/mach-msm/smd.c                            |  135 +-
 arch/arm/mach-msm/smd_debug.c                      |  143 +-
 arch/arm/mach-msm/smd_private.h                    |   67 +-
 arch/arm/mach-msm/vreg.c                           |    2 +-
 arch/arm/mach-msm/{include/mach => }/vreg.h        |    0
 drivers/char/msm_smd_pkt.c                         |    2 +-
 drivers/clocksource/qcom-timer.c                   |    3 +-
 drivers/gpio/Kconfig                               |    8 -
 drivers/gpio/Makefile                              |    1 -
 drivers/mmc/host/msm_sdcc.c                        |  384 +++-

The goal from my side is to entirely remove this mmc driver and
instead convert to use the mmci host driver.

If I understand correctly, the current big blocker to reach that goal
is the DMA driver, since it's not converted to the DMA engine API? Do
you know if that's a correct statement?

Anyway, I suppose this patchset can be considered as step in the right
direction, even if I don't like to take patches for the msm_sdcc.c.

Kind regards
Uffe

 drivers/tty/serial/Kconfig                         |   12 -
 drivers/tty/serial/msm_serial_hs.c                 | 1874 --------------------
 drivers/tty/serial/msm_smd_tty.c                   |    2 +-
 .../include/mach => include/linux}/msm_smd.h       |    0
 include/linux/platform_data/mmc-msm_sdcc.h         |    3 +
 include/linux/platform_data/msm_serial_hs.h        |   49 -
 65 files changed, 1419 insertions(+), 3467 deletions(-)
 rename arch/arm/mach-msm/{include/mach => }/clk.h (100%)
 delete mode 100644 arch/arm/mach-msm/dma.c
 rename {drivers/gpio => arch/arm/mach-msm}/gpio-msm-v1.c (97%)
 delete mode 100644 arch/arm/mach-msm/include/mach/dma.h
 delete mode 100644 arch/arm/mach-msm/include/mach/entry-macro.S
 delete mode 100644 arch/arm/mach-msm/include/mach/hardware.h
 delete mode 100644 arch/arm/mach-msm/include/mach/irqs.h
 delete mode 100644 arch/arm/mach-msm/include/mach/sirc.h
 delete mode 100644 arch/arm/mach-msm/io.c
 rename arch/arm/mach-msm/{include/mach => }/irqs-7x00.h (94%)
 rename arch/arm/mach-msm/{include/mach => }/irqs-7x30.h (98%)
 rename arch/arm/mach-msm/{include/mach => }/irqs-8x50.h (59%)
 rename arch/arm/mach-msm/{include/mach => }/msm_gpiomux.h (100%)
 rename arch/arm/mach-msm/{include/mach => }/msm_iomap-7x00.h (95%)
 rename arch/arm/mach-msm/{include/mach => }/msm_iomap-7x30.h (97%)
 rename arch/arm/mach-msm/{include/mach => }/msm_iomap-8x50.h (93%)
 rename arch/arm/mach-msm/{include/mach => }/msm_iomap.h (74%)
 create mode 100644 arch/arm/mach-msm/sirc.h
 rename arch/arm/mach-msm/{include/mach => }/vreg.h (100%)
 delete mode 100644 drivers/tty/serial/msm_serial_hs.c
 rename {arch/arm/mach-msm/include/mach => include/linux}/msm_smd.h (100%)
 delete mode 100644 include/linux/platform_data/msm_serial_hs.h

--
2.1.0.rc2