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Message-ID: <CAPDyKFpuQ50qgUxh7fXrt-2AoqgnQQ5q0heCgzKchKvDQazNag@mail.gmail.com>
Date: Thu, 5 Mar 2015 17:40:18 +0100
From: Ulf Hansson <ulf.hansson@...aro.org>
To: Arnd Bergmann <arnd@...db.de>
Cc: "linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
David Brown <davidb@...eaurora.org>,
Daniel Walker <dwalker@...o99.com>,
Bryan Huntsman <bryanh@...eaurora.org>,
Stephen Boyd <sboyd@...eaurora.org>,
Tim Bird <tim.bird@...ymobile.com>,
Bjorn Andersson <bjorn.andersson@...ymobile.com>,
Linus Walleij <linus.walleij@...aro.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: Re: [RFC PATCH 00/18] ARM: msm multiplatform support
On 4 March 2015 at 20:32, Arnd Bergmann <arnd@...db.de> 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
>
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