Re: [GIT PULL] Immutable branch between MFD, ARM, IIO and PWM due for the v4.10 merge window

[Lee Jones]

Jonathan, Thierry,

On Tue, 24 Jan 2017, Olof Johansson wrote:
> On Tue, Jan 24, 2017 at 12:12 AM, Lee Jones <lee.jones@xxxxxxxxxx> wrote:
> > On Mon, 23 Jan 2017, Olof Johansson wrote:
> >> On Mon, Jan 23, 2017 at 4:12 AM, Lee Jones <lee.jones@xxxxxxxxxx> wrote:
> >> > Arm, IIO and PWM Maintainers,
> >> >
> >> > Enjoy!
> >> >
> >> > The following changes since commit 7ce7d89f48834cefece7804d38fc5d85382edf77:
> >> >
> >> >   Linux 4.10-rc1 (2016-12-25 16:13:08 -0800)
> >> >
> >> > are available in the git repository at:
> >> >
> >> >   git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git ib-mfd-arm-iio-pwm-v4.10
> >> >
> >> > for you to fetch changes up to 94df449273475980a39f1bf47f1e3d2b07ce6577:
> >> >
> >> >   ARM: dts: stm32: Enable pwm1 and pwm3 for stm32f469-disco (2017-01-23 12:06:28 +0000)
> >> >
> >> > ----------------------------------------------------------------
> >> > Immutable branch between MFD, ARM, IIO and PWM due for the v4.10 merge window
> >> >
> >> > ----------------------------------------------------------------
> >> > Benjamin Gaignard (8):
> >> >       dt-bindings: mfd: Add bindings for STM32 Timers driver
> >> >       mfd: Add STM32 Timers driver
> >> >       dt-bindings: pwm: Add STM32 bindings
> >> >       pwm: Add driver for STM32 plaftorm
> >> >       iio: Add bindings for STM32 timer trigger driver
> >> >       iio: Add STM32 timer trigger driver
> >> >       ARM: dts: stm32: add Timers driver for stm32f429 MCU
> >> >       ARM: dts: stm32: Enable pwm1 and pwm3 for stm32f469-disco
> >> >
> >> >  .../ABI/testing/sysfs-bus-iio-timer-stm32          |  29 ++
> >> >  .../bindings/iio/timer/stm32-timer-trigger.txt     |  23 ++
> >> >  .../devicetree/bindings/mfd/stm32-timers.txt       |  46 +++
> >> >  .../devicetree/bindings/pwm/pwm-stm32.txt          |  35 ++
> >> >  arch/arm/boot/dts/stm32f429.dtsi                   | 275 ++++++++++++++
> >> >  arch/arm/boot/dts/stm32f469-disco.dts              |  28 ++
> >> >  drivers/iio/trigger/Kconfig                        |   9 +
> >> >  drivers/iio/trigger/Makefile                       |   1 +
> >> >  drivers/iio/trigger/stm32-timer-trigger.c          | 342 ++++++++++++++++++
> >> >  drivers/mfd/Kconfig                                |  11 +
> >> >  drivers/mfd/Makefile                               |   2 +
> >> >  drivers/mfd/stm32-timers.c                         |  80 +++++
> >> >  drivers/pwm/Kconfig                                |   9 +
> >> >  drivers/pwm/Makefile                               |   1 +
> >> >  drivers/pwm/pwm-stm32.c                            | 398 +++++++++++++++++++++
> >> >  include/linux/iio/timer/stm32-timer-trigger.h      |  62 ++++
> >> >  include/linux/mfd/stm32-timers.h                   |  71 ++++
> >> >  17 files changed, 1422 insertions(+)
> >> >  create mode 100644 Documentation/ABI/testing/sysfs-bus-iio-timer-stm32
> >> >  create mode 100644 Documentation/devicetree/bindings/iio/timer/stm32-timer-trigger.txt
> >> >  create mode 100644 Documentation/devicetree/bindings/mfd/stm32-timers.txt
> >> >  create mode 100644 Documentation/devicetree/bindings/pwm/pwm-stm32.txt
> >> >  create mode 100644 drivers/iio/trigger/stm32-timer-trigger.c
> >> >  create mode 100644 drivers/mfd/stm32-timers.c
> >> >  create mode 100644 drivers/pwm/pwm-stm32.c
> >> >  create mode 100644 include/linux/iio/timer/stm32-timer-trigger.h
> >> >  create mode 100644 include/linux/mfd/stm32-timers.h
> >>
> >> May I ask why you're creating an immutable branch of all this contents?
> >>
> >> We should get the dts/dtsi contents like usual from any maintainer;
> >> just the DT updates in a branch.
> >>
> >> Sometimes (but less and less due to us discouraging the use) we need
> >> an immutable branch that includes dt-include updates. But I don't see
> >> any of those in this contents.
> >>
> >> I.e. I guess I can see the need between mfd and downstream trees
> >> (iio/pwm), but not the DTS contents at this time. Or am I missing
> >> something here?
> >
> > I agree with you.  However, since one of the STM32 Maintainers Acked
> > the DTS patches, and the other one hasn't been heard from for months,
> > I took that to mean he wanted me to apply and take them through the
> > MFD tree.
> >
> > A misunderstanding or misaction perhaps, but this is the normal
> > assumption.
> 
> It seems to be a misunderstanding in this case, since there are other
> additions in the stm32 tree this release cycle so we should only pick
> up DTS changes through our tree.
> 
> By now, I think it should be pretty well known that we nearly never
> want DTS contents merged through any other tree. Ever.
> 
> So, please revoke your branch and take those out. We'll take them
> through the normal flow. Thanks!

That okay with you?

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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