linux-kernel - Re: [RESEND PATCH v2 0/8] Add support for PWM input capture on STM32

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Message-ID: <20180328100309.yig4d3bmml6jvodz@dell>
Date:   Wed, 28 Mar 2018 11:03:09 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Thierry Reding <thierry.reding@...il.com>
Cc:     Fabrice Gasnier <fabrice.gasnier@...com>, alexandre.torgue@...com,
        benjamin.gaignard@...aro.org, robh+dt@...nel.org,
        mark.rutland@....com, linux@...linux.org.uk,
        mcoquelin.stm32@...il.com, benjamin.gaignard@...com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-pwm@...r.kernel.org
Subject: Re: [RESEND PATCH v2 0/8] Add support for PWM input capture on STM32

On Wed, 28 Mar 2018, Thierry Reding wrote:

> On Wed, Feb 14, 2018 at 11:04:31AM +0100, Fabrice Gasnier wrote:
> > This series adds support for capture to stm32-pwm driver.
> > Capture is based on DMAs.
> > - First two patches are precursor patches
> > - Subsequent two patches add support for requesting DMAs to MFD core
> > - Next three patches add support for capture to stm32-pwm driver
> > - This has been tested on stm32429i-eval board.
> > 
> > ---
> > Resend v2:
> > - Add collected Acks
> > 
> > Changes in v2:
> > - Abstract DMA handling from child driver: move it to MFD core
> > - Rework pwm capture routines to adopt this change
> > - Comment on optional dma support, beautify DMAs probe
> > 
> > Fabrice Gasnier (8):
> >   pwm: stm32: fix, remove unused struct device
> >   pwm: stm32: protect common prescaler for all channels
> >   dt-bindings: mfd: stm32-timers: add support for dmas
> >   mfd: stm32-timers: add support for dmas
> >   pwm: stm32: add capture support
> >   pwm: stm32: improve capture by tuning counter prescaler
> >   pwm: stm32: use input prescaler to improve period capture
> >   ARM: dts: stm32: Enable pwm3 input capture on stm32f429i-eval
> > 
> >  .../devicetree/bindings/mfd/stm32-timers.txt       |  20 ++
> >  arch/arm/boot/dts/stm32429i-eval.dts               |   3 +
> >  drivers/mfd/stm32-timers.c                         | 215 +++++++++++++++-
> >  drivers/pwm/pwm-stm32.c                            | 276 ++++++++++++++++++++-
> >  include/linux/mfd/stm32-timers.h                   |  39 +++
> >  5 files changed, 547 insertions(+), 6 deletions(-)
> 
> I can't apply patches 1-2 and 5-6 since they depend on patches 3-4 for
> which I'd need an Acked-by: from Lee if I'm to pick them up. Same goes
> for patch 7.
> 
> By the looks of it there are minor conflicts with the MFD tree, but no
> major ones. Perhaps it'd be better for Lee to pick up 3-4 for v4.17-rc1
> and ack patch 7, then I can take the rest after v4.17-rc1?

Sounds like a faff.

Why don't I just pick them all up (except the ARM patch)?

-- 
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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