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Message-ID: <20180516101308.GH5130@dell>
Date:   Wed, 16 May 2018 11:13:08 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Fabrice Gasnier <fabrice.gasnier@...com>
Cc:     alexandre.torgue@...com, thierry.reding@...il.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 v5 0/6] Add support for PWM input capture on STM32

On Wed, 16 May 2018, Fabrice Gasnier wrote:

> On 05/16/2018 10:06 AM, Lee Jones wrote:
> > On Wed, 16 May 2018, Fabrice Gasnier wrote:
> > 
> >> This series adds support for capture to stm32-pwm driver.
> >> Capture is based on DMAs.
> >> - First 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.
> >>
> >> ---
> >> Changes in v5:
> >> - update patch 2 (mfd: stm32-timers: add support for dmas)
> >>   move stm32_timers_dma struct to header file,
> >>   fix warning on dma_mapping_error().
> >>
> >> Changes in v4:
> >> - Lee's comments on patch 2 (mfd: stm32-timers: add support for dmas)
> >>   Add kerneldoc header, better format comments.
> >>
> >> Changes in v3:
> >> - Dropped 2 precusor patches applied by Thierry in pwm tree:
> >>   "pwm: stm32: fix, remove unused struct device"
> >>   "pwm: stm32: protect common prescaler for all channels"
> >> - Note: this series applies on top on pwm tree
> >> - Implements Lee's comments on MFD part: rework stm32_timers_dma struct,
> >>   exported routine prototype now use generic device struct, more
> >>   various comments (see patch 2 changelog).
> >>
> >> 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 (6):
> >>   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
> > 
> > Applied patches 1-5.
> 
> Many thanks Lee !
> 
> Maybe I missed something, but just in case...
> In your pull request ("[GIT PULL] Immutable branch between MFD and PWM
> due for the v4.18 merge window") I only see 4 patches:
> Fabrice Gasnier (4):
>       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
> 
> I can't see patch 1 ("dt-bindings: mfd: stm32-timers: add support for dmas")
> Is it applied on another tree ?

Good spot.

Looks like a fumbled the key combination for the bindings patch.

Pull-request to follow.

> >>  .../devicetree/bindings/mfd/stm32-timers.txt       |  20 ++
> >>  arch/arm/boot/dts/stm32429i-eval.dts               |   3 +
> >>  drivers/mfd/stm32-timers.c                         | 201 +++++++++++++++-
> >>  drivers/pwm/pwm-stm32.c                            | 257 +++++++++++++++++++++
> >>  include/linux/mfd/stm32-timers.h                   |  58 +++++
> >>  5 files changed, 537 insertions(+), 2 deletions(-)
> >>
> > 

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