linux-kernel - Re: [PATCH linux-next v9 0/3] mfd: flexcom: add a driver for Flexcom

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Date:	Thu, 24 Sep 2015 18:37:16 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Nicolas Ferre <nicolas.ferre@...el.com>
Cc:	Cyrille Pitchen <cyrille.pitchen@...el.com>, robh+dt@...nel.org,
	Samuel Ortiz <sameo@...ux.intel.com>,
	boris.brezillon@...e-electrons.com,
	alexandre.belloni@...e-electrons.com,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	devicetree@...r.kernel.org
Subject: Re: [PATCH linux-next v9 0/3] mfd: flexcom: add a driver for Flexcom

On Wed, 23 Sep 2015, Nicolas Ferre wrote:
> Le 20/09/2015 06:19, Lee Jones a écrit :
> > Patch set description?
> 
> Cyrille actually placed it as the v1 changelog below...

I see it now, but that's not a very intuitive way of representing the
set description.  Please use the normal format with the description at
the top.  Normally all I care about is the description and the latest
changes (although please keep in the previous changelogs, as they can
also prove useful).

> > Once Rob is satisfied, please re-submit this set with Nicolas' Acks
> 
> I think that Rob was okay with the DT binding: "A few comments, but in
> general looks fine." and it may not be important to tack Rob for
> addition of his formal tag...
> 
> Or maybe this message can act as a "ping" for Rob...

I'm not asking for that, although it's never UNwanted.  I'm asking for
the discussion between the submitter and other interested parties to
play out, then adapt and re-submit accordingly.  I receive far too
many submissions to keep track of all of the discussions.

> > and I will re-review.
> 
> We wait one or two days before Cyrille re-send the series. We are
> looking forward to using this driver in Linux-next soon.
> 
> >> ChangeLog
> >>
> >> v9:
> >> - go back to v5 (use the new "atmel,flexcom-mode" DT property).
> >> - fix the name of the spi node in the DT example: from spi@...34400 to
> >>   spi@400
> >> - align the fields of the struct platform_driver atmel_flexcom_driver as
> >>   suggested by Lee Jones.
> >>
> >> v8:
> >> - fix the name of the spi node in the DT example: from spi@...34400 to
> >>   spi@2,0
> >> - use the return code of op_property_read_u32_index() instead of -EINVAL
> >>   to report error.
> >> - add Acked-by from Nicolas Ferre
> >>
> >> v7:
> >> - read the operating mode from the very first u32 of the reg property from
> >>   the first available child node (should be unique).
> >> - update the DT bindings documentation accordingly.
> >>
> >> v6:
> >> - select the operating mode according to the "compatible" DT property of
> >>   the first available child node (should be unique).
> >> - remove the "atmel,flexcom-mode" DT property so the need of a header file
> >>   defining macros for the possible values of this deprecated property.
> >>
> >> v5:
> >> - create a header file containing macros used by DT bindings
> >> - use numeric constants instead of strings to select the Flexcom mode
> >> - change the license to "GPL v2"
> >> - update the DT binding documentation to make it more readable and add
> >>   references to USART, SPI and I2C DT binding documentations. remove the
> >>   useless label in the Example section.
> >> - change the register prefix from FX_ to FLEX_ to match the Flexcom
> >>   programmer datasheet.
> >> - rename some variables to make them more understandable.
> >>
> >> v4:
> >> - check clk_prepare_enable() return code in atmel_flexcom_probe()
> >> - add a commit message to the DT binding patch
> >>
> >> v3:
> >> - remove MODULE_ALIAS()
> >> - add Acked-by from Boris Brezillon and Alexandre Belloni
> >>
> >> v2:
> >> - enhance the documentation of DT bindings and change the way the "ranges"
> >>   property is used.
> >> - replace __raw_readl() and __raw_writel() by readl() and writel().
> >> - change the module license to "GPL" for v2 or later
> >> - print the selected flexcom mode after the hardware version
> >>
> >> v1:
> >> This series of patches a support to the Atmel Flexcom, a wrapper which
> >> integrates an USART, a SPI controller and a TWI controller. Only one
> >> peripheral can be used at a time. The active function is selected though
> >> the Flexcom Mode Register.
> >>
> >> Cyrille Pitchen (3):
> >>   mfd: atmel-flexcom: create include file with macros used by DT
> >>     bindings
> >>   mfd: devicetree: add bindings for Atmel Flexcom
> >>   mfd: atmel-flexcom: add a driver for Atmel Flexible Serial
> >>     Communication Unit
> >>
> >>  .../devicetree/bindings/mfd/atmel-flexcom.txt      |  67 +++++++++++++
> >>  drivers/mfd/Kconfig                                |  11 +++
> >>  drivers/mfd/Makefile                               |   1 +
> >>  drivers/mfd/atmel-flexcom.c                        | 104 +++++++++++++++++++++
> >>  include/dt-bindings/mfd/atmel-flexcom.h            |  16 ++++
> >>  5 files changed, 199 insertions(+)
> >>  create mode 100644 Documentation/devicetree/bindings/mfd/atmel-flexcom.txt
> >>  create mode 100644 drivers/mfd/atmel-flexcom.c
> >>  create mode 100644 include/dt-bindings/mfd/atmel-flexcom.h
> >>
> > 
> 
> 

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