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Message-ID: <20180721182202.GA17344@sophia>
Date: Sat, 21 Jul 2018 14:23:09 -0400
From: William Breathitt Gray <vilhelm.gray@...il.com>
To: Jonathan Cameron <jic23@...nel.org>
Cc: gregkh@...uxfoundation.org, linux-arm-kernel@...ts.infradead.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-iio@...r.kernel.org, fabrice.gasnier@...com,
benjamin.gaignard@...com, knaack.h@....de, lars@...afoo.de,
pmeerw@...erw.net, akpm@...ux-foundation.org
Subject: Re: [PATCH v8 00/11] Introduce the Counter subsystem
On Sat, Jul 21, 2018 at 07:01:34PM +0100, Jonathan Cameron wrote:
>On Sun, 15 Jul 2018 16:44:24 -0400
>William Breathitt Gray <vilhelm.gray@...il.com> wrote:
>
>> Changes in v8:
>> - Add counter_enum.h file
>> - Simplify COUNTER Kconfig option help text
>> - Rename generic-counter.c to the more straightforward counter.c
>> - Update copyright and license boilerplate (use recommended SPDX line)
>> - Replace EXPORT_SYMBOL lines with respective EXPORT_SYMBOL_GPL lines
>> - Replace scnprintf lines with sprintf since we're dealing with sysfs files
>> - Add struct counter_attr_parm to simplify counter_attribute_create parameters
>> - Rename *_comp_t suffixes to *_unit in order to avoid *_t suffix implications
>> - List sysfs attribute values verbatim in sysfs documentation files
>> - Reorganize 104-QUAD-8 driver license boilerplate update to dedicated patch
>>
>> This revision is functionally identical to the last; changes in this version
>> were made to improve clarity, formatting and whitespace, and organization. I
>> also took this opportunity to record some of the new ACKs from the last
>> submission.
>>
>> The counter_enum.h file was created to hold the Generic Counter enum helper
>> functions required by the Generic Counter enum macros (i.e. COUNTER_SIGNAL_ENUM,
>> COUNTER_COUNT_ENUM, etc.). These helper functions are not intended to be used
>> directly by driver authors, so I thought it best to keep them separated. Now the
>> counter.h file contains only macro, functions, and data structures that are
>> expected to possibly appear in a counter device driver.
>>
>> The counter_attribute_create function parameter list was large so I reorganized
>> the parameters into the counter_attr_parm structure, which may be set and passed
>> by reference to the counter_attribute_create function. Since the show and store
>> function pointers match with the struct device_attribute show and store function
>> pointers, I decided to keep them declared as there are here without a typedef --
>> however, I can typedef them in a future revision if it will improve clarity to
>> do so.
>>
>> Heads-up for Jonathan Cameron: you may pick-up the "iio: 104-quad-8: Update
>> license boilerplate" patch independent of this series; it's the SPDX license
>> boilerplate update for the 104-QUAD-8 IIO driver.
>>
>> Sincerely,
>>
>> William Breathitt Gray
>>
>This crossed with Andrew Morton's good points on this occupying
>namespace that is rather too generically named. Hence I'll assume
>we'll see a v9 with a solution to that (and personally ignore v8
>to save time ;)
>
>Ah I see you just replied to Andrew. Great!
>
>
>Jonathan
That's right: please ignore this v8 release; Andrew Morton's suggestions
on the v7 thread are quick enough that I should have a v9 tested and
submitted by tomorrow, so keep an eye out for that one instead.
Thanks,
William Breathitt Gray
>
>> Benjamin Gaignard (2):
>> counter: Add STM32 Timer quadrature encoder
>> dt-bindings: counter: Document stm32 quadrature encoder
>>
>> Fabrice Gasnier (2):
>> counter: stm32-lptimer: add counter device
>> dt-bindings: counter: Adjust dt-bindings for STM32 lptimer move
>>
>> William Breathitt Gray (7):
>> counter: Introduce the Generic Counter interface
>> counter: Documentation: Add Generic Counter sysfs documentation
>> docs: Add Generic Counter interface documentation
>> iio: 104-quad-8: Update license boilerplate
>> counter: 104-quad-8: Add Generic Counter interface support
>> counter: 104-quad-8: Documentation: Add Generic Counter sysfs
>> documentation
>> iio: counter: Add deprecation markings for IIO Counter attributes
>>
>> Documentation/ABI/testing/sysfs-bus-counter | 230 +++
>> .../ABI/testing/sysfs-bus-counter-104-quad-8 | 36 +
>> Documentation/ABI/testing/sysfs-bus-iio | 8 +
>> .../testing/sysfs-bus-iio-counter-104-quad-8 | 16 +
>> .../{iio => }/counter/stm32-lptimer-cnt.txt | 0
>> .../bindings/counter/stm32-timer-cnt.txt | 31 +
>> .../devicetree/bindings/mfd/stm32-lptimer.txt | 2 +-
>> .../devicetree/bindings/mfd/stm32-timers.txt | 7 +
>> Documentation/driver-api/generic-counter.rst | 342 ++++
>> Documentation/driver-api/index.rst | 1 +
>> MAINTAINERS | 15 +-
>> drivers/Kconfig | 2 +
>> drivers/Makefile | 1 +
>> drivers/{iio => }/counter/104-quad-8.c | 782 ++++++++-
>> drivers/counter/Kconfig | 51 +
>> drivers/{iio => }/counter/Makefile | 5 +-
>> drivers/counter/counter.c | 1561 +++++++++++++++++
>> drivers/{iio => }/counter/stm32-lptimer-cnt.c | 361 +++-
>> drivers/counter/stm32-timer-cnt.c | 390 ++++
>> drivers/iio/Kconfig | 1 -
>> drivers/iio/Makefile | 1 -
>> drivers/iio/counter/Kconfig | 34 -
>> include/linux/counter.h | 505 ++++++
>> include/linux/counter_enum.h | 45 +
>> 24 files changed, 4341 insertions(+), 86 deletions(-)
>> create mode 100644 Documentation/ABI/testing/sysfs-bus-counter
>> create mode 100644 Documentation/ABI/testing/sysfs-bus-counter-104-quad-8
>> rename Documentation/devicetree/bindings/{iio => }/counter/stm32-lptimer-cnt.txt (100%)
>> create mode 100644 Documentation/devicetree/bindings/counter/stm32-timer-cnt.txt
>> create mode 100644 Documentation/driver-api/generic-counter.rst
>> rename drivers/{iio => }/counter/104-quad-8.c (44%)
>> create mode 100644 drivers/counter/Kconfig
>> rename drivers/{iio => }/counter/Makefile (46%)
>> create mode 100644 drivers/counter/counter.c
>> rename drivers/{iio => }/counter/stm32-lptimer-cnt.c (48%)
>> create mode 100644 drivers/counter/stm32-timer-cnt.c
>> delete mode 100644 drivers/iio/counter/Kconfig
>> create mode 100644 include/linux/counter.h
>> create mode 100644 include/linux/counter_enum.h
>>
>
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