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Message-Id: <cover.1628511445.git.vilhelm.gray@gmail.com>
Date: Mon, 9 Aug 2021 21:37:25 +0900
From: William Breathitt Gray <vilhelm.gray@...il.com>
To: jic23@...nel.org
Cc: linux-stm32@...md-mailman.stormreply.com, kernel@...gutronix.de,
a.fatoum@...gutronix.de, kamel.bouhara@...tlin.com,
gwendal@...omium.org, alexandre.belloni@...tlin.com,
david@...hnology.com, linux-iio@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
syednwaris@...il.com, patrick.havelange@...ensium.com,
fabrice.gasnier@...com, mcoquelin.stm32@...il.com,
alexandre.torgue@...com, o.rempel@...gutronix.de,
jarkko.nikula@...ux.intel.com,
William Breathitt Gray <vilhelm.gray@...il.com>
Subject: [PATCH v15 00/13] Introduce the Counter character device interface
Changes in v15:
- Move the description for the member 'lock' in the 'quad8' structure
as a separate patch
- Reorganize the "counter: Internalize sysfs interface code" patch to
not call chrdev code; respective code moved to the "counter: Add
character device interface" patch with the other chrdev code
- Custom enums removed from the ftm-quaddec.c, stm32-lptimer-cnt.c, and
stm32-timer-cnt.c files; respective drivers refactored to use the
COUNTER_FUNCTION_* and COUNTER_SYNAPSE_* enum constants instead
For convenience, this patchset is also available on my personal git
repo: https://gitlab.com/vilhelmgray/iio/-/tree/counter_chrdev_v15
The patches preceding "counter: Internalize sysfs interface code" are
primarily cleanup and fixes that can be picked up and applied now to the
IIO tree if so desired. The "counter: Internalize sysfs interface code"
patch as well may be considered for pickup because it is relatively safe
and makes no changes to the userspace interface.
To summarize the main points of this patchset: there are no changes to
the existing Counter sysfs userspace interface; a Counter character
device interface is introduced that allows Counter events and associated
data to be read() by userspace; the events_configure() and
watch_validate() driver callbacks are introduced to support Counter
events; and IRQ support is added to the 104-QUAD-8 driver, serving as an
example of how to support the new Counter events functionality.
William Breathitt Gray (13):
counter: 104-quad-8: Describe member 'lock' in 'quad8'
counter: Internalize sysfs interface code
counter: Update counter.h comments to reflect sysfs internalization
docs: counter: Update to reflect sysfs internalization
counter: Move counter enums to uapi header
counter: Add character device interface
docs: counter: Document character device interface
tools/counter: Create Counter tools
counter: Implement signalZ_action_component_id sysfs attribute
counter: Implement *_component_id sysfs attributes
counter: Implement events_queue_size sysfs attribute
counter: 104-quad-8: Replace mutex with spinlock
counter: 104-quad-8: Add IRQ support for the ACCES 104-QUAD-8
Documentation/ABI/testing/sysfs-bus-counter | 38 +-
Documentation/driver-api/generic-counter.rst | 358 +++-
.../userspace-api/ioctl/ioctl-number.rst | 1 +
MAINTAINERS | 3 +-
drivers/counter/104-quad-8.c | 700 ++++----
drivers/counter/Kconfig | 6 +-
drivers/counter/Makefile | 1 +
drivers/counter/counter-chrdev.c | 553 ++++++
drivers/counter/counter-chrdev.h | 14 +
drivers/counter/counter-core.c | 191 +++
drivers/counter/counter-sysfs.c | 962 +++++++++++
drivers/counter/counter-sysfs.h | 13 +
drivers/counter/counter.c | 1496 -----------------
drivers/counter/ftm-quaddec.c | 60 +-
drivers/counter/intel-qep.c | 144 +-
drivers/counter/interrupt-cnt.c | 62 +-
drivers/counter/microchip-tcb-capture.c | 91 +-
drivers/counter/stm32-lptimer-cnt.c | 226 +--
drivers/counter/stm32-timer-cnt.c | 179 +-
drivers/counter/ti-eqep.c | 180 +-
include/linux/counter.h | 715 ++++----
include/linux/counter_enum.h | 45 -
include/uapi/linux/counter.h | 154 ++
tools/Makefile | 13 +-
tools/counter/Build | 1 +
tools/counter/Makefile | 53 +
tools/counter/counter_example.c | 93 +
27 files changed, 3568 insertions(+), 2784 deletions(-)
create mode 100644 drivers/counter/counter-chrdev.c
create mode 100644 drivers/counter/counter-chrdev.h
create mode 100644 drivers/counter/counter-core.c
create mode 100644 drivers/counter/counter-sysfs.c
create mode 100644 drivers/counter/counter-sysfs.h
delete mode 100644 drivers/counter/counter.c
delete mode 100644 include/linux/counter_enum.h
create mode 100644 include/uapi/linux/counter.h
create mode 100644 tools/counter/Build
create mode 100644 tools/counter/Makefile
create mode 100644 tools/counter/counter_example.c
base-commit: c886885336b0b5f1a08ce580f7201a2ca30ab041
prerequisite-patch-id: 8ca55ffcdd5d060dd5fa2b4dd50bf01dc1026da6
prerequisite-patch-id: 46ef2668ca6bdc0d08dd488fe1d2b886189a5652
prerequisite-patch-id: 2df1946c917d6408148306db30a071e67b00ad73
prerequisite-patch-id: f81579f50552e6041a95403cc743c5f36962b111
prerequisite-patch-id: 8a6860e75cdec162812c56dc39c5d7fc6fc5154e
--
2.32.0
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