From: Gregor Boirie <gregor.boirie@parrot.com>
To: <linux-iio@vger.kernel.org>
Cc: "Jonathan Cameron" <jic23@kernel.org>,
"Hartmut Knaack" <knaack.h@gmx.de>,
"Lars-Peter Clausen" <lars@metafoo.de>,
"Peter Meerwald" <pmeerw@pmeerw.net>,
"Daniel Baluta" <daniel.baluta@intel.com>,
"Haneen Mohammed" <hamohammed.sa@gmail.com>,
"Matt Ranostay" <mranostay@gmail.com>,
"Irina Tirdea" <irina.tirdea@intel.com>,
"Darshana Padmadas" <darshanapadmadas@gmail.com>,
"Martin Fuzzey" <mfuzzey@parkeon.com>,
"Octavian Purdila" <octavian.purdila@intel.com>,
"Vladimir Barinov" <vladimir.barinov@cogentembedded.com>,
"Crt Mori" <cmo@melexis.com>,
"Masanari Iida" <standby24x7@gmail.com>,
"Harald Geyer" <harald@ccbib.org>,
"Michael Hennerich" <Michael.Hennerich@analog.com>,
"Michal Simek" <michal.simek@xilinx.com>,
"Sören Brinkmann" <soren.brinkmann@xilinx.com>,
"Kevin Tsai" <ktsai@capellamicro.com>,
"Cristina Opriceana" <cristina.opriceana@gmail.com>,
"Krzysztof Kozlowski" <k.kozlowski@samsung.com>,
"Markus Pargmann" <mpa@pengutronix.de>,
"Srinivas Pandruvada" <srinivas.pandruvada@linux.intel.com>,
"Bastien Nocera" <hadess@hadess.net>,
"Antonio Ospite" <ao2@ao2.it>,
"Vlad Dogaru" <vlad.dogaru@intel.com>,
"Ana Calinov" <ana.calinov@gmail.com>,
"Adriana Reus" <adriana.reus@intel.com>,
"Joachim Eastwood" <manabian@gmail.com>,
"Martin Kepplinger" <martink@posteo.de>,
"Christoph Muellner" <christoph.muellner@theobroma-systems.com>,
"Roberta Dobrescu" <roberta.dobrescu@gmail.com>,
"Mika Westerberg" <mika.westerberg@linux.intel.com>,
"Naidu Tellapati" <naidu.tellapati@imgtec.com>,
"Ezequiel Garcia" <ezequiel.garcia@imgtec.com>,
"Marc Titinger" <mtitinger@baylibre.com>,
"Fugang Duan" <b38611@freescale.com>,
"Stefan Agner" <stefan@agner.ch>,
"Sanchayan Maity" <maitysanchayan@gmail.com>,
"kbuild test robot" <fengguang.wu@intel.com>,
"Bhuvanchandra DV" <bhuvanchandra.dv@toradex.com>,
"Lars Svensson" <lars1.svensson@sonymobile.com>,
"Vladimirs Ambrosovs" <rodriguez.twister@gmail.com>,
Alan <gnomes@lxorguk.ukuu.org.uk>,
"Lucas De Marchi" <lucas.demarchi@intel.com>,
"Viorel Suman" <viorel.suman@gmail.com>,
"Gabriele Mazzotta" <gabriele.mzt@gmail.com>,
"Martin Liska" <marxin.liska@gmail.com>,
"Javier Martinez Canillas" <javier@osg.samsung.com>,
"Bjorn Andersson" <bjorn.andersson@sonymobile.com>,
"Kuppuswamy Sathyanarayanan"
<sathyanarayanan.kuppuswamy@linux.intel.com>,
"Markus Elfring" <elfring@users.sourceforge.net>,
"Alexander Koch" <mail@alexanderkoch.net>,
"Michael Hornung" <mhornung.linux@gmail.com>,
"Felipe Balbi" <balbi@ti.com>,
"Andreas Dannenberg" <dannenberg@ti.com>,
"Tiberiu Breana" <tiberiu.a.breana@intel.com>,
"Dan Carpenter" <dan.carpenter@oracle.com>,
"Cristina Moraru" <cristina.moraru09@gmail.com>,
"Marek Belisko" <marek@goldelico.com>,
"Yong Li" <sdliyong@gmail.com>,
"Tomasz Duszynski" <tduszyns@gmail.com>,
"Geert Uytterhoeven" <geert@linux-m68k.org>,
"Ioana Ciornei" <ciorneiioana@gmail.com>,
"Janani Ravichandran" <janani.rvchndrn@gmail.com>,
"Andrew F. Davis" <afd@ti.com>,
"Tina Johnson" <tinajohnson.1234@gmail.com>,
"Nizam Haider" <nizamhaider786@gmail.com>,
"Shivani Bhardwaj" <shivanib134@gmail.com>,
"Gregor Boirie" <gregor.boirie@parrot.com>
Subject: [PATCH v4 0/1] iio:core: introduce timestamping clock selection
Date: Tue, 1 Mar 2016 12:27:31 +0100 [thread overview]
Message-ID: <cover.1456831161.git.gregor.boirie@parrot.com> (raw)
This version is aimed at all authors/reviewers/<put your title here> of IIO
drivers this patch modifies.
I'm sorry to bother you guys but I just want to ensure that no harmfull disaster
will happen. Please, feel free to ring my bell in case of unforseen/unexpected
behavior.
IIO timestamping clock selection support based on the following principles :
* selected timestamping clock is a per-device attribute which the userspace
may access through a sysfs file ;
* a single reference clock is used for both buffered samples and events of a
given device at the same time ;
* userspace may choose amongst the following subset of available POSIX clocks:
CLOCK_REALTIME, CLOCK_MONOTONIC, CLOCK_MONOTONIC_RAW, CLOCK_REALTIME_COARSE,
CLOCK_MONOTONIC_COARSE, CLOCK_BOOTTIME and CLOCK_TAI ;
* sample and event timestamps consistency with respect to clock changes is
ensured by rejecting the ability to select a new clock as long as an events
chrdev is opened or a buffered samples channel is enabled for a given device.
* no in-kernel API support since :
* consumers work synchronously in direct mode, i.e. timestamping may be
peformed using traditional kernel time keeping ;
* any given device can only feed a single timestamping channel to all
consumers.
Changes since v1:
* isolate clock setup from sysfs
* rename timestamping clock sysfs entry to "timestamp_clock"
* make the "timestamp_clock" file content a self-describing string
* merge all 3 patches into a single one
* cosmetics
* rebase onto IIO testing branch
Changes since v2:
* rename timestamping clock sysfs entry to "current_timestamp_clock" to allow a
futur refinement exposing available clocks through a
"timestamp_clock_available" sysfs entry
* rename clock ids (remove "CLOCK_" prefix + lower case)
* checkpatch'ed
* rebase onto IIO testing branch
Changes since v3:
* rebase onto IIO testing branch
* leave dht11 driver untouched as timestamping is used for internal purpose
only
Many thanks,
Gregor.
Gregor Boirie (1):
iio:core: timestamping clock selection support
Documentation/ABI/testing/sysfs-bus-iio | 7 +
Documentation/DocBook/iio.tmpl | 2 +-
drivers/iio/accel/bma180.c | 2 +-
drivers/iio/accel/bmc150-accel-core.c | 4 +-
drivers/iio/accel/kxcjk-1013.c | 2 +-
drivers/iio/accel/mma7455_core.c | 3 +-
drivers/iio/accel/mma8452.c | 4 +-
drivers/iio/accel/mma9551.c | 2 +-
drivers/iio/accel/mma9553.c | 2 +-
drivers/iio/adc/ad7291.c | 2 +-
drivers/iio/adc/ad7298.c | 2 +-
drivers/iio/adc/ad7476.c | 2 +-
drivers/iio/adc/ad7887.c | 2 +-
drivers/iio/adc/ad7923.c | 2 +-
drivers/iio/adc/ad799x.c | 4 +-
drivers/iio/adc/cc10001_adc.c | 2 +-
drivers/iio/adc/hi8435.c | 2 +-
drivers/iio/adc/ina2xx-adc.c | 6 +-
drivers/iio/adc/max1363.c | 5 +-
drivers/iio/adc/ti-ads1015.c | 3 +-
drivers/iio/adc/vf610_adc.c | 3 +-
drivers/iio/adc/xilinx-xadc-events.c | 4 +-
drivers/iio/chemical/atlas-ph-sensor.c | 2 +-
drivers/iio/dac/ad5421.c | 6 +-
drivers/iio/dac/ad5504.c | 2 +-
drivers/iio/dummy/iio_simple_dummy_buffer.c | 3 +-
drivers/iio/dummy/iio_simple_dummy_events.c | 2 +-
drivers/iio/gyro/bmg160_core.c | 30 ++--
drivers/iio/iio_core.h | 3 +
drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c | 2 +-
drivers/iio/industrialio-core.c | 179 +++++++++++++++++++++-
drivers/iio/industrialio-event.c | 19 ++-
drivers/iio/industrialio-trigger.c | 2 +-
drivers/iio/light/acpi-als.c | 2 +-
drivers/iio/light/adjd_s311.c | 2 +-
drivers/iio/light/apds9300.c | 2 +-
drivers/iio/light/apds9960.c | 4 +-
drivers/iio/light/cm36651.c | 2 +-
drivers/iio/light/gp2ap020a00f.c | 8 +-
drivers/iio/light/isl29125.c | 2 +-
drivers/iio/light/lm3533-als.c | 2 +-
drivers/iio/light/ltr501.c | 7 +-
drivers/iio/light/opt3001.c | 4 +-
drivers/iio/light/stk3310.c | 2 +-
drivers/iio/light/tcs3414.c | 2 +-
drivers/iio/light/tcs3472.c | 2 +-
drivers/iio/light/tsl2563.c | 2 +-
drivers/iio/light/us5182d.c | 2 +-
drivers/iio/magnetometer/hmc5843_core.c | 2 +-
drivers/iio/magnetometer/mag3110.c | 2 +-
drivers/iio/pressure/mpl3115.c | 2 +-
drivers/iio/pressure/ms5611_core.c | 3 +-
drivers/iio/proximity/pulsedlight-lidar-lite-v2.c | 2 +-
drivers/iio/proximity/sx9500.c | 4 +-
drivers/staging/iio/accel/lis3l02dq_core.c | 2 +-
drivers/staging/iio/accel/sca3000_core.c | 2 +-
drivers/staging/iio/adc/ad7280a.c | 8 +-
drivers/staging/iio/adc/ad7606_ring.c | 3 +-
drivers/staging/iio/adc/ad7816.c | 3 +-
drivers/staging/iio/addac/adt7316.c | 4 +-
drivers/staging/iio/cdc/ad7150.c | 2 +-
drivers/staging/iio/light/tsl2x7x_core.c | 2 +-
include/linux/iio/iio.h | 22 ++-
63 files changed, 317 insertions(+), 108 deletions(-)
--
2.1.4
next reply other threads:[~2016-03-01 11:27 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-01 11:27 Gregor Boirie [this message]
2016-03-01 11:27 ` [PATCH v4 1/1] iio:core: timestamping clock selection support Gregor Boirie
[not found] ` <56DB27E0.2020606@kernel.org>
2016-03-09 8:43 ` Thomas Gleixner
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=cover.1456831161.git.gregor.boirie@parrot.com \
--to=gregor.boirie@parrot.com \
--cc=Michael.Hennerich@analog.com \
--cc=adriana.reus@intel.com \
--cc=afd@ti.com \
--cc=ana.calinov@gmail.com \
--cc=ao2@ao2.it \
--cc=b38611@freescale.com \
--cc=balbi@ti.com \
--cc=bhuvanchandra.dv@toradex.com \
--cc=bjorn.andersson@sonymobile.com \
--cc=christoph.muellner@theobroma-systems.com \
--cc=ciorneiioana@gmail.com \
--cc=cmo@melexis.com \
--cc=cristina.moraru09@gmail.com \
--cc=cristina.opriceana@gmail.com \
--cc=dan.carpenter@oracle.com \
--cc=daniel.baluta@intel.com \
--cc=dannenberg@ti.com \
--cc=darshanapadmadas@gmail.com \
--cc=elfring@users.sourceforge.net \
--cc=ezequiel.garcia@imgtec.com \
--cc=fengguang.wu@intel.com \
--cc=gabriele.mzt@gmail.com \
--cc=geert@linux-m68k.org \
--cc=gnomes@lxorguk.ukuu.org.uk \
--cc=hadess@hadess.net \
--cc=hamohammed.sa@gmail.com \
--cc=harald@ccbib.org \
--cc=irina.tirdea@intel.com \
--cc=janani.rvchndrn@gmail.com \
--cc=javier@osg.samsung.com \
--cc=jic23@kernel.org \
--cc=k.kozlowski@samsung.com \
--cc=knaack.h@gmx.de \
--cc=ktsai@capellamicro.com \
--cc=lars1.svensson@sonymobile.com \
--cc=lars@metafoo.de \
--cc=linux-iio@vger.kernel.org \
--cc=lucas.demarchi@intel.com \
--cc=mail@alexanderkoch.net \
--cc=maitysanchayan@gmail.com \
--cc=manabian@gmail.com \
--cc=marek@goldelico.com \
--cc=martink@posteo.de \
--cc=marxin.liska@gmail.com \
--cc=mfuzzey@parkeon.com \
--cc=mhornung.linux@gmail.com \
--cc=michal.simek@xilinx.com \
--cc=mika.westerberg@linux.intel.com \
--cc=mpa@pengutronix.de \
--cc=mranostay@gmail.com \
--cc=mtitinger@baylibre.com \
--cc=naidu.tellapati@imgtec.com \
--cc=nizamhaider786@gmail.com \
--cc=octavian.purdila@intel.com \
--cc=pmeerw@pmeerw.net \
--cc=roberta.dobrescu@gmail.com \
--cc=rodriguez.twister@gmail.com \
--cc=sathyanarayanan.kuppuswamy@linux.intel.com \
--cc=sdliyong@gmail.com \
--cc=shivanib134@gmail.com \
--cc=soren.brinkmann@xilinx.com \
--cc=srinivas.pandruvada@linux.intel.com \
--cc=standby24x7@gmail.com \
--cc=stefan@agner.ch \
--cc=tduszyns@gmail.com \
--cc=tiberiu.a.breana@intel.com \
--cc=tinajohnson.1234@gmail.com \
--cc=viorel.suman@gmail.com \
--cc=vlad.dogaru@intel.com \
--cc=vladimir.barinov@cogentembedded.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.