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'of_node_put()' can potentially release the memory pointed to by
'iiospec.np' which would leave us with an invalid pointer (and we would
still pass it in 'of_xlate()'). Note that it is not guaranteed for the
of_node lifespan to be attached to the device (to which is attached)
lifespan so that there is (even though very unlikely) the possibility
for the node to be freed while the device is still around. Thus, as there
are indeed some of_xlate users which do access the node, a race is indeed
possible.
As such, we can only release the node after we are done with it.
Fixes: 17d82b47a215d ("iio: Add OF support")
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220715122903.332535-2-nuno.sa@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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These channels are specified in downstream kernels [1] and actively used
by e.g. the Sony Seine platform on the SM6125 SoC. Note that GPIO2
isn't used on this platform and, while the definition downstream is
identical to the other GPIOx_100K_PU definitions, has been omitted for
lack of proper testing.
[1]: https://source.codeaurora.org/quic/la/kernel/msm-4.14/tree/drivers/iio/adc/qcom-spmi-adc5.c?h=LA.UM.7.11.r1-05200-NICOBAR.0#n688
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20220805135729.1037079-3-marijn.suijten@somainline.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add runtime PM support by disabling/enabling ADC's peripheral clock.
On simple conversion the ADC's clock is kept enabled just while the
conversion is in progress. This includes also temperature conversion.
For triggered buffers and touch conversions the ADC clock is kept enabled
while the triggered buffers or touch are enabled. Along with it removed
the __maybe_unused on suspend() and resume() ops as the dev_pm_ops
object members are now filled with SYSTEM_SLEEP_PM_OPS().
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220803102855.2191070-20-claudiu.beznea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add empty line after function.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220803102855.2191070-19-claudiu.beznea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The ADC on SAMA7G5 has a dedicated channel (channel 31) for measuring
in-SoC temperature. 2 inputs are multiplexed on channel 31, VTEMP and
VBG as follows:
`
| \ +-----+
VBG --->| | ch31 | |
Vtemp --->| |----->| ADC |
| / | |
| / +-----+
.
where:
- VTEMP is proportional to the absolute temperature voltage
- VBG is a quasi-temperature independent voltage
Both VBG and VTEMP are needed to determine the correct in-SoC
temperature. At a moment of time only one of these could be measured, the
selection being done with bit SRCLCH bit of ACR register. The formula to
calculate the temperature is as follows:
P1 + (Vref * (VTEMP - P6 - P4 * VBG)) / (VBG * VTEMP_DT)
where:
- P1, P4, P6 are calibration data retrieved from OTP memory
- Vref is the reference voltage for ADC
- VTEMP_DT is the voltage sensitivity to temperature and is constant
- VTEMP, VBG are the measured values from channel 31
For better resolution before reading the temperature certain settings
for oversampling ratio, sample frequency, EMR.TRACKX, MR.TRACKTIM are
applied. The initial settings are reapplied at the end of temperature
reading.
Current support is not integrated with trigger buffers channel 31 not
being enabled/disabled in functions at91_adc_buffer_prepare(),
at91_adc_buffer_postdisable() thus the conversion for channel 31 is not
done in case trigger buffers are enabled. In case of trigger buffers are
enabled and temperature requests are received in the driver though
at91_adc_read_temp() the at91_adc_read_temp() will return with an error
code.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220803102855.2191070-18-claudiu.beznea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add ID for temperature channel of AT91 SAMA5D2 ADC.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220803102855.2191070-17-claudiu.beznea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Remove iio_device_{claim, release}_direct_mode() and lock/unlock to
&st->lock from at91_adc_read_info_raw(). Instead add a wrapper around
at91_adc_read_info_raw() and do there the lock/unlock. This will allow
using the at91_adc_read_info_raw() in patch that add support for
temperature sensor.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220803102855.2191070-16-claudiu.beznea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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at91_adc_setup_samp_freq()
Add startup and tracktim as parameter for at91_adc_setup_samp_freq()
function. In case of temperature sensor being enabled these parameters
will be configured on temperature read request to improve the accuracy
of the read temperature.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220803102855.2191070-15-claudiu.beznea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add support for updating trackx bits of EMR register. Having different
values of EMR.TRACKX when measuring temperature give a better accuracy.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220803102855.2191070-14-claudiu.beznea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Move the storage of oversampling_ratio in at91_adc_config_emr().
This prepares for the next commits.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220803102855.2191070-13-claudiu.beznea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add 64 and 256 oversampling ratio support. It is necessary for temperature
sensor.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220803102855.2191070-12-claudiu.beznea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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ADC captures data on 12 bits (if oversampling is not enabled). When using
oversampling captured data could go up to 14 bits for SAMA5D2 or up to
16 bits for SAMA7G5 (depending on oversampling settings). All the channels
that are subject of oversampling are registered as 14 or 16 real bits.
Depending on the oversampling settings the ADC converted value need to be
shifted up to 14 or 16 to cope with realbits value registered to IIO
subsystem. Commit adds platform specific information to know if we
run on a system with up to 14 or 16 bits ADC converted data.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220803102855.2191070-11-claudiu.beznea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add .read_avail() to chan_info ops which will retrieve the available
oversampling ratio.
Suggested-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220803102855.2191070-10-claudiu.beznea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Drop AT91_OSR_1SAMPLES, AT91_OSR_4SAMPLES, AT91_OSR_16SAMPLES defines
and insted use their values inline.
Suggested-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220803102855.2191070-9-claudiu.beznea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Oversampling values are checked anyway in at91_adc_emr_config(). Remove
the checking of these from at91_adc_write_raw() and return -EINVAL
instead in at91_adc_emr_config().
Suggested-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220803102855.2191070-8-claudiu.beznea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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SAMA7G5 introduces 64 and 256 oversampling rates. Due to this EMR.OSR is 3
bits long. Change the code to reflect this. Commit prepares the code
for the addition of 64 and 256 oversampling rates.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220803102855.2191070-7-claudiu.beznea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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When buffers are enabled conversion may start asynchronously thus
allowing changes on actual hardware could lead to bad behavior. Thus
do not allow changing oversampling ratio and sample frequency when
if iio_device_claim_direct_mode() returns with error.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220803102855.2191070-6-claudiu.beznea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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In case triggered buffers are enabled while system is suspended they will
not work anymore after resume. For this call at91_adc_buffer_postdisable()
on suspend and at91_adc_buffer_prepare() on resume. On tests it has been
seen that at91_adc_buffer_postdisable() call is not necessary but it has
been kept because it also does the book keeping for DMA. On resume path
there is no need to call at91_adc_configure_touch() as it is embedded in
at91_adc_buffer_prepare().
Fixes: 073c662017f2f ("iio: adc: at91-sama5d2_adc: add support for DMA")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220803102855.2191070-5-claudiu.beznea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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.read_raw()/.write_raw() could be called asynchronously from user space
or other in kernel drivers. Without locking on st->lock these could be
called asynchronously while there is a conversion in progress. Read will
be harmless but changing registers while conversion is in progress may
lead to inconsistent results. Thus, to avoid this lock st->lock.
Fixes: 27e177190891 ("iio:adc:at91_adc8xx: introduce new atmel adc driver")
Fixes: 6794e23fa3fe ("iio: adc: at91-sama5d2_adc: add support for oversampling resolution")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220803102855.2191070-4-claudiu.beznea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Check return status of at91_adc_read_position() and
at91_adc_read_pressure() in at91_adc_read_info_raw().
Fixes: 6794e23fa3fe ("iio: adc: at91-sama5d2_adc: add support for oversampling resolution")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220803102855.2191070-3-claudiu.beznea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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All ADC HW versions handled by this driver (SAMA5D2, SAM9X60, SAMA7G5)
have MR.TRACKTIM on 4 bits. Fix AT91_SAMA5D2_MR_TRACKTIM_MAX to reflect
this.
Fixes: 27e177190891 ("iio:adc:at91_adc8xx: introduce new atmel adc driver")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220803102855.2191070-2-claudiu.beznea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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As reported by checkpatch.pl add missing names for function definition
arguments.
Signed-off-by: Joe Simmons-Talbott <joetalbott@gmail.com>
Link: https://lore.kernel.org/r/20220731160120.4831-1-joetalbott@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add documentation for the usage of voltage channel integration time.
Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
Link: https://lore.kernel.org/r/1658242365-27797-4-git-send-email-u0084500@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add Richtek rtq6056 supporting.
It can be used for the system to monitor load current and power with 16-bit
resolution.
Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/1658242365-27797-3-git-send-email-u0084500@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add the documentation for Richtek rtq6056.
Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/1658242365-27797-2-git-send-email-u0084500@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add initial support for ltrf216a ambient light sensor.
Datasheet: https://gitlab.collabora.com/shreeya/iio/-/blob/master/LTRF216A.pdf
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Co-developed-by: Zhigang Shi <Zhigang.Shi@liteon.com>
Signed-off-by: Zhigang Shi <Zhigang.Shi@liteon.com>
Co-developed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Shreeya Patel <shreeya.patel@collabora.com>
Link: https://lore.kernel.org/r/20220725104050.491396-3-shreeya.patel@collabora.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add devicetree bindings for ltrf216a ambient light sensor.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Shreeya Patel <shreeya.patel@collabora.com>
Link: https://lore.kernel.org/r/20220725104050.491396-2-shreeya.patel@collabora.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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If the ADC vref regulator returns an error, for example, if CONFIG_REGULATOR
is not set, the error will be used as a reference voltage.
Introduce a guard for negative return values instead of unconditionally
casting it to u32.
Acked-by: Haibo Chen <haibo.chen@nxp.com>
Signed-off-by: Martin Larsson <martin.larsson@actia.se>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20220720153136.3502440-1-martin.larsson@actia.se
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The actual status of the code is Maintained.
Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Cc: Kent Gustavsson <kent@minoris.se>
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: linux-iio <linux-iio@vger.kernel.org>
Link: https://lore.kernel.org/r/20220723092030.260812-1-marcus.folkesson@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Document the ti,am654-adc compatible already used in DTS:
arch/arm64/boot/dts/ti/k3-am642-evm.dtb: adc: compatible:0: 'ti,am654-adc' is not one of ['ti,am3359-adc', 'ti,am4372-adc']
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220727155203.320929-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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As reported by checkpatch.pl make indentation match previous
conditional.
Signed-off-by: Joe Simmons-Talbott <joetalbott@gmail.com>
Link: https://lore.kernel.org/r/20220727181855.589052-3-joetalbott@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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As reported by checkpatch.pl add blank lines after declarations.
Signed-off-by: Joe Simmons-Talbott <joetalbott@gmail.com>
Link: https://lore.kernel.org/r/20220727181855.589052-2-joetalbott@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Radix tree header includes gfp.h for __GFP_BITS_SHIFT only. Now we
have gfp_types.h for this.
Fixes powerpc allmodconfig build:
In file included from include/linux/nodemask.h:97,
from include/linux/mmzone.h:17,
from include/linux/gfp.h:7,
from include/linux/radix-tree.h:12,
from include/linux/idr.h:15,
from include/linux/kernfs.h:12,
from include/linux/sysfs.h:16,
from include/linux/kobject.h:20,
from include/linux/pci.h:35,
from arch/powerpc/kernel/prom_init.c:24:
include/linux/random.h: In function 'add_latent_entropy':
>> include/linux/random.h:25:46: error: 'latent_entropy' undeclared (first use in this function); did you mean 'add_latent_entropy'?
25 | add_device_randomness((const void *)&latent_entropy, sizeof(latent_entropy));
| ^~~~~~~~~~~~~~
| add_latent_entropy
include/linux/random.h:25:46: note: each undeclared identifier is reported only once for each function it appears in
Reported-by: kernel test robot <lkp@intel.com>
CC: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
CC: Andrew Morton <akpm@linux-foundation.org>
CC: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull vfs lseek fix from Al Viro:
"Fix proc_reg_llseek() breakage. Always had been possible if somebody
left NULL ->proc_lseek, became a practical issue now"
* tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
take care to handle NULL ->proc_lseek()
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Easily done now, just by clearing FMODE_LSEEK in ->f_mode
during proc_reg_open() for such entries.
Fixes: 868941b14441 "fs: remove no_llseek"
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull more xen updates from Juergen Gross:
- fix the handling of the "persistent grants" feature negotiation
between Xen blkfront and Xen blkback drivers
- a cleanup of xen.config and adding xen.config to Xen section in
MAINTAINERS
- support HVMOP_set_evtchn_upcall_vector, which is more compliant to
"normal" interrupt handling than the global callback used up to now
- further small cleanups
* tag 'for-linus-6.0-rc1b-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
MAINTAINERS: add xen config fragments to XEN HYPERVISOR sections
xen: remove XEN_SCRUB_PAGES in xen.config
xen/pciback: Fix comment typo
xen/xenbus: fix return type in xenbus_file_read()
xen-blkfront: Apply 'feature_persistent' parameter when connect
xen-blkback: Apply 'feature_persistent' parameter when connect
xen-blkback: fix persistent grants negotiation
x86/xen: Add support for HVMOP_set_evtchn_upcall_vector
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git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
Pull more perf tool updates from Arnaldo Carvalho de Melo:
- 'perf c2c' now supports ARM64, adjust its output to cope with
differences with what is in x86_64. Now go find false sharing on
ARM64 (at least Neoverse) as well!
- Refactor the JSON processing, making the output more compact and thus
reducing the size of the resulting perf binary
- Improvements for 'perf offcpu' profiling, including tracking child
processes
- Update Intel JSON metrics and events files for broadwellde,
broadwellx, cascadelakex, haswellx, icelakex, ivytown, jaketown,
knightslanding, sapphirerapids, skylakex and snowridgex
- Add 'perf stat' JSON output and a 'perf test' entry for it
- Ignore memfd and anonymous mmap events if jitdump present
- Refactor 'perf test' shell tests allowing subdirs
- Fix an error handling path in 'parse_perf_probe_command()'
- Fixes for the guest Intel PT tracing patchkit in the 1st batch of
this merge window
- Print debuginfod queries if -v option is used, to explain delays in
processing when debuginfo servers are enabled to fetch DSOs with
richer symbol tables
- Improve error message for 'perf record -p not_existing_pid'
- Fix openssl and libbpf feature detection
- Add PMU pai_crypto event description for IBM z16 on 'perf list'
- Fix typos and duplicated words on comments in various places
* tag 'perf-tools-fixes-for-v6.0-2022-08-13' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (81 commits)
perf test: Refactor shell tests allowing subdirs
perf vendor events: Update events for snowridgex
perf vendor events: Update events and metrics for skylakex
perf vendor events: Update metrics for sapphirerapids
perf vendor events: Update events for knightslanding
perf vendor events: Update metrics for jaketown
perf vendor events: Update metrics for ivytown
perf vendor events: Update events and metrics for icelakex
perf vendor events: Update events and metrics for haswellx
perf vendor events: Update events and metrics for cascadelakex
perf vendor events: Update events and metrics for broadwellx
perf vendor events: Update metrics for broadwellde
perf jevents: Fold strings optimization
perf jevents: Compress the pmu_events_table
perf metrics: Copy entire pmu_event in find metric
perf pmu-events: Hide the pmu_events
perf pmu-events: Don't assume pmu_event is an array
perf pmu-events: Move test events/metrics to JSON
perf test: Use full metric resolution
perf pmu-events: Hide pmu_events_map
...
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Ensure we never emit lwarx with EH=1 on 32-bit, because some 32-bit
CPUs trap on it rather than ignoring it as they should.
- Fix ftrace when building with clang, which was broken by some
refactoring.
- A couple of other minor fixes.
Thanks to Christophe Leroy, Naveen N. Rao, Nick Desaulniers, Ondrej
Mosnacek, Pali Rohár, Russell Currey, and Segher Boessenkool.
* tag 'powerpc-6.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/kexec: Fix build failure from uninitialised variable
powerpc/ppc-opcode: Fix PPC_RAW_TW()
powerpc64/ftrace: Fix ftrace for clang builds
powerpc: Make eh value more explicit when using lwarx
powerpc: Don't hide eh field of lwarx behind a macro
powerpc: Fix eh field when calling lwarx on PPC32
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull /proc/mounts fix from Al Viro:
"Fix for /proc/mounts escaping - escape the '#' character too"
* tag 'pull-work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
vfs: escape hash as well
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git://git.samba.org/sfrench/cifs-2.6
Pull more cifs updates from Steve French:
- two fixes for stable, one for a lock length miscalculation, and
another fixes a lease break timeout bug
- improvement to handle leases, allows the close timeout to be
configured more safely
- five restructuring/cleanup patches
* tag '5.20-rc-smb3-client-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6:
cifs: Do not access tcon->cfids->cfid directly from is_path_accessible
cifs: Add constructor/destructors for tcon->cfid
SMB3: fix lease break timeout when multiple deferred close handles for the same file.
smb3: allow deferred close timeout to be configurable
cifs: Do not use tcon->cfid directly, use the cfid we get from open_cached_dir
cifs: Move cached-dir functions into a separate file
cifs: Remove {cifs,nfs}_fscache_release_page()
cifs: fix lock length calculation
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Enable multipage folio support for the afs filesystem.
Support has already been implemented in netfslib, fscache and cachefiles
and in most of afs, but I've waited for Matthew Wilcox's latest folio
changes.
Note that it does require a change to afs_write_begin() to return the
correct subpage. This is a "temporary" change as we're working on
getting rid of the need for ->write_begin() and ->write_end()
completely, at least as far as network filesystems are concerned - but
it doesn't prevent afs from making use of the capability.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Tested-by: kafs-testing@auristor.com
Cc: Marc Dionne <marc.dionne@auristor.com>
Cc: linux-afs@lists.infradead.org
Link: https://lore.kernel.org/lkml/2274528.1645833226@warthog.procyon.org.uk/
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Ingo Molnar:
"Misc timer fixes:
- fix a potential use-after-free bug in posix timers
- correct a prototype
- address a build warning"
* tag 'timers-urgent-2022-08-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
posix-cpu-timers: Cleanup CPU timers before freeing them during exec
time: Correct the prototype of ns_to_kernel_old_timeval and ns_to_timespec64
posix-timers: Make do_clock_gettime() static
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Ingo Molnar:
"Fix the 'IBPB mitigated RETBleed' mode of operation on AMD CPUs (not
turned on by default), which also need STIBP enabled (if available) to
be '100% safe' on even the shortest speculation windows"
* tag 'x86-urgent-2022-08-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/bugs: Enable STIBP for IBPB mitigated RETBleed
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull more i2c updates from Wolfram Sang:
- two driver fixes for issues introduced this cycle
- one trivial driver improvement regarding ACPI
- more DTS conversion and additions
- documentation updates
- subsystem-wide move from strlcpy to strscpy
* tag 'i2c-for-5.20-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
docs: i2c: i2c-sysfs: fix hyperlinks
docs: i2c: i2c-sysfs: improve wording
docs: i2c: instantiating-devices: add syntax coloring to dts and C blocks
docs: i2c: smbus-protocol: improve DataLow/DataHigh definition
docs: i2c: i2c-protocol: remove unused legend items
docs: i2c: i2c-protocol,smbus-protocol: remove nonsense words
docs: i2c: i2c-protocol: update introductory paragraph
i2c: move core from strlcpy to strscpy
i2c: move drivers from strlcpy to strscpy
i2c: kempld: Support ACPI I2C device declaration
i2c: mediatek: add i2c compatible for MT8188
dt-bindings: i2c: update bindings for mt8188 soc
i2c: microchip-corei2c: fix erroneous late ack send
dt-bindings: i2c: qcom,i2c-cci: convert to dtschema
i2c: qcom-geni: Fix GPI DMA buffer sync-back
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Pull NTB updates from Jon Mason:
"Non-Transparent Bridge updates.
Fix of heap data and clang warnings, support for a new Intel NTB
device, and NTB EndPoint Function (EPF) support and the various fixes
for that"
* tag 'ntb-5.20' of https://github.com/jonmason/ntb:
MAINTAINERS: add PCI Endpoint NTB drivers to NTB files
NTB: EPF: Tidy up some bounds checks
NTB: EPF: Fix error code in epf_ntb_bind()
PCI: endpoint: pci-epf-vntb: reduce several globals to statics
PCI: endpoint: pci-epf-vntb: fix error handle in epf_ntb_mw_bar_init()
PCI: endpoint: Fix Kconfig dependency
NTB: EPF: set pointer addr to null using NULL rather than 0
Documentation: PCI: extend subheading underline for "lspci output" section
Documentation: PCI: Use code-block block for scratchpad registers diagram
Documentation: PCI: Add specification for the PCI vNTB function device
PCI: endpoint: Support NTB transfer between RC and EP
NTB: epf: Allow more flexibility in the memory BAR map method
PCI: designware-ep: Allow pci_epc_set_bar() update inbound map address
ntb: intel: add GNR support for Intel PCIe gen5 NTB
NTB: ntb_tool: uninitialized heap data in tool_fn_write()
ntb: idt: fix clang -Wformat warnings
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Pull more xfs updates from Darrick Wong:
"There's not a lot this time around, just the usual bug fixes and
corrections for missing error returns.
- Return error codes from block device flushes to userspace
- Fix a deadlock between reclaim and mount time quotacheck
- Fix an unnecessary ENOSPC return when doing COW on a filesystem
with severe free space fragmentation
- Fix a miscalculation in the transaction reservation computations
for file removal operations"
* tag 'xfs-5.20-merge-8' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: fix inode reservation space for removing transaction
xfs: Fix false ENOSPC when performing direct write on a delalloc extent in cow fork
xfs: fix intermittent hang during quotacheck
xfs: check return codes when flushing block devices
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Pull more SCSI updates from James Bottomley:
"Mostly small bug fixes and trivial updates.
The major new core update is a change to the way device, target and
host reference counting is done to try to make it more robust (this
change has soaked for a while to try to winkle out any bugs)"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: pm8001: Fix typo 'the the' in comment
scsi: megaraid_sas: Remove redundant variable cmd_type
scsi: FlashPoint: Remove redundant variable bm_int_st
scsi: zfcp: Fix missing auto port scan and thus missing target ports
scsi: core: Call blk_mq_free_tag_set() earlier
scsi: core: Simplify LLD module reference counting
scsi: core: Make sure that hosts outlive targets
scsi: core: Make sure that targets outlive devices
scsi: ufs: ufs-pci: Correct check for RESET DSM
scsi: target: core: De-RCU of se_lun and se_lun acl
scsi: target: core: Fix race during ACL removal
scsi: ufs: core: Correct ufshcd_shutdown() flow
scsi: ufs: core: Increase the maximum data buffer size
scsi: lpfc: Check the return value of alloc_workqueue()
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Pull block fixes from Jens Axboe:
- NVMe pull request
- print nvme connect Linux error codes properly (Amit Engel)
- fix the fc_appid_store return value (Christoph Hellwig)
- fix a typo in an error message (Christophe JAILLET)
- add another non-unique identifier quirk (Dennis P. Kliem)
- check if the queue is allocated before stopping it in nvme-tcp
(Maurizio Lombardi)
- restart admin queue if the caller needs to restart queue in
nvme-fc (Ming Lei)
- use kmemdup instead of kmalloc + memcpy in nvme-auth (Zhang
Xiaoxu)
- __alloc_disk_node() error handling fix (Rafael)
* tag 'block-6.0-2022-08-12' of git://git.kernel.dk/linux-block:
block: Do not call blk_put_queue() if gendisk allocation fails
nvme-pci: add NVME_QUIRK_BOGUS_NID for ADATA XPG GAMMIX S70
nvme-tcp: check if the queue is allocated before stopping it
nvme-fabrics: Fix a typo in an error message
nvme-fabrics: parse nvme connect Linux error codes
nvmet-auth: use kmemdup instead of kmalloc + memcpy
nvme-fc: fix the fc_appid_store return value
nvme-fc: restart admin queue if the caller needs to restart queue
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Pull io_uring fixes from Jens Axboe:
- Regression fix for this merge window, fixing a wrong order of
arguments for io_req_set_res() for passthru (Dylan)
- Fix for the audit code leaking context memory (Peilin)
- Ensure that provided buffers are memcg accounted (Pavel)
- Correctly handle short zero-copy sends (Pavel)
- Sparse warning fixes for the recvmsg multishot command (Dylan)
- Error handling fix for passthru (Anuj)
- Remove randomization of struct kiocb fields, to avoid it growing in
size if re-arranged in such a fashion that it grows more holes or
padding (Keith, Linus)
- Small series improving type safety of the sqe fields (Stefan)
* tag 'io_uring-6.0-2022-08-13' of git://git.kernel.dk/linux-block:
io_uring: add missing BUILD_BUG_ON() checks for new io_uring_sqe fields
io_uring: make io_kiocb_to_cmd() typesafe
fs: don't randomize struct kiocb fields
io_uring: consistently make use of io_notif_to_data()
io_uring: fix error handling for io_uring_cmd
io_uring: fix io_recvmsg_prep_multishot sparse warnings
io_uring/net: send retry for zerocopy
io_uring: mem-account pbuf buckets
audit, io_uring, io-wq: Fix memory leak in io_sq_thread() and io_wqe_worker()
io_uring: pass correct parameters to io_req_set_res
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