Age | Commit message (Collapse) | Author |
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This is the 5.4.160 stable release
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[ Upstream commit b7931a7b0e0df4d2a25fedd895ad32c746b77bc1 ]
Maintaining this manually is error prone (there are currently only
five chips supported, not six); gcc can do it for us automatically.
Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Fixes: 666c14906b49 ("hwmon: (pmbus/lm25066) Drop support for LM25063")
Link: https://lore.kernel.org/r/20210928092242.30036-5-zev@bewilderbeest.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit ada61aa0b1184a8fda1a89a340c7d6cc4e59aee5 ]
I got memory leak as follows when doing fault injection test:
unreferenced object 0xffff888102740438 (size 8):
comm "27", pid 859, jiffies 4295031351 (age 143.992s)
hex dump (first 8 bytes):
68 77 6d 6f 6e 30 00 00 hwmon0..
backtrace:
[<00000000544b5996>] __kmalloc_track_caller+0x1a6/0x300
[<00000000df0d62b9>] kvasprintf+0xad/0x140
[<00000000d3d2a3da>] kvasprintf_const+0x62/0x190
[<000000005f8f0f29>] kobject_set_name_vargs+0x56/0x140
[<00000000b739e4b9>] dev_set_name+0xb0/0xe0
[<0000000095b69c25>] __hwmon_device_register+0xf19/0x1e50 [hwmon]
[<00000000a7e65b52>] hwmon_device_register_with_info+0xcb/0x110 [hwmon]
[<000000006f181e86>] devm_hwmon_device_register_with_info+0x85/0x100 [hwmon]
[<0000000081bdc567>] tmp421_probe+0x2d2/0x465 [tmp421]
[<00000000502cc3f8>] i2c_device_probe+0x4e1/0xbb0
[<00000000f90bda3b>] really_probe+0x285/0xc30
[<000000007eac7b77>] __driver_probe_device+0x35f/0x4f0
[<000000004953d43d>] driver_probe_device+0x4f/0x140
[<000000002ada2d41>] __device_attach_driver+0x24c/0x330
[<00000000b3977977>] bus_for_each_drv+0x15d/0x1e0
[<000000005bf2a8e3>] __device_attach+0x267/0x410
When device_register() returns an error, the name allocated in
dev_set_name() will be leaked, the put_device() should be used
instead of calling hwmon_dev_release() to give up the device
reference, then the name will be freed in kobject_cleanup().
Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: bab2243ce189 ("hwmon: Introduce hwmon_device_register_with_groups")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20211012112758.2681084-1-yangyingliang@huawei.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit ae59dc455a78fb73034dd1fbb337d7e59c27cbd8 upstream.
With the exception of the lm5066i, all the devices handled by this
driver had been missing their offset ('b') coefficients for direct
format readings.
Cc: stable@vger.kernel.org
Fixes: 58615a94f6a1 ("hwmon: (pmbus/lm25066) Add support for LM25056")
Fixes: e53e6497fc9f ("hwmon: (pmbus/lm25066) Refactor device specific coefficients")
Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Link: https://lore.kernel.org/r/20210928092242.30036-2-zev@bewilderbeest.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is the 5.4.151 stable release
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[ Upstream commit 724e8af85854c4d3401313b6dd7d79cf792d8990 ]
Old code produces -24999 for 0b1110011100000000 input in standard format due to
always rounding up rather than "away from zero".
Use the common macro for division, unify and simplify the conversion code along
the way.
Fixes: 9410700b881f ("hwmon: Add driver for Texas Instruments TMP421/422/423 sensor chips")
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Link: https://lore.kernel.org/r/20210924093011.26083-3-fercerpav@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 540effa7f283d25bcc13c0940d808002fee340b8 ]
For both local and remote sensors all the supported ICs can report an
"undervoltage lockout" condition which means the conversion wasn't
properly performed due to insufficient power supply voltage and so the
measurement results can't be trusted.
Fixes: 9410700b881f ("hwmon: Add driver for Texas Instruments TMP421/422/423 sensor chips")
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Link: https://lore.kernel.org/r/20210924093011.26083-2-fercerpav@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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from sysfs
[ Upstream commit e6fab7af6ba1bc77c78713a83876f60ca7a4a064 ]
Fan speed minimum can be enforced from sysfs. For example, setting
current fan speed to 20 is used to enforce fan speed to be at 100%
speed, 19 - to be not below 90% speed, etcetera. This feature provides
ability to limit fan speed according to some system wise
considerations, like absence of some replaceable units or high system
ambient temperature.
Request for changing fan minimum speed is configuration request and can
be set only through 'sysfs' write procedure. In this situation value of
argument 'state' is above nominal fan speed maximum.
Return non-zero code in this case to avoid
thermal_cooling_device_stats_update() call, because in this case
statistics update violates thermal statistics table range.
The issues is observed in case kernel is configured with option
CONFIG_THERMAL_STATISTICS.
Here is the trace from KASAN:
[ 159.506659] BUG: KASAN: slab-out-of-bounds in thermal_cooling_device_stats_update+0x7d/0xb0
[ 159.516016] Read of size 4 at addr ffff888116163840 by task hw-management.s/7444
[ 159.545625] Call Trace:
[ 159.548366] dump_stack+0x92/0xc1
[ 159.552084] ? thermal_cooling_device_stats_update+0x7d/0xb0
[ 159.635869] thermal_zone_device_update+0x345/0x780
[ 159.688711] thermal_zone_device_set_mode+0x7d/0xc0
[ 159.694174] mlxsw_thermal_modules_init+0x48f/0x590 [mlxsw_core]
[ 159.700972] ? mlxsw_thermal_set_cur_state+0x5a0/0x5a0 [mlxsw_core]
[ 159.731827] mlxsw_thermal_init+0x763/0x880 [mlxsw_core]
[ 160.070233] RIP: 0033:0x7fd995909970
[ 160.074239] Code: 73 01 c3 48 8b 0d 28 d5 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 99 2d 2c 00 00 75 10 b8 01 00 00 00 0f 05 <48> 3d 01 f0 ff ..
[ 160.095242] RSP: 002b:00007fff54f5d938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 160.103722] RAX: ffffffffffffffda RBX: 0000000000000013 RCX: 00007fd995909970
[ 160.111710] RDX: 0000000000000013 RSI: 0000000001906008 RDI: 0000000000000001
[ 160.119699] RBP: 0000000001906008 R08: 00007fd995bc9760 R09: 00007fd996210700
[ 160.127687] R10: 0000000000000073 R11: 0000000000000246 R12: 0000000000000013
[ 160.135673] R13: 0000000000000001 R14: 00007fd995bc8600 R15: 0000000000000013
[ 160.143671]
[ 160.145338] Allocated by task 2924:
[ 160.149242] kasan_save_stack+0x19/0x40
[ 160.153541] __kasan_kmalloc+0x7f/0xa0
[ 160.157743] __kmalloc+0x1a2/0x2b0
[ 160.161552] thermal_cooling_device_setup_sysfs+0xf9/0x1a0
[ 160.167687] __thermal_cooling_device_register+0x1b5/0x500
[ 160.173833] devm_thermal_of_cooling_device_register+0x60/0xa0
[ 160.180356] mlxreg_fan_probe+0x474/0x5e0 [mlxreg_fan]
[ 160.248140]
[ 160.249807] The buggy address belongs to the object at ffff888116163400
[ 160.249807] which belongs to the cache kmalloc-1k of size 1024
[ 160.263814] The buggy address is located 64 bytes to the right of
[ 160.263814] 1024-byte region [ffff888116163400, ffff888116163800)
[ 160.277536] The buggy address belongs to the page:
[ 160.282898] page:0000000012275840 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888116167000 pfn:0x116160
[ 160.294872] head:0000000012275840 order:3 compound_mapcount:0 compound_pincount:0
[ 160.303251] flags: 0x200000000010200(slab|head|node=0|zone=2)
[ 160.309694] raw: 0200000000010200 ffffea00046f7208 ffffea0004928208 ffff88810004dbc0
[ 160.318367] raw: ffff888116167000 00000000000a0006 00000001ffffffff 0000000000000000
[ 160.327033] page dumped because: kasan: bad access detected
[ 160.333270]
[ 160.334937] Memory state around the buggy address:
[ 160.356469] >ffff888116163800: fc ..
Fixes: 65afb4c8e7e4 ("hwmon: (mlxreg-fan) Add support for Mellanox FAN driver")
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Link: https://lore.kernel.org/r/20210916183151.869427-1-vadimp@nvidia.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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structure field
commit 943c15ac1b84d378da26bba41c83c67e16499ac4 upstream.
If driver read val value sufficient for
(val & 0x08) && (!(val & 0x80)) && ((val & 0x7) == ((val >> 4) & 0x7))
from device then Null pointer dereference occurs.
(It is possible if tmp = 0b0xyz1xyz, where same literals mean same numbers)
Also lm75[] does not serve a purpose anymore after switching to
devm_i2c_new_dummy_device() in w83791d_detect_subclients().
The patch fixes possible NULL pointer dereference by removing lm75[].
Found by Linux Driver Verification project (linuxtesting.org).
Cc: stable@vger.kernel.org
Signed-off-by: Nadezda Lutovinova <lutovinova@ispras.ru>
Link: https://lore.kernel.org/r/20210921155153.28098-1-lutovinova@ispras.ru
[groeck: Dropped unnecessary continuation lines, fixed multi-line alignment]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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structure field
commit 0f36b88173f028e372668ae040ab1a496834d278 upstream.
If driver read val value sufficient for
(val & 0x08) && (!(val & 0x80)) && ((val & 0x7) == ((val >> 4) & 0x7))
from device then Null pointer dereference occurs.
(It is possible if tmp = 0b0xyz1xyz, where same literals mean same numbers)
Also lm75[] does not serve a purpose anymore after switching to
devm_i2c_new_dummy_device() in w83791d_detect_subclients().
The patch fixes possible NULL pointer dereference by removing lm75[].
Found by Linux Driver Verification project (linuxtesting.org).
Cc: stable@vger.kernel.org
Signed-off-by: Nadezda Lutovinova <lutovinova@ispras.ru>
Link: https://lore.kernel.org/r/20210921155153.28098-2-lutovinova@ispras.ru
[groeck: Dropped unnecessary continuation lines, fixed multipline alignment]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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structure field
commit dd4d747ef05addab887dc8ff0d6ab9860bbcd783 upstream.
If driver read tmp value sufficient for
(tmp & 0x08) && (!(tmp & 0x80)) && ((tmp & 0x7) == ((tmp >> 4) & 0x7))
from device then Null pointer dereference occurs.
(It is possible if tmp = 0b0xyz1xyz, where same literals mean same numbers)
Also lm75[] does not serve a purpose anymore after switching to
devm_i2c_new_dummy_device() in w83791d_detect_subclients().
The patch fixes possible NULL pointer dereference by removing lm75[].
Found by Linux Driver Verification project (linuxtesting.org).
Cc: stable@vger.kernel.org
Signed-off-by: Nadezda Lutovinova <lutovinova@ispras.ru>
Link: https://lore.kernel.org/r/20210921155153.28098-3-lutovinova@ispras.ru
[groeck: Dropped unnecessary continuation lines, fixed multi-line alignments]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is the 5.4.132 stable release
Conflicts (manual resolve):
- drivers/gpu/drm/rockchip/cdn-dp-core.c:
Fix merge hiccup when integrating upstream commit 450c25b8a4c9c
("drm/rockchip: cdn-dp-core: add missing clk_disable_unprepare() on
error in cdn_dp_grf_write()")
- drivers/perf/fsl_imx8_ddr_perf.c:
Port upstream commit 3fea9b708ae37 ("drivers/perf: fix the missed
ida_simple_remove() in ddr_perf_probe()") manually to NXP version.
Signed-off-by: Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>
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[ Upstream commit cbbf244f0515af3472084f22b6213121b4a63835 ]
Fans 7..12 do not have their own set of configuration registers.
So far the code ignored that and read beyond the end of the configuration
register range to get the tachometer period. This resulted in more or less
random fan speed values for those fans.
The datasheet is quite vague when it comes to defining the tachometer
period for fans 7..12. Experiments confirm that the period is the same
for both fans associated with a given set of configuration registers.
Fixes: 54187ff9d766 ("hwmon: (max31790) Convert to use new hwmon registration API")
Fixes: 195a4b4298a7 ("hwmon: Driver for Maxim MAX31790")
Cc: Jan Kundrát <jan.kundrat@cesnet.cz>
Reviewed-by: Jan Kundrát <jan.kundrat@cesnet.cz>
Cc: Václav Kubernát <kubernat@cesnet.cz>
Reviewed-by: Jan Kundrát <jan.kundrat@cesnet.cz>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210526154022.3223012-2-linux@roeck-us.net
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 97387c2f06bcfd79d04a848d35517b32ee6dca7c ]
Valid Maxim Integrated ACPI device IDs would start with MXIM,
not with MAX1. On top of that, ACPI device IDs reflecting chip names
are almost always invalid.
Remove the invalid ACPI IDs.
Fixes: 04e1e70afec6 ("hwmon: (max31722) Add support for MAX31722/MAX31723 temperature sensors")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 148c847c9e5a54b99850617bf9c143af9a344f92 ]
pwmX_enable supports three possible values:
0: Fan control disabled. Duty cycle is fixed to 0%
1: Fan control enabled, pwm mode. Duty cycle is determined by
values written into Target Duty Cycle registers.
2: Fan control enabled, rpm mode
Duty cycle is adjusted such that fan speed matches
the values in Target Count registers
The current code does not do this; instead, it mixes pwm control
configuration with fan speed monitoring configuration. Worse, it
reports that pwm control would be disabled (pwmX_enable==0) when
it is in fact enabled in pwm mode. Part of the problem may be that
the chip sets the "TACH input enable" bit on its own whenever the
mode bit is set to RPM mode, but that doesn't mean that "TACH input
enable" accurately reflects the pwm mode.
Fix it up and only handle pwm control with the pwmX_enable attributes.
In the documentation, clarify that disabling pwm control (pwmX_enable=0)
sets the pwm duty cycle to 0%. In the code, explain why TACH_INPUT_EN
is set together with RPM_MODE.
While at it, only update the configuration register if the configuration
has changed, and only update the cached configuration if updating the
chip configuration was successful.
Cc: Jan Kundrát <jan.kundrat@cesnet.cz>
Cc: Václav Kubernát <kubernat@cesnet.cz>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Václav Kubernát <kubernat@cesnet.cz>
Reviewed-by: Jan Kundrát <jan.kundrat@cesnet.cz>
Link: https://lore.kernel.org/r/20210526154022.3223012-4-linux@roeck-us.net
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 897f6339893b741a5d68ae8e2475df65946041c2 ]
The MAX31790 has two sets of registers for pwm duty cycles, one to request
a duty cycle and one to read the actual current duty cycle. Both do not
have to be the same.
When reporting the pwm duty cycle to the user, the actual pwm duty cycle
from pwm duty cycle registers needs to be reported. When setting it, the
pwm target duty cycle needs to be written. Since we don't know the actual
pwm duty cycle after a target pwm duty cycle has been written, set the
valid flag to false to indicate that actual pwm duty cycle should be read
from the chip instead of using cached values.
Cc: Jan Kundrát <jan.kundrat@cesnet.cz>
Cc: Václav Kubernát <kubernat@cesnet.cz>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Václav Kubernát <kubernat@ceesnet.cz>
Reviewed-by: Jan Kundrát <jan.kundrat@cesnet.cz>
Link: https://lore.kernel.org/r/20210526154022.3223012-3-linux@roeck-us.net
Signed-off-by: Sasha Levin <sashal@kernel.org>
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This is the 5.4.128 stable release
Signed-off-by: Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>
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[ Upstream commit 78d13552346289bad4a9bf8eabb5eec5e5a321a5 ]
The scpi hwmon shows the sub-zero temperature in an unsigned integer,
which would confuse the users when the machine works in low temperature
environment. This shows the sub-zero temperature in an signed value and
users can get it properly from sensors.
Signed-off-by: Riwen Lu <luriwen@kylinos.cn>
Tested-by: Xin Chen <chenxin@kylinos.cn>
Link: https://lore.kernel.org/r/20210604030959.736379-1-luriwen@kylinos.cn
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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This is the 5.4.125 stable release
Signed-off-by: Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>
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[ Upstream commit 35d470b5fbc9f82feb77b56bb0d5d0b5cd73e9da ]
When support for up to 10 temp sensors and for disabling automatic BIOS
fan control was added, noone updated the index values used for
disallowing fan support and fan type calls.
Fix those values.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20210513154546.12430-1-W_Armin@gmx.de
Fixes: 1bb46a20e73b ("hwmon: (dell-smm) Support up to 10 temp sensors")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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This is the 5.4.122 stable release
Signed-off-by: Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>
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commit 99ae3417672a6d4a3bf68d4fc43d7c6ca074d477 upstream.
This reverts commit 9aa3aa15f4c2f74f47afd6c5db4b420fadf3f315.
Because of recent interactions with developers from @umn.edu, all
commits from them have been recently re-reviewed to ensure if they were
correct or not.
Upon review, it was determined that this commit is not needed at all so
just revert it. Also, the call to lm80_init_client() was not properly
handled, so if error handling is needed in the lm80_probe() function,
then it should be done properly, not half-baked like the commit being
reverted here did.
Cc: Kangjie Lu <kjlu@umn.edu>
Fixes: 9aa3aa15f4c2 ("hwmon: (lm80) fix a missing check of bus read in lm80 probe")
Cc: stable <stable@vger.kernel.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210503115736.2104747-5-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is the 5.4.120 stable release
Signed-off-by: Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>
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[ Upstream commit 5216dff22dc2bbbbe6f00335f9fd2879670e753b ]
The poll rate limiter time was initialized at zero. This breaks the
comparison in time_after if jiffies is large. Switch to storing the
next update time rather than the previous time, and initialize the
time when the device is probed.
Fixes: c10e753d43eb ("hwmon (occ): Add sensor types and versions")
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20210429151336.18980-1-eajames@linux.ibm.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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This is the 5.4.91 stable release
Signed-off-by: Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>
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[ Upstream commit 1eda52334e6d13eb1a85f713ce06dd39342b5020 ]
With MAX_PWM being defined to 255 the code
unsigned long period;
...
period = ctx->pwm->args.period;
state.duty_cycle = DIV_ROUND_UP(pwm * (period - 1), MAX_PWM);
calculates a too small value for duty_cycle if the configured period is
big (either by discarding the 64 bit value ctx->pwm->args.period or by
overflowing the multiplication). As this results in a too slow fan and
so maybe an overheating machine better be safe than sorry and error out
in .probe.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20201215092031.152243-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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This is the 5.4.87 stable release
Signed-off-by: Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>
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This is the 5.4.80 stable release
Conflicts (manual resolve):
- arch/arm64/boot/dts/freescale/imx8mn.dtsi:
Fix minor merge conflict where commit [8381af1b684c] in stable tree
removed one blank line.
- drivers/net/can/flexcan.c:
Fix merge fuzz during integration of stable commit [4c0a778fcf7b5].
Signed-off-by: Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>
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This is the 5.4.73 stable release
Conflicts:
- arch/arm/boot/dts/imx6sl.dtsi:
Commit [a1767c90194e2] in NXP tree is now covered with commit [5c4c2f437cead]
from upstream.
- drivers/gpu/drm/mxsfb/mxsfb_drv.c:
Resolve merge hunk for patch [ed8b90d303cf0] from upstream
- drivers/media/i2c/ov5640.c:
Patch [aa4bb8b8838ff] in NXP tree is now covered by patches [79ec0578c7e0a]
and [b2f8546056b35] from upstream. Changes from NXP patch [99aa4c8c18984] are
covered in upstream version as well.
- drivers/net/ethernet/freescale/fec_main.c:
Fix merge fuzz for patch [9e70485b40c83] from upstream.
- drivers/usb/cdns3/gadget.c:
Keep NXP version of the file, upstream version is not compatible.
- drivers/usb/dwc3/core.c:
- drivers/usb/dwc3/core.h:
Fix merge fuzz of patch [08045050c6bd2] together wth NXP patch [b30e41dc1e494]
- sound/soc/fsl/fsl_sai.c:
- sound/soc/fsl/fsl_sai.h:
Commit [2ea70e51eb72a] in NXP tree is now covered with commit [1ad7f52fe6683]
from upstream.
Signed-off-by: Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>
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[ Upstream commit bce776f10069c806290eaac712ba73432ae8ecd7 ]
pm_runtime_get_sync will increment pm usage counter
even it failed. Forgetting to putting operation will
result in reference leak here. We fix it by replacing
it with pm_runtime_resume_and_get to keep usage counter
balanced. It depends on the mainline commit[PM: runtime:
Add pm_runtime_resume_and_get to deal with usagecounter].
Fixes: 323aeb0eb5d9a ("hwmon: (ina3221) Add PM runtime support")
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Link: https://lore.kernel.org/r/20201202145320.1135614-1-zhangqilong3@huawei.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit fd8feec665fef840277515a5c2b9b7c3e3970fad ]
To convert the number of pulses counted into an RPM estimation, we need
to divide by the width of our measurement interval instead of
multiplying by it. If the width of the measurement interval is zero we
don't update the RPM value to avoid dividing by zero.
We also don't need to do 64-bit division, with 32-bits we can handle a
fan running at over 4 million RPM.
Signed-off-by: Paul Barker <pbarker@konsulko.com>
Link: https://lore.kernel.org/r/20201111164643.7087-1-pbarker@konsulko.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 6c094b31ea2ad773824362ba0fccb88d36f8d32d ]
Starting with MAX34451, the chips of this series support STATUS_IOUT and
STATUS_TEMPERATURE commands, and no longer report over-current and
over-temperature status with STATUS_MFR_SPECIFIC.
Fixes: 7a001dbab4ade ("hwmon: (pmbus/max34440) Add support for MAX34451.")
Fixes: 50115ac9b6f35 ("hwmon: (pmbus/max34440) Add support for MAX34460 and MAX34461")
Reported-by: Steve Foreman <foremans@google.com>
Cc: Steve Foreman <foremans@google.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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* tag 'v5.4.70': (3051 commits)
Linux 5.4.70
netfilter: ctnetlink: add a range check for l3/l4 protonum
ep_create_wakeup_source(): dentry name can change under you...
...
Conflicts:
arch/arm/mach-imx/pm-imx6.c
arch/arm64/boot/dts/freescale/imx8mm-evk.dts
arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts
drivers/crypto/caam/caamalg.c
drivers/gpu/drm/imx/dw_hdmi-imx.c
drivers/gpu/drm/imx/imx-ldb.c
drivers/gpu/drm/imx/ipuv3/ipuv3-crtc.c
drivers/mmc/host/sdhci-esdhc-imx.c
drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
drivers/net/ethernet/freescale/enetc/enetc.c
drivers/net/ethernet/freescale/enetc/enetc_pf.c
drivers/thermal/imx_thermal.c
drivers/usb/cdns3/ep0.c
drivers/xen/swiotlb-xen.c
sound/soc/fsl/fsl_esai.c
sound/soc/fsl/fsl_sai.c
Signed-off-by: Jason Liu <jason.hui.liu@nxp.com>
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[ Upstream commit cecf7560f00a8419396a2ed0f6e5d245ccb4feac ]
clang static analysis reports this representative problem
applesmc.c:758:10: warning: 1st function call argument is an
uninitialized value
left = be16_to_cpu(*(__be16 *)(buffer + 6)) >> 2;
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
buffer is filled by the earlier call
ret = applesmc_read_key(LIGHT_SENSOR_LEFT_KEY, ...
This problem is reported because a goto skips the status check.
Other similar problems use data from applesmc_read_key before checking
the status. So move the checks to before the use.
Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Henrik Rydberg <rydberg@bitmath.org>
Link: https://lore.kernel.org/r/20200820131932.10590-1-trix@redhat.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 8aebbbb2d573d0b4afc08b90ac7d73dba2d9da97 ]
We hit a kernel panic due to a divide by 0 in nct7904_read_fan() for
the hwmon_fan_min case. Extend the check to hwmon_fan_input case as well
for safety.
[ 1656.545650] divide error: 0000 [#1] SMP PTI
[ 1656.545779] CPU: 12 PID: 18010 Comm: sensors Not tainted 5.4.47 #1
[ 1656.546065] RIP: 0010:nct7904_read+0x1e9/0x510 [nct7904]
...
[ 1656.546549] RAX: 0000000000149970 RBX: ffffbd6b86bcbe08 RCX: 0000000000000000
...
[ 1656.547548] Call Trace:
[ 1656.547665] hwmon_attr_show+0x32/0xd0 [hwmon]
[ 1656.547783] dev_attr_show+0x18/0x50
[ 1656.547898] sysfs_kf_seq_show+0x99/0x120
[ 1656.548013] seq_read+0xd8/0x3e0
[ 1656.548127] vfs_read+0x89/0x130
[ 1656.548234] ksys_read+0x7d/0xb0
[ 1656.548342] do_syscall_64+0x48/0x110
[ 1656.548451] entry_SYSCALL_64_after_hwframe+0x44/0xa9
Fixes: d65a5102a99f5 ("hwmon: (nct7904) Convert to use new hwmon registration API")
Signed-off-by: Jason Baron <jbaron@akamai.com>
Link: https://lore.kernel.org/r/1598026814-2604-1-git-send-email-jbaron@akamai.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 3ce17cd2b94907f6d91b81b32848044b84c97606 ]
SMATCH detected a potential buffer overflow in the manipulation of
hwmon_attributes array inside the scmi_hwmon_probe function:
drivers/hwmon/scmi-hwmon.c:226
scmi_hwmon_probe() error: buffer overflow 'hwmon_attributes' 6 <= 9
Fix it by statically declaring the size of the array as the maximum
possible as defined by hwmon_max define.
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20200715121338.GA18761@e119603-lin.cambridge.arm.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 8a03746c8baf82e1616f05a1a716d34378dcf780 ]
Stefan Dietrich reports invalid temperature source messages on Asus Formula
XII Z490.
nct6775 nct6775.656: Invalid temperature source 28 at index 0,
source register 0x100, temp register 0x73
Debugging suggests that temperature source 28 reports the CPU temperature.
Let's assume that temperature sources 28 and 29 reflect "PECI Agent {0,1}
Calibration", similar to other chips of the series.
Reported-by: Stefan Dietrich <roots@gmx.de>
Cc: Stefan Dietrich <roots@gmx.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 6d1d41c075a1a54ba03370e268171fec20e06563 ]
Issue:
When PEC is enabled, binding adm1272 to the adm1275 would
fail due to PEC error. See below:
adm1275: probe of xxxx failed with error -74
Diagnosis:
Per the datasheet of adm1272, adm1278, adm1293 and amd1294,
PMON_CONFIG (0xd4) is 16bits wide. On the other hand,
PMON_CONFIG (0xd4) for adm1275 is 8bits wide. The driver should not
assume everything is 8bits wide and read only 8bits from it.
Solution:
If it is adm1272, adm1278, adm1293 and adm1294, use i2c_read_word.
Else, use i2c_read_byte
Testing:
Binding adm1272 to the driver.
The change is only tested on adm1272.
Signed-off-by: Chu Lin <linchuyuan@google.com>
Link: https://lore.kernel.org/r/20200709040612.3977094-1-linchuyuan@google.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit bc4071aafcf4d0535ee423b69167696d6c03207d ]
aspeed_create_fan() reads a pwm_port value using of_property_read_u32().
If pwm_port will be more than ARRAY_SIZE(pwm_port_params), there will be
a buffer overflow in
aspeed_create_pwm_port()->aspeed_set_pwm_port_enable(). The patch fixes
the potential buffer overflow.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Evgeny Novikov <novikov@ispras.ru>
Link: https://lore.kernel.org/r/20200703111518.9644-1-novikov@ispras.ru
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 14b0e83dc4f1e52b94acaeb85a18fd7fdd46d2dc upstream.
This patch fixes a bug which does not let FAN mode to be changed from
sysfs(pwm1_enable). i.e pwm1_enable can not be set to 3, it will always
remain at 0.
This is caused because the device driver handles the result of
"read_u8_from_i2c(client, REG_FAN_CONF1, &conf_reg)" incorrectly. The
driver thinks an error has occurred if the (result != 0). This has been
fixed by changing the condition to (result < 0).
Signed-off-by: Vishwas M <vishwas.reddy.vr@gmail.com>
Link: https://lore.kernel.org/r/20200707142747.118414-1-vishwas.reddy.vr@gmail.com
Fixes: 9df7305b5a86 ("hwmon: Add driver for SMSC EMC2103 temperature monitor and fan controller")
Cc: stable@vger.kernel.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 8b97f9922211c44a739c5cbd9502ecbb9f17f6d1 ]
Although it rarely happens, we should call free_capabilities()
if error happens after read_capabilities() to free allocated strings.
Fixes: de584afa5e188 ("hwmon driver for ACPI 4.0 power meters")
Signed-off-by: Misono Tomohiro <misono.tomohiro@jp.fujitsu.com>
Link: https://lore.kernel.org/r/20200625043242.31175-1-misono.tomohiro@jp.fujitsu.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 016983d138cbe99a5c0aaae0103ee88f5300beb3 ]
Per the datasheet for max6697, OVERT mask and ALERT mask are different.
For example, the 7th bit of OVERT is the local channel but for alert
mask, the 6th bit is the local channel. Therefore, we can't apply the
same mask for both registers. In addition to that, the max6697 driver
is supposed to be compatibale with different models. I manually went over
all the listed chips and made sure all chip types have the same layout.
Testing;
mask value of 0x9 should map to 0x44 for ALERT and 0x84 for OVERT.
I used iotool to read the reg value back to verify. I only tested this
change on max6581.
Reference:
https://datasheets.maximintegrated.com/en/ds/MAX6581.pdf
https://datasheets.maximintegrated.com/en/ds/MAX6697.pdf
https://datasheets.maximintegrated.com/en/ds/MAX6699.pdf
Signed-off-by: Chu Lin <linchuyuan@google.com>
Fixes: 5372d2d71c46e ("hwmon: Driver for Maxim MAX6697 and compatibles")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 279f0b3a4b80660fba6faadc2ca2fa426bf3f7e9 upstream.
Add support for retrieving Tdie and Tctl on AMD Renoir (4000-series
Ryzen CPUs).
It appears SMU offsets for reading current/voltage and CCD temperature
have changed for this generation (reads from currently used offsets
yield zeros), so those features cannot be enabled so trivially.
Signed-off-by: Alexander Monakov <amonakov@ispras.ru>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lkml.kernel.org/r/20200510204842.2603-3-amonakov@ispras.ru
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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* tag 'v5.4.47': (2193 commits)
Linux 5.4.47
KVM: arm64: Save the host's PtrAuth keys in non-preemptible context
KVM: arm64: Synchronize sysreg state on injecting an AArch32 exception
...
Conflicts:
arch/arm/boot/dts/imx6qdl.dtsi
arch/arm/mach-imx/Kconfig
arch/arm/mach-imx/common.h
arch/arm/mach-imx/suspend-imx6.S
arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
arch/powerpc/include/asm/cacheflush.h
drivers/cpufreq/imx6q-cpufreq.c
drivers/dma/imx-sdma.c
drivers/edac/synopsys_edac.c
drivers/firmware/imx/imx-scu.c
drivers/net/ethernet/freescale/fec.h
drivers/net/ethernet/freescale/fec_main.c
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
drivers/net/phy/phy_device.c
drivers/perf/fsl_imx8_ddr_perf.c
drivers/usb/cdns3/gadget.c
drivers/usb/dwc3/gadget.c
include/uapi/linux/dma-buf.h
Signed-off-by: Jason Liu <jason.hui.liu@nxp.com>
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[ Upstream commit 7b2fd270af27edaf02acb41a7babe805a9441914 ]
The format of temperature limitation registers are 8-bit 2's complement
and the range is -128~127.
Converts the reading value to signed char to fix the incorrect range
of temperature limitation registers.
Signed-off-by: Amy Shih <amy.shih@advantech.com.tw>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 333e22db228f0bd0c839553015a6a8d3db4ba569 ]
When tsi-as-adc is configured it is possible for in7[0123]_input read to
return an incorrect value if a concurrent read to in[456]_input is
performed. This is caused by a concurrent manipulation of the mux
channel without proper locking as hwmon and mfd use different locks for
synchronization.
Switch hwmon to use the same lock as mfd when accessing the TSI channel.
Fixes: 4f16cab19a3d5 ("hwmon: da9052: Add support for TSI channel")
Signed-off-by: Samu Nuutamo <samu.nuutamo@vincit.fi>
[rebase to current master, reword commit message slightly]
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit c843b382e61b5f28a3d917712c69a344f632387c ]
The jc42 driver passes I2C client's name as hwmon device name. In case
of device tree probed devices this ends up being part of the compatible
string, "jc-42.4-temp". This name contains hyphens and the hwmon core
doesn't like this:
jc42 2-0018: hwmon: 'jc-42.4-temp' is not a valid name attribute, please fix
This changes the name to "jc42" which doesn't have any illegal
characters.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Link: https://lore.kernel.org/r/20200417092853.31206-1-s.hauer@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 44f2f882909fedfc3a56e4b90026910456019743 upstream.
This is only called from adt7462_update_device(). The caller expects it
to return zero on error. I fixed a similar issue earlier in commit
a4bf06d58f21 ("hwmon: (adt7462) ADT7462_REG_VOLT_MAX() should return 0")
but I missed this one.
Fixes: c0b4e3ab0c76 ("adt7462: new hwmon driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Link: https://lore.kernel.org/r/20200303101608.kqjwfcazu2ylhi2a@kili.mountain
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge Linux stable release v5.4.24 into imx_5.4.y
* tag 'v5.4.24': (3306 commits)
Linux 5.4.24
blktrace: Protect q->blk_trace with RCU
kvm: nVMX: VMWRITE checks unsupported field before read-only field
...
Signed-off-by: Jason Liu <jason.hui.liu@nxp.com>
Conflicts:
arch/arm/boot/dts/imx6sll-evk.dts
arch/arm/boot/dts/imx7ulp.dtsi
arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
drivers/clk/imx/clk-composite-8m.c
drivers/gpio/gpio-mxc.c
drivers/irqchip/Kconfig
drivers/mmc/host/sdhci-of-esdhc.c
drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
drivers/net/can/flexcan.c
drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
drivers/net/ethernet/mscc/ocelot.c
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
drivers/net/phy/realtek.c
drivers/pci/controller/mobiveil/pcie-mobiveil-host.c
drivers/perf/fsl_imx8_ddr_perf.c
drivers/tee/optee/shm_pool.c
drivers/usb/cdns3/gadget.c
kernel/sched/cpufreq.c
net/core/xdp.c
sound/soc/fsl/fsl_esai.c
sound/soc/fsl/fsl_sai.c
sound/soc/sof/core.c
sound/soc/sof/imx/Kconfig
sound/soc/sof/loader.c
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commit cf2b012c90e74e85d8aea7d67e48868069cfee0c upstream.
Change 21537dc driver PMBus polling of MFR_COMMON from bits 5/4 to
bits 6/5. This fixs a LTC297X family bug where polling always returns
not busy even when the part is busy. This fixes a LTC388X and
LTM467X bug where polling used PEND and NOT_IN_TRANS, and BUSY was
not polled, which can lead to NACKing of commands. LTC388X and
LTM467X modules now poll BUSY and PEND, increasing reliability by
eliminating NACKing of commands.
Signed-off-by: Mike Jones <michael-a1.jones@analog.com>
Link: https://lore.kernel.org/r/1580234400-2829-2-git-send-email-michael-a1.jones@analog.com
Fixes: e04d1ce9bbb49 ("hwmon: (ltc2978) Add polling for chips requiring it")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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