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[ Upstream commit 7da8a635436029957c5350da3acf51d78ed64071 ]
When the lock bit inside SCH5627_REG_CTRL is set, then the virtual
registers become read-only until the next power cycle.
Disallow write access to those registers in such a case.
Tested on a Fujitsu Esprimo P720.
Fixes: aa9f833dfc12 ("hwmon: (sch5627) Add pwmX_auto_channels_temp support")
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20230907052639.16491-3-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 7f0b28e0653f36b51542d25dd54ed312c397ecfc ]
Use bit macros then accessing SCH5627_REG_CTRL, so that people
do not need to look at the datasheet to find out what each bit
does.
Tested on a Fujitsu Esprimo P720.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20230907052639.16491-2-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Stable-dep-of: 7da8a6354360 ("hwmon: (sch5627) Disallow write access if virtual registers are locked")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit d621a46d05107f4e510383d6a38f2160c62d28f7 ]
This reverts commit 393935baa45e5ccb9603cf7f9f020ed1bc0915f7.
As reported by Ian Nartowicz, this and the next patch
result in a failure to load the driver on Celsius W280.
While the alternative would be to add the board to the DMI
override table, it is quite likely that other systems are
also affected. Revert the offending patches to avoid future
problems.
Fixes: 393935baa45e ("hwmon: (sch56xx-common) Add automatic module loading on supported devices")
Reported-by: Ian Nartowicz <deadbeef@nartowicz.co.uk>
Closes: https://lore.kernel.org/linux-hwmon/20231025192239.3c5389ae@debian.org/T/#t
Cc: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 28da9dee3594423534f3ea1e1f61e6bb2d2fa651 ]
This reverts commit fd2d53c367ae9983c2100ac733a834e0c79d7537.
As reported by Ian Nartowicz, this and the preceding patch
result in a failure to load the driver on Celsius W280.
While the alternative would be to add the board to the DMI
override table, it is quite likely that other systems are
also affected. Revert the offending patches to avoid future
problems.
Fixes: fd2d53c367ae ("hwmon: (sch56xx-common) Add DMI override table")
Reported-by: Ian Nartowicz <deadbeef@nartowicz.co.uk>
Closes: https://lore.kernel.org/linux-hwmon/20231025192239.3c5389ae@debian.org/T/#t
Cc: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit bbfff736d30e5283ad09e748caff979d75ddef7f ]
When build with W=1 and "-Werror=format-truncation", below error is
observed in coretemp driver,
drivers/hwmon/coretemp.c: In function 'create_core_data':
>> drivers/hwmon/coretemp.c:393:34: error: '%s' directive output may be truncated writing likely 5 or more bytes into a region of size between 3 and 13 [-Werror=format-truncation=]
393 | "temp%d_%s", attr_no, suffixes[i]);
| ^~
drivers/hwmon/coretemp.c:393:26: note: assuming directive output of 5 bytes
393 | "temp%d_%s", attr_no, suffixes[i]);
| ^~~~~~~~~~~
drivers/hwmon/coretemp.c:392:17: note: 'snprintf' output 7 or more bytes (assuming 22) into a destination of size 19
392 | snprintf(tdata->attr_name[i], CORETEMP_NAME_LENGTH,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
393 | "temp%d_%s", attr_no, suffixes[i]);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
Given that
1. '%d' could take 10 charactors,
2. '%s' could take 10 charactors ("crit_alarm"),
3. "temp", "_" and the NULL terminator take 6 charactors,
fix the problem by increasing CORETEMP_NAME_LENGTH to 28.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Fixes: 7108b80a542b ("hwmon/coretemp: Handle large core ID value")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202310200443.iD3tUbbK-lkp@intel.com/
Link: https://lore.kernel.org/r/20231025122316.836400-1-rui.zhang@intel.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 2a5b3370a1d9750eca325292e291c8c7cb8cf2e0 ]
axi_fan_control_irq_handler(), dependent on the private
axi_fan_control_data structure, might be called before the hwmon
device is registered. That will cause an "Unable to handle kernel
NULL pointer dereference" error.
Fixes: 8412b410fa5e ("hwmon: Support ADI Fan Control IP")
Signed-off-by: Dragos Bogdan <dragos.bogdan@analog.com>
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20231025132100.649499-1-nuno.sa@analog.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
commit 920057ad521dc8669e534736c2a12c14ec9fb2d7 upstream.
In the regmap conversion in commit 4ef2774511dc ("hwmon: (nct6775)
Convert register access to regmap API") I reused the 'reg' variable
for all three register reads in the fan speed calculation loop in
nct6775_update_device(), but failed to notice that the value from the
first one (data->REG_FAN[i]) is actually used in the call to
nct6775_select_fan_div() at the end of the loop body. Since that
patch the register value passed to nct6775_select_fan_div() has been
(conditionally) incorrectly clobbered with the value of a different
register than intended, which has in at least some cases resulted in
fan speeds being adjusted down to zero.
Fix this by using dedicated temporaries for the two intermediate
register reads instead of 'reg'.
Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Fixes: 4ef2774511dc ("hwmon: (nct6775) Convert register access to regmap API")
Reported-by: Thomas Zajic <zlatko@gmx.at>
Tested-by: Thomas Zajic <zlatko@gmx.at>
Cc: stable@vger.kernel.org # v5.19+
Link: https://lore.kernel.org/r/20230929200822.964-2-zev@bewilderbeest.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here is the big set of char/misc and other small driver subsystem
changes for 6.6-rc1.
Stuff all over the place here, lots of driver updates and changes and
new additions. Short summary is:
- new IIO drivers and updates
- Interconnect driver updates
- fpga driver updates and additions
- fsi driver updates
- mei driver updates
- coresight driver updates
- nvmem driver updates
- counter driver updates
- lots of smaller misc and char driver updates and additions
All of these have been in linux-next for a long time with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the big set of char/misc and other small driver subsystem
changes for 6.6-rc1.
Stuff all over the place here, lots of driver updates and changes and
new additions. Short summary is:
- new IIO drivers and updates
- Interconnect driver updates
- fpga driver updates and additions
- fsi driver updates
- mei driver updates
- coresight driver updates
- nvmem driver updates
- counter driver updates
- lots of smaller misc and char driver updates and additions
All of these have been in linux-next for a long time with no reported
problems"
* tag 'char-misc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (267 commits)
nvmem: core: Notify when a new layout is registered
nvmem: core: Do not open-code existing functions
nvmem: core: Return NULL when no nvmem layout is found
nvmem: core: Create all cells before adding the nvmem device
nvmem: u-boot-env:: Replace zero-length array with DECLARE_FLEX_ARRAY() helper
nvmem: sec-qfprom: Add Qualcomm secure QFPROM support
dt-bindings: nvmem: sec-qfprom: Add bindings for secure qfprom
dt-bindings: nvmem: Add compatible for QCM2290
nvmem: Kconfig: Fix typo "drive" -> "driver"
nvmem: Explicitly include correct DT includes
nvmem: add new NXP QorIQ eFuse driver
dt-bindings: nvmem: Add t1023-sfp efuse support
dt-bindings: nvmem: qfprom: Add compatible for MSM8226
nvmem: uniphier: Use devm_platform_get_and_ioremap_resource()
nvmem: qfprom: do some cleanup
nvmem: stm32-romem: Use devm_platform_get_and_ioremap_resource()
nvmem: rockchip-efuse: Use devm_platform_get_and_ioremap_resource()
nvmem: meson-mx-efuse: Convert to devm_platform_ioremap_resource()
nvmem: lpc18xx_otp: Convert to devm_platform_ioremap_resource()
nvmem: brcm_nvram: Use devm_platform_get_and_ioremap_resource()
...
- New drivers
* Driver for Renesas HS3001
- Chip support added to existing drivers
* pmbus/mp2975 driver now supports MP2971 and MP2973
- Functional improvements
* Additional voltage and temperature sensor support for
NCT6798/NCT6799 in nt6755 driver
* it87 driver now detects AMDTSI sensor type
* dimmtemp now supports more than 32 DIMMs
- Driver removals
* sm665 driver removed as unsupportable and long since obsolete
- Minor fixes, cleanups, and simplifications in several drivers
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Merge tag 'hwmon-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"New drivers:
- Renesas HS3001
Chip support added to existing drivers:
- pmbus/mp2975 driver now supports MP2971 and MP2973
Functional improvements:
- Additional voltage and temperature sensor support for
NCT6798/NCT6799 in nt6755 driver
- it87 driver now detects AMDTSI sensor type
- dimmtemp now supports more than 32 DIMMs
Driver removals:
- sm665 driver removed as unsupportable and long since obsolete
.. and minor fixes, cleanups, and simplifications in several drivers"
* tag 'hwmon-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (57 commits)
hwmon: (tmp513) Simplify probe()
hwmon: (tmp513) Fix the channel number in tmp51x_is_visible()
hwmon: (mlxreg-fan) Extend number of supported fans
hwmon: (sis5595) Do PCI error checks on own line
hwmon: (vt8231) Do PCI error checks on own line
hwmon: (via686a) Do PCI error checks on own line
hwmon: pmbus: Fix -EIO seen on pli1209
hwmon: pmbus: Drop unnecessary clear fault page
hwmon: pmbus: Reduce clear fault page invocations
hwmon: (nsa320-hwmon) Remove redundant of_match_ptr()
hwmon: (pmbus/ucd9200) fix Wvoid-pointer-to-enum-cast warning
hwmon: (pmbus/ucd9000) fix Wvoid-pointer-to-enum-cast warning
hwmon: (pmbus/tps53679) fix Wvoid-pointer-to-enum-cast warning
hwmon: (pmbus/ibm-cffps) fix Wvoid-pointer-to-enum-cast warning
hwmon: (tmp513) fix Wvoid-pointer-to-enum-cast warning
hwmon: (max6697) fix Wvoid-pointer-to-enum-cast warning
hwmon: (max20730) fix Wvoid-pointer-to-enum-cast warning
hwmon: (lm90) fix Wvoid-pointer-to-enum-cast warning
hwmon: (lm85) fix Wvoid-pointer-to-enum-cast warning
hwmon: (lm75) fix Wvoid-pointer-to-enum-cast warning
...
the respective drivers
- Update HPE Superdome Flex maintainers list
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Merge tag 'x86_misc_for_v6.6_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 updates from Borislav Petkov:
- Add PCI device IDs for a new AMD family 0x1a CPUs and use them in the
respective drivers
- Update HPE Superdome Flex maintainers list
* tag 'x86_misc_for_v6.6_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/uv: Update HPE Superdome Flex Maintainers
EDAC/amd64: Add support for AMD family 1Ah models 00h-1Fh and 40h-4Fh
hwmon: (k10temp) Add thermal support for AMD Family 1Ah-based models
x86/amd_nb: Add PCI IDs for AMD Family 1Ah-based models
Simpilfy probe() by replacing device_get_match_data() and id lookup for
retrieving match data by i2c_get_match_data().
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20230824204456.401580-3-biju.das.jz@bp.renesas.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Some new big modular systems can be equipped with up to 24 fans.
Extend maximum number of fans accordingly.
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Link: https://lore.kernel.org/r/20230824164006.26868-1-vadimp@nvidia.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Instead of if conditions with line splits, use the usual error handling
pattern with a separate variable to improve readability. Handle error
print with a label instead of trying to chain everything into a single
if condition.
No functional changes intended.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20230824132832.78705-14-ilpo.jarvinen@linux.intel.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Instead of if conditions with line splits, use the usual error handling
pattern with a separate variable to improve readability.
No functional changes intended.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20230824132832.78705-7-ilpo.jarvinen@linux.intel.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Instead of if conditions with line splits, use the usual error handling
pattern with a separate variable to improve readability.
No functional changes intended.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20230824132832.78705-6-ilpo.jarvinen@linux.intel.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
After doing performance optimizations the pli1209 driver failed to
probe with a probabilty of 2%. It wasn't able to read the PMBUS_OPERATION
register due to an -EIO error.
An investigation showed that the PLI1209 takes 230 usec to execute the
CLEAR_FAULTS command. During that time it's busy and NACKs all requests
on the SMBUS interface. It also NACKs reads on PMBUS_STATUS_BYTE
making it impossible to poll the BUSY flag.
Add a custom write_data function to just wait for not BUSY unconditionally
after sending a CLEAR_FAULTS command.
TEST: Verified using an I2C bus analyser that no more NACKs are seen after
sending a CLEAR_FAULTS command.
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Naresh Solanki <Naresh.Solanki@9elements.com>
Link: https://lore.kernel.org/r/20230817092527.808631-3-Naresh.Solanki@9elements.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The pmbus_check_byte_register function already calls clear
fault page, so there's no need to do it again in
pmbus_identify_common.
TEST: Verified using an I2C bus analyser to confirm that only
one clear fault page is being send instead of two in a row.
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Naresh Solanki <Naresh.Solanki@9elements.com>
Link: https://lore.kernel.org/r/20230817092527.808631-2-Naresh.Solanki@9elements.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Observing I2C traffic revealed consecutive transmission of CLEAR_FAULT
commands. While this doesn't cause issues, it extends driver probe time.
Avoid invoking pmbus_clear_fault_page for virtual registers, as they're
managed by the driver, not the chip.
TEST: Verified using an I2C bus analyzer that only one CLEAR_FAULT
command is send instead 5 in a row.
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Naresh Solanki <Naresh.Solanki@9elements.com>
Link: https://lore.kernel.org/r/20230817092527.808631-1-Naresh.Solanki@9elements.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
'chip' is an enum, thus cast of pointer on 64-bit compile test with W=1
causes:
ucd9200.c:106:10: error: cast to smaller integer type 'enum chips' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230810093157.94244-15-krzysztof.kozlowski@linaro.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
'chip' is an enum, thus cast of pointer on 64-bit compile test with W=1
causes:
ucd9000.c:591:10: error: cast to smaller integer type 'enum chips' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230810093157.94244-14-krzysztof.kozlowski@linaro.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
'chip_id' is an enum, thus cast of pointer on 64-bit compile test with W=1
causes:
tps53679.c:238:13: error: cast to smaller integer type 'enum chips' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230810093157.94244-13-krzysztof.kozlowski@linaro.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
'vs' is an enum, thus cast of pointer on 64-bit compile test with W=1
causes:
ibm-cffps.c:492:8: error: cast to smaller integer type 'enum versions' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230810093157.94244-12-krzysztof.kozlowski@linaro.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
'id' is an enum, thus cast of pointer on 64-bit compile test with W=1
causes:
tmp513.c:724:14: error: cast to smaller integer type 'enum tmp51x_ids' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230810093157.94244-11-krzysztof.kozlowski@linaro.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
'type' is an enum, thus cast of pointer on 64-bit compile test with W=1
causes:
max6697.c:705:16: error: cast to smaller integer type 'enum chips' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230810093157.94244-10-krzysztof.kozlowski@linaro.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
'chip_id' is an enum, thus cast of pointer on 64-bit compile test with W=1
causes:
max20730.c:719:13: error: cast to smaller integer type 'enum chips' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230810093157.94244-9-krzysztof.kozlowski@linaro.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
'kind' is an enum, thus cast of pointer on 64-bit compile test with W=1
causes:
lm90.c:2768:16: error: cast to smaller integer type 'enum chips' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230810093157.94244-8-krzysztof.kozlowski@linaro.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
'type' is an enum, thus cast of pointer on 64-bit compile test with W=1
causes:
lm85.c:1562:16: error: cast to smaller integer type 'enum chips' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230810093157.94244-7-krzysztof.kozlowski@linaro.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
'kind' is an enum, thus cast of pointer on 64-bit compile test with W=1
causes:
lm75.c:581:10: error: cast to smaller integer type 'enum lm75_type' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230810093157.94244-6-krzysztof.kozlowski@linaro.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
'kind' is an enum, thus cast of pointer on 64-bit compile test with W=1
causes:
lm63.c:1108:16: error: cast to smaller integer type 'enum chips' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230810093157.94244-5-krzysztof.kozlowski@linaro.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
'chip' is an enum, thus cast of pointer on 64-bit compile test with W=1
causes:
ina2xx.c:627:10: error: cast to smaller integer type 'enum ina2xx_ids' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230810093157.94244-4-krzysztof.kozlowski@linaro.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
'chip' is an enum, thus cast of pointer on 64-bit compile test with W=1
causes:
ads7828.c:142:10: error: cast to smaller integer type 'enum ads7828_chips' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230810093157.94244-3-krzysztof.kozlowski@linaro.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
'type' is an enum, thus cast of pointer on 64-bit compile test with W=1
causes:
ad7418.c:256:16: error: cast to smaller integer type 'enum chips' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230810093157.94244-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
'chip' is an enum, thus cast of pointer on 64-bit compile test with W=1
causes:
adt7475.c:1655:10: error: cast to smaller integer type 'enum chips' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230810093157.94244-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Additional TEMP registers for nct6798d, nct6799d-r and nct6796d-s
This allows the max/max_hyst/crit attributes to be shown/stored
* Increase NUM_TEMP from 10 to 12
* Separate TEMP/MON_TEMP/OVER/HYST/CRIT registers
* Rename "PECI Calibration" to include "TSI" too
* Update ALARM/BEEP bits for temps for 6799
* For 6799, keep temp_fixed_num at 6, but increase
num_temp_alarms/num_temp_beeps to 7/8
Tested with NCT6799D-R showing additional sysfs attributes:
* temp3-temp8: max/max_hyst/beep/alarm
* temp3-temp6: crit/offset
Signed-off-by: Ahmad Khalifa <ahmad@khalifa.ws>
Link: https://lore.kernel.org/r/20230802185820.3642399-1-ahmad@khalifa.ws
[groeck: Addressed cosmetic checkpatch complaints]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add base support for Renesas HS3001 temperature
and humidity sensors and its compatibles HS3002,
HS3003 and HS3004.
The sensor has a fix I2C address 0x44. The resolution
is fixed to 14bit (ref. Missing feature).
Missing feature:
- Accessing non-volatile memory: Custom board has no
possibility to control voltage supply of sensor. Thus,
we cannot send the necessary control commands within
the first 10ms after power-on.
Signed-off-by: Andre Werner <andre.werner@systec-electronic.com>
Link: https://lore.kernel.org/r/20230725042207.22310-2-andre.werner@systec-electronic.com
[groeck: Cosmetic documentation fixup; added documentation to index;
replaced probe_new with probe dropped unused variable]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The following warning is given by the Smatch static checker:
drivers/hwmon/hp-wmi-sensors.c:1937 hp_wmi_sensors_init()
error: uninitialized symbol 'pevents'.
If there are no instances of the HPBIOS_PlatformEvents WMI object
available, init_platform_events() never initializes this pointer,
which may then be passed to hp_wmi_debugfs_init() uninitialized.
The impact should be limited because hp_wmi_debugfs_init() uses this
pointer only if the count of HPBIOS_PlatformEvents instances is _not_
zero, while conversely, it will be uninitialized only if the count of
such instances _is_ zero. However, passing it uninitialized still
constitutes a bug.
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/linux-hwmon/f72c129b-8c57-406a-bf41-bd889b65ea0f@moroto.mountain/
Signed-off-by: James Seo <james@equiv.tech>
Link: https://lore.kernel.org/r/20230725094817.588640-1-james@equiv.tech
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Commit 2a2b13ae50cf ("platform/x86: wmi: Allow retrieving the number of
WMI object instances") means we no longer need to find this ourselves.
Signed-off-by: James Seo <james@equiv.tech>
Link: https://lore.kernel.org/r/20230722172513.9324-2-james@equiv.tech
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
* Add additional VIN/IN_MIN/IN_MAX register values
* Separate ALARM/BEEP bits for nct6799
* Update scaling factors for nct6799
Registers/alarms match for NCT6796D-S and NCT6799D-R
Tested on NCT6799D-R for new IN/MIN/MAX and ALARMS
Signed-off-by: Ahmad Khalifa <ahmad@khalifa.ws>
Link: https://lore.kernel.org/r/20230719224142.411237-1-ahmad@khalifa.ws
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
MP2973 & MP2971 return PGOOD instead of PB_STATUS_POWER_GOOD_N.
Fix that in the read_word_data hook.
MP2975 should not be affected, but that has not been confirmed with
hardware.
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Naresh Solanki <Naresh.Solanki@9elements.com>
Link: https://lore.kernel.org/r/20230731092204.2933045-1-Naresh.Solanki@9elements.com
[groeck: Rephrased description to indicate that MP2975 is likely not affected]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for PMBUS_IOUT_OC_FAULT_LIMIT.
Add a helper function to convert the limit to LINEAR11 format
and read data->info.phases[0] on MP2971 and MP2973 as well.
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Naresh Solanki <Naresh.Solanki@9elements.com>
Link: https://lore.kernel.org/r/20230714135124.2645339-8-Naresh.Solanki@9elements.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support to expose the PMBUS regulator.
Tested on MP2973 and MP2971.
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Naresh Solanki <Naresh.Solanki@9elements.com>
Link: https://lore.kernel.org/r/20230714135124.2645339-7-Naresh.Solanki@9elements.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for MP2971 and MP2973, the successor of MP2975.
The major differences are:
- On MP2973 and MP2971 the Vref cannot be read and thus most of
the OVP/current calculations won't work.
- MP2973 and MP2971 also support LINEAR format for VOUT
- MP2973 and MP2971 do not support OVP2
- On MP2973 and MP2971 most registers are in LINEAR format
- The IMVP9_EN bit has a different position
- Per phase current sense haven't been implemented.
As on MP2975 most of the FAULT_LIMIT and WARN_LIMIT registers
have been redefined and doesn't provide the functionality as
defined in PMBUS spec.
Tested on MP2973 and MP2971.
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Naresh Solanki <Naresh.Solanki@9elements.com>
Link: https://lore.kernel.org/r/20230714135124.2645339-6-Naresh.Solanki@9elements.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
In order to add support for MP2973 and MP2971 replace hardcoded
phase count for both channels by a variable.
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Naresh Solanki <Naresh.Solanki@9elements.com>
Link: https://lore.kernel.org/r/20230714135124.2645339-5-Naresh.Solanki@9elements.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
In order to upstream MP2973/MP2971 simplify the code by removing support
for various VOUT formats. The MP2973 and MP2971 supports all PMBUS
supported formats for VOUT, while the MP2975 only support DIRECT and
VID for VOUT.
In DIRECT mode all chips report the voltage in 1mV/LSB.
Configure the chip to use DIRECT format for VOUT and drop the code
conversion code for other formats. The to be added chips MP2973/MP2971
will be configured to also report VOUT in DIRECT format.
The maximum voltage that can be reported in DIRECT format is 32768mV.
This is sufficient as the maximum output voltage for VR12/VR13 is
3040 mV.
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Naresh Solanki <Naresh.Solanki@9elements.com>
Link: https://lore.kernel.org/r/20230714135124.2645339-4-Naresh.Solanki@9elements.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
