summaryrefslogtreecommitdiff
path: root/drivers/hwmon
AgeCommit message (Collapse)AuthorFilesLines
2021-05-20Merge tag 'char-misc-5.13-rc3' of ↵Linus Torvalds1-9/+2
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver fixes from Greg KH: "Here is a big set of char/misc/other driver fixes for 5.13-rc3. The majority here is the fallout of the umn.edu re-review of all prior submissions. That resulted in a bunch of reverts along with the "correct" changes made, such that there is no regression of any of the potential fixes that were made by those individuals. I would like to thank the over 80 different developers who helped with the review and fixes for this mess. Other than that, there's a few habanna driver fixes for reported issues, and some dyndbg fixes for reported problems. All of these have been in linux-next for a while with no reported problems" * tag 'char-misc-5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (82 commits) misc: eeprom: at24: check suspend status before disable regulator uio_hv_generic: Fix another memory leak in error handling paths uio_hv_generic: Fix a memory leak in error handling paths uio/uio_pci_generic: fix return value changed in refactoring Revert "Revert "ALSA: usx2y: Fix potential NULL pointer dereference"" dyndbg: drop uninformative vpr_info dyndbg: avoid calling dyndbg_emit_prefix when it has no work binder: Return EFAULT if we fail BINDER_ENABLE_ONEWAY_SPAM_DETECTION cdrom: gdrom: initialize global variable at init time brcmfmac: properly check for bus register errors Revert "brcmfmac: add a check for the status of usb_register" video: imsttfb: check for ioremap() failures Revert "video: imsttfb: fix potential NULL pointer dereferences" net: liquidio: Add missing null pointer checks Revert "net: liquidio: fix a NULL pointer dereference" media: gspca: properly check for errors in po1030_probe() Revert "media: gspca: Check the return value of write_bridge for timeout" media: gspca: mt9m111: Check write_bridge for timeout Revert "media: gspca: mt9m111: Check write_bridge for timeout" media: dvb: Add check on sp8870_readreg return ...
2021-05-18hwmon: (max6621) Fix fall-through warnings for ClangGustavo A. R. Silva1-1/+1
In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning by explicitly adding a break statement instead of letting the code fall through to the next case. Link: https://github.com/KSPP/linux/issues/115 Acked-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2021-05-18hwmon: (corsair-cpro) Fix fall-through warnings for ClangGustavo A. R. Silva1-0/+1
In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning by explicitly adding a break statement instead of letting the code fall through to the next case. Link: https://github.com/KSPP/linux/issues/115 Acked-by: Guenter Roeck <linux@roeck-us.net> Marius Zachmann <mail@mariuszachmann.de> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2021-05-18hwmon/pmbus: (q54sj108a2) The PMBUS_MFR_ID is actually 6 chars instead of 5Chu Lin1-1/+1
The PMBUS_MFR_ID block is actually 6 chars for q54sj108a2. /sys/bus/i2c/drivers/q54sj108a2_test# iotools smbus_read8 $BUS $ADDR 0x99 0x06 Tested: Devices are able to bind to the q54sj108a2 driver successfully. Signed-off-by: Chu Lin <linchuyuan@google.com> Link: https://lore.kernel.org/r/20210517222606.3457594-1-linchuyuan@google.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-05-17hwmon: (pmbus/isl68137) remove READ_TEMPERATURE_3 for RAA228228Grant Peltier1-2/+2
The initial version of the RAA228228 datasheet claimed that the device supported READ_TEMPERATURE_3 but not READ_TEMPERATURE_1. It has since been discovered that the datasheet was incorrect. The RAA228228 does support READ_TEMPERATURE_1 but does not support READ_TEMPERATURE_3. Signed-off-by: Grant Peltier <grantpeltier93@gmail.com> Fixes: 51fb91ed5a6f ("hwmon: (pmbus/isl68137) remove READ_TEMPERATURE_1 telemetry for RAA228228") Link: https://lore.kernel.org/r/20210514211954.GA24646@raspberrypi Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-05-17hwmon: (pmbus/fsp-3y) Fix FSP-3Y YH-5151E VOUTVáclav Kubernát1-7/+25
After testing new YH-5151E devices, we found out that not all YH-5151E work the same. The newly tested devices actually report vout correctly in linear16 (even though they're still YH-5151E). We suspect that it is because these new devices have a different firmware version, but that is unconfirmed. The version cannot be queried through PMBus. The compliant versions of YH-5151E report VOUT_MODE normally, so we turn on the linear11 workaround only if VOUT_MODE doesn't report anything. Signed-off-by: Václav Kubernát <kubernat@cesnet.cz> Link: https://lore.kernel.org/r/20210513201110.313523-1-kubernat@cesnet.cz Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-05-17hwmon: (dell-smm-hwmon) Fix index valuesArmin Wolf1-2/+2
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>
2021-05-13Revert "hwmon: (lm80) fix a missing check of bus read in lm80 probe"Greg Kroah-Hartman1-9/+2
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>
2021-05-13hwmon: (adm9240) Fix writes into inX_max attributesGuenter Roeck1-1/+1
When converting the driver to use the devm_hwmon_device_register_with_info API, the wrong register was selected when writing into inX_max attributes. Fix it. Fixes: 124b7e34a5a6 ("hwmon: (adm9240) Convert to devm_hwmon_device_register_with_info API") Reported-by: Chris Packham <Chris.Packham@alliedtelesis.co.nz> Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-05-10hwmon: (ltc2992) Put fwnode in error case during ->probe()Andy Shevchenko1-2/+6
In each iteration fwnode_for_each_available_child_node() bumps a reference counting of a loop variable followed by dropping in on a next iteration, Since in error case the loop is broken, we have to drop a reference count by ourselves. Do it for port_fwnode in error case during ->probe(). Fixes: b0bd407e94b0 ("hwmon: (ltc2992) Add support") Cc: Alexandru Tachici <alexandru.tachici@analog.com> Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20210510100136.3303142-1-andy.shevchenko@gmail.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-05-10hwmon: (pmbus/fsp-3y) Fix FSP-3Y YH-5151E non-compliant vout encodingVáclav Kubernát1-2/+25
I didn't properly test the driver for YH-5151E, so it was completely broken. Firstly, the log/real mapping was incorrect in one case. Secondly, PMBus specifies that output voltages should be in the linear16 encoding. However, the YH-5151E is non-compliant and uses linear11. YM-2151E isn't affected by this. Fix this by converting the values inside the read functions. linear16 gets the exponent from the VOUT_MODE command. The device doesn't support it, so I have to manually supply the value for it. Both supported devices have now been tested to report correct vout values. Fixes: 1734b4135a62 ("hwmon: Add driver for fsp-3y PSUs and PDUs") Signed-off-by: Václav Kubernát <kubernat@cesnet.cz> Link: https://lore.kernel.org/r/20210429075337.110502-1-kubernat@cesnet.cz Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-05-10hwmon: (occ) Fix poll rate limitingEddie James2-3/+4
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>
2021-05-10hwmon: (corsair-psu) Remove unneeded semicolonsWan Jiabing1-2/+2
Fix the following coccicheck warning: ./drivers/hwmon/corsair-psu.c:379:2-3: Unneeded semicolon Remove unneeded semicolons. Signed-off-by: Wan Jiabing <wanjiabing@vivo.com> Link: https://lore.kernel.org/r/20210427044219.7799-1-wanjiabing@vivo.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-27Merge tag 'acpi-5.13-rc1' of ↵Linus Torvalds1-10/+19
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI updates from Rafael Wysocki: "These update the ACPICA code in the kernel to the most recent upstream revision including (but not limited to) new material introduced in the 6.4 version of the spec, update message printing in the ACPI-related code, address a few issues and clean up code in a number of places. Specifics: - Update ACPICA code in the kernel to upstream revision 20210331 including the following changes: * Add parsing for IVRS IVHD 40h and device entry F0h (Alexander Monakov). * Add new CEDT table for CXL 2.0 and iASL support for it (Ben Widawsky, Bob Moore). * NFIT: add Location Cookie field (Bob Moore). * HMAT: add new fields/flags (Bob Moore). * Add new flags in SRAT (Bob Moore). * PMTT: add new fields/structures (Bob Moore). * Add CSI2Bus resource template (Bob Moore). * iASL: Decode subtable type field for VIOT (Bob Moore). * Fix various typos and spelling mistakes (Colin Ian King). * Add new predefined objects _BPC, _BPS, and _BPT (Erik Kaneda). * Add USB4 capabilities UUID (Erik Kaneda). * Add CXL ACPI device ID and _CBR object (Erik Kaneda). * MADT: add Multiprocessor Wakeup Structure (Erik Kaneda). * PCCT: add support for subtable type 5 (Erik Kaneda). * PPTT: add new version of subtable type 1 (Erik Kaneda). * Add SDEV secure access components (Erik Kaneda). * Add support for PHAT table (Erik Kaneda). * iASL: Add definitions for the VIOT table (Jean-Philippe Brucker). * acpisrc: Add missing conversion for VIOT support (Jean-Philippe Brucker). * IORT: Updates for revision E.b (Shameer Kolothum). - Rearrange message printing in ACPI-related code to avoid using the ACPICA's internal message printing macros outside ACPICA and do some related code cleanups (Rafael Wysocki). - Modify the device enumeration code to turn off all of the unused ACPI power resources at the end (Rafael Wysocki). - Change the ACPI power resources handling code to turn off unused ACPI power resources without checking their status which should not be necessary by the spec (Rafael Wysocki). - Add empty stubs for CPPC-related functions to be used when CONFIG_ACPI_CPPC_LIB is not set (Rafael Wysocki). - Simplify device enumeration code (Rafael Wysocki). - Change device enumeration code to use match_string() for string matching (Andy Shevchenko). - Modify irqresource_disabled() to retain the resouce flags that have been set already (Angela Czubak). - Add native backlight whitelist entry for GA401/GA502/GA503 (Luke Jones). - Modify the ACPI backlight driver to let the native backlight handling take over on hardware-reduced systems (Hans de Goede). - Introduce acpi_dev_get() and switch over the ACPI core code to using it (Andy Shevchenko). - Use kobj_attribute as callback argument instead of a local struct type in the CPPC linrary code (Nathan Chancellor). - Drop unneeded initializatio of a static variable from the ACPI processor driver (Tian Tao). - Drop unnecessary local variable assignment from the ACPI APEI code (Colin Ian King). - Document for_each_acpi_dev_match() macro (Andy Shevchenko). - Address assorted coding style issues in multiple places (Xiaofei Tan). - Capitalize TLAs in a few comments (Andy Shevchenko). - Correct assorted typos in comments (Tom Saeger)" * tag 'acpi-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (68 commits) ACPI: video: use native backlight for GA401/GA502/GA503 ACPI: APEI: remove redundant assignment to variable rc ACPI: utils: Capitalize abbreviations in the comments ACPI: utils: Document for_each_acpi_dev_match() macro ACPI: bus: Introduce acpi_dev_get() and reuse it in ACPI code ACPI: scan: Utilize match_string() API resource: Prevent irqresource_disabled() from erasing flags ACPI: CPPC: Replace cppc_attr with kobj_attribute ACPI: scan: Call acpi_get_object_info() from acpi_set_pnp_ids() ACPI: scan: Drop sta argument from acpi_init_device_object() ACPI: scan: Drop sta argument from acpi_add_single_object() ACPI: scan: Rearrange checks in acpi_bus_check_add() ACPI: scan: Fold acpi_bus_type_and_status() into its caller ACPI: video: Check LCD flag on ACPI-reduced-hardware devices ACPI: utils: Add acpi_reduced_hardware() helper ACPI: dock: fix some coding style issues ACPI: sysfs: fix some coding style issues ACPI: PM: add a missed blank line after declarations ACPI: custom_method: fix a coding style issue ACPI: CPPC: fix some coding style issues ...
2021-04-27Merge tag 'hwmon-for-v5.13' of ↵Linus Torvalds78-1496/+2665
git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull hwmon updates from Guenter Roeck: "The most notable change is the removal of the amd_energy driver. It was rendered all but unusable by making its attributes privileged-only to work around a security issue. A suggested remedy was rejected by AMD, so the only real solution was to remove the driver. For the future, we'll have to make sure that no privileged-access-only drivers are accepted into the hwmon subsystem in the first place. The hwmon ABI document was updated accordingly. Other changes: PMBus drivers: - Added driver for MAX15301 - Added driver for BluTek BPA-RS600 - Added driver for fsp-3y PSUs and PDUs - Added driver for Infineon IR36021 - Added driver for ST STPDDC60 - Added support for TI TPS53676 to tps53679 driver - Introduced PMBUS symbol namespace. This was made necessary by a suggestion to use its exported functions from outside the hwmon subsystem. - Minor improvements and bug fixes New drivers: - Driver for NZXT Kraken X42/X52/X62/X72 Driver enhancements: - Added support for Intel D5005 to intel-m10-bmc-hwmon driver - Added support for NCT6686D to nct6683 driver Other: - Converted sch5627 and amd9240 drivers to hwmon_device_register_with_info() - Added support for fan drawers capability and present registers to mlxreg-fan driver - Added Dell Latitude E7440 to fan control whitelist in dell-smm driver - Replaced snprintf in show functions with sysfs_emit. Done with coccinelle script for all drivers to preempt endless per-driver submissions of the same change. - Use kobj_to_dev(). Another coccinelle based change to preempt endless per-driver submissions of the same change. - Various minor fixes and improvements" * tag 'hwmon-for-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (38 commits) hwmon: Remove amd_energy driver hwmon: Clarify scope of attribute access hwmon: (pmbus) Introduce PMBUS symbol namespace hwmon: (pmbus) Add pmbus driver for MAX15301 hwmon: (sch5627) Remove unnecessary error path hwmon: (sch5627) Use devres function hwmon: (pmbus/pxe1610) don't bail out when not all pages are active hwmon: Add driver for fsp-3y PSUs and PDUs hwmon: (intel-m10-bmc-hwmon) add sensor support of Intel D5005 card hwmon: (sch5627) Split sch5627_update_device() hwmon: (sch5627) Convert to hwmon_device_register_with_info() hwmon: (nct6683) remove useless function hwmon: (dell-smm) Add Dell Latitude E7440 to fan control whitelist MAINTAINERS: Add keyword pattern for hwmon registration functions hwmon: (mlxreg-fan) Add support for fan drawers capability and present registers hwmon: (pmbus/tps53679) Add support for TI TPS53676 dt-bindings: Add trivial device entry for TPS53676 hwmon: (ftsteutates) Rudimentary typo fixes hwmon: (pmbus) Add driver for BluTek BPA-RS600 dt-bindings: Add vendor prefix and trivial device for BluTek BPA-RS600 ...
2021-04-26Merge tag 'arm-drivers-5.13' of ↵Linus Torvalds1-9/+15
git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull ARM SoC driver updates from Arnd Bergmann: "Updates for SoC specific drivers include a few subsystems that have their own maintainers but send them through the soc tree: TEE/OP-TEE: - Add tracepoints around calls to secure world Memory controller drivers: - Minor fixes for Renesas, Exynos, Mediatek and Tegra platforms - Add debug statistics to Tegra20 memory controller - Update Tegra bindings and convert to dtschema ARM SCMI Firmware: - Support for modular SCMI protocols and vendor specific extensions - New SCMI IIO driver - Per-cpu DVFS The other driver changes are all from the platform maintainers directly and reflect the drivers that don't fit into any other subsystem as well as treewide changes for a particular platform. SoCFPGA: - Various cleanups contributed by Krzysztof Kozlowski Mediatek: - add MT8183 support to mutex driver - MMSYS: use per SoC array to describe the possible routing - add MMSYS support for MT8183 and MT8167 - add support for PMIC wrapper with integrated arbiter - add support for MT8192/MT6873 Tegra: - Bug fixes to PMC and clock drivers NXP/i.MX: - Update SCU power domain driver to keep console domain power on. - Add missing ADC1 power domain to SCU power domain driver. - Update comments for single global power domain in SCU power domain driver. - Add i.MX51/i.MX53 unique id support to i.MX SoC driver. NXP/FSL SoC driver updates for v5.13 - Add ACPI support for RCPM driver - Use generic io{read,write} for QE drivers after performance optimized for PowerPC - Fix QBMAN probe to cleanup HW states correctly for kexec - Various cleanup and style fix for QBMAN/QE/GUTS drivers OMAP: - Preparation to use devicetree for genpd - ti-sysc needs iorange check improved when the interconnect target module has no control registers listed - ti-sysc needs to probe l4_wkup and l4_cfg interconnects first to avoid issues with missing resources and unnecessary deferred probe - ti-sysc debug option can now detect more devices - ti-sysc now warns if an old incomplete devicetree data is found as we now rely on it being complete for am3 and 4 - soc init code needs to check for prcm and prm nodes for omap4/5 and dra7 - omap-prm driver needs to enable autoidle retention support for omap4 - omap5 clocks are missing gpmc and ocmc clock registers - pci-dra7xx now needs to use builtin_platform_driver instead of using builtin_platform_driver_probe for deferred probe to work Raspberry Pi: - Fix-up all RPi firmware drivers so as for unbind to happen in an orderly fashion - Support for RPi's PoE hat PWM bus Qualcomm - Improved detection for SCM calling conventions - Support for OEM specific wifi firmware path - Added drivers for SC7280/SM8350: RPMH, LLCC< AOSS QMP" * tag 'arm-drivers-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (165 commits) soc: aspeed: fix a ternary sign expansion bug memory: mtk-smi: Add device-link between smi-larb and smi-common memory: samsung: exynos5422-dmc: handle clk_set_parent() failure memory: renesas-rpc-if: fix possible NULL pointer dereference of resource clk: socfpga: fix iomem pointer cast on 64-bit soc: aspeed: Adapt to new LPC device tree layout pinctrl: aspeed-g5: Adapt to new LPC device tree layout ipmi: kcs: aspeed: Adapt to new LPC DTS layout ARM: dts: Remove LPC BMC and Host partitions dt-bindings: aspeed-lpc: Remove LPC partitioning soc: fsl: enable acpi support in RCPM driver soc: qcom: mdt_loader: Detect truncated read of segments soc: qcom: mdt_loader: Validate that p_filesz < p_memsz soc: qcom: pdr: Fix error return code in pdr_register_listener firmware: qcom_scm: Fix kernel-doc function names to match firmware: qcom_scm: Suppress sysfs bind attributes firmware: qcom_scm: Workaround lack of "is available" call on SC7180 firmware: qcom_scm: Reduce locking section for __get_convention() firmware: qcom_scm: Make __qcom_scm_is_call_available() return bool Revert "soc: fsl: qe: introduce qe_io{read,write}* wrappers" ...
2021-04-26Merge tag 'staging-5.13-rc1' of ↵Linus Torvalds1-9/+18
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging/IIO driver updates from Greg KH: "Here is the big set of staging and IIO driver updates for 5.13-rc1. Lots of little churn in here, and some larger churn as well. Major things are: - removal of wimax drivers, no one has this hardware anymore for this failed "experiment". - removal of the Google gasket driver, turns out no one wanted to maintain it or cares about it anymore, so they asked for it to be removed. - comedi finally moves out of the staging directory into drivers/comedi This is one of the oldest kernel subsystems around, being created in the 2.0 kernel days, and was one of the first things added to drivers/staging/ when that was created over 15 years ago. It should have been moved out of staging a long time ago, it's well maintained and used by loads of different devices in the real world every day. Nice to see this finally happen. - so many tiny coding style cleanups it's not funny. Perfect storm of at least 2 different intern project application deadlines combined to provide a huge number of new contributions in this area from people learning how to do kernel development. Great job to everyone involved here. There's also the normal updates for IIO drivers with new IIO drivers and updates all over that subsystem. All of these have been in linux-next for a while with no reported issues" * tag 'staging-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (907 commits) staging: octeon: Use 'for_each_child_of_node' Staging: rtl8723bs: rtw_xmit: fixed tabbing issue staging: rtl8188eu: remove unused function parameters staging: rtl8188eu: cmdThread is a task_struct staging: rtl8188eu: remove constant variable and dead code staging: rtl8188eu: change bLeisurePs' type to bool staging: rtl8723bs: remove empty #ifdef block staging: rtl8723bs: remove unused DBG_871X_LEVEL macro declarations staging: rtl8723bs: split too long line staging: rtl8723bs: fix indentation in if block staging: rtl8723bs: fix code indent issue staging: rtl8723bs: replace DBG_871X_LEVEL logs with netdev_*() staging: rtl8192e: indent statement properly staging: rtl8723bs: Remove led_blink_hdl() and everything related staging: comedi: move out of staging directory staging: rtl8723bs: remove sdio_drv_priv structure staging: rtl8723bs: remove unused argument in function staging: rtl8723bs: remove DBG_871X_SEL_NL macro declaration staging: rtl8723bs: replace DBG_871X_SEL_NL with netdev_dbg() staging: rtl8723bs: fix indentation issue introduced by long line split ...
2021-04-20hwmon: Remove amd_energy driverGuenter Roeck2-389/+0
Commit 60268b0e8258 ("hwmon: (amd_energy) modify the visibility of the counters") restricted visibility of AMD energy counters to work around a side-channel attack using energy data to determine which instructions are executed. The attack is described in 'PLATYPUS: Software-based Power Side-Channel Attacks on x86'. It relies on quick and accurate energy readings. This change made the counters provided by the amd_energy driver effectively unusable for non-provileged users. However, unprivileged read access is the whole point of hardware monitoring attributes. An attempt to remedy the situation by limiting and randomizing access to chip registers was rejected by AMD. Since the driver is for all practical purposes unusable, remove it. Cc: Naveen Krishna Chatradhi <nchatrad@amd.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (pmbus) Introduce PMBUS symbol namespaceGuenter Roeck36-19/+54
Exported pmbus symbols are only supposed to be used from PMBus code. Introduce PMBUS symbol namespace to prevent misuse from other code. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (pmbus) Add pmbus driver for MAX15301Erik Rosen3-0/+199
Add pmbus driver support for Maxim MAX15301 InTune Automatically Compensated Digital PoL Controller with Driver and PMBus Telemetry Even though the specification does not specifically mention it, extensive empirical testing has revealed that auto-detection of limit-registers will fail in a random fashion unless the delay parameter is set to above about 80us. The default delay is set to 100us to include some safety margin. This patch is tested on a Flex BMR461 converter module. Signed-off-by: Erik Rosen <erik.rosen@metormote.com> Link: https://lore.kernel.org/r/20210419101251.24840-1-erik.rosen@metormote.com [groeck: Added rationale for delay to driver header] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (sch5627) Remove unnecessary error pathArmin Wolf1-45/+25
Calling remove() on error whould have only unregistered the watchdog, and since a failure in registering him is considered non-fatal and happens last, remove the error path and return the error codes directly. Signed-off-by: Armin Wolf <W_Armin@gmx.de> Link: https://lore.kernel.org/r/20210417210920.15496-3-W_Armin@gmx.de Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (sch5627) Use devres functionArmin Wolf1-10/+5
Use devm_hwmon_device_register_with_info() and remove hwmon_dev from sch5627_data struct as it is not needed anymore. Signed-off-by: Armin Wolf <W_Armin@gmx.de> Link: https://lore.kernel.org/r/20210417210920.15496-2-W_Armin@gmx.de Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (pmbus/pxe1610) don't bail out when not all pages are activePaul Fertser1-0/+9
Certain VRs might be configured to use only the first output channel and so the mode for the second will be 0. Handle this gracefully. Fixes: b9fa0a3acfd8 ("hwmon: (pmbus/core) Add support for vid mode detection per page bases") Signed-off-by: Paul Fertser <fercerpav@gmail.com> Link: https://lore.kernel.org/r/20210416102926.13614-1-fercerpav@gmail.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: Add driver for fsp-3y PSUs and PDUsVáclav Kubernát3-0/+264
This patch adds support for these devices: - YH-5151E - the PDU - YM-2151E - the PSU The device datasheet says that the devices support PMBus 1.2, but in my testing, a lot of the commands aren't supported and if they are, they sometimes behave strangely or inconsistently. For example, writes to the PAGE command requires using PEC, otherwise the write won't work and the page won't switch, even though, the standard says that PEC is optional. On the other hand, writes to SMBALERT don't require PEC. Because of this, the driver is mostly reverse engineered with the help of a tool called pmbus_peek written by David Brownell (and later adopted by my colleague Jan Kundrát). The device also has some sort of a timing issue when switching pages, which is explained further in the code. Because of this, the driver support is limited. It exposes only the values that have been tested to work correctly. Signed-off-by: Václav Kubernát <kubernat@cesnet.cz> Link: https://lore.kernel.org/r/20210414080019.3530794-1-kubernat@cesnet.cz [groeck: Fixed up "missing braces around initializer" from 0-day] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (intel-m10-bmc-hwmon) add sensor support of Intel D5005 cardMatthew Gerlach1-0/+122
Like the Intel N3000 card, the Intel D5005 has a MAX10 based BMC. This commit adds support for the D5005 sensors that are monitored by the MAX10 BMC. Signed-off-by: Matthew Gerlach <matthew.gerlach@linux.intel.com> Signed-off-by: Russ Weight <russell.h.weight@linux.intel.com> Acked-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Tom Rix <trix@redhat.com> Link: https://lore.kernel.org/r/20210413225835.459662-3-matthew.gerlach@linux.intel.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (sch5627) Split sch5627_update_device()Armin Wolf1-33/+69
An error in sch5627_update_device() could cause sch5627_read() to fail even if the error did not affect the target sensor type. Split sch5627_update_device() to prevent that. Tested on a Fujitsu Esprimo P720. Signed-off-by: Armin Wolf <W_Armin@gmx.de> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20210411164225.11967-3-W_Armin@gmx.de Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (sch5627) Convert to hwmon_device_register_with_info()Armin Wolf1-232/+112
hwmon_device_register() is deprecated. Convert driver to use hwmon_device_register_with_info() and remove sysfs attributes which are now being handled by the hwmon subsystem. Channel handling was inspired by corsair-cpro. Tested on a Fujitsu Esprimo P720. Signed-off-by: Armin Wolf <W_Armin@gmx.de> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20210411164225.11967-2-W_Armin@gmx.de [groeck: Replaced 0 with NULL] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (nct6683) remove useless functionJiapeng Chong1-11/+0
Fix the following clang warning: drivers/hwmon/nct6683.c:491:19: warning: unused function 'in_to_reg' [-Wunused-function]. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Link: https://lore.kernel.org/r/1618293770-55307-1-git-send-email-jiapeng.chong@linux.alibaba.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (dell-smm) Add Dell Latitude E7440 to fan control whitelistSebastian Oechsle1-0/+8
Allow manual PWM control on Dell Latitude E7440. Reviewed-by: Pali Rohár <pali@kernel.org> Link: https://lore.kernel.org/r/20210411095741.zmllsuc7pevdipvy@icloud.com Signed-off-by: Sebastian Oechsle <setboolean@icloud.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (mlxreg-fan) Add support for fan drawers capability and present registersVadim Pasternak1-1/+50
Add support for fan drawer's capability and present registers in order to set mapping between the fan drawers and tachometers. Some systems are equipped with fan drawers with one tachometer inside. Others with fan drawers with several tachometers inside. Using present register along with tachometer-to-drawer mapping allows to skip reading missed tachometers and expose input for them as zero, instead of exposing fault code returned by hardware. Signed-off-by: Vadim Pasternak <vadimp@nvidia.com> Link: https://lore.kernel.org/r/20210322172237.2213584-1-vadimp@nvidia.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (pmbus/tps53679) Add support for TI TPS53676Erik Rosen2-3/+52
Add support for TI TPS53676 controller to the tps53679 pmbus driver The driver uses the USER_DATA_03 register to figure out how many phases are enabled and to which channel they are assigned, and sets the number of pages and phases accordingly. Signed-off-by: Erik Rosen <erik.rosen@metormote.com> Link: https://lore.kernel.org/r/20210322193734.75127-3-erik.rosen@metormote.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (ftsteutates) Rudimentary typo fixesBhaskar Chowdhury1-1/+1
s/Temprature/Temperature/ s/revsion/revision/ Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Link: https://lore.kernel.org/r/20210323043438.1321903-1-unixbhaskar@gmail.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (pmbus) Add driver for BluTek BPA-RS600Chris Packham3-0/+182
The BPA-RS600 is a compact 600W AC to DC removable power supply module. Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/20210317040231.21490-3-chris.packham@alliedtelesis.co.nz [groeck: Added bpa-rs600 to index.rst] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: replace snprintf in show functions with sysfs_emitGuenter Roeck24-150/+151
coccicheck complains about the use of snprintf() in sysfs show functions. drivers/hwmon/ina3221.c:701:8-16: WARNING: use scnprintf or sprintf This results in a large number of patch submissions. Fix it all in one go using the following coccinelle rules. Use sysfs_emit instead of scnprintf or sprintf since that makes more sense. @depends on patch@ identifier show, dev, attr, buf; @@ ssize_t show(struct device *dev, struct device_attribute *attr, char *buf) { <... return - snprintf(buf, \( PAGE_SIZE \| PAGE_SIZE - 1 \), + sysfs_emit(buf, ...); ...> } @depends on patch@ identifier show, dev, attr, buf, rc; @@ ssize_t show(struct device *dev, struct device_attribute *attr, char *buf) { <... rc = - snprintf(buf, \( PAGE_SIZE \| PAGE_SIZE - 1 \), + sysfs_emit(buf, ...); ...> } While at it, remove unnecessary braces and as well as unnecessary else after return statements to address checkpatch warnings in the resulting patch. Cc: Zihao Tang <tangzihao1@hisilicon.com> Cc: Jay Fang <f.fangjian@huawei.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (pmbus) Replace - with _ in device names before registrationChris Packham1-1/+7
The hwmon sysfs ABI requires that the `name` property doesn't include any dashes. But when the pmbus code picks the name up from the device tree it quite often does. Replace '-' with '_' before registering the device. Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Link: https://lore.kernel.org/r/20210317040231.21490-2-chris.packham@alliedtelesis.co.nz Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: add driver for NZXT Kraken X42/X52/X62/X72Jonas Malaco3-0/+245
These are "all-in-one" CPU liquid coolers that can be monitored and controlled through a proprietary USB HID protocol. While the models have differently sized radiators and come with varying numbers of fans, they are all indistinguishable at the software level. The driver exposes fan/pump speeds and coolant temperature through the standard hwmon sysfs interface. Fan and pump control, while supported by the devices, are not currently exposed. The firmware accepts up to 61 trip points per channel (fan/pump), but the same set of trip temperatures has to be maintained for both; with pwmX_auto_point_Y_temp attributes, users would need to maintain this invariant themselves. Instead, fan and pump control, as well as LED control (which the device also supports for 9 addressable RGB LEDs on the CPU water block) are left for existing and already mature user-space tools, which can still be used alongside the driver, thanks to hidraw. A link to one, which I also maintain, is provided in the documentation. The implementation is based on USB traffic analysis. It has been runtime tested on x86_64, both as a built-in driver and as a module. Signed-off-by: Jonas Malaco <jonas@protocubo.io> Link: https://lore.kernel.org/r/20210319045544.416138-1-jonas@protocubo.io [groeck: Removed unnecessary spinlock.h include] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (ina2xx) Convert sysfs sprintf/snprintf family to sysfs_emitZihao Tang1-5/+4
Fix the following coccicheck warning: drivers/hwmon/ina2xx.c:313:8-16: WARNING: use scnprintf or sprintf drivers/hwmon/ina2xx.c:453:8-16: WARNING: use scnprintf or sprintf drivers/hwmon/ina2xx.c:484:8-16: WARNING: use scnprintf or sprintf drivers/hwmon/ina2xx.c:540:8-16: WARNING: use scnprintf or sprintf Signed-off-by: Zihao Tang <tangzihao1@hisilicon.com> Signed-off-by: Jay Fang <f.fangjian@huawei.com> Link: https://lore.kernel.org/r/1615892457-35501-1-git-send-email-f.fangjian@huawei.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: Use kobj_to_dev()Guenter Roeck6-12/+12
coccinelle complains about WARNING opportunity for kobj_to_dev() in several files, resulting in one-by-one patch submissions. Handle all remaining instances in one go. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (ds1621) Use kobj_to_dev()Tian Tao1-1/+1
fixed the following coccicheck: ./drivers/hwmon/ds1621.c:329:60-61: WARNING opportunity for kobj_to_dev(). Signed-off-by: Tian Tao <tiantao6@hisilicon.com> Link: https://lore.kernel.org/r/1616032504-59817-1-git-send-email-tiantao6@hisilicon.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (ftsteutates) Fix spelling typozuoqilin1-1/+1
Change 'revsion' to 'revision'. Signed-off-by: zuoqilin <zuoqilin@yulong.com> Link: https://lore.kernel.org/r/20210318124637.1331-1-zuoqilin1@163.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (corsair-psu) add support for critical valuesWilken Gottwalt1-55/+270
Adds support for reading the critical values of the temperature sensors and the rail sensors (voltage and current) once and caches them. Updates the naming of the constants following a more clear scheme. Also updates the documentation and fixes some typos. Updates is_visible and ops_read functions to be more readable. The new sensors output of a Corsair HX850i will look like this: corsairpsu-hid-3-1 Adapter: HID adapter v_in: 230.00 V v_out +12v: 12.14 V (crit min = +8.41 V, crit max = +15.59 V) v_out +5v: 5.03 V (crit min = +3.50 V, crit max = +6.50 V) v_out +3.3v: 3.30 V (crit min = +2.31 V, crit max = +4.30 V) psu fan: 0 RPM vrm temp: +46.2°C (crit = +70.0°C) case temp: +39.8°C (crit = +70.0°C) power total: 152.00 W power +12v: 108.00 W power +5v: 41.00 W power +3.3v: 5.00 W curr +12v: 9.00 A (crit max = +85.00 A) curr +5v: 8.31 A (crit max = +40.00 A) curr +3.3v: 1.62 A (crit max = +40.00 A) Signed-off-by: Wilken Gottwalt <wilken.gottwalt@posteo.net> Link: https://lore.kernel.org/r/YFNg6vGk3sQmyqgB@monster.powergraphx.local Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (pmbus/stpddc60) Add ST STPDDC60 pmbus driverErik Rosen3-0/+259
Add hardware monitoring support for ST STPDDC60 Unversal Digital Multicell Controller. Signed-off-by: Erik Rosen <erik.rosen@metormote.com> Link: https://lore.kernel.org/r/20210218115249.28513-3-erik.rosen@metormote.com [groeck: Fixed whitespace error in Makefile] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (pmbus) Add pmbus_set_update() function to set update flagErik Rosen2-0/+12
For the STPDDC60 chip, the vout alarm-limits are represented as an offset relative to the commanded output voltage. This means that the limits are dynamic and must not be cached by the pmbus driver. This patch adds a pmbus_set_sensor() function to pmbus_core to be able to set the update flag on selected sensors after auto-detection of limit attributes. Signed-off-by: Erik Rosen <erik.rosen@metormote.com> Link: https://lore.kernel.org/r/20210218115249.28513-2-erik.rosen@metormote.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (nct6683) Support NCT6686DJiqi Li1-2/+9
Add support for NCT6686D chip used in the Lenovo P620. Signed-off-by: Jiqi Li <lijq9@lenovo.com> Reviewed-by: Mark Pearson <markpearson@lenovo.com> Link: https://lore.kernel.org/r/20210304104421.1912934-1-lijq9@lenovo.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (pmbus) Add driver for Infineon IR36021Chris Packham3-0/+89
The IR36021 is a dual‐loop digital multi‐phase buck controller. Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Link: https://lore.kernel.org/r/20210301035954.16713-3-chris.packham@alliedtelesis.co.nz Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (corsair-psu) Update calculation of LINEAR11 valuesWilken Gottwalt1-22/+8
Changes the way how LINEAR11 values are calculated. The new method increases the precision of 2-3 digits. old method: corsairpsu-hid-3-1 Adapter: HID adapter v_in: 230.00 V v_out +12v: 12.00 V v_out +5v: 5.00 V v_out +3.3v: 3.00 V psu fan: 0 RPM vrm temp: +44.0°C case temp: +37.0°C power total: 152.00 W power +12v: 112.00 W power +5v: 38.00 W power +3.3v: 5.00 W curr in: N/A curr +12v: 9.00 A curr +5v: 7.00 A curr +3.3v: 1000.00 mA new method: corsairpsu-hid-3-1 Adapter: HID adapter v_in: 230.00 V v_out +12v: 12.16 V v_out +5v: 5.01 V v_out +3.3v: 3.30 V psu fan: 0 RPM vrm temp: +44.5°C case temp: +37.8°C power total: 148.00 W power +12v: 108.00 W power +5v: 37.00 W power +3.3v: 4.50 W curr in: N/A curr +12v: 9.25 A curr +5v: 7.50 A curr +3.3v: 1.50 A Co-developed-by: Jack Doan <me@jackdoan.com> Signed-off-by: Jack Doan <me@jackdoan.com> Signed-off-by: Wilken Gottwalt <wilken.gottwalt@posteo.net> Link: https://lore.kernel.org/r/YDoSMqFbgoTXyoru@monster.powergraphx.local Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: Switch to using the new API kobj_to_dev()Yang Li1-1/+1
fixed the following coccicheck: ./drivers/hwmon/hwmon.c:82:60-61: WARNING opportunity for kobj_to_dev() Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> Link: https://lore.kernel.org/r/1614071667-5665-1-git-send-email-yang.lee@linux.alibaba.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (adm9240) Convert to devm_hwmon_device_register_with_info APIGuenter Roeck1-495/+445
Also use regmap for register caching. This change reduces code and data size by more than 40%. While at it, fixed some warnings reported by checkpatch. Cc: Chris Packham <Chris.Packham@alliedtelesis.co.nz> Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (adm9240) Store i2c device instead of client in local dataGuenter Roeck1-15/+14
We only use the pointer to i2c_client to access &client->dev. Store the device pointer directly instead of retrieving it from i2c_client. Cc: Chris Packham <Chris.Packham@alliedtelesis.co.nz> Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-04-20hwmon: (adm9240) Drop log messages from detect functionGuenter Roeck1-12/+5
Not detecting a chip in the detect function is normal and should not generate any log messages, much less error messages. Cc: Chris Packham <Chris.Packham@alliedtelesis.co.nz> Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Signed-off-by: Guenter Roeck <linux@roeck-us.net>