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2021-12-26hwmon: (dell-smm) Simplify ioctl handlerArmin Wolf
The second switch-case has no real purpose: - for I8K_BIOS_VERSION, val does not represent a return value, making the check for error values unnecessary. - for I8K_MACHINE_ID, val remains zero, so the error check is unnecessary too. Remove the switch-case and move the calls to copy_to_user() into the first switch-case for I8K_BIOS_VERSION/_MACHINE_ID. Omit buff[] since data->bios_machineid already contains the string with the necessary zero padding through devm_kzalloc(). Tested on a Dell Inspiron 3505. Signed-off-by: Armin Wolf <W_Armin@gmx.de> Reviewed-by: Pali Rohár <pali@kernel.org> Link: https://lore.kernel.org/r/20211211155422.16830-2-W_Armin@gmx.de Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: (raspberrypi) Exit immediately in case of error in initArmin Wolf
Exit immediately if devm_hwmon_device_register_with_info() fails since registering a delayed work whould be useless in such a case anyway. Signed-off-by: Armin Wolf <W_Armin@gmx.de> Link: https://lore.kernel.org/r/20211211184449.18211-1-W_Armin@gmx.de Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: (nct6775) delete some extension linesDan Carpenter
This code can fit on one line. No need to break it up. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Link: https://lore.kernel.org/r/20211215114050.GB14967@kili Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: (ntc_thermistor) Move DT matches to the driver blockLinus Walleij
This moves the device tree match data toward the end of the driver which is the convention, here we can also add ACPI and similar match data in a conforming manner. Cc: Peter Rosin <peda@axentia.se> Cc: Chris Lesiak <chris.lesiak@licor.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20211205235948.4167075-3-linus.walleij@linaro.org Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: (ntc_thermistor) Switch to generic firmware propsLinus Walleij
This switches to retrieveing the configuration of the NTC from generic firmware properties so that we get neutral from device tree: now ACPI or, more importantly, software nodes can be used to spawn NTC devices provided they have the required properties. This was inspired by the similar changes made to the IIO drivers. This was tested on the Ux500 HREF with the NTC devices probing from device tree just as fine after this as before. Cc: Peter Rosin <peda@axentia.se> Cc: Chris Lesiak <chris.lesiak@licor.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20211206020423.62402-2-linus.walleij@linaro.org Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: (ntc_thermistor) Move and refactor DT parsingLinus Walleij
Move the parsing of the DT config right above probe(). Allocate the state container for the driver in probe() instead of inside the DT config parsing function: as a result return an int instead of a pointer. Drop the check for !np: we can only probe from DT right now so no risk of ending up here. Cc: Peter Rosin <peda@axentia.se> Cc: Chris Lesiak <chris.lesiak@licor.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20211206020423.62402-1-linus.walleij@linaro.org Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: (adm1031) Remove redundant assignment to variable rangeColin Ian King
Variable range is being initialized with a value that is never read, it is being re-assigned in the next statement. The assignment is redundant, remove it and initialize range using the second assigned value. Clean up the formatting too by adding missing spaces. Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Link: https://lore.kernel.org/r/20211204233155.55454-1-colin.i.king@gmail.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: (asus_wmi_sensors) fix an array overflowDan Carpenter
Smatch detects this array overflow: drivers/hwmon/asus_wmi_sensors.c:569 asus_wmi_configure_sensor_setup() error: buffer overflow 'hwmon_attributes' 8 <= 9 The hwmon_attributes[] array should have "hwmon_max" so that it gets larger when more attributes are added. Fixes: 9d07e54a25b8 ("hwmon: (asus_wmi_sensors) Support X370 Asus WMI.") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Link: https://lore.kernel.org/r/20211130105117.GH5827@kili Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: (asus_wmi_ec_sensors) fix array overflowDan Carpenter
Smatch detected an array out of bounds error: drivers/hwmon/asus_wmi_ec_sensors.c:562 asus_wmi_ec_configure_sensor_setup() error: buffer overflow 'hwmon_attributes' 8 <= 9 The hwmon_attributes[] array needs to be declared with "hwmon_max" elements. Fixes: c04c7f7bfcbe ("hwmon: (asus_wmi_ec_sensors) Support B550 Asus WMI.") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Link: https://lore.kernel.org/r/20211130105034.GG5827@kili Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: (sht4x) Add device tree match tableDavid Mosberger-Tang
This patch enables automatic loading of the sht4x module via a device tree table entry. Signed-off-by: David Mosberger-Tang <davidm@egauge.net> Link: https://lore.kernel.org/r/20211121160637.2312106-1-davidm@egauge.net Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: (ntc_thermistor) Merge platform dataLinus Walleij
Allocate one state container for the device: struct ntc_data. Move all items from struct ntc_thermistor_platform_data into this struct and simplify. Cc: Peter Rosin <peda@axentia.se> Cc: Chris Lesiak <chris.lesiak@licor.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20211125020841.3616359-5-linus.walleij@linaro.org Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: (ntc_thermistor) Drop read_uv() depend on OF and IIOLinus Walleij
The only possible assignment of a function to get a voltage to convert to a resistance is to use the internal function ntc_adc_iio_read() which is only available when using IIO and OF. Bite the bullet and mandate OF and IIO, drop the read_uv() callback abstraction and some ifdefs. As no board is using the platform data, all users are using OF and IIO anyway. Cc: Peter Rosin <peda@axentia.se> Cc: Chris Lesiak <chris.lesiak@licor.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20211125020841.3616359-4-linus.walleij@linaro.org Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: (ntc_thermistor) Drop get_ohm()Linus Walleij
Nothing in the kernel (this driver) is using the callback to read ohms directly. We always read a voltage and convert it to a resistance. Drop this callback. Cc: Peter Rosin <peda@axentia.se> Cc: Chris Lesiak <chris.lesiak@licor.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20211125020841.3616359-3-linus.walleij@linaro.org Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: (ntc_thermistor) Merge platform data into driverLinus Walleij
Platform data is supposed to be used with "board files", device descriptions in C. Since the introduction of the NTC driver in 2011, no such platforms have been submitted to the Linux kernel, and their use is strongly discouraged in favor of Device Tree, ACPI or as last resort software firmware nodes. Drop the external header and copy the platform data into the driver file. Cc: Peter Rosin <peda@axentia.se> Cc: Chris Lesiak <chris.lesiak@licor.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20211125020841.3616359-2-linus.walleij@linaro.org Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: (jc42) Add support for ONSEMI N34TS04Guenter Roeck
N34TS04 is a JC42.4 compatible temperature sensor from ONSEMI. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: (k10temp) Support up to 12 CCDs on AMD Family of processorsBabu Moger
The current driver can read the temperatures from upto 8 CCDs (Core-Complex Die). The newer AMD Family 19h Models 10h-1Fh and A0h-AFh can support up to 12 CCDs. Update the driver to read up to 12 CCDs. Signed-off-by: Babu Moger <babu.moger@amd.com> Link: https://lore.kernel.org/r/163776976762.904164.5618896687524494215.stgit@bmoger-ubuntu Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: (asus_wmi_sensors) Support X370 Asus WMI.Denis Pauk
Provides a Linux kernel module "asus_wmi_sensors" that provides sensor readouts via ASUS' WMI interface present in the UEFI of X370/X470/B450/X399 Ryzen motherboards. Supported motherboards: * ROG CROSSHAIR VI HERO, * PRIME X399-A, * PRIME X470-PRO, * ROG CROSSHAIR VI EXTREME, * ROG CROSSHAIR VI HERO (WI-FI AC), * ROG CROSSHAIR VII HERO, * ROG CROSSHAIR VII HERO (WI-FI), * ROG STRIX B450-E GAMING, * ROG STRIX B450-F GAMING, * ROG STRIX B450-I GAMING, * ROG STRIX X399-E GAMING, * ROG STRIX X470-F GAMING, * ROG STRIX X470-I GAMING, * ROG ZENITH EXTREME, * ROG ZENITH EXTREME ALPHA. Co-developed-by: Ed Brindley <kernel@maidavale.org> Signed-off-by: Ed Brindley <kernel@maidavale.org> Signed-off-by: Denis Pauk <pauk.denis@gmail.com> [groeck: Squashed: "hwmon: Fix warnings in asus_wmi_sensors.rst documetation."] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: (asus_wmi_ec_sensors) Support B550 Asus WMI.Denis Pauk
Linux HWMON sensors driver for ASUS motherboards to read sensors from the embedded controller. Many ASUS motherboards do not publish all the available sensors via the Super I/O chip but the missing ones are available through the embedded controller (EC) registers. This driver implements reading those sensor data via the WMI method BREC, which is known to be present in all ASUS motherboards based on the AMD 500 series chipsets (and probably is available in other models too). The driver needs to know exact register addresses for the sensors and thus support for each motherboard has to be added explicitly. The EC registers do not provide critical values for the sensors and as such they are not published to the HWMON. Supported motherboards: * PRIME X570-PRO * Pro WS X570-ACE * ROG CROSSHAIR VIII HERO * ROG CROSSHAIR VIII DARK HERO * ROG CROSSHAIR VIII FORMULA * ROG STRIX X570-E GAMING * ROG STRIX B550-I GAMING * ROG STRIX B550-E GAMING Co-developed-by: Eugene Shalygin <eugene.shalygin@gmail.com> Signed-off-by: Eugene Shalygin <eugene.shalygin@gmail.com> Co-developed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Denis Pauk <pauk.denis@gmail.com> Tested-by: Tor Vic <torvic9@mailbox.org> Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: (f71882fg) Add F81966 supportMenghui Wu
This adds hardware monitor support the Fintek F81966 Super I/O chip. Testing was done on the Aaeon SSE-IPTI Signed-off-by: Menghui Wu <Menghui_Wu@aaeon.com.tw> Signed-off-by: Chia-Lin Kao (AceLan) <acelan.kao@canonical.com> Link: https://lore.kernel.org/r/20211117024320.2428144-1-acelan.kao@canonical.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: (adm1021) Improve detection of LM84, MAX1617, and MAX1617AGuenter Roeck
The adm1021 driver is quite generous with its automatic chip detection and easily misdetects several chips. Strengthen detection of MAX1617, MAX1617A, and LM84 to make the driver less vulnerable to false matches. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: (tmp401) Hide register write address differences in regmap codeGuenter Roeck
Since we are using regmap access functions to write into chip registers, we can hide the difference in register write addresses within regmap code. By doing this we do not need to clear the regmap cache on register writes, and the high level code does not need to bother about different read/write register addresses. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: (tmp401) Use regmapGuenter Roeck
Use regmap for register accesses to be able to utilize its caching functionality. This also lets us hide register access differences in regmap code. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: (tmp401) Convert to _info APIGuenter Roeck
The new API is cleaner and reduces code size significantly. All chip accesses are 'hidden' in chip access to prepare for using regmap. Local caching code is removed, to be replaced by regmap based caching in a follow-up patch. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: (tmp401) Simplify temperature register arraysGuenter Roeck
The difference between TMP431 and other chips of this series is that the TMP431 has an additional sensor. The register addresses for other sensors are the same for all chips. It is therefore unnecessary to maintain two different arrays for TMP431 and the other chips. Just use the same array for all chips and add the TMP431 register addresses as third column. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: Driver for Texas Instruments INA238Nathan Rossi
The INA238 is a I2C power monitor similar to other INA2xx devices, providing shunt voltage, bus voltage, current, power and temperature measurements. Signed-off-by: Nathan Rossi <nathan.rossi@digi.com> Link: https://lore.kernel.org/r/20211102052754.817220-3-nathan@nathanrossi.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: (k10temp) Add support for AMD Family 19h Models 10h-1Fh and A0h-AFhBabu Moger
Add thermal info support for AMD Family 19h Models 10h-1Fh and A0h-AFh. Thermal info is supported via a new PCI device ID at offset 0x300h. Signed-off-by: Babu Moger <babu.moger@amd.com> Link: https://lore.kernel.org/r/163640829419.955062.12539219969781039915.stgit@bmoger-ubuntu Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26hwmon: (k10temp) Remove unused definitionsBabu Moger
Usage of these definitions were removed after the commit 0a4e668b5d52 ("hwmon: (k10temp) Remove support for displaying voltage and current on Zen CPUs"). So, cleanup them up. Signed-off-by: Babu Moger <babu.moger@amd.com> Link: https://lore.kernel.org/r/163640828776.955062.15863375803675701204.stgit@bmoger-ubuntu Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26habanalabs: support hard-reset scheduling during soft-resetOfir Bitton
As hard-reset can be requested during soft-reset, driver must allow it or else critical events received during soft-reset will be ignored. Signed-off-by: Ofir Bitton <obitton@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-12-26habanalabs: add a lock to protect multiple reset variablesOfir Bitton
Atomic operations during reset are replaced by a spinlock in order to have the ability to protect more than a single variable. Signed-off-by: Ofir Bitton <obitton@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-12-26habanalabs: refactor reset information variablesOfir Bitton
Unify variables related to device reset, which will help us to add some new reset functionality in future patches. Signed-off-by: Ofir Bitton <obitton@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-12-26habanalabs: handle skip multi-CS if handling not doneOhad Sharabi
This patch fixes issue in which we have timeout for multi-CS although the CS in the list actually completed. Example scenario (the two threads marked as WAIT for the thread that handles the wait_for_multi_cs and CMPL as the thread that signal completion for both CS and multi-CS): 1. Submit CS with sequence X 2. [WAIT]: call wait_for_multi_cs with single CS X 3. [CMPL]: CS X do invoke complete_all for both CS and multi-CS (multi_cs_completion_done still false) 4. [WAIT]: enter poll_fences, reinit the completion and find the CS as completed when asking on the fence but multi_cs_done is still false it returns that no CS actually completed 5. [CMPL]: set multi_cs_handling_done as true 6. [WAIT]: wait for completion but no CS to awake the wait context and hence wait till timeout Solution: if CS detected as completed in poll_fences but multi_cs_done is still false invoke complete_all to the multi-CS completion and so it will not go to sleep in wait_for_completion but rather will have a "second chance" to wait for multi_cs_completion_done. Signed-off-by: Ohad Sharabi <osharabi@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-12-26habanalabs: add CPU-CP packet for engine core ASID cfgTomer Tayar
In some cases the driver cannot configure ASID of some engines due to the security level of the relevant registers. For this a new CPU-CP packet is introduced, which will allow the driver to ask the F/W to do this configuration instead. Signed-off-by: Tomer Tayar <ttayar@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-12-26PCI: imx: Add the imx8mm pcie supportRichard Zhu
i.MX8MM PCIe works mostly like the i.MX8MQ one, but has a different PHY and allows to output the internal PHY reference clock via the refclk pad. Add the i.MX8MM PCIe support based on the standalone PHY driver. Link: https://lore.kernel.org/r/1640312885-31142-2-git-send-email-hongxing.zhu@nxp.com Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com> Tested-by: Tim Harvey <tharvey@gateworks.com> Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Tim Harvey <tharvey@gateworks.com>
2021-12-26habanalabs: replace some -ENOTTY with -EINVALOded Gabbay
-ENOTTY is returned in case of error in the ioctl arguments themselves, such as function that doesn't exists. In all other cases, where the error is in the arguments of the custom data structures that we define that are passed in the various ioctls, we need to return -EINVAL. Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-12-26habanalabs: fix comments according to kernel-docOfir Bitton
Fix missing fields, descriptions not according to kernel-doc style. Signed-off-by: Ofir Bitton <obitton@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-12-26habanalabs: fix endianness when reading cpld versionOfir Bitton
Current sysfs implementation does not take endianness into consideration when dumping the cpld version. Signed-off-by: Ofir Bitton <obitton@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-12-26habanalabs: change wait_for_interrupt implementationfarah kassabri
Currently the cq counters are allocated in userspace memory, and mapped by the driver to the device address space. A new requirement that is part of new future API related to this one, requires that cq counters will be allocated in kernel memory. We leverage the existing cb_create API with KERNEL_MAPPED flag set to allocate this memory. That way we gain two things: 1. The memory cannot be freed while in use since it's protected by refcount in driver. 2. No need to wake up the user thread upon each interrupt from CQ, because the kernel has direct access to the counter. Therefore, it can make comparison with the target value in the interrupt handler and wake up the user thread only if the counter reaches the target value. This is instead of waking the thread up to copy counter value from user then go sleep again if target value wasn't reached. Signed-off-by: farah kassabri <fkassabri@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-12-26habanalabs: prevent wait if CS in multi-CS list completedOhad Sharabi
By the original design we assumed that if we "miss" multi CS completion it is of no severe consequence as we'll just call wait_for_multi_cs again. Sequence of events for such scenario: 1. user submit CS with sequence N 2. user calls wait for multi-CS with only CS #N in the list 3. the multi CS call starts with poll of the CSs but find that none completed (while CS #N did not completed yet) 4. now, multi CS #N complete but multi CS CTX was not yet created for the above multi-CS. so, attempt to complete multi-CS fails (as no multi CS CTX exist) 5. wait_for_multi_cs call now does init_wait_multi_cs_completion (and for this create the multi-CS CTX) 6. wait_for_multi_cs wits on completion but will not get one as CS #N already completed To fix the issue we initialize the multi-CS CTX prior polling the fences. Signed-off-by: Ohad Sharabi <osharabi@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-12-26habanalabs: modify cpu boot status error printOfir Bitton
As BTL can be replaced by ROM we should modify relevant error print. Signed-off-by: Ofir Bitton <obitton@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-12-26habanalabs: clean MMU headers definitionsOhad Sharabi
During the MMU development the MMU header files were left with unclean definitions: - MMU "version specific" definitions that were left in the mmu_general file - unused definitions This patch attempts, where possible, to keep definitions that can serve multiple MMU versions (but that are not tightly bound with specific MMU arch) in the mmu_general header file (e.g. different definitions for number of HOPs). Otherwise, move MMU version specific definitions (e.g. HOPs masks and shifts) to the specific MMU version file. Signed-off-by: Ohad Sharabi <osharabi@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-12-26habanalabs: expose soft reset sysfs nodes for inference ASICOfir Bitton
As we allow soft-reset to be performed only on inference devices, having the sysfs nodes may cause a confusion. Hence, we remove those nodes on training ASICs. Signed-off-by: Ofir Bitton <obitton@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-12-26habanalabs: sysfs support for two infineon versionsOfir Bitton
Currently sysfs support dumping a single infineon version, in future asics we will have two infineon versions. Signed-off-by: Ofir Bitton <obitton@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-12-26habanalabs: keep control device alive during hard resetDani Liberman
Need to allow user retrieve data during reset and afterwards without the need to reopen the device. Did it by seperating the user peocesses list into two lists: 1. fpriv_list which contains list of user processes that opened the device (currently only one). 2. fpriv_ctrl_list which contains list of user processes that opened the control device. This processes in this list shall not be killed during reset, only when the device is suddenly removed from PCI chain. Signed-off-by: Dani Liberman <dliberman@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-12-26habanalabs: fix hwmon handling for legacy f/wOded Gabbay
In legacy f/w that use old hwmon.h file, the values of the hwmon enums are different than the values that are in newer kernels (5.6 and above). Therefore, to support working with those f/w, we need to do some fixup before registering with the hwmon subsystem and also when calling the functions that communicate with the f/w to retrieve sensors information. Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-12-26habanalabs: add current PI value to cpu packetsOfir Bitton
In order to increase cpucp messaging reliability we will add the current PI value to the descriptor sent to F/W. F/W will wait for the PI value as an indication of a valid packet. Signed-off-by: Ofir Bitton <obitton@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-12-26habanalabs: remove in_debug check in device openOded Gabbay
The driver supports only a single user anyway, so there is no point in checking whether we are in_debug state when a user tries to open the device, because if we are in_debug, it means a user is already using the device. Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-12-26habanalabs: return correct clock throttling periodOfir Bitton
Current clock throttling period returned from driver was wrong due to wrong time comparison. Signed-off-by: Ofir Bitton <obitton@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-12-26habanalabs: wait again for multi-CS if no CS completedOhad Sharabi
The original multi-CS design assumption that stream masters are used exclusively (i.e. multi-CS with set of stream master QIDs will not get completed by CS not from the multi-CS set) is inaccurate. Thus multi-CS behavior is now modified not to treat such case as an error. Instead, if we have multi-CS completion but we detect that no CS from the list is actually completed we will do another multi-CS wait (with modified timeout). Signed-off-by: Ohad Sharabi <osharabi@habana.ai> Reviewed-by: Dani Liberman <dliberman@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-12-26habanalabs: remove compute context pointerOded Gabbay
It was an error to save the compute context's pointer in the device structure, as it allowed its use without proper ref-cnt. Change the variable to a flag that only indicates whether there is an active compute context. Code that needs the pointer will now be forced to use proper internal APIs to get the pointer. Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2021-12-26habanalabs: add helper to get compute contextOded Gabbay
There are multiple places where the code needs to get the context's pointer and increment its ref cnt. This is the proper way instead of using the compute context pointer in the device structure. Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
generated by cgit (git 2.34.1) at 2025-09-22 12:16:25 +0000