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2020-07-16tools/power/x86/intel-speed-select: Add retries for mail box commandsSrinivas Pandruvada1-16/+36
Retry mail box command on failure. The default retry count is 3. This can be changed by "-r|--retry" options. This helps during early bring up of platforms. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2020-07-16tools/power/x86/intel-speed-select: Add option to delay mbox commandsSrinivas Pandruvada1-0/+15
Add option "p|--pause" to introduce delay between two mail box commands for test purpose. This delay can be specified in milliseconds. By default there is no delay between two mailbox commands. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2020-07-16tools/power/x86/intel-speed-select: Ignore -o option processing on errorSrinivas Pandruvada1-1/+5
When for some reason, CONFIG_TDP_GET_CORE_MASK mailbox command fails, then don't continue online/offline operation for perf-profile set-config-level with "-o" option. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2020-07-16tools/power/x86/intel-speed-select: Change path for caching topology infoSrinivas Pandruvada1-2/+4
We want to cache the topology info to a file, which is not preserved across boot cycle. The current storage in /tmp is getting preserved. So change the path from /tmp/isst_cpu_topology.dat to /var/run/isst_cpu_topology.dat. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2020-07-15platform/x86: mlx-platform: Extend FAN platform data descriptionVadim Pasternak1-0/+13
Extend FAN platform data with register presence field. Add register present entry per rotor (tachometer) description tuple. The purpose is to allow indication of FAN presence. Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-07-15platform_data/mlxreg: Add presence register field for FAN devicesVadim Pasternak1-0/+2
Add new field 'reg_prsnt' to the structure 'mlxreg_core_data' to provide the number FAN drawers equpped within the system. The purpose is to allow mapping between FAN drawers and FAN rotors (tachometer), since FAN drawer can be eqipped with a few rotors. Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-07-15Documentation/ABI: Add new attribute for mlxreg-io sysfs interfacesVadim Pasternak1-0/+17
Add documentation for the new attributes for exposing CPLDs part numbers and CPLD minor versions. Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-07-15platform/mellanox: mlxreg-io: Add support for complex attributesVadim Pasternak1-12/+33
Add support for attributes composed from few registers. Such attributes could occupy from 2 to 4 sequential registers. For word size register space complex attributes can occupy up to two registers, for byte size - up to four. These attributes can carry, for example, CPLD or FPGA versioning, power consuming info, etcetera. Such registers contain read-only data. Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-07-15platform/x86: mlx-platform: Add more definitions for system attributesVadim Pasternak1-0/+128
Add new attributes for the all type systems specifying for each equipped CPLD device, the CPLD part number and the CPLD minor version of the device: 'cpld{n}_pn' and 'cpld{n}_version_min'. This information is to be used for mathcing the current CPLD image and for making decision if image upgrade is required for CPLD device. Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-07-15platform_data/mlxreg: Add support for complex attributesVadim Pasternak1-0/+2
Add new field 'regnum' to the structure 'mlxreg_core_data' to specify the number of registers occupied by multi-register attribute. Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-07-15platform/mellanox: mlxreg-hotplug: Add environmental data to ueventVadim Pasternak1-2/+20
Send "udev" event with environmental data in order to allow handling "ENV{}" variables in "udev" rules. Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-07-15platform/mellanox: mlxreg-hotplug: Use capability register for attribute creationVadim Pasternak1-19/+41
Create the 'sysfs' attributes according to configuration provided through the capability register, which purpose is to indicate the actual number of the components within the particular group. Such components could be, for example the FAN or power supply units. The motivation is to avoid adding a new code in the future in order to distinct between the systems types supporting a different number of the components like power supplies, FANs, ASICs, line cards. Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-07-15platform/mellanox: mlxreg-hotplug: Modify module licenseVadim Pasternak1-29/+3
Change module license to 'SPDX'. Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-07-15lib/test-string_helpers.c: Add string_upper() and string_lower() testsVadim Pasternak1-0/+67
Add few of simple tests for string_upper() and string_lower() helpers. Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-07-15lib/string_helpers: Introduce string_upper() and string_lower() helpersVadim Pasternak1-0/+15
Provide the helpers for string conversions to upper and lower cases. Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-07-15platform/x86: thinkpad_acpi: Replace HTTP links with HTTPS onesAlexander A. Klimov1-5/+5
Rationale: Reduces attack surface on kernel devs opening the links for MITM as HTTPS traffic is much harder to manipulate. Deterministic algorithm: For each file: If not .svg: For each line: If doesn't contain `\bxmlns\b`: For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`: If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`: If both the HTTP and HTTPS versions return 200 OK and serve the same content: Replace HTTP with HTTPS. Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-07-15platform/x86: thinkpad_acpi: not loading brightness_init when _BCL invalidAaron Ma1-2/+5
When _BCL invalid, disable thinkpad_acpi backlight brightness control. brightness_enable is already checked at the beginning. Most new thinkpads are using GPU driver to control brightness now, print notice when enabled brightness control even when brightness_enable = 1. Signed-off-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-07-15platform/x86: thinkpad_acpi: lap or desk mode interfaceMark Pearson2-2/+124
Newer Lenovo Thinkpad platforms have support to identify whether the system is on-lap or not using an ACPI DYTC event from the firmware. This patch provides the ability to retrieve the current mode via sysfs entrypoints and will be used by userspace for thermal mode and WWAN functionality Co-developed-by: Nitin Joshi <njoshi1@lenovo.com> Signed-off-by: Nitin Joshi <njoshi1@lenovo.com> Reviewed-by: Sugumaran <slacshiminar@lenovo.com> Reviewed-by: Bastien Nocera <bnocera@redhat.com> Signed-off-by: Mark Pearson <markpearson@lenovo.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-07-15platform/x86: thinkpad_acpi: Revert "Use strndup_user() in dispatch_proc_write()"Andy Shevchenko1-3/+11
This reverts commit 35d13c7a05126a5a54a1ef40aff4c6984474e604. This broke procfs interface due to neglecting the fact that the strings are not coming NULL terminated. Revert the change till we will have a better clean up. Fixes: 35d13c7a0512 ("platform/x86: thinkpad_acpi: Use strndup_user() in dispatch_proc_write()") Reported-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-07-14platform/x86: asus-nb-wmi: add support for ASUS ROG Zephyrus G14 and G15Armas Spann1-0/+82
Add device support for the new ASUS ROG Zephyrus G14 (GA401I) and G15 (GA502I) series. This is accomplished by two new quirk entries (one per each series), as well as all current available G401I/G502I DMI_PRODUCT_NAMEs to match the corresponding devices. Signed-off-by: Armas Spann <zappel@retarded.farm> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-07-14platform/x86: intel-vbtn: Fix return value check in check_acpi_dev()Lu Wei1-1/+1
In the function check_acpi_dev(), if it fails to create platform device, the return value is ERR_PTR() or NULL. Thus it must use IS_ERR_OR_NULL() to check return value. Fixes: 332e081225fc ("intel-vbtn: new driver for Intel Virtual Button") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Lu Wei <luwei32@huawei.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-07-14platform/x86: intel-hid: Fix return value check in check_acpi_dev()Lu Wei1-1/+1
In the function check_acpi_dev(), if it fails to create platform device, the return value is ERR_PTR() or NULL. Thus it must use IS_ERR_OR_NULL() to check return value. Fixes: ecc83e52b28c ("intel-hid: new hid event driver for hotkeys") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Lu Wei <luwei32@huawei.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-07-09platform/x86: intel_pmc_core: fix bound check in pmc_core_mphy_pg_show()Gaurav Singh1-1/+1
Check bounds before accessing map[] array. Signed-off-by: Gaurav Singh <gaurav1086@gmail.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-07-09platform/x86: intel_pmc_core: update TGL's LPM0 reg bit map nameSathyanarayana Nujella1-1/+1
PMC debug tools use lpm0's 23rd bit to reflect Main PLL, not just Audio PLL. So, update tgl_lpm0 debug reg bit map name. Signed-off-by: Sathyanarayana Nujella <sathyanarayana.nujella@intel.com> Signed-off-by: Arava Jairaj <jairaj.arava@intel.com> Acked-by: David E. Box <david.e.box@intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-07-09platform/x86: asus-wmi: allow BAT1 battery nameVasiliy Kupriakov1-0/+1
The battery on my laptop ASUS TUF Gaming FX706II is named BAT1. This patch allows battery extension to load. Signed-off-by: Vasiliy Kupriakov <rublag-ns@yandex.ru> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-07-09platform/x86: dell-wmi: add new dmi mapping for keycode 0xffffY Paritcher1-1/+1
This keycode is used by Dell as a no-op for keys that should have no function. This keycode is never triggered by a keypress in practice, rather it is included from the 0xB2 DMI table at startup. This prevents the following messages from being logged at startup on a Dell Inspiron 5593: dell_wmi: firmware scancode 0x48 maps to unrecognized keycode 0xffff dell_wmi: firmware scancode 0x50 maps to unrecognized keycode 0xffff as per this code comment: Log if we find an entry in the DMI table that we don't understand. If this happens, we should figure out what the entry means and add it to bios_to_linux_keycode. Signed-off-by: Y Paritcher <y.linux@paritcher.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Pali Rohár <pali@kernel.org> Reviewed-by: Mario Limonciello <mario.limonciello@dell.com>
2020-07-09platform/x86: dell-wmi: add new keymap type 0x0012Y Paritcher1-2/+20
These are events with extended data. The extended data is currently ignored as userspace does not have a way to deal it. Ignore event with a type of 0x0012 and a code of 0xe035, as the keyboard controller takes care of Fn lock events by itself. This silences the following messages being logged when pressing the Fn-lock key on a Dell Inspiron 5593: dell_wmi: Unknown WMI event type 0x12 dell_wmi: Unknown key with type 0x0012 and code 0xe035 pressed This is consistent with the behavior for the Fn-lock key elsewhere in this file. Signed-off-by: Y Paritcher <y.linux@paritcher.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Pali Rohár <pali@kernel.org> Reviewed-by: Mario Limonciello <mario.limonciello@dell.com>
2020-07-09platform/x86: dell-wmi: add new backlight eventsY Paritcher1-0/+4
Add events with a type of 0x0010 and a code of 0x57 / 0x58, this silences the following messages being logged on a Dell Inspiron 5593: dell_wmi: Unknown key with type 0x0010 and code 0x0057 pressed dell_wmi: Unknown key with type 0x0010 and code 0x0058 pressed These are brightness events and will be handled by acpi-video Signed-off-by: Y Paritcher <y.linux@paritcher.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-07-09platform/x86: Add new intel_atomisp2_led driverHans de Goede4-0/+144
Many Bay Trail and Cherry Trail devices come with a camera attached to Intel's Image Signal Processor. Linux currently does not have a driver for these, so they do not work as a camera. Some of these camera's have a status LED which is controlled through a GPIO in some cases, e.g. on the Asus T100TA and Asus T200TA, there is a firmware issue where the LED gets turned on at boot. This commit adds a Linux LED driver for the camera LED on these devices. This driver will turn the LED off at boot and also allows controlling the LED (so the user can repurpose it) through the sysfs LED interface. Which GPIO is attached to the LED is usually not described in the ACPI tables, so this driver contains per-system info about the GPIO inside the driver. This means that this driver only works on systems the driver knows about. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-07-09platform/x86: ISST: Add new PCI device idsSrinivas Pandruvada3-0/+5
Added new PCI device ids for supporting mailbox and MMIO interface for Sapphire Rapids. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-07-09platform/x86: system76-acpi: Fix brightness_set schedule while atomicNick Shipp1-6/+6
system76_set() was set as an LED ->brightness_set() callback, but it calls acpi_evaluate_object() which is not atomic-safe. Switch to the ->brightness_set_blocking() LED callback instead. Signed-off-by: Nick Shipp <git@segbrk.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-07-09platform/x86: intel_cht_int33fe: Drop double check for ACPI companion deviceAndy Shevchenko1-8/+6
acpi_dev_get_resources() does perform the NULL pointer check against ACPI companion device which is given as function parameter. Thus, there is no need to duplicate this check in the caller. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-06-14Linux 5.8-rc1Linus Torvalds1-2/+2
2020-06-14security: Add LSM hooks to set*gid syscallsThomas Cedeno5-1/+40
The SafeSetID LSM uses the security_task_fix_setuid hook to filter set*uid() syscalls according to its configured security policy. In preparation for adding analagous support in the LSM for set*gid() syscalls, we add the requisite hook here. Tested by putting print statements in the security_task_fix_setgid hook and seeing them get hit during kernel boot. Signed-off-by: Thomas Cedeno <thomascedeno@google.com> Signed-off-by: Micah Morton <mortonm@chromium.org>
2020-06-14Revert "btrfs: switch to iomap_dio_rw() for dio"David Sterba4-166/+169
This reverts commit a43a67a2d715540c1368b9501a22b0373b5874c0. This patch reverts the main part of switching direct io implementation to iomap infrastructure. There's a problem in invalidate page that couldn't be solved as regression in this development cycle. The problem occurs when buffered and direct io are mixed, and the ranges overlap. Although this is not recommended, filesystems implement measures or fallbacks to make it somehow work. In this case, fallback to buffered IO would be an option for btrfs (this already happens when direct io is done on compressed data), but the change would be needed in the iomap code, bringing new semantics to other filesystems. Another problem arises when again the buffered and direct ios are mixed, invalidation fails, then -EIO is set on the mapping and fsync will fail, though there's no real error. There have been discussions how to fix that, but revert seems to be the least intrusive option. Link: https://lore.kernel.org/linux-btrfs/20200528192103.xm45qoxqmkw7i5yl@fiona/ Signed-off-by: David Sterba <dsterba@suse.com>
2020-06-13net: ethernet: ti: ale: fix allmulti for nu type aleGrygorii Strashko1-9/+40
On AM65xx MCU CPSW2G NUSS and 66AK2E/L NUSS allmulti setting does not allow unregistered mcast packets to pass. This happens, because ALE VLAN entries on these SoCs do not contain port masks for reg/unreg mcast packets, but instead store indexes of ALE_VLAN_MASK_MUXx_REG registers which intended for store port masks for reg/unreg mcast packets. This path was missed by commit 9d1f6447274f ("net: ethernet: ti: ale: fix seeing unreg mcast packets with promisc and allmulti disabled"). Hence, fix it by taking into account ALE type in cpsw_ale_set_allmulti(). Fixes: 9d1f6447274f ("net: ethernet: ti: ale: fix seeing unreg mcast packets with promisc and allmulti disabled") Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-13net: ethernet: ti: am65-cpsw-nuss: fix ale parameters initGrygorii Strashko1-1/+1
The ALE parameters structure is created on stack, so it has to be reset before passing to cpsw_ale_create() to avoid garbage values. Fixes: 93a76530316a ("net: ethernet: ti: introduce am65x/j721e gigabit eth subsystem driver") Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-13net: atm: Remove the error message according to the atomic contextLiao Pingfang1-3/+1
Looking into the context (atomic!) and the error message should be dropped. Signed-off-by: Liao Pingfang <liao.pingfang@zte.com.cn> Signed-off-by: David S. Miller <davem@davemloft.net>