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2023-04-27Merge tag 'char-misc-6.4-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc drivers updates from Greg KH: "Here is the "big" set of char/misc and other driver subsystems for 6.4-rc1. It's pretty big, but due to the removal of pcmcia drivers, almost breaks even for number of lines added vs. removed, a nice change. Included in here are: - removal of unused PCMCIA drivers (finally!) - Interconnect driver updates and additions - Lots of IIO driver updates and additions - MHI driver updates - Coresight driver updates - NVMEM driver updates, which required some OF updates - W1 driver updates and a new maintainer to manage the subsystem - FPGA driver updates - New driver subsystem, CDX, for AMD systems - lots of other small driver updates and additions All of these have been in linux-next for a while with no reported issues" * tag 'char-misc-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (196 commits) mcb-lpc: Reallocate memory region to avoid memory overlapping mcb-pci: Reallocate memory region to avoid memory overlapping mcb: Return actual parsed size when reading chameleon table kernel/configs: Drop Android config fragments virt: acrn: Replace obsolete memalign() with posix_memalign() spmi: Add a check for remove callback when removing a SPMI driver spmi: fix W=1 kernel-doc warnings spmi: mtk-pmif: Drop of_match_ptr for ID table spmi: pmic-arb: Convert to platform remove callback returning void spmi: mtk-pmif: Convert to platform remove callback returning void spmi: hisi-spmi-controller: Convert to platform remove callback returning void w1: gpio: remove unnecessary ENOMEM messages w1: omap-hdq: remove unnecessary ENOMEM messages w1: omap-hdq: add SPDX tag w1: omap-hdq: allow compile testing w1: matrox: remove unnecessary ENOMEM messages w1: matrox: use inline over __inline__ w1: matrox: switch from asm to linux header w1: ds2482: do not use assignment in if condition w1: ds2482: drop unnecessary header ...
2023-04-27Merge tag 'driver-core-6.4-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core updates from Greg KH: "Here is the large set of driver core changes for 6.4-rc1. Once again, a busy development cycle, with lots of changes happening in the driver core in the quest to be able to move "struct bus" and "struct class" into read-only memory, a task now complete with these changes. This will make the future rust interactions with the driver core more "provably correct" as well as providing more obvious lifetime rules for all busses and classes in the kernel. The changes required for this did touch many individual classes and busses as many callbacks were changed to take const * parameters instead. All of these changes have been submitted to the various subsystem maintainers, giving them plenty of time to review, and most of them actually did so. Other than those changes, included in here are a small set of other things: - kobject logging improvements - cacheinfo improvements and updates - obligatory fw_devlink updates and fixes - documentation updates - device property cleanups and const * changes - firwmare loader dependency fixes. All of these have been in linux-next for a while with no reported problems" * tag 'driver-core-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (120 commits) device property: make device_property functions take const device * driver core: update comments in device_rename() driver core: Don't require dynamic_debug for initcall_debug probe timing firmware_loader: rework crypto dependencies firmware_loader: Strip off \n from customized path zram: fix up permission for the hot_add sysfs file cacheinfo: Add use_arch[|_cache]_info field/function arch_topology: Remove early cacheinfo error message if -ENOENT cacheinfo: Check cache properties are present in DT cacheinfo: Check sib_leaf in cache_leaves_are_shared() cacheinfo: Allow early level detection when DT/ACPI info is missing/broken cacheinfo: Add arm64 early level initializer implementation cacheinfo: Add arch specific early level initializer tty: make tty_class a static const structure driver core: class: remove struct class_interface * from callbacks driver core: class: mark the struct class in struct class_interface constant driver core: class: make class_register() take a const * driver core: class: mark class_release() as taking a const * driver core: remove incorrect comment for device_create* MIPS: vpe-cmp: remove module owner pointer from struct class usage. ...
2023-03-24Merge tag 'drm-intel-next-2023-03-23' of ↵Daniel Vetter
git://anongit.freedesktop.org/drm/drm-intel into drm-next Core Changes: - drm: Add SDP Error Detection Configuration Register (Arun) Driver Changes: - Meteor Lake enabling and fixes (RK, Jose, Madhumitha) - Lock the fbdev obj before vma pin (Tejas) - DSC fixes (Stanislav) - Fixes and clean-up on opregion code (Imre) - More wm/vblank stuff (Ville) - More general display code organization (Jani) - DP Fixes (Stanislav, Ville) - Introduce flags to ignore long HPD and link training issues \ for handling spurious issues on CI (Vinod) - Plane cleanups and extra registers (Ville) - Update audio keepalive clock values (Clint) - Rename find_section to bdb_find_section (Maarten) - DP SDP CRC16 for 128b132b link layer (Arun) - Fix various issues with noarm register writes (Ville) - Fix a few TypeC / MST issues (Imre) - Create GSC submission targeting HDCP and PXP usages on MTL+ (Suraj) - Enable HDCP2.x via GSC CS (Suraj) Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> From: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/ZBy56qc9C00tCLOY@intel.com
2023-03-23mei: Move uuid.h to the MEI namespaceAndy Shevchenko
There is only a single user of the UUID uAPI, let's make it part of that user. The way it's done is to prevent compilation time breakage for the user space that does #include <linux/uuid.h> In the future MEI user space tools can switch over to use mei_uuid.h. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20230310170747.22782-1-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-03-23drm/i915/hdcp: Refactor HDCP API structuresSuraj Kandpal
It requires to move intel specific HDCP API structures to i915_hdcp_interface.h from driver/misc/mei/hdcp/mei_hdcp.h so that any content protection fw interfaces can use these structures. Cc: Tomas Winkler <tomas.winkler@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Uma Shankar <uma.shankar@intel.com> Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com> Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com> Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Reviewed-by: Uma Shankar <uma.shankar@intel.com> Signed-off-by: Uma Shankar <uma.shankar@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230316092927.668980-5-suraj.kandpal@intel.com
2023-03-23drm/i915/hdcp: Use generic names for HDCP helpers and structsAnshuman Gupta
pre MTL we interact with mei interface to talk to firmware and enable CP but going forward we will talk to gsc cs because of which we are making all names for HDCP helpers and structures generic as either mei or gsc cs maybe used. Change the include/drm/i915_mei_hdcp_interface.h to include/drm/i915_hdcp_interface.h Change the i915_hdcp_interface.h header naming convention to suit generic f/w type. %s/MEI_/HDCP_ %s/mei_dev/hdcp_dev Change structure name Accordingly. %s/i915_hdcp_comp_master/i915_hdcp_master %s/i915_hdcp_component_ops/i915_hdcp_ops --v6 -make each patch build individually [Jani] --v8 -change ME FW to ME/GSC FW [Ankit] -fix formatting issue [Ankit] --v9 -fix commit message and header [Uma] --v10 -rename comp variable [Uma] Cc: Tomas Winkler <tomas.winkler@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Uma Shankar <uma.shankar@intel.com> Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com> Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com> Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Reviewed-by: Uma Shankar <uma.shankar@intel.com> Acked-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Uma Shankar <uma.shankar@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230316092927.668980-3-suraj.kandpal@intel.com
2023-03-17driver core: class: remove module * from class_create()Greg Kroah-Hartman
The module pointer in class_create() never actually did anything, and it shouldn't have been requred to be set as a parameter even if it did something. So just remove it and fix up all callers of the function in the kernel tree at the same time. Cc: "Rafael J. Wysocki" <rafael@kernel.org> Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Link: https://lore.kernel.org/r/20230313181843.1207845-4-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-03-15Merge tag 'drm-intel-next-2023-03-07' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-intel into drm-next Cross-subsystem Changes: - MEI patches to fix suspend/resume issues with the i915's PXP. (Alexander) Driver Changes: - Registers helpers and clean-ups. (Lucas) - PXP fixes and clean-ups. (Alan, Alexander) - CDCLK related fixes and w/a (Chaitanya, Stanislav) - Move display code to use RMW whenever possible (Andrzej) - PSR fixes (Jouni, Ville) - Implement async_flip mode per plane tracking (Andrzej) - Remove pre-production Workarounds (Matt) - HDMI related fixes (Ankit) - LVDS cleanup (Ville) - Watermark fixes and cleanups (Ville, Jani, Stanilav) - DMC code related fixes, cleanups and improvements (Jani) - Implement fb_dirty for PSR,FBC,DRRS fixes (Jouni) - Initial DSB improvements targeting LUTs loading (Ville) - HWMON related fixes (Ashutosh) - PCI ID updates (Jonathan, Matt Roper) - Fix leak in scatterlist (Matt Atwood) - Fix eDP+DSI dual panel systems (Ville) - Cast iomem to avoid sparese warnings (Jani) - Set default backlight controller index (Jani) - More MTL enabling (RK) - Conversion of display dev_priv towards i915 (Nirmoy) - Improvements in log/debug messages (Ville) - Increase slice_height for DP VDSC (Suraj) - VBT ports improvements (Ville) - Fix platforms without Display (Imre) - Other generic display code clean-ups (Ville, Jani, Rodrigo) - Add RPL-U sub platform (Chaitanya) - Add inverted backlight quirk for HP 14-r206nv (Mavroudis) - Transcoder timing improvements (Ville) - Track audio state per-transcoder (Ville) - Error/underrun interrupt fixes (Ville) - Update combo PHY init sequence (Matt Roper) - Get HDR DPCD refresh timeout (Ville) - Vblank improvements (Ville) - DSS fixes and cleanups (Jani) - PM code cleanup (Jani) - Split display parts related to RPS (Jani) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/ZAez4aekcob8fTeh@intel.com
2023-02-24Merge tag 'driver-core-6.3-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core updates from Greg KH: "Here is the large set of driver core changes for 6.3-rc1. There's a lot of changes this development cycle, most of the work falls into two different categories: - fw_devlink fixes and updates. This has gone through numerous review cycles and lots of review and testing by lots of different devices. Hopefully all should be good now, and Saravana will be keeping a watch for any potential regression on odd embedded systems. - driver core changes to work to make struct bus_type able to be moved into read-only memory (i.e. const) The recent work with Rust has pointed out a number of areas in the driver core where we are passing around and working with structures that really do not have to be dynamic at all, and they should be able to be read-only making things safer overall. This is the contuation of that work (started last release with kobject changes) in moving struct bus_type to be constant. We didn't quite make it for this release, but the remaining patches will be finished up for the release after this one, but the groundwork has been laid for this effort. Other than that we have in here: - debugfs memory leak fixes in some subsystems - error path cleanups and fixes for some never-able-to-be-hit codepaths. - cacheinfo rework and fixes - Other tiny fixes, full details are in the shortlog All of these have been in linux-next for a while with no reported problems" [ Geert Uytterhoeven points out that that last sentence isn't true, and that there's a pending report that has a fix that is queued up - Linus ] * tag 'driver-core-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (124 commits) debugfs: drop inline constant formatting for ERR_PTR(-ERROR) OPP: fix error checking in opp_migrate_dentry() debugfs: update comment of debugfs_rename() i3c: fix device.h kernel-doc warnings dma-mapping: no need to pass a bus_type into get_arch_dma_ops() driver core: class: move EXPORT_SYMBOL_GPL() lines to the correct place Revert "driver core: add error handling for devtmpfs_create_node()" Revert "devtmpfs: add debug info to handle()" Revert "devtmpfs: remove return value of devtmpfs_delete_node()" driver core: cpu: don't hand-override the uevent bus_type callback. devtmpfs: remove return value of devtmpfs_delete_node() devtmpfs: add debug info to handle() driver core: add error handling for devtmpfs_create_node() driver core: bus: update my copyright notice driver core: bus: add bus_get_dev_root() function driver core: bus: constify bus_unregister() driver core: bus: constify some internal functions driver core: bus: constify bus_get_kset() driver core: bus: constify bus_register/unregister_notifier() driver core: remove private pointer from struct bus_type ...
2023-02-08mei: lower the log level for non-fatal failed messagesVitaly Lubart
Some non-fatal log messages should be logged at INFO log level because failure to send/receive them is not breaking mei functionality and may happen during legal firmware resets Signed-off-by: Vitaly Lubart <vitaly.lubart@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20230207115520.846232-2-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-02-08mei: bus: disallow driver match while dismantling deviceAlexander Usyskin
With immediate reply support to enum request and FW reset, a device on MEI bus can be temporarily removed. A driver for a device on MEI bus can try to bind to the device right between bus attempt to remove driver and device structures removal. This leaves device driver with pointers to freed memory of device structures. Avoid bus device driver bind while dismantling device by disallowing device match right before driver release. Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20230207115520.846232-1-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-02-03mei: Move uuid_le_cmp() to its only userAndy Shevchenko
There is only a single user of uuid_le_cmp() API, let's make it private to that user. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20230202145412.87569-1-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-27mei: clean pending read with vtag on busAlexander Usyskin
Client on bus have only one vtag map slot and should disregard the vtag value when cleaning pending read flag. Fixes read flow control message unexpectedly generated when clent on bus send messages with different vtags. Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Reviewed-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Alan Previn <alan.previn.teres.alexis@intel.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230125082637.118970-4-alan.previn.teres.alexis@intel.com
2023-01-27mei: mei-me: resume device in prepareAlexander Usyskin
Asynchronous runtime resume is not possible while the system is suspending. The power management subsystem resumes the device only in the suspend phase, not in the prepare phase. Force resume device in prepare to allow drivers on mei bus to communicate in their prepare callbacks. Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Reviewed-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Alan Previn <alan.previn.teres.alexis@intel.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230125082637.118970-2-alan.previn.teres.alexis@intel.com
2023-01-27driver core: make struct bus_type.uevent() take a const *Greg Kroah-Hartman
The uevent() callback in struct bus_type should not be modifying the device that is passed into it, so mark it as a const * and propagate the function signature changes out into all relevant subsystems that use this callback. Acked-by: Rafael J. Wysocki <rafael@kernel.org> Acked-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20230111113018.459199-16-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-22Merge 6.2-rc5 into char-misc-nextGreg Kroah-Hartman
We need the char/misc driver fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-20mei: me: add meteor lake point M DIDAlexander Usyskin
Add Meteor Lake Point M device id. Cc: <stable@vger.kernel.org> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20221212220247.286019-2-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-20mei: bus: fix unlink on bus in error pathAlexander Usyskin
Unconditional call to mei_cl_unlink in mei_cl_bus_dev_release leads to call of the mei_cl_unlink without corresponding mei_cl_link. This leads to miscalculation of open_handle_count (decrease without increase). Call unlink in mei_cldev_enable fail path and remove blanket unlink from mei_cl_bus_dev_release. Fixes: 34f1166afd67 ("mei: bus: need to unlink client before freeing") Cc: <stable@vger.kernel.org> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Reviewed-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20221212220247.286019-1-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-20misc/mei/hdcp: Use correct macros to initialize uuid_leAndy Shevchenko
GUID_INIT() is for internal guid_t type and shouldn't be used for the uuid_le. I.o.w. relying on the implementation details is layering violation. Use correct macros to initialize uuid_le. Fixes: 64e9bbdd9588 ("misc/mei/hdcp: Client driver for HDCP application") Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20221228160500.21220-1-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-20mei: pxp: Use correct macros to initialize uuid_leAndy Shevchenko
GUID_INIT() is for internal guid_t type and shouldn't be used for the uuid_le. I.o.w. relying on the implementation details is layering violation. Use correct macros to initialize uuid_le. Fixes: c2004ce99ed7 ("mei: pxp: export pavp client to me client bus") Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20221228160558.21311-1-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-20mei: bus-fixup:upon error print return values of send and receiveAlexander Usyskin
For easier debugging, upon error, print also return values from __mei_cl_recv() and __mei_cl_send() functions. Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20221212214933.275434-1-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-12-16Merge tag 'char-misc-6.2-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver updates from Greg KH: "Here is the large set of char/misc and other driver subsystem changes for 6.2-rc1. Nothing earth-shattering in here at all, just a lot of new driver development and minor fixes. Highlights include: - fastrpc driver updates - iio new drivers and updates - habanalabs driver updates for new hardware and features - slimbus driver updates - speakup module parameters added to aid in boot time configuration - i2c probe_new conversions for lots of different drivers - other small driver fixes and additions One semi-interesting change in here is the increase of the number of misc dynamic minors available to 1048448 to handle new huge-cpu systems. All of these have been in linux-next for a while with no reported problems" * tag 'char-misc-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (521 commits) extcon: usbc-tusb320: Convert to i2c's .probe_new() extcon: rt8973: Convert to i2c's .probe_new() extcon: fsa9480: Convert to i2c's .probe_new() extcon: max77843: Replace irqchip mask_invert with unmask_base chardev: fix error handling in cdev_device_add() mcb: mcb-parse: fix error handing in chameleon_parse_gdd() drivers: mcb: fix resource leak in mcb_probe() coresight: etm4x: fix repeated words in comments coresight: cti: Fix null pointer error on CTI init before ETM coresight: trbe: remove cpuhp instance node before remove cpuhp state counter: stm32-lptimer-cnt: fix the check on arr and cmp registers update misc: fastrpc: Add dma_mask to fastrpc_channel_ctx misc: fastrpc: Add mmap request assigning for static PD pool misc: fastrpc: Safekeep mmaps on interrupted invoke misc: fastrpc: Add support for audiopd misc: fastrpc: Rework fastrpc_req_munmap misc: fastrpc: Use fastrpc_map_put in fastrpc_map_create on fail misc: fastrpc: Add fastrpc_remote_heap_alloc misc: fastrpc: Add reserved mem support misc: fastrpc: Rename audio protection domain to root ...
2022-11-23mei: bus-fixup: change pxp mode only if message was sentAlexander Usyskin
Move PXP mode state machine to SETUP mode only if memory ready message sent successfully to the firmware. Leave it in INIT mode otherwise to allow try to send message later. Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Link: https://lore.kernel.org/r/20221116124735.2493847-3-alexander.usyskin@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-11-23mei: add timeout to sendAlexander Usyskin
When driver wakes up the firmware from the low power state, it is sending a memory ready message. The send is done via synchronous/blocking function to ensure that firmware is in ready state. However, in case of firmware undergoing reset send might be block forever. To address this issue a timeout is added to blocking write command on the internal bus. Introduce the __mei_cl_send_timeout function to use instead of __mei_cl_send in cases where timeout is required. The mei_cl_write has only two callers and there is no need to split it into two functions. Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Link: https://lore.kernel.org/r/20221116124735.2493847-2-alexander.usyskin@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-11-04Merge tag 'drm-intel-gt-next-2022-11-03' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-intel into drm-next Driver Changes: - Fix for #7306: [Arc A380] white flickering when using arc as a secondary gpu (Matt A) - Add Wa_18017747507 for DG2 (Wayne) - Avoid spurious WARN on DG1 due to incorrect cache_dirty flag (Niranjana, Matt A) - Corrections to CS timestamp support for Gen5 and earlier (Ville) - Fix a build error used with clang compiler on hwmon (GG) - Improvements to LMEM handling with RPM (Anshuman, Matt A) - Cleanups in dmabuf code (Mike) - Selftest improvements (Matt A) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/Y2N11wu175p6qeEN@jlahtine-mobl.ger.corp.intel.com
2022-10-08Merge tag 'char-misc-6.1-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc and other driver updates from Greg KH: "Here is the large set of char/misc and other small driver subsystem changes for 6.1-rc1. Loads of different things in here: - IIO driver updates, additions, and changes. Probably the largest part of the diffstat - habanalabs driver update with support for new hardware and features, the second largest part of the diff. - fpga subsystem driver updates and additions - mhi subsystem updates - Coresight driver updates - gnss subsystem updates - extcon driver updates - icc subsystem updates - fsi subsystem updates - nvmem subsystem and driver updates - misc driver updates - speakup driver additions for new features - lots of tiny driver updates and cleanups All of these have been in the linux-next tree for a while with no reported issues" * tag 'char-misc-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (411 commits) w1: Split memcpy() of struct cn_msg flexible array spmi: pmic-arb: increase SPMI transaction timeout delay spmi: pmic-arb: block access for invalid PMIC arbiter v5 SPMI writes spmi: pmic-arb: correct duplicate APID to PPID mapping logic spmi: pmic-arb: add support to dispatch interrupt based on IRQ status spmi: pmic-arb: check apid against limits before calling irq handler spmi: pmic-arb: do not ack and clear peripheral interrupts in cleanup_irq spmi: pmic-arb: handle spurious interrupt spmi: pmic-arb: add a print in cleanup_irq drivers: spmi: Directly use ida_alloc()/free() MAINTAINERS: add TI ECAP driver info counter: ti-ecap-capture: capture driver support for ECAP Documentation: ABI: sysfs-bus-counter: add frequency & num_overflows items dt-bindings: counter: add ti,am62-ecap-capture.yaml counter: Introduce the COUNTER_COMP_ARRAY component type counter: Consolidate Counter extension sysfs attribute creation counter: Introduce the Count capture component counter: 104-quad-8: Add Signal polarity component counter: Introduce the Signal polarity component counter: interrupt-cnt: Implement watch_validate callback ...
2022-10-03mei: pxp: support matching with a gfx discrete cardTomas Winkler
With on-boards graphics card, both i915 and MEI are in the same device hierarchy with the same parent, while for discrete gfx card the MEI is its child device. Adjust the match function for that scenario by matching MEI parent device with i915. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: Vitaly Lubart <vitaly.lubart@intel.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Alan Previn <alan.previn.teres.alexis@intel.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220928004145.745803-7-daniele.ceraolospurio@intel.com
2022-10-03mei: pxp: add command streamer API to the PXP driverVitaly Lubart
The discrete graphics card with GSC firmware using command streamer API hence it requires to enhance pxp module with the new gsc_command() handler. The handler is implemented via mei_pxp_gsc_command() which is just a thin wrapper around mei_cldev_send_gsc_command() Signed-off-by: Vitaly Lubart <vitaly.lubart@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Alan Previn <alan.previn.teres.alexis@intel.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220928004145.745803-6-daniele.ceraolospurio@intel.com
2022-10-03mei: bus: extend bus API to support command streamer APIVitaly Lubart
Add mei bus API for sending gsc commands: mei_cldev_send_gsc_command() The GSC commands are originated in the graphics stack and are in form of SGL DMA buffers. The GSC commands are synchronous, the response is received in the same call on the out sg list buffers. The function setups pointers for in and out sg lists in the mei sgl extended header and sends it to the firmware. Signed-off-by: Vitaly Lubart <vitaly.lubart@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220928004145.745803-5-daniele.ceraolospurio@intel.com
2022-10-03mei: adjust extended header kdocsTomas Winkler
Fix kdoc for struct mei_ext_hdr and mei_ext_begin(). Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220928004145.745803-4-daniele.ceraolospurio@intel.com
2022-10-03mei: bus: enable sending gsc commandsTomas Winkler
GSC command is and extended header containing a scatter gather list and without a data buffer. Using MEI_CL_IO_SGL flag, the caller send the GSC command as a data and the function internally moves it to the extended header. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: Vitaly Lubart <vitaly.lubart@intel.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220928004145.745803-3-daniele.ceraolospurio@intel.com
2022-10-03mei: add support to GSC extended headerTomas Winkler
GSC extend header is of variable size and data is provided in a sgl list inside the header and not in the data buffers, need to enable the path. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: Vitaly Lubart <vitaly.lubart@intel.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220928004145.745803-2-daniele.ceraolospurio@intel.com
2022-09-24mei: gsc: Remove redundant dev_err callShang XiaoJing
devm_ioremap_resource() prints error message in itself. Remove the dev_err call to avoid redundant error message. Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com> Link: https://lore.kernel.org/r/20220923100841.17719-1-shangxiaojing@huawei.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-09-24mei: fix repeated words in commentsJilin Yuan
Delete the redundant word 'from'. Acked-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Jilin Yuan <yuanjilin@cdjrlc.com> Link: https://lore.kernel.org/r/20220918100431.28381-1-yuanjilin@cdjrlc.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-09-21Merge tag 'drm-intel-gt-next-2022-09-16' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-intel into drm-next Cross-subsystem Changes: - MEI subsystem pieces for XeHP SDV GSC support These are Acked-by Greg. Driver Changes: - Release mmaps on RPM suspend on discrete GPUs (Anshuman) - Update GuC version to 7.5 on DG1, DG2 and ADL - Revert "drm/i915/dg2: extend Wa_1409120013 to DG2" (Lucas) - MTL enabling incl. standalone media (Matt R, Lucas) - Explicitly clear BB_OFFSET for new contexts on Gen8+ (Chris) - Fix throttling / perf limit reason decoding (Ashutosh) - XeHP SDV GSC support (Vitaly, Alexander, Tomas) - Fix issues with overrding firmware file paths (John) - Invert if-else ladders to check latest version first (Lucas) - Cancel GuC engine busyness worker synchronously (Umesh) - Skip applying copy engine fuses outside PVC (Lucas) - Eliminate Gen10 frequency read function (Lucas) - Static code checker fixes (Gaosheng) - Selftest improvements (Chris) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/YyQ4Jgl3cpGL1/As@jlahtine-mobl.ger.corp.intel.com
2022-09-12mei: debugfs: add pxp mode to devstate in debugfsTomas Winkler
Add pxp mode devstate to debugfs to monitor pxp state machine progress. This is useful to debug issues in scenarios in which the pxp state needs to be re-initialized, like during power transitions such as suspend/resume. With this debugfs the state could be monitored to ensure that pxp is in the ready state. CC: Vitaly Lubart <vitaly.lubart@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220907215113.1596567-15-tomas.winkler@intel.com Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2022-09-12mei: drop ready bits check after startAlexander Usyskin
The check that hardware and host ready bits are set after start is redundant and may fail and disable driver if there is back-to-back link reset issued right after start. This happens during pxp mode transitions when firmware undergo reset. Remove these checks to eliminate such failures. Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220907215113.1596567-14-tomas.winkler@intel.com Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2022-09-12mei: gsc: add transition to PXP mode in resume flowVitaly Lubart
Added transition to PXP mode in resume flow. CC: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Vitaly Lubart <vitaly.lubart@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220907215113.1596567-13-tomas.winkler@intel.com Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2022-09-12mei: gsc: setup gsc extended operational memoryTomas Winkler
1. Retrieve extended operational memory physical pointers from the auxiliary device info. 2. Setup memory registers. 3. Notify firmware that the memory is ready by sending the memory ready command. 4. Disable PXP device if GSC is not in PXP mode. CC: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220907215113.1596567-12-tomas.winkler@intel.com Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2022-09-12mei: mkhi: add memory ready commandTomas Winkler
Add GSC memory ready command. The command indicates to the firmware that extend operation memory was setup and the firmware may enter PXP mode. CC: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220907215113.1596567-11-tomas.winkler@intel.com Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2022-09-12mei: bus: export common mkhi definitions into a separate headerVitaly Lubart
Exported common mkhi definitions from bus-fixup.c into a separate header file mkhi.h for other driver usage. Signed-off-by: Vitaly Lubart <vitaly.lubart@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220907215113.1596567-10-tomas.winkler@intel.com Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2022-09-12mei: extend timeouts on slow devicesAlexander Usyskin
Parametrize operational timeouts in order to support slow firmware on some graphics devices. Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220907215113.1596567-9-tomas.winkler@intel.com Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2022-09-12mei: gsc: wait for reset thread on stopAlexander Usyskin
Wait for reset work to complete before initiating stop reset flow sequence. Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220907215113.1596567-8-tomas.winkler@intel.com Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2022-09-12mei: gsc: use polling instead of interruptsTomas Winkler
A work-around for a HW issue in XEHPSDV that manifests itself when SW reads a gsc register when gsc is sending an interrupt. The work-around is to disable interrupts and to use polling instead. Cc: James Ausmus <james.ausmus@intel.com> Signed-off-by: Vitaly Lubart <vitaly.lubart@intel.com> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220907215113.1596567-7-tomas.winkler@intel.com Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2022-09-01misc: move from strlcpy with unused retval to strscpyWolfram Sang
Follow the advice of the below link and prefer 'strscpy' in this subsystem. Conversion is 1:1 because the return value is not used. Generated by a coccinelle script. Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/ Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Link: https://lore.kernel.org/r/20220818210031.7036-1-wsa+renesas@sang-engineering.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-07-14mei: me: fix clang -Wformat warningJustin Stitt
When building with Clang we encounter the following warning: | drivers/misc/mei/hw-me.c:564:44: error: format specifies type 'unsigned | short' but the argument has type 'int' [-Werror,-Wformat] | dev_dbg(dev->dev, "empty slots = %hu.\n", empty_slots); The format specifier used is `%hu` which specifies an unsigned short, however, empty_slots is an int -- hence the warning. Link: https://github.com/ClangBuiltLinux/linux/issues/378 Tested-by: Nick Desaulniers <ndesaulniers@google.com> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Justin Stitt <justinstitt@google.com> Link: https://lore.kernel.org/r/20220708203549.3834790-1-justinstitt@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-06-10mei: me: add raptor lake point S DIDAlexander Usyskin
Add Raptor (Point) Lake S device id. Cc: <stable@vger.kernel.org> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20220606144225.282375-3-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-06-10mei: hbm: drop capability response on early shutdownAlexander Usyskin
Drop HBM responses also in the early shutdown phase where the usual traffic is allowed. Extend the rule that drop HBM responses received during the shutdown phase by also in MEI_DEV_POWERING_DOWN state. This resolves the stall if the driver is stopping in the middle of the link initialization or link reset. Drop the capabilities response on early shutdown. Fixes: 6d7163f2c49f ("mei: hbm: drop hbm responses on early shutdown") Cc: <stable@vger.kernel.org> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20220606144225.282375-2-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-06-10mei: me: set internal pg flag to off on hardware resetAlexander Usyskin
Link reset flow is always performed in the runtime resumed state. The internal PG state may be left as ON after the suspend and will not be updated upon the resume if the D0i3 is not supported. Ensure that the internal PG state is set to the right value on the flow entrance in case the firmware does not support D0i3. Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20220606144225.282375-1-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-06-03Merge tag 'usb-5.19-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB / Thunderbolt updates from Greg KH: "Here is the "big" set of USB and Thunderbolt driver changes for 5.18-rc1. For the most part it's been a quiet development cycle for the USB core, but there are the usual "hot spots" of development activity. Included in here are: - Thunderbolt driver updates: - fixes for devices without displayport adapters - lane bonding support and improvements - other minor changes based on device testing - dwc3 gadget driver changes. It seems this driver will never be finished given that the IP core is showing up in zillions of new devices and each implementation decides to do something different with it... - uvc gadget driver updates as more devices start to use and rely on this hardware as well - usb_maxpacket() api changes to remove an unneeded and unused parameter. - usb-serial driver device id updates and small cleanups - typec cleanups and fixes based on device testing - device tree updates for usb properties - lots of other small fixes and driver updates. All of these have been in linux-next for weeks with no reported problems" * tag 'usb-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (154 commits) USB: new quirk for Dell Gen 2 devices usb: dwc3: core: Add error log when core soft reset failed usb: dwc3: gadget: Move null pinter check to proper place usb: hub: Simplify error and success path in port_over_current_notify usb: cdns3: allocate TX FIFO size according to composite EP number usb: dwc3: Fix ep0 handling when getting reset while doing control transfer usb: Probe EHCI, OHCI controllers asynchronously usb: isp1760: Fix out-of-bounds array access xhci: Don't defer primary roothub registration if there is only one roothub USB: serial: option: add Quectel BG95 modem USB: serial: pl2303: fix type detection for odd device xhci: Allow host runtime PM as default for Intel Alder Lake N xHCI xhci: Remove quirk for over 10 year old evaluation hardware xhci: prevent U2 link power state if Intel tier policy prevented U1 xhci: use generic command timer for stop endpoint commands. usb: host: xhci-plat: omit shared hcd if either root hub has no ports usb: host: xhci-plat: prepare operation w/o shared hcd usb: host: xhci-plat: create shared hcd after having added main hcd xhci: prepare for operation w/o shared hcd xhci: factor out parts of xhci_gen_setup() ...
generated by cgit (git 2.34.1) at 2025-07-17 23:10:42 +0000