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2021-04-29rtc: omap: use rtc_write to access OMAP_RTC_OSC_REGDario Binacchi1-3/+2
The RTC_OSC_REG register is 32-bit, but the useful information is found in the 7 least significant bits (bits 7-31 are reserved). And in fact, as you can see from the code, all read accesses are 8-bit, as well as some writes. Let's make sure all writes are 8-bit. Moreover, in contexts where consecutive reads / writes after the busy check must take place within 15 us, it is better not to waste time on useless accesses. Signed-off-by: Dario Binacchi <dariobin@libero.it> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210425145924.23353-1-dariobin@libero.it
2021-04-29rtc: s5m: Remove reference to parent's device pdataKrzysztof Kozlowski1-6/+0
The S5M RTC driver does not use parent's device (sec-core PMIC driver) platform data so there is no need to check for it. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210420170244.13467-3-krzysztof.kozlowski@canonical.com
2021-04-29rtc: ds1307: Fix wday settings for rx8130Nobuhiro Iwamatsu1-2/+10
rx8130 wday specifies the bit position, not BCD. Fixes: ee0981be7704 ("rtc: ds1307: Add support for Epson RX8130CE") Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210420023917.1949066-1-nobuhiro1.iwamatsu@toshiba.co.jp
2021-04-29rtc: pcf8523: report oscillator failuresAlexandre Belloni1-2/+11
Report oscillator failures and invalid date/time on RTC_VL_READ. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210418002023.1000265-3-alexandre.belloni@bootlin.com
2021-04-29rtc: pcf8523: add alarm supportAlexandre Belloni1-0/+179
Alarm support requires unconditionally disabling clock out because it is using the int1 pin. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210418002023.1000265-2-alexandre.belloni@bootlin.com
2021-04-29rtc: pcf8523: remove useless defineAlexandre Belloni1-3/+1
Drop DRIVER_NAME as it is only used once Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210418002023.1000265-1-alexandre.belloni@bootlin.com
2021-04-29rtc: rtc_update_irq_enable: rework UIE emulationAlexandre Belloni1-24/+10
Now that the core is aware of whether alarms are available, it is possible to decide whether UIE emulation is required before actually trying to set the alarm. This greatly simplifies rtc_update_irq_enable because there is now only one error value to track and is not relying on the return value of __rtc_set_alarm anymore. Tested-by: Łukasz Stelmach <l.stelmach@samsung.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210418000023.995758-3-alexandre.belloni@bootlin.com
2021-04-29rtc: ds1307: remove flagsAlexandre Belloni1-2/+0
flags is now unused, drop it. Tested-by: Łukasz Stelmach <l.stelmach@samsung.com> Reviewed-by: Łukasz Stelmach <l.stelmach@samsung.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210418000023.995758-2-alexandre.belloni@bootlin.com
2021-04-29rtc: ds1307: replace HAS_ALARM by RTC_FEATURE_ALARMAlexandre Belloni1-35/+7
The core now has RTC_FEATURE_ALARM for the driver to indicate whether alarms are available. Use that instead of HAS_ALARM to ensure the alarm callbacks are not even called. Tested-by: Łukasz Stelmach <l.stelmach@samsung.com> Reviewed-by: Łukasz Stelmach <l.stelmach@samsung.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210418000023.995758-1-alexandre.belloni@bootlin.com
2021-04-29rtc: imx-sc: remove .read_alarmAlexandre Belloni1-11/+0
The RTC core properly handles RTC without .read_alarm and doesn't use it to set alarms. .read_alarm can be safely dropped. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Reviewed-by: Fabio Estevam <festevam@gmail.com> Link: https://lore.kernel.org/r/20210417235205.994119-1-alexandre.belloni@bootlin.com
2021-04-17rtc: ds1511: remove unused functionJiapeng Chong1-6/+0
Fix the following clang warning: drivers/rtc/rtc-ds1511.c:108:1: warning: unused function 'rtc_write_alarm' [-Wunused-function]. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/1618475821-102974-1-git-send-email-jiapeng.chong@linux.alibaba.com
2021-04-17rtc: fsl-ftm-alarm: add MODULE_TABLE()Michael Walle1-0/+1
The module doesn't load automatically. Fix it by adding the missing MODULE_TABLE(). Fixes: 7b0b551dbc1e ("rtc: fsl-ftm-alarm: add FTM alarm driver") Signed-off-by: Michael Walle <michael@walle.cc> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210414084006.17933-1-michael@walle.cc
2021-04-17rtc: rtc-spear: replace spin_lock_irqsave by spin_lock in hard IRQTian Tao1-3/+3
The code has been in a irq-disabled context since it is hard IRQ. There is no necessity to do it again. Signed-off-by: Tian Tao <tiantao6@hisilicon.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/1615775970-59070-1-git-send-email-tiantao6@hisilicon.com
2021-04-17dt-bindings: rtc: qcom-pm8xxx-rtc: Add qcom pm8xxx rtc bindingssatya priya1-0/+62
Add binding doc for qcom pm8xxx rtc device. Signed-off-by: satya priya <skakit@codeaurora.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reported-by: kernel test robot <lkp@intel.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/1617976766-7852-5-git-send-email-skakit@codeaurora.org
2021-04-17rtc: pm8xxx: Add RTC support for PMIC PMK8350satya priya1-0/+11
Add the comaptible string for PMIC PMK8350. Signed-off-by: satya priya <skakit@codeaurora.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/1617976766-7852-2-git-send-email-skakit@codeaurora.org
2021-04-17rtc: ab-eoz9: make use of RTC_FEATURE_ALARMLiam Beguin1-6/+2
Move the alarm callbacks in rtc_ops and use RTC_FEATURE_ALARM to notify the core whether alarm capabilities are available or not. Signed-off-by: Liam Beguin <lvb@xiphos.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210408024028.3526564-4-liambeguin@gmail.com
2021-04-17rtc: ab-eoz9: add alarm supportLiam Beguin1-0/+136
Add alarm support for the rtc-ab-eoz9. Signed-off-by: Liam Beguin <lvb@xiphos.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210408024028.3526564-3-liambeguin@gmail.com
2021-04-17rtc: ab-eoz9: set regmap max_registerLiam Beguin1-0/+1
Set regmap's max_register property to allow users to dump registers using debufgs. Signed-off-by: Liam Beguin <lvb@xiphos.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210408024028.3526564-2-liambeguin@gmail.com
2021-04-16rtc: pcf85063: fallback to parent of_nodeFrancois Gervais1-4/+3
The rtc device node is always NULL. Since v5.12-rc1-dontuse/3c9ea42802a1fbf7ef29660ff8c6e526c58114f6 this will lead to a NULL pointer dereference. To fix this use the parent node which is the i2c client node as set by devm_rtc_allocate_device(). Using the i2c client node seems to be what other similar drivers do e.g. rtc-pcf8563.c. Signed-off-by: Francois Gervais <fgervais@distech-controls.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210310211026.27299-1-fgervais@distech-controls.com
2021-04-16rtc: goldfish: remove dependency to OFLaurent Vivier1-1/+1
We want to use the goldfish RTC on a machine without OF. As there is no real dependency on it, remove the OF dependency from the goldfish entry in Kconfig Signed-off-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210323221430.3735147-2-laurent@vivier.eu
2021-03-23rtc: rx6110: add ACPI bindings to I2CJohannes Hahn1-0/+7
This allows the RX6110 driver to be automatically assigned to the right device on the I2C bus. Signed-off-by: Johannes Hahn <johannes-hahn@siemens.com> Co-developed-by: Claudius Heine <ch@denx.de> Signed-off-by: Claudius Heine <ch@denx.de> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210317075228.683184-1-ch@denx.de
2021-03-16rtc: mxc: Remove unneeded of_match_ptr()Fabio Estevam1-1/+1
i.MX is a DT-only platform, so of_match_ptr() can be safely removed. Remove the unneeded of_match_ptr(). Signed-off-by: Fabio Estevam <festevam@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210315235800.200137-1-festevam@gmail.com
2021-03-15rtc: imxdi: Convert to a DT-only driverFabio Estevam2-3/+2
i.MX has been converted to a DT-only platform, so make the driver depend on OF, remove the CONFIG_OF ifdefery and remove of_match_ptr(). Signed-off-by: Fabio Estevam <festevam@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210315172029.173250-1-festevam@gmail.com
2021-03-15rtc: rv3028: correct weekday register usageHeiko Schocher1-2/+2
The datasheet for the rv3028 says the weekday has exact 3 bits and in chapter 3.4.0 for the "3h–Weekday" register it says: """ This register holds the current day of the week. Each value represents one weekday that is assigned by the user. Values will range from 0 to 6 The weekday counter is simply a 3-bit counter which counts up to 6 and then resets to 0. """ So do not code weekday bitwise instead, use the raw values from 0-6. Tested on "PHYTEC phyBOARD-Pollux i.MX8MP" board. Signed-off-by: Heiko Schocher <hs@denx.de> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210309134719.1494062-1-hs@denx.de
2021-03-15rtc: tps65910: include linux/property.hArnd Bergmann1-0/+1
The added device_property_present() call causes a build failure in some configurations because of the missing header: drivers/rtc/rtc-tps65910.c:422:7: error: implicit declaration of function 'device_property_present' [-Werror,-Wimplicit-function-declaration] Fixes: 454ba154a62c ("rtc: tps65910: Support wakeup-source property") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20210225134215.2263694-1-arnd@kernel.org
2021-03-11rtc: m48t59: use platform_get_irq_optionalAlexandre Belloni1-1/+1
The IRQ is optional, avoid the error message by using platform_get_irq_optional. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2021-03-05Linux 5.12-rc2v5.12-rc2Linus Torvalds1-1/+1
2021-03-05Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdmaLinus Torvalds8-62/+76
Pull rdma fixes from Jason Gunthorpe: "Nothing special here, though Bob's regression fixes for rxe would have made it before the rc cycle had there not been such strong winter weather! - Fix corner cases in the rxe reference counting cleanup that are causing regressions in blktests for SRP - Two kdoc fixes so W=1 is clean - Missing error return in error unwind for mlx5 - Wrong lock type nesting in IB CM" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: RDMA/rxe: Fix errant WARN_ONCE in rxe_completer() RDMA/rxe: Fix extra deref in rxe_rcv_mcast_pkt() RDMA/rxe: Fix missed IB reference counting in loopback RDMA/uverbs: Fix kernel-doc warning of _uverbs_alloc RDMA/mlx5: Set correct kernel-doc identifier IB/mlx5: Add missing error code RDMA/rxe: Fix missing kconfig dependency on CRYPTO RDMA/cm: Fix IRQ restore in ib_send_cm_sidr_rep
2021-03-05Merge tag 'gcc-plugins-v5.12-rc2' of ↵Linus Torvalds2-3/+2
git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull gcc-plugins fixes from Kees Cook: "Tiny gcc-plugin fixes for v5.12-rc2. These issues are small but have been reported a couple times now by static analyzers, so best to get them fixed to reduce the noise. :) - Fix coding style issues (Jason Yan)" * tag 'gcc-plugins-v5.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: gcc-plugins: latent_entropy: remove unneeded semicolon gcc-plugins: structleak: remove unneeded variable 'ret'
2021-03-05Merge tag 'pstore-v5.12-rc2' of ↵Linus Torvalds2-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull pstore fixes from Kees Cook: - Rate-limit ECC warnings (Dmitry Osipenko) - Fix error path check for NULL (Tetsuo Handa) * tag 'pstore-v5.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: pstore/ram: Rate-limit "uncorrectable error in header" message pstore: Fix warning in pstore_kill_sb()
2021-03-05Merge tag 'for-5.12/dm-fixes' of ↵Linus Torvalds2-11/+16
git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper fixes from Mike Snitzer: "Fix DM verity target's optional Forward Error Correction (FEC) for Reed-Solomon roots that are unaligned to block size" * tag 'for-5.12/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm verity: fix FEC for RS roots unaligned to block size dm bufio: subtract the number of initial sectors in dm_bufio_get_device_size
2021-03-05Merge tag 'block-5.12-2021-03-05' of git://git.kernel.dk/linux-blockLinus Torvalds16-69/+75
Pull block fixes from Jens Axboe: - NVMe fixes: - more device quirks (Julian Einwag, Zoltán Böszörményi, Pascal Terjan) - fix a hwmon error return (Daniel Wagner) - fix the keep alive timeout initialization (Martin George) - ensure the model_number can't be changed on a used subsystem (Max Gurtovoy) - rsxx missing -EFAULT on copy_to_user() failure (Dan) - rsxx remove unused linux.h include (Tian) - kill unused RQF_SORTED (Jean) - updated outdated BFQ comments (Joseph) - revert work-around commit for bd_size_lock, since we removed the offending user in this merge window (Damien) * tag 'block-5.12-2021-03-05' of git://git.kernel.dk/linux-block: nvmet: model_number must be immutable once set nvme-fabrics: fix kato initialization nvme-hwmon: Return error code when registration fails nvme-pci: add quirks for Lexar 256GB SSD nvme-pci: mark Kingston SKC2000 as not supporting the deepest power state nvme-pci: mark Seagate Nytro XM1440 as QUIRK_NO_NS_DESC_LIST. rsxx: Return -EFAULT if copy_to_user() fails block/bfq: update comments and default value in docs for fifo_expire rsxx: remove unused including <linux/version.h> block: Drop leftover references to RQF_SORTED block: revert "block: fix bd_size_lock use"
2021-03-05Merge tag 'io_uring-5.12-2021-03-05' of git://git.kernel.dk/linux-blockLinus Torvalds6-439/+361
Pull io_uring fixes from Jens Axboe: "A bit of a mix between fallout from the worker change, cleanups and reductions now possible from that change, and fixes in general. In detail: - Fully serialize manager and worker creation, fixing races due to that. - Clean up some naming that had gone stale. - SQPOLL fixes. - Fix race condition around task_work rework that went into this merge window. - Implement unshare. Used for when the original task does unshare(2) or setuid/seteuid and friends, drops the original workers and forks new ones. - Drop the only remaining piece of state shuffling we had left, which was cred. Move it into issue instead, and we can drop all of that code too. - Kill f_op->flush() usage. That was such a nasty hack that we had out of necessity, we no longer need it. - Following from ->flush() removal, we can also drop various bits of ctx state related to SQPOLL and cancelations. - Fix an issue with IOPOLL retry, which originally was fallout from a filemap change (removing iov_iter_revert()), but uncovered an issue with iovec re-import too late. - Fix an issue with system suspend. - Use xchg() for fallback work, instead of cmpxchg(). - Properly destroy io-wq on exec. - Add create_io_thread() core helper, and use that in io-wq and io_uring. This allows us to remove various silly completion events related to thread setup. - A few error handling fixes. This should be the grunt of fixes necessary for the new workers, next week should be quieter. We've got a pending series from Pavel on cancelations, and how tasks and rings are indexed. Outside of that, should just be minor fixes. Even with these fixes, we're still killing a net ~80 lines" * tag 'io_uring-5.12-2021-03-05' of git://git.kernel.dk/linux-block: (41 commits) io_uring: don't restrict issue_flags for io_openat io_uring: make SQPOLL thread parking saner io-wq: kill hashed waitqueue before manager exits io_uring: clear IOCB_WAITQ for non -EIOCBQUEUED return io_uring: don't keep looping for more events if we can't flush overflow io_uring: move to using create_io_thread() kernel: provide create_io_thread() helper io_uring: reliably cancel linked timeouts io_uring: cancel-match based on flags io-wq: ensure all pending work is canceled on exit io_uring: ensure that threads freeze on suspend io_uring: remove extra in_idle wake up io_uring: inline __io_queue_async_work() io_uring: inline io_req_clean_work() io_uring: choose right tctx->io_wq for try cancel io_uring: fix -EAGAIN retry with IOPOLL io-wq: fix error path leak of buffered write hash map io_uring: remove sqo_task io_uring: kill sqo_dead and sqo submission halting io_uring: ignore double poll add on the same waitqueue head ...
2021-03-05Merge tag 'pm-5.12-rc2' of ↵Linus Torvalds3-26/+41
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management fixes from Rafael Wysocki: "These fix the usage of device links in the runtime PM core code and update the DTPM (Dynamic Thermal Power Management) feature added recently. Specifics: - Make the runtime PM core code avoid attempting to suspend supplier devices before updating the PM-runtime status of a consumer to 'suspended' (Rafael Wysocki). - Fix DTPM (Dynamic Thermal Power Management) root node initialization and label that feature as EXPERIMENTAL in Kconfig (Daniel Lezcano)" * tag 'pm-5.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: powercap/drivers/dtpm: Add the experimental label to the option description powercap/drivers/dtpm: Fix root node initialization PM: runtime: Update device status before letting suppliers suspend
2021-03-05Merge tag 'acpi-5.12-rc2' of ↵Linus Torvalds1-3/+3
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI fix from Rafael Wysocki: "Make the empty stubs of some helper functions used when CONFIG_ACPI is not set actually match those functions (Andy Shevchenko)" * tag 'acpi-5.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI: bus: Constify is_acpi_node() and friends (part 2)
2021-03-05Merge tag 'iommu-fixes-v5.12-rc1' of ↵Linus Torvalds4-14/+87
git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull iommu fixes from Joerg Roedel: - Fix a sleeping-while-atomic issue in the AMD IOMMU code - Disable lazy IOTLB flush for untrusted devices in the Intel VT-d driver - Fix status code definitions for Intel VT-d - Fix IO Page Fault issue in Tegra IOMMU driver * tag 'iommu-fixes-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/vt-d: Fix status code for Allocate/Free PASID command iommu: Don't use lazy flush for untrusted device iommu/tegra-smmu: Fix mc errors on tegra124-nyan iommu/amd: Fix sleeping in atomic in increase_address_space()
2021-03-05Merge tag 'for-5.12-rc1-tag' of ↵Linus Torvalds12-25/+87
git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux Pull btrfs fixes from David Sterba: "More regression fixes and stabilization. Regressions: - zoned mode - count zone sizes in wider int types - fix space accounting for read-only block groups - subpage: fix page tail zeroing Fixes: - fix spurious warning when remounting with free space tree - fix warning when creating a directory with smack enabled - ioctl checks for qgroup inheritance when creating a snapshot - qgroup - fix missing unlock on error path in zero range - fix amount of released reservation on error - fix flushing from unsafe context with open transaction, potentially deadlocking - minor build warning fixes" * tag 'for-5.12-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: btrfs: zoned: do not account freed region of read-only block group as zone_unusable btrfs: zoned: use sector_t for zone sectors btrfs: subpage: fix the false data csum mismatch error btrfs: fix warning when creating a directory with smack enabled btrfs: don't flush from btrfs_delayed_inode_reserve_metadata btrfs: export and rename qgroup_reserve_meta btrfs: free correct amount of space in btrfs_delayed_inode_reserve_metadata btrfs: fix spurious free_space_tree remount warning btrfs: validate qgroup inherit for SNAP_CREATE_V2 ioctl btrfs: unlock extents in btrfs_zero_range in case of quota reservation errors btrfs: ref-verify: use 'inline void' keyword ordering
2021-03-05Merge tag 'devicetree-fixes-for-5.12-1' of ↵Linus Torvalds7-40/+25
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree fixes from Rob Herring: - Another batch of graph and video-interfaces schema conversions - Drop DT header symlink for dropped C6X arch - Fix bcm2711-hdmi schema error * tag 'devicetree-fixes-for-5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: dt-bindings: media: Use graph and video-interfaces schemas, round 2 dts: drop dangling c6x symlink dt-bindings: bcm2711-hdmi: Fix broken schema
2021-03-05Merge tag 'trace-v5.12-rc1' of ↵Linus Torvalds7-16/+31
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fixes from Steven Rostedt: "Functional fixes: - Fix big endian conversion for arm64 in recordmcount processing - Fix timestamp corruption in ring buffer on discarding events - Fix memory leak in __create_synth_event() - Skip selftests if tracing is disabled as it will cause them to fail. Non-functional fixes: - Fix help text in Kconfig - Remove duplicate prototype for trace_empty() - Fix stale comment about the trace_event_call flags. Self test update: - Add more information to the validation output of when a corrupt timestamp is found in the ring buffer, and also trigger a warning to make sure that tests catch it" * tag 'trace-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing: Fix comment about the trace_event_call flags tracing: Skip selftests if tracing is disabled tracing: Fix memory leak in __create_synth_event() ring-buffer: Add a little more information and a WARN when time stamp going backwards is detected ring-buffer: Force before_stamp and write_stamp to be different on discard tracing: Fix help text of TRACEPOINT_BENCHMARK in Kconfig tracing: Remove duplicate declaration from trace.h ftrace: Have recordmcount use w8 to read relp->r_info in arm64_is_fake_mcount
2021-03-05RDMA/rxe: Fix errant WARN_ONCE in rxe_completer()Bob Pearson1-32/+23
In rxe_comp.c in rxe_completer() the function free_pkt() did not clear skb which triggered a warning at 'done:' and could possibly at 'exit:'. The WARN_ONCE() calls are not actually needed. The call to free_pkt() is moved to the end to clearly show that all skbs are freed. Fixes: 899aba891cab ("RDMA/rxe: Fix FIXME in rxe_udp_encap_recv()") Link: https://lore.kernel.org/r/20210304192048.2958-1-rpearson@hpe.com Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-03-05RDMA/rxe: Fix extra deref in rxe_rcv_mcast_pkt()Bob Pearson1-24/+35
rxe_rcv_mcast_pkt() dropped a reference to ib_device when no error occurred causing an underflow on the reference counter. This code is cleaned up to be clearer and easier to read. Fixes: 899aba891cab ("RDMA/rxe: Fix FIXME in rxe_udp_encap_recv()") Link: https://lore.kernel.org/r/20210304192048.2958-1-rpearson@hpe.com Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-03-05RDMA/rxe: Fix missed IB reference counting in loopbackBob Pearson1-1/+9
When the noted patch below extending the reference taken by rxe_get_dev_from_net() in rxe_udp_encap_recv() until each skb is freed it was not matched by a reference in the loopback path resulting in underflows. Fixes: 899aba891cab ("RDMA/rxe: Fix FIXME in rxe_udp_encap_recv()") Link: https://lore.kernel.org/r/20210304192048.2958-1-rpearson@hpe.com Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-03-05io_uring: don't restrict issue_flags for io_openatPavel Begunkov1-1/+1
45d189c606292 ("io_uring: replace force_nonblock with flags") did something strange for io_openat() slicing all issue_flags but IO_URING_F_NONBLOCK. Not a bug for now, but better to just forward the flags. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-05Merge tag 'nvme-5.12-2021-03-05' of git://git.infradead.org/nvme into block-5.12Jens Axboe7-47/+62
Pull NVMe fixes from Christoph: "nvme fixes for 5.12: - more device quirks (Julian Einwag, Zoltán Böszörményi, Pascal Terjan) - fix a hwmon error return (Daniel Wagner) - fix the keep alive timeout initialization (Martin George) - ensure the model_number can't be changed on a used subsystem (Max Gurtovoy)" * tag 'nvme-5.12-2021-03-05' of git://git.infradead.org/nvme: nvmet: model_number must be immutable once set nvme-fabrics: fix kato initialization nvme-hwmon: Return error code when registration fails nvme-pci: add quirks for Lexar 256GB SSD nvme-pci: mark Kingston SKC2000 as not supporting the deepest power state nvme-pci: mark Seagate Nytro XM1440 as QUIRK_NO_NS_DESC_LIST.
2021-03-05io_uring: make SQPOLL thread parking sanerJens Axboe1-35/+30
We have this weird true/false return from parking, and then some of the callers decide to look at that. It can lead to unbalanced parks and sqd locking. Have the callers check the thread status once it's parked. We know we have the lock at that point, so it's either valid or it's NULL. Fix race with parking on thread exit. We need to be careful here with ordering of the sdq->lock and the IO_SQ_THREAD_SHOULD_PARK bit. Rename sqd->completion to sqd->parked to reflect that this is the only thing this completion event doesn. Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-05io-wq: kill hashed waitqueue before manager exitsJens Axboe1-4/+5
If we race with shutting down the io-wq context and someone queueing a hashed entry, then we can exit the manager with it armed. If it then triggers after the manager has exited, we can have a use-after-free where io_wqe_hash_wake() attempts to wake a now gone manager process. Move the killing of the hashed write queue into the manager itself, so that we know we've killed it before the task exits. Fixes: e941894eae31 ("io-wq: make buffered file write hashed work map per-ctx") Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-05io_uring: clear IOCB_WAITQ for non -EIOCBQUEUED returnJens Axboe1-0/+1
The callback can only be armed, if we get -EIOCBQUEUED returned. It's important that we clear the WAITQ bit for other cases, otherwise we can queue for async retry and filemap will assume that we're armed and return -EAGAIN instead of just blocking for the IO. Cc: stable@vger.kernel.org # 5.9+ Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-05io_uring: don't keep looping for more events if we can't flush overflowJens Axboe1-3/+12
It doesn't make sense to wait for more events to come in, if we can't even flush the overflow we already have to the ring. Return -EBUSY for that condition, just like we do for attempts to submit with overflow pending. Cc: stable@vger.kernel.org # 5.11 Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-05io_uring: move to using create_io_thread()Jens Axboe3-109/+54
This allows us to do task creation and setup without needing to use completions to try and synchronize with the starting thread. Get rid of the old io_wq_fork_thread() wrapper, and the 'wq' and 'worker' startup completion events - we can now do setup before the task is running. Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-05Merge branch 'powercap'Rafael J. Wysocki2-1/+4
* powercap: powercap/drivers/dtpm: Add the experimental label to the option description powercap/drivers/dtpm: Fix root node initialization
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