Merge misc fixes from Andrew Morton:
"10 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
x86/mm: split vmalloc_sync_all()
mm, slub: prevent kmalloc_node crashes and memory leaks
mm/mmu_notifier: silence PROVE_RCU_LIST warnings
epoll: fix possible lost wakeup on epoll_ctl() path
mm: do not allow MADV_PAGEOUT for CoW pages
mm, memcg: throttle allocators based on ancestral memory.high
mm, memcg: fix corruption on 64-bit divisor in memory.high throttling
page-flags: fix a crash at SetPageError(THP_SWAP)
mm/hotplug: fix hot remove failure in SPARSEMEM|!VMEMMAP case
memcg: fix NULL pointer dereference in __mem_cgroup_usage_unregister_event
Commit 3f8fd02b1b ("mm/vmalloc: Sync unmappings in
__purge_vmap_area_lazy()") introduced a call to vmalloc_sync_all() in
the vunmap() code-path. While this change was necessary to maintain
correctness on x86-32-pae kernels, it also adds additional cycles for
architectures that don't need it.
Specifically on x86-64 with CONFIG_VMAP_STACK=y some people reported
severe performance regressions in micro-benchmarks because it now also
calls the x86-64 implementation of vmalloc_sync_all() on vunmap(). But
the vmalloc_sync_all() implementation on x86-64 is only needed for newly
created mappings.
To avoid the unnecessary work on x86-64 and to gain the performance
back, split up vmalloc_sync_all() into two functions:
* vmalloc_sync_mappings(), and
* vmalloc_sync_unmappings()
Most call-sites to vmalloc_sync_all() only care about new mappings being
synchronized. The only exception is the new call-site added in the
above mentioned commit.
Shile Zhang directed us to a report of an 80% regression in reaim
throughput.
Fixes: 3f8fd02b1b ("mm/vmalloc: Sync unmappings in __purge_vmap_area_lazy()")
Reported-by: kernel test robot <oliver.sang@intel.com>
Reported-by: Shile Zhang <shile.zhang@linux.alibaba.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: Borislav Petkov <bp@suse.de>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> [GHES]
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/20191009124418.8286-1-joro@8bytes.org
Link: https://lists.01.org/hyperkitty/list/lkp@lists.01.org/thread/4D3JPPHBNOSPFK2KEPC6KGKS6J25AIDB/
Link: http://lkml.kernel.org/r/20191113095530.228959-1-shile.zhang@linux.alibaba.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'block-5.6-20200320' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"Just two NVMe fabrics fixes that should go into 5.6"
* tag 'block-5.6-20200320' of git://git.kernel.dk/linux-block:
nvmet-tcp: set MSG_MORE only if we actually have more to send
nvme-rdma: Avoid double freeing of async event data
Pull NVMe fixes from Keith:
"Two late nvme fabrics fixes for 5.6: a double free with the rdma
transport, and a regression fix for tcp; please pull."
* 'nvme-5.6-rc6' of git://git.infradead.org/nvme:
nvmet-tcp: set MSG_MORE only if we actually have more to send
nvme-rdma: Avoid double freeing of async event data
When we send PDU data, we want to optimize the tcp stack
operation if we have more data to send. So when we set MSG_MORE
when:
- We have more fragments coming in the batch, or
- We have a more data to send in this PDU
- We don't have a data digest trailer
- We optimize with the SUCCESS flag and omit the NVMe completion
(used if sq_head pointer update is disabled)
This addresses a regression in QD=1 with SUCCESS flag optimization
as we unconditionally set MSG_MORE when we didn't actually have
more data to send.
Fixes: 7058329538 ("nvmet-tcp: implement C2HData SUCCESS optimization")
Reported-by: Mark Wunderlich <mark.wunderlich@intel.com>
Tested-by: Mark Wunderlich <mark.wunderlich@intel.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Here are some small different driver fixes for 5.6-rc7
- binderfs fix, yet again
- slimbus new device id added
- hwtracing bugfixes for reported issues and a new device id
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small different driver fixes for 5.6-rc7:
- binderfs fix, yet again
- slimbus new device id added
- hwtracing bugfixes for reported issues and a new device id
All of these have been in linux-next with no reported issues"
* tag 'char-misc-5.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
intel_th: pci: Add Elkhart Lake CPU support
intel_th: Fix user-visible error codes
intel_th: msu: Fix the unexpected state warning
stm class: sys-t: Fix the use of time_after()
slimbus: ngd: add v2.1.0 compatible
binderfs: use refcount for binder control devices too
Here are a number of small staging and IIO driver fixes for 5.6-rc7
Nothing major here, just resolutions for some reported problems:
- iio bugfixes for a number of different drivers
- greybus loopback_test fixes
- wfx driver fixes
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO fixes from Greg KH:
"Here are a number of small staging and IIO driver fixes for 5.6-rc7
Nothing major here, just resolutions for some reported problems:
- iio bugfixes for a number of different drivers
- greybus loopback_test fixes
- wfx driver fixes
All of these have been in linux-next with no reported issues"
* tag 'staging-5.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: rtl8188eu: Add device id for MERCUSYS MW150US v2
staging: greybus: loopback_test: fix potential path truncations
staging: greybus: loopback_test: fix potential path truncation
staging: greybus: loopback_test: fix poll-mask build breakage
staging: wfx: fix RCU usage between hif_join() and ieee80211_bss_get_ie()
staging: wfx: fix RCU usage in wfx_join_finalize()
staging: wfx: make warning about pending frame less scary
staging: wfx: fix lines ending with a comma instead of a semicolon
staging: wfx: fix warning about freeing in-use mutex during device unregister
staging/speakup: fix get_word non-space look-ahead
iio: ping: set pa_laser_ping_cfg in of_ping_match
iio: chemical: sps30: fix missing triggered buffer dependency
iio: st_sensors: remap SMO8840 to LIS2DH12
iio: light: vcnl4000: update sampling periods for vcnl4040
iio: light: vcnl4000: update sampling periods for vcnl4200
iio: accel: adxl372: Set iio_chan BE
iio: magnetometer: ak8974: Fix negative raw values in sysfs
iio: trigger: stm32-timer: disable master mode when stopping
iio: adc: stm32-dfsdm: fix sleep in atomic context
iio: adc: at91-sama5d2_adc: fix differential channels in triggered mode
Here are some small USB fixes for 5.6-rc7. And there's a thunderbolt
driver fix thrown in for good measure as well.
These fixes are:
- new device ids for usb-serial drivers
- thunderbolt error code fix
- xhci driver fixes
- typec fixes
- cdc-acm driver fixes
- chipidea driver fix
- more USB quirks added for devices that need them.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes for 5.6-rc7. And there's a thunderbolt
driver fix thrown in for good measure as well.
These fixes are:
- new device ids for usb-serial drivers
- thunderbolt error code fix
- xhci driver fixes
- typec fixes
- cdc-acm driver fixes
- chipidea driver fix
- more USB quirks added for devices that need them.
All of these have been in linux-next with no reported issues"
* tag 'usb-5.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: cdc-acm: fix rounding error in TIOCSSERIAL
USB: cdc-acm: fix close_delay and closing_wait units in TIOCSSERIAL
usb: quirks: add NO_LPM quirk for RTL8153 based ethernet adapters
usb: chipidea: udc: fix sleeping function called from invalid context
USB: serial: pl2303: add device-id for HP LD381
USB: serial: option: add ME910G1 ECM composition 0x110b
usb: host: xhci-plat: add a shutdown
usb: typec: ucsi: displayport: Fix a potential race during registration
usb: typec: ucsi: displayport: Fix NULL pointer dereference
USB: Disable LPM on WD19's Realtek Hub
usb: xhci: apply XHCI_SUSPEND_DELAY to AMD XHCI controller 1022:145c
xhci: Do not open code __print_symbolic() in xhci trace events
thunderbolt: Fix error code in tb_port_is_width_supported()
Here are 3 small tty_io bugfixes for reported issues that Eric has
resolved for 5.6-rc7
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty fixes from Greg KH:
"Here are three small tty_io bugfixes for reported issues that Eric has
resolved for 5.6-rc7
All of these have been in linux-next with no reported issues"
* tag 'tty-5.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: fix compat TIOCGSERIAL checking wrong function ptr
tty: fix compat TIOCGSERIAL leaking uninitialized memory
tty: drop outdated comments about release_tty() locking
core:
- fix lease warning
i915:
- Track active elements during dequeue
- Fix failure to handle all MCR ranges
- Revert unnecessary workaround
amdgpu:
- Pageflip fix
- VCN clockgating fixes
- GPR debugfs fix for umr
- GPU reset fix
- eDP fix for MBP
- DCN2.x fix
dw-hdmi:
- fix AVI frame colorimetry
komeda:
- fix compiler warning
bochs:
- downgrade a binding failure to a warning
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Merge tag 'drm-fixes-2020-03-20' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Hope you are well hiding out above the garage. A few amdgpu changes
but nothing too major. I've had a wisdom tooth out this week so
haven't been to on top of things, but all seems good.
core:
- fix lease warning
i915:
- Track active elements during dequeue
- Fix failure to handle all MCR ranges
- Revert unnecessary workaround
amdgpu:
- Pageflip fix
- VCN clockgating fixes
- GPR debugfs fix for umr
- GPU reset fix
- eDP fix for MBP
- DCN2.x fix
dw-hdmi:
- fix AVI frame colorimetry
komeda:
- fix compiler warning
bochs:
- downgrade a binding failure to a warning"
* tag 'drm-fixes-2020-03-20' of git://anongit.freedesktop.org/drm/drm:
drm/amd/display: Fix pageflip event race condition for DCN.
drm/amdgpu: fix typo for vcn2.5/jpeg2.5 idle check
drm/amdgpu: fix typo for vcn2/jpeg2 idle check
drm/amdgpu: fix typo for vcn1 idle check
drm/lease: fix WARNING in idr_destroy
drm/i915: Handle all MCR ranges
Revert "drm/i915/tgl: Add extra hdc flush workaround"
drm/i915/execlists: Track active elements during dequeue
drm/bochs: downgrade pci_request_region failure from error to warning
drm/amd/display: Add link_rate quirk for Apple 15" MBP 2017
drm/amdgpu: add fbdev suspend/resume on gpu reset
drm/amd/amdgpu: Fix GPR read from debugfs (v2)
drm/amd/display: fix typos for dcn20_funcs and dcn21_funcs struct
drm/komeda: mark PM functions as __maybe_unused
drm/bridge: dw-hdmi: fix AVI frame colorimetry
- Track active elements during dequeue
- Fix failure to handle all MCR ranges
- Revert unnecessary workaround
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Merge tag 'drm-intel-fixes-2020-03-19' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
drm/i915 fixes for v5.6-rc7:
- Track active elements during dequeue
- Fix failure to handle all MCR ranges
- Revert unnecessary workaround
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/877dzgepvu.fsf@intel.com
Commit '16f17eda8b ("drm/amd/display: Send vblank and user
events at vsartup for DCN")' introduces a new way of pageflip
completion handling for DCN, and some trouble.
The current implementation introduces a race condition, which
can cause pageflip completion events to be sent out one vblank
too early, thereby confusing userspace and causing flicker:
prepare_flip_isr():
1. Pageflip programming takes the ddev->event_lock.
2. Sets acrtc->pflip_status == AMDGPU_FLIP_SUBMITTED
3. Releases ddev->event_lock.
--> Deadline for surface address regs double-buffering passes on
target pipe.
4. dc_commit_updates_for_stream() MMIO programs the new pageflip
into hw, but too late for current vblank.
=> pflip_status == AMDGPU_FLIP_SUBMITTED, but flip won't complete
in current vblank due to missing the double-buffering deadline
by a tiny bit.
5. VSTARTUP trigger point in vblank is reached, VSTARTUP irq fires,
dm_dcn_crtc_high_irq() gets called.
6. Detects pflip_status == AMDGPU_FLIP_SUBMITTED and assumes the
pageflip has been completed/will complete in this vblank and
sends out pageflip completion event to userspace and resets
pflip_status = AMDGPU_FLIP_NONE.
=> Flip completion event sent out one vblank too early.
This behaviour has been observed during my testing with measurement
hardware a couple of time.
The commit message says that the extra flip event code was added to
dm_dcn_crtc_high_irq() to prevent missing to send out pageflip events
in case the pflip irq doesn't fire, because the "DCH HUBP" component
is clock gated and doesn't fire pflip irqs in that state. Also that
this clock gating may happen if no planes are active. This suggests
that the problem addressed by that commit can't happen if planes
are active.
The proposed solution is therefore to only execute the extra pflip
completion code iff the count of active planes is zero and otherwise
leave pflip completion handling to the pflip irq handler, for a
more race-free experience.
Note that i don't know if this fixes the problem the original commit
tried to address, as i don't know what the test scenario was. It
does fix the observed too early pageflip events though and points
out the problem introduced.
Fixes: 16f17eda8b ("drm/amd/display: Send vblank and user events at vsartup for DCN")
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
- rtsx_pci: Fix support for some various speed modes
- sdhci-of-at91: Fix support for GPIO card detect on SAMA5D2
- sdhci-cadence: Fix support for DDR52 speed mode for eMMC on UniPhier
- sdhci-acpi: Fix broken WP support on Acer Aspire Switch 10
- sdhci-acpi: Workaround FW bug for suspend on Lenovo Miix 320
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Merge tag 'mmc-v5.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
- rtsx_pci: Fix support for some various speed modes
- sdhci-of-at91: Fix support for GPIO card detect on SAMA5D2
- sdhci-cadence: Fix support for DDR52 speed mode for eMMC on UniPhier
- sdhci-acpi: Fix broken WP support on Acer Aspire Switch 10
- sdhci-acpi: Workaround FW bug for suspend on Lenovo Miix 320
* tag 'mmc-v5.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: rtsx_pci: Fix support for speed-modes that relies on tuning
mmc: sdhci-of-at91: fix cd-gpios for SAMA5D2
mmc: sdhci-cadence: set SDHCI_QUIRK2_PRESET_VALUE_BROKEN for UniPhier
mmc: sdhci-acpi: Disable write protect detection on Acer Aspire Switch 10 (SW5-012)
mmc: sdhci-acpi: Switch signal voltage back to 3.3V on suspend on external microSD on Lenovo Miix 320
I have hit the following build error:
armv7a-hardfloat-linux-gnueabi-ld: drivers/rtc/rtc-max8907.o: in function `max8907_rtc_probe':
rtc-max8907.c:(.text+0x400): undefined reference to `regmap_irq_get_virq'
max8907 should select REGMAP_IRQ
Fixes: 94c01ab6d7 ("rtc: add MAX8907 RTC driver")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fix typo for vcn2.5/jpeg2.5 idle check
Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
fix typo for vcn2/jpeg2 idle check
Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
fix typo for vcn1 idle check
Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Commit 7765435030 ("take compat TIOC[SG]SERIAL treatment into
tty_compat_ioctl()") changed the compat version of TIOCGSERIAL to start
checking for the presence of the ->set_serial function pointer rather
than ->get_serial. This appears to be a copy-and-paste error, since
->get_serial is the function pointer that is called as well as the
pointer that is checked by the non-compat version of TIOCGSERIAL.
Fix this by checking the correct function pointer.
Fixes: 7765435030 ("take compat TIOC[SG]SERIAL treatment into tty_compat_ioctl()")
Cc: <stable@vger.kernel.org> # v4.20+
Signed-off-by: Eric Biggers <ebiggers@google.com>
Acked-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20200224182044.234553-3-ebiggers@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Commit 7765435030 ("take compat TIOC[SG]SERIAL treatment into
tty_compat_ioctl()") changed the compat version of TIOCGSERIAL to start
copying a whole 'serial_struct32' to userspace rather than individual
fields, but failed to initialize all padding and fields -- namely the
hole after the 'iomem_reg_shift' field, and the 'reserved' field.
Fix this by initializing the struct to zero.
[v2: use sizeof, and convert the adjacent line for consistency.]
Reported-by: syzbot+8da9175e28eadcb203ce@syzkaller.appspotmail.com
Fixes: 7765435030 ("take compat TIOC[SG]SERIAL treatment into tty_compat_ioctl()")
Cc: <stable@vger.kernel.org> # v4.20+
Signed-off-by: Eric Biggers <ebiggers@google.com>
Acked-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20200224182044.234553-2-ebiggers@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The current version of the TTY code unlocks the tty_struct(s) before
release_tty() rather than after. Moreover, tty_unlock_pair() no longer
exists. Thus, remove the outdated comments regarding tty_unlock_pair().
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20200224073359.292795-1-ebiggers@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The TX/RX register should not be treated the same way to allow for better
support of tuning. Fix this by using a default initial value for TX.
Signed-off-by: Ricky Wu <ricky_wu@realtek.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20200316025232.1167-1-ricky_wu@realtek.com
[Ulf: Updated changelog]
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There are a few places in the driver that end up returning ENOTSUPP to
the user, replace those with EINVAL.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Fixes: ba82664c13 ("intel_th: Add Memory Storage Unit driver")
Cc: stable@vger.kernel.org # v4.4+
Link: https://lore.kernel.org/r/20200317062215.15598-6-alexander.shishkin@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The unexpected state warning should only warn on illegal state
transitions. Fix that.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Fixes: 615c164da0 ("intel_th: msu: Introduce buffer interface")
Cc: stable@vger.kernel.org # v5.4+
Link: https://lore.kernel.org/r/20200317062215.15598-5-alexander.shishkin@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The operands of time_after() are in a wrong order in both instances in
the sys-t driver. Fix that.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Fixes: 39f10239df ("stm class: p_sys-t: Add support for CLOCKSYNC packets")
Fixes: d69d5e8311 ("stm class: Add MIPI SyS-T protocol support")
Cc: stable@vger.kernel.org # v4.20+
Link: https://lore.kernel.org/r/20200317062215.15598-3-alexander.shishkin@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* adxl372
- Fix marking of buffered values as big endian.
* ak8974
- Fix wrong handling of negative values when read from sysfs.
* at91-sama5d2
- Fix differential mode by ensuring configuration set correctly.
* ping
- Use the write sensor type for of_ping_match table.
* sps30
- Kconfig build dependency fix.
* st-sensors
- Fix a wrong identification of which part the SMO8840 ACPI ID indicates.
* stm32-dsfdm
- Fix a sleep in atomic issue by not using a trigger when it makes no sense.
* stm32-timer
- Make sure master mode is disabled when stopping.
* vcnl400
- Update some sampling periods based on new docs.
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Merge tag 'iio-fixes-for-5.6a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
First set of IIO fixes in the 5.6 cycle.
* adxl372
- Fix marking of buffered values as big endian.
* ak8974
- Fix wrong handling of negative values when read from sysfs.
* at91-sama5d2
- Fix differential mode by ensuring configuration set correctly.
* ping
- Use the write sensor type for of_ping_match table.
* sps30
- Kconfig build dependency fix.
* st-sensors
- Fix a wrong identification of which part the SMO8840 ACPI ID indicates.
* stm32-dsfdm
- Fix a sleep in atomic issue by not using a trigger when it makes no sense.
* stm32-timer
- Make sure master mode is disabled when stopping.
* vcnl400
- Update some sampling periods based on new docs.
* tag 'iio-fixes-for-5.6a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
iio: ping: set pa_laser_ping_cfg in of_ping_match
iio: chemical: sps30: fix missing triggered buffer dependency
iio: st_sensors: remap SMO8840 to LIS2DH12
iio: light: vcnl4000: update sampling periods for vcnl4040
iio: light: vcnl4000: update sampling periods for vcnl4200
iio: accel: adxl372: Set iio_chan BE
iio: magnetometer: ak8974: Fix negative raw values in sysfs
iio: trigger: stm32-timer: disable master mode when stopping
iio: adc: stm32-dfsdm: fix sleep in atomic context
iio: adc: at91-sama5d2_adc: fix differential channels in triggered mode
Here are a couple of new device ids for 5.6-rc.
All have been in linux-next with no reported issues.
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Merge tag 'usb-serial-5.6-rc7' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial fixes for 5.6-rc7
Here are a couple of new device ids for 5.6-rc.
All have been in linux-next with no reported issues.
* tag 'usb-serial-5.6-rc7' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
USB: serial: pl2303: add device-id for HP LD381
USB: serial: option: add ME910G1 ECM composition 0x110b
By default, tty_port_init() initializes those parameters to a multiple
of HZ. For instance in line 69 of tty_port.c:
port->close_delay = (50 * HZ) / 100;
https://github.com/torvalds/linux/blob/master/drivers/tty/tty_port.c#L69
With e.g. CONFIG_HZ = 250 (as this is the case for Ubuntu 18.04
linux-image-4.15.0-37-generic), the default setting for close_delay is
thus 125.
When ioctl(fd, TIOCGSERIAL, &s) is executed, the setting returned in
user space is '12' (125/10). When ioctl(fd, TIOCSSERIAL, &s) is then
executed with the same setting '12', the value is interpreted as '120'
which is different from the current setting and a EPERM error may be
raised by set_serial_info() if !CAP_SYS_ADMIN.
https://github.com/torvalds/linux/blob/master/drivers/usb/class/cdc-acm.c#L919
Fixes: ba2d8ce9db ("cdc-acm: implement TIOCSSERIAL to avoid blocking close(2)")
Signed-off-by: Anthony Mallet <anthony.mallet@laas.fr>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200312133101.7096-2-anthony.mallet@laas.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
close_delay and closing_wait are specified in hundredth of a second but stored
internally in jiffies. Use the jiffies_to_msecs() and msecs_to_jiffies()
functions to convert from each other.
Signed-off-by: Anthony Mallet <anthony.mallet@laas.fr>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200312133101.7096-1-anthony.mallet@laas.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We have been receiving bug reports that ethernet connections over
RTL8153 based ethernet adapters stops working after a while with
errors like these showing up in dmesg when the ethernet stops working:
[12696.189484] r8152 6-1:1.0 enp10s0u1: Tx timeout
[12702.333456] r8152 6-1:1.0 enp10s0u1: Tx timeout
[12707.965422] r8152 6-1:1.0 enp10s0u1: Tx timeout
This has been reported on Dell WD15 docks, Belkin USB-C Express Dock 3.1
docks and with generic USB to ethernet dongles using the RTL8153
chipsets. Some users have tried adding usbcore.quirks=0bda:8153:k to
the kernel commandline and all users who have tried this report that
this fixes this.
Also note that we already have an existing NO_LPM quirk for the RTL8153
used in the Microsoft Surface Dock (where it uses a different usb-id).
This commit adds a NO_LPM quirk for the generic Realtek RTL8153
0bda:8153 usb-id, fixing the Tx timeout errors on these devices.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=198931
Cc: stable@vger.kernel.org
Cc: russianneuromancer@ya.ru
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200313120708.100339-1-hdegoede@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Pull HID fixes from Jiri Kosina:
- string buffer formatting fixes in picolcd and sensor drivers, from
Takashi Iwai
- two new device IDs from Chen-Tsung Hsieh and Tony Fischetti
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: add ALWAYS_POLL quirk to lenovo pixart mouse
HID: google: add moonball USB id
HID: hid-sensor-custom: Use scnprintf() for avoiding potential buffer overflow
HID: hid-picolcd_fb: Use scnprintf() for avoiding potential buffer overflow
This device was added to the stand-alone driver on github.
Add it to the staging driver as well.
Link: 2141f244c3
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200312093652.13918-1-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Newer GCC warns about possible truncations of two generated path names as
we're concatenating the configurable sysfs and debugfs path prefixes
with a filename and placing the results in buffers of the same size as
the maximum length of the prefixes.
snprintf(d->name, MAX_STR_LEN, "gb_loopback%u", dev_id);
snprintf(d->sysfs_entry, MAX_SYSFS_PATH, "%s%s/",
t->sysfs_prefix, d->name);
snprintf(d->debugfs_entry, MAX_SYSFS_PATH, "%sraw_latency_%s",
t->debugfs_prefix, d->name);
Fix this by separating the maximum path length from the maximum prefix
length and reducing the latter enough to fit the generated strings.
Note that we also need to reduce the device-name buffer size as GCC
isn't smart enough to figure out that we ever only used MAX_STR_LEN
bytes of it.
Fixes: 6b0658f687 ("greybus: tools: Add tools directory to greybus repo and add loopback")
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20200312110151.22028-4-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Newer GCC warns about a possible truncation of a generated sysfs path
name as we're concatenating a directory path with a file name and
placing the result in a buffer that is half the size of the maximum
length of the directory path (which is user controlled).
loopback_test.c: In function 'open_poll_files':
loopback_test.c:651:31: warning: '%s' directive output may be truncated writing up to 511 bytes into a region of size 255 [-Wformat-truncation=]
651 | snprintf(buf, sizeof(buf), "%s%s", dev->sysfs_entry, "iteration_count");
| ^~
loopback_test.c:651:3: note: 'snprintf' output between 16 and 527 bytes into a destination of size 255
651 | snprintf(buf, sizeof(buf), "%s%s", dev->sysfs_entry, "iteration_count");
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Fix this by making sure the buffer is large enough the concatenated
strings.
Fixes: 6b0658f687 ("greybus: tools: Add tools directory to greybus repo and add loopback")
Fixes: 9250c0ee26 ("greybus: Loopback_test: use poll instead of inotify")
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20200312110151.22028-3-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
A scripted conversion from userland POLL* to kernel EPOLL* constants
mistakingly replaced the poll flags in the loopback_test tool, which
therefore no longer builds.
Fixes: a9a08845e9 ("vfs: do bulk POLL* -> EPOLL* replacement")
Cc: stable <stable@vger.kernel.org> # 4.16
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20200312110151.22028-2-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
SAMA5D2x doesn't drive CMD line if GPIO is used as CD line (at least
SAMA5D27 doesn't). Fix this by forcing card-detect in the module
if module-controlled CD is not used.
Fixed commit addresses the problem only for non-removable cards. This
amends it to also cover gpio-cd case.
Cc: stable@vger.kernel.org
Fixes: 7a1e3f1431 ("mmc: sdhci-of-at91: force card detect value for non removable devices")
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/8d10950d9940468577daef4772b82a071b204716.1584290561.git.mirq-linux@rere.qmqm.pl
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The SDHCI_PRESET_FOR_* registers are not set for the UniPhier platform
integration. (They are all read as zeros).
Set the SDHCI_QUIRK2_PRESET_VALUE_BROKEN quirk flag. Otherwise, the
High Speed DDR mode on the eMMC controller (MMC_TIMING_MMC_DDR52)
would not work.
I split the platform data to give no impact to other platforms,
although the UniPhier platform is currently only the upstream user
of this IP.
The SDHCI_QUIRK2_PRESET_VALUE_BROKEN flag is set if the compatible
string matches to "socionext,uniphier-sd4hc".
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20200312104257.21017-1-yamada.masahiro@socionext.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
On the Acer Aspire Switch 10 (SW5-012) microSD slot always reports the card
being write-protected even though microSD cards do not have a write-protect
switch at all.
Add a new DMI_QUIRK_SD_NO_WRITE_PROTECT quirk which when set sets
the MMC_CAP2_NO_WRITE_PROTECT flag on the controller for the external SD
slot; and add a DMI quirk table entry which selects this quirk for the
Acer SW5-012.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20200316184753.393458-2-hdegoede@redhat.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Based on a sample of 7 DSDTs from Cherry Trail devices using an AXP288
PMIC depending on the design one of 2 possible LDOs on the PMIC is used
for the MMC signalling voltage, either DLDO3 or GPIO1LDO (GPIO1 pin in
low noise LDO mode).
The Lenovo Miix 320-10ICR uses GPIO1LDO in the SHC1 ACPI device's DSM
methods to set 3.3 or 1.8 signalling voltage and this appears to work
as advertised, so presumably the device is actually using GPIO1LDO for
the external microSD signalling voltage.
But this device has a bug in the _PS0 method of the SHC1 ACPI device,
the DSM remembers the last set signalling voltage and the _PS0 restores
this after a (runtime) suspend-resume cycle, but it "restores" the voltage
on DLDO3 instead of setting it on GPIO1LDO as the DSM method does. DLDO3
is used for the LCD and setting it to 1.8V causes the LCD to go black.
This commit works around this issue by calling the Intel DSM to reset the
signal voltage to 3.3V after the host has been runtime suspended.
This will make the _PS0 method reprogram the DLDO3 voltage to 3.3V, which
leaves it at its original setting fixing the LCD going black.
This commit adds and uses a DMI quirk mechanism to only trigger this
workaround on the Lenovo Miix 320 while leaving the behavior of the
driver unchanged on other devices.
BugLink: https://bugs.freedesktop.org/show_bug.cgi?id=111294
BugLink: https://gitlab.freedesktop.org/drm/intel/issues/355
Reported-by: russianneuromancer <russianneuromancer@ya.ru>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20200316184753.393458-1-hdegoede@redhat.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
A lenovo pixart mouse (17ef:608d) is afflicted common the the malfunction
where it disconnects and reconnects every minute--each time incrementing
the device number. This patch adds the device id of the device and
specifies that it needs the HID_QUIRK_ALWAYS_POLL quirk in order to
work properly.
Signed-off-by: Tony Fischetti <tony.fischetti@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The bspec documents multiple MCR ranges; make sure they're all captured
by the driver.
Bspec: 13991, 52079
Fixes: 592a7c5e08 ("drm/i915: Extend non readable mcr range")
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200311162300.1838847-2-matthew.d.roper@intel.com
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
(cherry picked from commit 415d126997)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This reverts commit 36a6b5d964.
The commit takes care Wa_1604544889 which was fixed on a0 stepping based on
a0 replan. So no SW workaround is required on any stepping now.
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Caz Yokoyama <caz.yokoyama@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Fixes: 36a6b5d964 ("drm/i915/tgl: Add extra hdc flush workaround")
Link: https://patchwork.freedesktop.org/patch/msgid/1c751032ce79c80c5485cae315f1a9904ce07cac.1583359940.git.caz.yokoyama@intel.com
(cherry picked from commit 175c4d9b3b)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Record the initial active element we use when building the next ELSP
submission, so that we can compare against it latter to see if there's
no change.
Fixes: 44d0a9c05b ("drm/i915/execlists: Skip redundant resubmission")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200311092624.10012-2-chris@chris-wilson.co.uk
(cherry picked from commit 60ef5b7ac6)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
to GIC registers which miss in the implementation.
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Merge tag 'irq-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fix from Thomas Gleixner:
"A single commit to handle an erratum in Cavium ThunderX to prevent
access to GIC registers which are broken in the implementation"
* tag 'irq-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/gic-v3: Workaround Cavium erratum 38539 when reading GICD_TYPER2
- Prevent a race and buffer overflow in the sysfs efivars interface which
causes kernel memory corruption.
- Add the missing NULL pointer checks in efivar_store_raw()
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Merge tag 'efi-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI fixes from Thomas Gleixner:
"Two EFI fixes:
- Prevent a race and buffer overflow in the sysfs efivars interface
which causes kernel memory corruption.
- Add the missing NULL pointer checks in efivar_store_raw()"
* tag 'efi-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi: Add a sanity check to efivar_store_raw()
efi: Fix a race and a buffer overflow while reading efivars via sysfs
