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Adds driver support for the USB-C model of Apple's Magic Trackpad 2.
The 2024 USB-C model is compatible with the existing Magic Trackpad 2
driver but has a different hardware ID.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=219470
Signed-off-by: Callahan Kovacs <callahankovacs@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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Add `select RMI4_F3A` under `HID_RMI` in Kconfig to support buttons and GPIOs
on newer Synaptics HID RMI devices. Future devices will use F3A instead of F30,
but F30 is still selected for backward compatibility.
Signed-off-by: Vincent Huang <vincenth@synaptics.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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The tilt data contained in the Bluetooth packets of an Intuos Pro are
supposed to be interpreted as signed values. Simply casting the values
to type `char` is not guaranteed to work since it is implementation-
defined whether it is signed or unsigned. At least one user has noticed
the data being reported incorrectly on their system. To ensure that the
data is interpreted properly, we specifically cast to `signed char`
instead.
Link: https://github.com/linuxwacom/input-wacom/issues/445
Fixes: 4922cd26f03c ("HID: wacom: Support 2nd-gen Intuos Pro's Bluetooth classic interface")
CC: stable@vger.kernel.org # 4.11+
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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Since the report buffer is used by all kinds of drivers in various ways, let's
zero-initialize it during allocation to make sure that it can't be ever used
to leak kernel memory via specially-crafted report.
Fixes: 27ce405039bf ("HID: fix data access in implement()")
Reported-by: Benoît Sevens <bsevens@google.com>
Acked-by: Benjamin Tissoires <bentiss@kernel.org>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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The Thinkpad X1 Tablet Gen 3 keyboard has the same Lenovo specific quirks
as the original Thinkpad X1 Tablet keyboard.
Add the PID for the "Thinkpad X1 Tablet Gen 3 keyboard" to the hid-lenovo
driver to fix the FnLock, Mute and media buttons not working.
Suggested-by: Izhar Firdaus <izhar@fedoraproject.org>
Closes https://bugzilla.redhat.com/show_bug.cgi?id=2315395
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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The Logitech Casa Touchpad does not reliably send touch release signals
when communicating through the Logitech Bolt wireless-to-USB receiver.
Adjusting the device class to add MT_QUIRK_NOT_SEEN_MEANS_UP to make
sure that no touches become stuck, MT_QUIRK_FORCE_MULTI_INPUT is not
needed, but harmless.
Linux does not have information on which devices are connected to the
Bolt receiver, so we have to enable this for the entire device.
Signed-off-by: Kenneth Albanowski <kenalba@chromium.org>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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Patch for Goodix 27c6:0d42 touchpads found in Inspiron 5515 laptops.
After resume from suspend, one can communicate with this device just fine.
We can read data from it or request a reset,
but for some reason the interrupt line will not go up
when new events are available.
(it can correctly respond to a reset with an interrupt tho)
The only way I found to wake this device up
is to send anything to it after ~1.5s mark,
for example a simple read request, or power mode change.
In this patch, I simply delay the resume steps with msleep,
this will cause the set_power request to happen after
the ~1.5s barrier causing the device to resume its event interrupts.
Sleep was used rather than delayed_work
to make this workaround as non-invasive as possible.
[jkosina@suse.com: shortlog update]
Signed-off-by: Bartłomiej Maryńczak <marynczakbartlomiej@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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Unlike EMR tools which encode type information in their tool ID, tools
for AES sensors are all "generic pens". It is inappropriate to make use
of the wacom_intuos_get_tool_type function when dealing with these kinds
of devices. Instead, we should only ever report BTN_TOOL_PEN or
BTN_TOOL_RUBBER, as depending on the state of the Eraser and Invert
bits.
Reported-by: Daniel Jutz <daniel@djutz.com>
Closes: https://lore.kernel.org/linux-input/3cd82004-c5b8-4f2a-9a3b-d88d855c65e4@heusel.eu/
Bisected-by: Christian Heusel <christian@heusel.eu>
Fixes: 9c2913b962da ("HID: wacom: more appropriate tool type categorization")
Link: https://gitlab.freedesktop.org/libinput/libinput/-/issues/1041
Link: https://github.com/linuxwacom/input-wacom/issues/440
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Cc: stable@vger.kernel.org
Acked-by: Benjamin Tissoires <bentiss@kernel.org>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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Using the device-managed version allows to simplify clean-up in probe()
error path.
Additionally, this device-managed ensures proper cleanup, which helps to
resolve memory errors, page faults, btrfs going read-only, and btrfs
disk corruption.
Fixes: 4b2c53d93a4b ("SFH:Transport Driver to add support of AMD Sensor Fusion Hub (SFH)")
Tested-by: Chris Hixon <linux-kernel-bugs@hixontech.com>
Tested-by: Richard <hobbes1069@gmail.com>
Tested-by: Skyler <skpu@pm.me>
Reported-by: Chris Hixon <linux-kernel-bugs@hixontech.com>
Closes: https://lore.kernel.org/all/3b129b1f-8636-456a-80b4-0f6cce0eef63@hixontech.com/
Link: https://bugzilla.kernel.org/show_bug.cgi?id=219331
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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The behavior of HONOR MagicBook Art 14 touchpad is not consistent
after reboots, as sometimes it reports itself as a touchpad, and
sometimes as a mouse.
Similarly to GLO-GXXX it is possible to call MT_QUIRK_FORCE_GET_FEATURE as a
workaround to force set feature in mt_set_input_mode() for such special touchpad
device.
[jkosina@suse.com: reword changelog a little bit]
Link: https://gitlab.freedesktop.org/libinput/libinput/-/issues/1040
Signed-off-by: Wentao Guan <guanwentao@uniontech.com>
Signed-off-by: WangYuli <wangyuli@uniontech.com>
Reviewed-by: Benjamin Tissoires <bentiss@kernel.org>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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By default the track point does not work on the Asus Expertbook B2402FVA.
From libinput record i got the ID of the track point device:
evdev:
# Name: ASUE1201:00 04F3:32AE
# ID: bus 0x18 vendor 0x4f3 product 0x32ae version 0x100
I found that the track point is functional, when i set the
MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU class for the reported device.
Signed-off-by: Stefan Blum <stefan.blum@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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Some Plantronics headset as the below send an unexcept opposite
volume key's HID report for each volume key press after 200ms, like
unecepted Volume Up Key following Volume Down key pressed by user.
This patch adds a quirk to hid-plantronics for these devices, which
will ignore the second unexcepted opposite volume key if it happens
within 220ms from the last one that was handled.
Plantronics EncorePro 500 Series (047f:431e)
Plantronics Blackwire_3325 Series (047f:430c)
The patch was tested on the mentioned model, it shouldn't affect
other models, however, this quirk might be needed for them too.
Auto-repeat (when a key is held pressed) is not affected per test
result.
Cc: stable@vger.kernel.org
Signed-off-by: Wade Wang <wade.wang@hp.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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Fix the uninitialized symbol 'rv' in the function ish_fw_xfer_direct_dma
to resolve the following warning from the smatch tool:
drivers/hid/intel-ish-hid/ishtp-fw-loader.c:714 ish_fw_xfer_direct_dma()
error: uninitialized symbol 'rv'.
Initialize 'rv' to 0 to prevent undefined behavior from uninitialized
access.
Cc: stable@vger.kernel.org
Fixes: 91b228107da3 ("HID: intel-ish-hid: ISH firmware loader client driver")
Signed-off-by: SurajSonawane2415 <surajsonawane0215@gmail.com>
Link: https://patch.msgid.link/20241004075944.44932-1-surajsonawane0215@gmail.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
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With the introduction of commit e42ac1418055 ("bpf: Check unsupported ops
from the bpf_struct_ops's cfi_stubs"), a HID-BPF struct_ops containing
a .hid_hw_request() or a .hid_hw_output_report() was failing to load
as the cfi stubs were not defined.
Fix that by defining those simple static functions and restore HID-BPF
functionality.
This was detected with the HID selftests suddenly failing on Linus' tree.
Cc: stable@vger.kernel.org # v6.11+
Fixes: 9286675a2aed ("HID: bpf: add HID-BPF hooks for hid_hw_output_report")
Fixes: 8bd0488b5ea5 ("HID: bpf: add HID-BPF hooks for hid_hw_raw_requests")
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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This reverts commit 9184b17fbc23 ("dt-bindings: input: Goodix SPI HID
Touchscreen") because it duplicates existing binding leadings to errors:
goodix,gt7986u.example.dtb:
touchscreen@0: compatible: 'oneOf' conditional failed, one must be fixed:
['goodix,gt7986u'] is too short
'goodix,gt7375p' was expected
This was reported on mailing list on 6th of September, but no reaction
happened from contributor or maintainer to fix it.
Therefore let's drop binding which breaks and duplicates existing one.
Fixes: 9184b17fbc23 ("dt-bindings: input: Goodix SPI HID Touchscreen")
Reported-by: Rob Herring <robh@kernel.org>
Closes: https://lore.kernel.org/all/CAL_Jsq+QfTtRj_JCqXzktQ49H8VUnztVuaBjvvkg3fwEHniUHw@mail.gmail.com/
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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Drop support for Devicetree from, because the binding is being reverted
(on basis of duplicating existing binding) and property was not added to
the original binding.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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It is compatible with the other rockchip SoCs.
Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20240903152308.13565-7-detlev.casanova@collabora.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Commit 08d08e2e9f0a ("tpm: ibmvtpm: Call tpm2_sessions_init() to
initialize session support") adds call to tpm2_sessions_init() in ibmvtpm,
which could be built as a module. However, tpm2_sessions_init() wasn't
exported, causing libmvtpm to fail to build as a module:
ERROR: modpost: "tpm2_sessions_init" [drivers/char/tpm/tpm_ibmvtpm.ko] undefined!
Export tpm2_sessions_init() to resolve the issue.
Cc: stable@vger.kernel.org # v6.10+
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202408051735.ZJkAPQ3b-lkp@intel.com/
Fixes: 08d08e2e9f0a ("tpm: ibmvtpm: Call tpm2_sessions_init() to initialize session support")
Signed-off-by: Kexy Biscuit <kexybiscuit@aosc.io>
Signed-off-by: Mingcong Bai <jeffbai@aosc.io>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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These drivers don't use the driver_data member of struct i2c_device_id,
so don't explicitly initialize this member.
This prepares putting driver_data in an anonymous union which requires
either no initialization or named designators. But it's also a nice
cleanup on its own.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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Since Linux 5.6 tpm_version_major sysfs file is avaialble which gives
the TPM version.
Using this file the test can be skipped on systems with TPM 1.2.
Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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tools/testing/selftests/tpm2/ is TPM-specific test
Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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tpm_dev_transmit prepares the TPM space before attempting command
transmission. However if the command fails no rollback of this
preparation is done. This can result in transient handles being leaked
if the device is subsequently closed with no further commands performed.
Fix this by flushing the space in the event of command transmission
failure.
Fixes: 745b361e989a ("tpm: infrastructure for TPM spaces")
Signed-off-by: Jonathan McDowell <noodles@meta.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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The 'ld' and 'std' instructions require a 4-byte aligned displacement
because they are DS-form instructions. But the "m" asm constraint
doesn't enforce that.
That can lead to build errors if the compiler chooses a non-aligned
displacement, as seen with GCC 14:
/tmp/ccuSzwiR.s: Assembler messages:
/tmp/ccuSzwiR.s:2579: Error: operand out of domain (39 is not a multiple of 4)
make[5]: *** [scripts/Makefile.build:229: net/core/page_pool.o] Error 1
Dumping the generated assembler shows:
ld 8,39(8) # MEM[(const struct atomic64_t *)_29].counter, t
Use the YZ constraints to tell the compiler either to generate a DS-form
displacement, or use an X-form instruction, either of which prevents the
build error.
See commit 2d43cc701b96 ("powerpc/uaccess: Fix build errors seen with
GCC 13/14") for more details on the constraint letters.
Fixes: 9f0cbea0d8cc ("[POWERPC] Implement atomic{, 64}_{read, write}() without volatile")
Cc: stable@vger.kernel.org # v2.6.24+
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/all/20240913125302.0a06b4c7@canb.auug.org.au
Tested-by: Mina Almasry <almasrymina@google.com>
Reviewed-by: Segher Boessenkool <segher@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240916120510.2017749-1-mpe@ellerman.id.au
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Maddy will be helping out with upstream maintenance, add him as a
reviewer.
Acked-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240827063651.28985-1-mpe@ellerman.id.au
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Commit 5f1cda51107f ("platform/x86: intel_scu_wdt: Move intel_scu_wdt.h to
x86 subfolder") moves intel-mid_wdt.h in ./include/linux/platform_data into
the x86 subdirectory, but misses to adjust the INTEL MID PLATFORM section,
which is referring to this file.
Hence, ./scripts/get_maintainer.pl --self-test=patterns complains about a
broken reference.
Adjust the file entry to this header file movement.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@redhat.com>
Link: https://lore.kernel.org/r/20240917103955.102921-1-lukas.bulwahn@redhat.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The allocated size in xen_swiotlb_alloc_coherent() and
xen_swiotlb_free_coherent() is calculated wrong for the case of
XEN_PAGE_SIZE not matching PAGE_SIZE. Fix that.
Fixes: 7250f422da04 ("xen-swiotlb: use actually allocated size on check physical continuous")
Reported-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Juergen Gross <jgross@suse.com>
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When checking a memory buffer to be consecutive in machine memory,
the alignment needs to be checked, too. Failing to do so might result
in DMA memory not being aligned according to its requested size,
leading to error messages like:
4xxx 0000:2b:00.0: enabling device (0140 -> 0142)
4xxx 0000:2b:00.0: Ring address not aligned
4xxx 0000:2b:00.0: Failed to initialise service qat_crypto
4xxx 0000:2b:00.0: Resetting device qat_dev0
4xxx: probe of 0000:2b:00.0 failed with error -14
Fixes: 9435cce87950 ("xen/swiotlb: Add support for 64KB page granularity")
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Juergen Gross <jgross@suse.com>
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Change is_compressible() return type to bool, use WARN_ON_ONCE(1) for
internal errors and return false for those.
Renames:
check_repeated_data -> has_repeated_data
check_ascii_bytes -> is_mostly_ascii (also refactor into a single loop)
calc_shannon_entropy -> has_low_entropy
Also wraps "wreq->Length" in le32_to_cpu() in should_compress() (caught
by sparse).
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
Suggested-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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In SFU mode, activated by -o sfu mount option is now also support for
creating new fifos and sockets.
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Linux cifs client can already detect SFU symlinks and reads it content
(target location). But currently is not able to create new symlink. So
implement this missing support.
When 'sfu' mount option is specified and 'mfsymlinks' is not specified then
create new symlinks in SFU-style. This will provide full SFU compatibility
of symlinks when mounting cifs share with 'sfu' option. 'mfsymlinks' option
override SFU for better Apple compatibility as explained in fs_context.c
file in smb3_update_mnt_flags() function.
Extend __cifs_sfu_make_node() function, which now can handle also S_IFLNK
type and refactor structures passed to sync_write() in this function, by
splitting SFU type and SFU data from original combined struct win_dev as
combined fixed-length struct cannot be used for variable-length symlinks.
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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When userspace allocates memory with mmap() in order to be used for stack,
allow this memory region to automatically expand upwards up until the
current maximum process stack size.
The fault handler checks if the VM_GROWSUP bit is set in the vm_flags field
of a memory area before it allows it to expand.
This patch modifies the parisc specific code only.
A RFC for a generic patch to modify mmap() for all architectures was sent
to the mailing list but did not get enough Acks.
Reported-by: Camm Maguire <camm@maguirefamily.org>
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # v5.10+
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Signed-off-by: Helge Deller <deller@gmx.de>
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For an itlb miss when executing code above 4 Gb on ILP64 adjust the
iasq/iaoq in the same way isr/ior was adjusted. This fixes signal
delivery for the 64-bit static test program from
http://ftp.parisc-linux.org/src/64bit.tar.gz. Note that signals are
handled by the signal trampoline code in the 64-bit VDSO which is mapped
into high userspace memory region above 4GB for 64-bit processes.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # v4.19+
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Fix an upstream merge resolution issue[1]. The NETFS_SREQ_HIT_EOF flag,
and code to set it, got added via two different paths. The original path
saw it added in the netfslib read improvements[2], but it was also added,
and slightly differently, in a fix that was committed before v6.11:
1da29f2c39b67b846b74205c81bf0ccd96d34727
netfs, cifs: Fix handling of short DIO read
However, the code added to smb2_readv_callback() to set the flag in didn't
get removed when the netfs read improvements series was rebased to take
account of the cifs fixes. The proposed merge resolution[2] deleted it
rather than rebase the patches.
Fix this by removing the redundant lines. Code to set the bit that derives
from the fix patch is still there, a few lines above in the source.
Fixes: 35219bc5c71f ("Merge tag 'vfs-6.12.netfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs")
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Steve French <stfrench@microsoft.com>
cc: Paulo Alcantara <pc@manguebit.com>
cc: Christian Brauner <brauner@kernel.org>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
Link: https://lore.kernel.org/r/CAHk-=wjr8fxk20-wx=63mZruW1LTvBvAKya1GQ1EhyzXb-okMA@mail.gmail.com/ [1]
Link: https://lore.kernel.org/linux-fsdevel/20240913-vfs-netfs-39ef6f974061@brauner/ [2]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix an upstream merge resolution issue[1]. Prior to the netfs read
healpers, the SMB1 asynchronous read callback, cifs_readv_worker()
performed the cleanup for the operation in the network message processing
loop, potentially slowing down the processing of incoming SMB messages.
With commit a68c74865f51 ("cifs: Fix SMB1 readv/writev callback in the same
way as SMB2/3"), this was moved to a worker thread (as is done in the
SMB2/3 transport variant). However, the "was_async" argument to
netfs_subreq_terminated (which was originally incorrectly "false" got
flipped to "true" - which was then incorrect because, being in a kernel
thread, it's not in an async context).
This got corrected in the sample merge[2], but Linus, not unreasonably,
switched it back to its previous value.
Note that this value tells netfslib whether or not it can run sleepable
stuff or stuff that takes a long time, such as retries and cleanups, in the
calling thread, or whether it should offload to a worker thread.
Fix this so that it is "false". The callback to netfslib in both SMB1 and
SMB2/3 now gets offloaded from the network message thread to a separate
worker thread and thus it's fine to do the slow work in this thread.
Fixes: 35219bc5c71f ("Merge tag 'vfs-6.12.netfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs")
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Steve French <stfrench@microsoft.com>
cc: Paulo Alcantara <pc@manguebit.com>
cc: Christian Brauner <brauner@kernel.org>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
Link: https://lore.kernel.org/r/CAHk-=wjr8fxk20-wx=63mZruW1LTvBvAKya1GQ1EhyzXb-okMA@mail.gmail.com/ [1]
Link: https://lore.kernel.org/linux-fsdevel/20240913-vfs-netfs-39ef6f974061@brauner/ [2]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix a typo in comments.
Reported-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Kreimer <algonell@gmail.com>
Link: https://lore.kernel.org/r/20240912124944.43284-1-algonell@gmail.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
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The chip has 3 dual-channel PWM modules PWM_AB, PWM_CD, PWM_EF.
Signed-off-by: George Stark <gnstark@salutedevices.com>
Signed-off-by: Dmitry Rokosov <ddrokosov@salutedevices.com>
Acked-by: Conor Dooley <conor@kernel.org>
Link: https://lore.kernel.org/r/20240710234116.2370655-3-gnstark@salutedevices.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
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On newer SoCs, the PWM hardware can require a power domain to operate
so add corresponding optional property.
Signed-off-by: George Stark <gnstark@salutedevices.com>
Acked-by: Conor Dooley <conor@kernel.org>
Link: https://lore.kernel.org/r/20240710234116.2370655-2-gnstark@salutedevices.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
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After commit 0edb555a65d1 ("platform: Make platform_driver::remove()
return void") .remove() is (again) the right callback to implement for
platform drivers.
Convert all pwm drivers to use .remove(), with the eventual goal to drop
struct platform_driver::remove_new(). As .remove() and .remove_new() have
the same prototypes, conversion is done by just changing the structure
member name in the driver initializer.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://lore.kernel.org/r/20240909073125.382040-2-u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
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Properties with variable number of items per each device are expected to
have widest constraints in top-level "properties:" block and further
customized (narrowed) in "if:then:". Add missing top-level constraints
for clock-names.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20240818172828.121728-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
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The linux/fpga/adi-axi-common.h header already defines a macro for the
version register offset. Use this macro in the axi-pwmgen driver instead
of defining it again.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://lore.kernel.org/r/20240816-pwm-axi-pwmgen-use-shared-macro-v1-1-994153ebc3a7@baylibre.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
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Drop the trailing comma in the terminator entry for the ID table to make
code robust against misrebases.
Signed-off-by: Liao Chen <liaochen4@huawei.com>
Link: https://lore.kernel.org/r/20240831075059.790861-3-liaochen4@huawei.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
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Add MODULE_DEVICE_TABLE(), so modules could be properly autoloaded based
on the alias from of_device_id table.
Signed-off-by: Liao Chen <liaochen4@huawei.com>
Link: https://lore.kernel.org/r/20240831075059.790861-2-liaochen4@huawei.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
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Use of_property_read_bool() to read boolean properties rather than
of_get_property(). This is part of a larger effort to remove callers
of of_get_property() and similar functions. of_get_property() leaks
the DT property data pointer which is a problem for dynamically
allocated nodes which may be freed.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20240731191312.1710417-25-robh@kernel.org
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
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It turns out that OSC_EN bit in GERNERAL_CFG register has to be set to 1
when PWM state is enabled, otherwise PWM signal won't be generated.
Fixes: e9b503879fd2 ("pwm: adp5585: Add Analog Devices ADP5585 support")
Signed-off-by: Liu Ying <victor.liu@nxp.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://lore.kernel.org/r/20240826083337.1835405-1-victor.liu@nxp.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
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The return value from the call to of_property_count_u32_elems() is int.
However, the return value is being assigned to an u32 variable
'num_outputs', so making 'num_outputs' an int.
./drivers/pwm/pwm-lp3943.c:238:6-17: WARNING: Unsigned expression compared with zero: num_outputs <= 0.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=9710
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Fixes: 75f0cb339b78 ("pwm: lp3943: Use of_property_count_u32_elems() to get property length")
Link: https://lore.kernel.org/r/20240809080523.32717-1-jiapeng.chong@linux.alibaba.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
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The "input-events" LED trigger used to turn on the backlight LEDs had to
be rewritten to use led_trigger_register_simple() + led_trigger_event()
to fix a serious locking issue.
This means it no longer supports using blink_brightness to set a per LED
brightness for the trigger and it no longer sets LED_CORE_SUSPENDRESUME.
Adjust the MiPad 2 bottom bezel touch buttons LED class device to match:
1. Make LED_FULL the maximum brightness to fix the LED brightness
being very low when on.
2. Set flags = LED_CORE_SUSPENDRESUME.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240916090255.35548-1-hdegoede@redhat.com
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Some archs -- arm64 and s390x -- implemented chacha using instructions
that are available most places, but aren't always available. The kernel
handles this just fine, but the selftest does not. Check the hwcaps
before running, and skip the test if the cpu doesn't support it. As
well, on s390x, always emit the fallback instructions of an alternative
block, to ensure maximum compatibility.
Co-developed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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list_head can be initialized automatically with LIST_HEAD()
instead of calling INIT_LIST_HEAD(). No functional impact.
Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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SFU since its (first) version 3.0 supports AF_LOCAL sockets and stores them
on filesytem as system file with one zero byte. Add support for detecting
this SFU socket type into cifs_sfu_type() function.
With this change cifs_sfu_type() would correctly detect all special file
types created by SFU: fifo, socket, symlink, block and char.
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Callahan Kovacs
Vincent Huang
Jason Gerecke
Jiri Kosina
Hans de Goede
Kenneth Albanowski
Bartłomiej Maryńczak
Basavaraj Natikar
WangYuli
Stefan Blum
Wade Wang
SurajSonawane2415
Benjamin Tissoires
Krzysztof Kozlowski
Detlev Casanova
Kexy Biscuit
Uwe Kleine-König
Michal Suchanek
Jonathan McDowell
Michael Ellerman
Lukas Bulwahn
Juergen Gross
Enzo Matsumiya
Pali Rohár
Helge Deller
Helge Deller
David Howells
Andrew Kreimer
George Stark
David Lechner
Liao Chen
Rob Herring (Arm)
Liu Ying
Jiapeng Chong
Jason A. Donenfeld
Hongbo Li