The MediaTek MT8196 vlpckgen clock driver uses
__devm_regmap_init_mmio_clk() by devm_regmap_init_mmio(),
which is defined in drivers/base/regmap/regmap-mmio.c.
However, the driver's Kconfig entry does not select REGMAP_MMIO.
This causes a linker error when REGMAP_MMIO is not enabled.
Fix this by selecting REGMAP_MMIO in the Kconfig entry.
Fixes: 2f8b3ae6f0 ("clk: mediatek: Add MT8196 vlpckgen clock support")
Cc: stable@vger.kernel.org
Signed-off-by: Akari Tsuyukusa <akkun11.open@gmail.com>
Reviewed-by: Brian Masney <bmasney@redhat.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
Not only these error checks are redundand,
those of_clk_get() return values weren't cleaned up via clk_put().
Fixes: c7bb4fc16e ("clk: add MOXA ART SoCs clock driver")
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Reviewed-by: Brian Masney <bmasney@redhat.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
Named initializers are better readable and more robust to changes of the
struct definition. This robustness is relevant for a planned change to
struct platform_device_id replacing .driver_data by an anonymous union.
While touching these arrays unify spacing and usage of commas.
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
Reviewed-by: Matti Vaittinen <mazziesaccount@gmail.com>
Reviewed-by: Brian Masney <bmasney@redhat.com>
Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Signed-off-by: Brian Masney <bmasney@redhat.com>
Stop defaulting to 0 on BAD_CLK_INDEX (U8_MAX). Passing the out-of-bounds
index directly allows the clk core to fail gracefully during parent
lookup.
Link: https://lore.kernel.org/lkml/177431305509.5403.15386021337517970667@lazor/
Signed-off-by: Yu-Chun Lin <eleanor.lin@realtek.com>
Reviewed-by: Brian Masney <bmasney@redhat.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
zynq_clk_register_periph_clk() ignores the return value of the two
kasprintf() calls used to build the mux and divider clock names, and
passes the resulting (possibly NULL) pointers straight into
clk_register_mux(), clk_register_divider() and clk_register_gate() as
the clock '"'name'"' argument. On allocation failure that name later
gets dereferenced by the clock framework (e.g. in debugfs name
formatting), causing a NULL-pointer dereference.
Check both kasprintf() returns. On failure unwind any allocated name
buffer and the spinlock, then fall through to the existing err label
which sets clks[] to ERR_PTR(-ENOMEM). Freeing the spinlock on the
error path is correct here because no clk_register_*() call has had
a chance to take ownership of it; the success path intentionally
hands it off to the registered clocks.
The neighbouring zynq_clk_register_fclk() in the same file already
uses this per-allocation goto-label cleanup pattern; this change
brings periph_clk into line with it.
Signed-off-by: William Theesfeld <william@theesfeld.net>
Reviewed-by: Brian Masney <bmasney@redhat.com>
Reviewed-by: Michal Simek <michal.simek@amd.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
On multi-socket platforms each socket has its own BPMP which exposes the
same clock names. Fix this by using the NUMA ID as a prefix for the
clock names on multi-socket platforms.
Use 'sizeof(info->name)' in the strscpy() and snprintf() functions to
future proof against anyone changing the size of the 'name' array.
Co-developed-by: Timo Alho <talho@nvidia.com>
Signed-off-by: Timo Alho <talho@nvidia.com>
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Brian Masney <bmasney@redhat.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
clk_divider_bestdiv() clamps maxdiv using:
maxdiv = min(ULONG_MAX / rate, maxdiv);
to avoid overflow in rate * i. However, requests like
clk_round_rate(clk, ULONG_MAX), which are used to determine the maximum
supported rate of a clock, result in maxdiv being clamped to 1. If no
valid divider of 1 exists in the table the loop is never entered and
bestdiv falls back to the maximum divider with the minimum parent rate,
causing clk_round_rate(clk, ULONG_MAX) to incorrectly return the minimum
supported rate instead of the maximum.
Fix this by removing the pre-loop maxdiv clamping and replacing the
unprotected rate * i multiplication with check_mul_overflow(). Guard
the exact-match short-circuit with !overflow to prevent a clamped
target_parent_rate of ULONG_MAX from falsely matching parent_rate_saved
and causing premature loop exit. Break out of the loop after evaluating
the first overflowing divider since clk_hw_round_rate(parent, ULONG_MAX)
returns a constant for all subsequent iterations, meaning no better
candidate can be found, and continuing would cause exponential recursive
calls in chained divider clocks.
Update the KUnit test expected values to reflect the corrected behaviour:
- clk_divider_bestdiv_ulong_max_returns_max_rate: PARENT_RATE_1GHZ / 8
(minimum rate, pre-fix) -> PARENT_RATE_1GHZ / 2 (maximum rate)
- clk_divider_bestdiv_mux_ulong_max_returns_max_rate: 0 (invalid,
pre-fix) -> PARENT_RATE_4GHZ / 2 (maximum rate with mux selecting
the 4 GHz parent and applying the smallest table divider of 2)
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Brian Masney <bmasney@redhat.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
Add KUnit tests to verify the behaviour of clk_divider_bestdiv() when
clk_round_rate() is called with ULONG_MAX, which is the canonical way
to probe the maximum rate a clock can produce.
Two test cases are introduced:
- clk_divider_bestdiv_ulong_max_returns_max_rate: registers a 1 GHz
fixed-rate parent driving a table-based divider whose smallest entry
is div=2 (entries: 2, 4, 8). Calls clk_hw_round_rate(div_hw, ULONG_MAX)
and checks the result.
- clk_divider_bestdiv_mux_ulong_max_returns_max_rate: places a two-input
mux (4 GHz and 2 GHz fixed-rate parents, CLK_SET_RATE_PARENT) ahead of
the same table-based divider to verify correct parent selection under
ULONG_MAX.
Both tests use an explicit clk_div_table with a minimum divider of 2 so
that the pre-loop maxdiv clamping in clk_divider_bestdiv():
maxdiv = min(ULONG_MAX / rate, maxdiv);
clamps maxdiv to 1, causing _next_div() to return 2 on the first
iteration and skip the loop body entirely. This makes bestdiv fall back
to the maximum divider, returning the minimum rate rather than the
maximum.
The expected values intentionally reflect the buggy output:
- test 1: PARENT_RATE_1GHZ / 8 (minimum rate, not maximum)
- test 2: 0 (invalid, loop never populated bestdiv)
These will be corrected to PARENT_RATE_1GHZ / 2 and PARENT_RATE_4GHZ / 2
respectively once the fix to clk_divider_bestdiv() is applied.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Brian Masney <bmasney@redhat.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
Add auxiliary driver to support ESWIN EIC7700 high-speed peripherals
system. The reset controller is created using the auxiliary device
framework and set up in the clock driver.
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Xuyang Dong <dongxuyang@eswincomputing.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
Add driver for the ESWIN EIC7700 high-speed peripherals system
clock controller and register an auxiliary device for system
reset controller which is named as "hsp-reset".
Reviewed-by: Brian Masney <bmasney@redhat.com>
Signed-off-by: Xuyang Dong <dongxuyang@eswincomputing.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
Add bindings for the high-speed peripherals clock and reset generator
on the ESWIN EIC7700 HSP.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Xuyang Dong <dongxuyang@eswincomputing.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
The gate_noc_nsp_clk provides the essential clock source for NPU,
DSP, and PCIe subsystems. During kernel init, the clock framework
attempts to disable unused clocks when clk_ignore_unused kernel
parameter is not set.
However, gate_noc_nsp_clk is required to remain enabled for these
critical subsystems to function properly, causing PCIe boot failures
when auto-disabled.
Add CLK_IGNORE_UNUSED flag to gate_noc_nsp_clk to ensure it stays
enabled even when clk_ignore_unused is not specified in kernel
command line.
Fixes: cd44f127c1 ("clk: eswin: Add eic7700 clock driver")
Signed-off-by: Xuyang Dong <dongxuyang@eswincomputing.com>
Reviewed-by: Brian Masney <bmasney@redhat.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
When using driver on Zynq-7000 (32-bit) determine_rate calculation
overflows. For instance requesting 32MHz with 100MHz parent clock
results in 100000000*(4*1000+0) 32-bit multiplication.
Replace the expression with mult_frac which is already used in
clk_wzrd_recalc_ratef.
Cc: stable@vger.kernel.org
Fixes: 7681f64e64 ("clk: clocking-wizard: calculate dividers fractional parts")
Signed-off-by: Pale Löbl <pavel@loebl.cz>
Reviewed-by: Brian Masney <bmasney@redhat.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
The buffer length is known to be KUNIT_PARAM_DESC_SIZE
Signed-off-by: David Laight <david.laight.linux@gmail.com>
Reviewed-by: Brian Masney <bmasney@redhat.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
Simplify allocation by using a flexible array member and kzalloc_flex to
combine allocations.
Add __counted_by for extra runtime analysis. Move counting variable
assignment to right after allocation. kzalloc_flex does this
automatically with GCC >= 15.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Brian Masney <bmasney@redhat.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
- Introduce 'clk-scmi-oem.c' to support vendor-specific OEM extensions
for the SCMI clock driver, allows clean integration of vendor-specific
features without impacting the core SCMI clock driver logic.
- Extend 'clk-scmi.h' with 'scmi_clk_oem' structure and related
declarations.
- Initialize OEM extensions via 'scmi_clk_oem_init()'.
- Support querying OEM-specific features and setting spread spectrum.
- Pass 'scmi_device' to 'scmi_clk_ops_select()' for OEM data access.
Reviewed-by: Sebin Francis <sebin.francis@ti.com>
Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
Added a new header file 'clk-scmi.h' to define common structures and
interfaces for the SCMI clock driver. This header will also be used by
OEM-specific extensions to ensure consistency and reusability.
Moved relevant structure definitions from the driver implementation to
'clk-scmi.h' to facilitate shared usage.
Reviewed-by: Sebin Francis <sebin.francis@ti.com>
Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
Add KUnit test coverage for the assigned-clock-sscs DT property that
configures spread spectrum on clocks before they are used.
Extend the existing test infrastructure to support spread spectrum:
- Add struct clk_spread_spectrum field to clk_dummy_context and a
clk_dummy_set_spread_spectrum callback
- Wire set_spread_spectrum into all dummy clock ops
- Extend clk_assigned_rates_register_clk and test parameter struct
to propagate initial SSCS values
Add a new separate test suite clk_assigned_sscs with three categories:
1. clk_assigned_sscs_assigns_one — verifies that a single
assigned-clock-sscs entry correctly configures spread spectrum
on one clock, testing both provider and consumer paths
2. clk_assigned_sscs_assigns_multiple — verifies that multiple
assigned-clock-sscs entries configure spread spectrum on two
clocks, testing both provider and consumer paths
3. clk_assigned_sscs_skips — verifies that malformed DT properties
are correctly skipped without error: missing assigned-clocks,
zero-valued SSCS, and null phandles, tested for both provider
and consumer scenarios
New DT overlays are added for all test scenarios:
- kunit_clk_assigned_sscs_one{,consumer} — single valid entry
- kunit_clk_assigned_sscs_multiple{,consumer} — two valid entries
- kunit_clk_assigned_sscs_without{,consumer} — missing assigned-clocks
- kunit_clk_assigned_sscs_zero{,consumer} — all-zero SSCS values
- kunit_clk_assigned_sscs_null{,consumer} — null phandle
Co-developed-by: Brian Masney <bmasney@redhat.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
Parse the Spread Spectrum Configuration(SSC) from device tree and configure
them before using the clock.
Each SSC is three u32 elements which means '<modfreq spreaddepth
modmethod>', so assigned-clock-sscs is an array of multiple three u32
elements.
Reviewed-by: Brian Masney <bmasney@redhat.com>
Reviewed-by: Sebin Francis <sebin.francis@ti.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
Add clk_hw_set_spread_spectrum to configure a clock to enable spread
spectrum feature. set_spread_spectrum ops is added for clk drivers to
have their own hardware specific implementation.
Reviewed-by: Brian Masney <bmasney@redhat.com>
Reviewed-by: Sebin Francis <sebin.francis@ti.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
Per dt-schema, the modulation methods are: down-spread(3), up-spread(2),
center-spread(1), no-spread(0). So define them in dt-bindings to avoid
write the magic number in device tree.
Reviewed-by: Brian Masney <bmasney@redhat.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Sebin Francis <sebin.francis@ti.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
The "reg" property is an address-sized DT cell property. The AT91
compat clock parser only uses a small bus id from it, but reading it
with the u8 helper does not match the property encoding.
Use of_property_read_reg() so the code goes through the helper for
"reg" properties, then keep the existing range check before passing
the bus id to the clock registration code.
Assisted-by: Codex:gpt-5-5
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Brian Masney <bmasney@redhat.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
The rate set_rate helpers perform a read-modify-write on the divider
and multiplier registers but only ever OR the new value in, without
first masking off the existing field. The first write after reset lands
on a zeroed field and looks correct, but any later reprogramming leaves
the old bits set: the field becomes the bitwise OR of the previous and
new encodings, corrupting the divider or multiplier.
Mask off each field before writing the new value so reprogramming a
clock to a different rate produces the intended register contents.
Fixes: a7b7c7c6c0 ("clk: canaan: Add clock driver for Canaan K230")
Signed-off-by: David Carlier <devnexen@gmail.com>
Reviewed-by: Brian Masney <bmasney@redhat.com>
Acked-by: Xukai Wang <kingxukai@zohomail.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
The driver was introduced in 2021 and since then only supports a single
chip variant. Simplify the driver by hard-coding the device properties
instead of using the id_table's abstraction for a single chip type.
While touching the id table, use a single space in the table terminator
to match the most used style.
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
Reviewed-by: Brian Masney <bmasney@redhat.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
vc7_probe() registers the APLL with clk_register_fixed_rate(), which is
not devm-managed and must be explicitly unregistered on probe failure.
Most later errors already unwind through err_clk, but a failure from
vc7_get_bank_clk() in the output registration loop returned directly.
That skipped clk_unregister_fixed_rate() and leaked the APLL clock.
Route that error through the existing err_clk label so the fixed-rate
clock is released consistently with the other probe failure paths.
This issue was identified during our ongoing static-analysis research while
reviewing kernel code.
Fixes: 48c5e98fed ("clk: Renesas versaclock7 ccf device driver")
Co-developed-by: Ijae Kim <ae878000@gmail.com>
Signed-off-by: Ijae Kim <ae878000@gmail.com>
Signed-off-by: Myeonghun Pak <mhun512@gmail.com>
Reviewed-by: Brian Masney <bmasney@redhat.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
device removal, along with documentation fixes and minor AMD driver
cleanups.
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Merge tag 'ntb-7.2' of https://github.com/jonmason/ntb
Pull NTB updates from Jon Mason:
"An EPF bug fix to prevent an invalid unmap during device removal,
along with documentation fixes and minor AMD driver cleanups"
* tag 'ntb-7.2' of https://github.com/jonmason/ntb:
ntb: amd: Use named initializer for pci_device_id::driver_data
NTB: fix kernel-doc warnings in ntb.h
NTB: epf: Avoid pci_iounmap() with offset when PEER_SPAD and CONFIG share BAR
ntb_hw_amd: Fix incorrect debug message in link disable path
- Updates to Synaptics RMI4 driver to fix potential OOB accesses in
F30 and F3A keymap handling
- A workaround in Synaptics RMI4 to tolerate buggy firmware on some
touchpads (e.g. ThinkPad T14 Gen 1) that report incomplete register
descriptor structures, preventing probe failures
- A revert of an incorrect register descriptor address calculation in
Synaptics RMI4 driver
- A fix for a regression in HP GSC PS/2 (gscps2) driver where the
receive buffer write index was not advanced, leaving keyboard and
mouse unusable.
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Merge tag 'input-for-v7.2-rc0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull more input updates from Dmitry Torokhov:
- Updates to Synaptics RMI4 driver to fix potential OOB accesses in F30
and F3A keymap handling
- A workaround in Synaptics RMI4 to tolerate buggy firmware on some
touchpads (e.g. ThinkPad T14 Gen 1) that report incomplete register
descriptor structures, preventing probe failures
- A revert of an incorrect register descriptor address calculation in
Synaptics RMI4 driver
- A fix for a regression in HP GSC PS/2 (gscps2) driver where the
receive buffer write index was not advanced, leaving keyboard and
mouse unusable.
* tag 'input-for-v7.2-rc0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: gscps2 - advance receive buffer write index
Input: rmi4 - tolerate short register descriptor structure
Revert "Input: rmi4 - fix register descriptor address calculation"
Input: synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count
Input: synaptics-rmi4 - bound the F3A keymap to the GPIO count
Two more fixes that I managed to put into the public branch merged into
next before my first PR but missed to include them in it. The first
change is a relevant change that fixes misconfigurations due to a
variable overflow. The 2nd is only cosmetic but very obviously an
improvement.
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Merge tag 'pwm/for-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux
Pull pwm fixes from Uwe Kleine-König:
"Two more fixes that I managed to put into the public branch merged
into next before my first pull request but missed to include them in
it.
The first change is a relevant change that fixes misconfigurations due
to a variable overflow. The second is only cosmetic but very obviously
an improvement"
* tag 'pwm/for-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux:
pwm: rzg2l-gpt: Add missing newlines to dev_err_probe() messages
pwm: rzg2l-gpt: Fix period_ticks type from u32 to u64
Fixes:
- fbcon: fix NULL pointer dereference for a console without vc_data [Ian Bridges]
- fbdev: fix fb_new_modelist to prevent null-ptr-deref in fb_videomode_to_var [Ian Bridges]
Fixes in failure paths:
- pm2fb: unwind write-cache setting on probe failure [Haoxiang Li]
- goldfishfb: fail pan display on base-update timeout [Pengpeng Hou]
- viafb: return error on DMA copy time-out [Pengpeng Hou]
- fbcon: fix out-of-bounds read in error path of fbcon_do_set_font() [Mingyu Wang]
- fbdev: fix modelist use-after-free in store_modes() [Ian Bridges]
Code cleanup:
- vga16fb: clean up platform_device_id table [Uwe Kleine-König]
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Merge tag 'fbdev-for-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev
Pull more fbdev updates from Helge Deller:
"Fixes for generic fbdev & fbcon code for the handling of modelists
and preventing a potential NULL ptr dereference in the console code.
Fix missed cleanups in the error path of various fbdev drivers.
And Uwe Kleine-König contributed a cleanup patch to use named
initializers in the vga16fb driver"
* tag 'fbdev-for-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
fbdev: Fix fb_new_modelist to prevent null-ptr-deref in fb_videomode_to_var
fbcon: fix NULL pointer dereference for a console without vc_data
fbdev: fix use-after-free in store_modes()
fbdev: viafb: return an error when DMA copy times out
fbdev: goldfishfb: fail pan display on base-update timeout
fbdev: fbcon: fix out-of-bounds read in err_out of fbcon_do_set_font()
fbdev: pm2fb: unwind WC setup on probe failure
fbdev: vga16fb: Drop unused assignment of platform_device_id driver data
A collection of small bug fixes accumulated over the last week.
Most are device-specific fixes while there are a few core fixes as
well.
Here are the highlights:
ALSA Core:
- A fix for an uninitialised heap leak in ALSA sequencer core
- A fix for error handling/resource leak in compress-offload API
USB-audio:
- A teardown-ordering fix in USB MIDI 2.0 to prevent use-after-free
- Bounds and length checks for packet data in Native Instruments caiaq
/ Traktor Kontrol input parsers
- Avoidance of expensive kobject path lookups in DualSense controller
matches
- Robustness/memory leak fixes for Qualcomm USB offload driver
- Focusrite Control Protocol (FCP) NULL-pointer dereference fix and a
new device quirk (ISA C8X)
- Device-specific quirks for Yamaha CDS3000 and SC13A
HD-Audio:
- A bunch of quirks and mute/mic-mute LED fixups for various laptops
(Acer, Clevo, Lenovo, HP)
ASoC & SoundWire:
- Avoid failing card registration if the device_link creation fails
- A workaround for SoundWire randconfig build failures by making
helper functions static inline
- Corrected MCLK reference validation for CS530x codecs
- Clean up of untested, problematic guard() macro replacements in
Rockchip SAI driver
- Fix for eDMA maxburst misalignment with channel count in Freescale
ASRC
- Miscellaneous hardware-specific fixes (qcom, rt5650, tlv320aic3x,
tas2781/3)
Others:
- Bounds and length checks for packet data in Apple iSight
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Merge tag 'sound-fix-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small bug fixes accumulated over the last week.
Most are device-specific fixes while there are a few core fixes as
well.
Here are the highlights:
ALSA Core:
- A fix for an uninitialised heap leak in ALSA sequencer core
- A fix for error handling/resource leak in compress-offload API
USB-audio:
- A teardown-ordering fix in USB MIDI 2.0 to prevent use-after-free
- Bounds and length checks for packet data in Native Instruments
caiaq / Traktor Kontrol input parsers
- Avoidance of expensive kobject path lookups in DualSense controller
matches
- Robustness/memory leak fixes for Qualcomm USB offload driver
- Focusrite Control Protocol (FCP) NULL-pointer dereference fix and a
new device quirk (ISA C8X)
- Device-specific quirks for Yamaha CDS3000 and SC13A
HD-Audio:
- A bunch of quirks and mute/mic-mute LED fixups for various laptops
(Acer, Clevo, Lenovo, HP)
ASoC & SoundWire:
- Avoid failing card registration if the device_link creation fails
- A workaround for SoundWire randconfig build failures by making
helper functions static inline
- Corrected MCLK reference validation for CS530x codecs
- Clean up of untested, problematic guard() macro replacements in
Rockchip SAI driver
- Fix for eDMA maxburst misalignment with channel count in Freescale
ASRC
- Miscellaneous hardware-specific fixes (qcom, rt5650, tlv320aic3x,
tas2781/3)
Others:
- Bounds and length checks for packet data in Apple iSight"
* tag 'sound-fix-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (46 commits)
ALSA: FCP: Fix NULL pointer dereference in interface lookup
ALSA: hda/realtek: Update Acer Nitro ANV15-41 quirk to enable mute LED
ASoC: fsl_asrc_dma: fix eDMA maxburst misalignment with channel count
ASoC: codecs: pcm512x: only print info once on no sclk
ASoC: tas2781: Update default register address to TAS2563
ALSA: firewire: isight: bound the sample count to the packet payload
ALSA: usb-audio: qcom: Free QMI handle
ALSA: hda: Add Lenovo Legion 7i 16IAX7 17AA3874 quirk
ALSA: usb-audio: avoid kobject path lookup in DualSense match
ALSA: hda/realtek: Add quirk for Acer Nitro ANV15-41
ASoC: soc-core: Don't fail if device_link could not be created
ASoC: rockchip: rockchip_sai: #include <linux/platform_device.h> explicitly
ALSA: seq: Fix uninitialised heap leak in snd_seq_event_dup()
ASoC: rt5575: Use __le32 for SPI burst write address
ASoC: tas2783: Update loaded firmware names to linux-firmware 20260519
ASoC: SDCA: Validate written enum value in ge_put_enum_double()
ASoC: realtek: Add back local call to sdw_show_ping_status()
ASoC: ti: Add back local call to sdw_show_ping_status()
ASoC: max98373: Add back local call to sdw_show_ping_status()
ASoC: es9356: Add back local call to sdw_show_ping_status()
...
Subsystem:
- add rtc_read_next_alarm() to read next expiring timer
Drivers:
- ds1307: handle OSF for ds1337/ds1339/ds3231, add clock provider for ds1307,
fix wday for rx8130
- m41t93: DT support, alarm, clock provider, watchdog support
- mv: add suspend/resume support for wakeup
- pcap: remove driver
- renesas-rtca3: many fixes
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Merge tag 'rtc-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Most of the work and improvements are for features of the m41t93.
The ds1307 also gets support for OSF (Oscillator Stop Flag) for
new variants.
The pcap driver is being removed as the Motorola EZX support was
removed a while ago.
Subsystem:
- add rtc_read_next_alarm() to read next expiring timer
Drivers:
- ds1307: handle OSF for ds1337/ds1339/ds3231, add clock provider for
ds1307, fix wday for rx8130
- m41t93: DT support, alarm, clock provider, watchdog support
- mv: add suspend/resume support for wakeup
- pcap: remove driver
- renesas-rtca3: many fixes"
* tag 'rtc-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (36 commits)
rtc: ds1307: update reference to removed CONFIG_RTC_DRV_DS1307_HWMON
platform/x86: amd-pmc: Fix S0i3 wakeup with alarmtimer
rtc: s35390a: fix typo in comment
rtc: cmos: unregister HPET IRQ handler on probe failure
rtc: ds1307: Fix off-by-one issue with wday for rx8130
dt-bindings: rtc: ds1307: Add epson,rx8901
rtc: bq32000: add delay between RTC reads
rtc: m41t93: Add watchdog support
rtc: m41t93: Add square wave clock provider support
rtc: m41t93: Add alarm support
rtc: m41t93: migrate to regmap api for register access
rtc: m41t93: add device tree support
dt-bindings: rtc: Add ST m41t93
rtc: ds1307: add support for clock provider in ds1307
rtc: mv: add suspend/resume support for wakeup
rtc: aspeed: add AST2700 compatible
dt-bindings: rtc: add ASPEED AST2700 compatible
rtc: interface: fix typos in rtc_handle_legacy_irq() documentation
rtc: msc313: fix NULL deref in shared IRQ handler at probe
rtc: remove unused pcap driver
...
- Fix a bug where in a specific edge case, file contents en/decryption
could be done with the wrong data unit size.
- Fix the data structure used for keeping track of users that have added
an fscrypt key to be a simple list instead of a 'struct key' keyring.
This fixes issues such as a lockdep report found by syzbot and
possible unintended interactions with the keyctl() system calls.
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Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/linux
Pull fscrypt fixes from Eric Biggers:
- Fix a bug where in a specific edge case, file contents en/decryption
could be done with the wrong data unit size
- Fix the data structure used for keeping track of users that have
added an fscrypt key to be a simple list instead of a 'struct key'
keyring
This fixes issues such as a lockdep report found by syzbot and
possible unintended interactions with the keyctl() system calls
* tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/linux:
fscrypt: Replace mk_users keyring with simple list
fscrypt: Fix key setup in edge case with multiple data unit sizes
Commit 44f9200699 ("Input: gscps2 - use guard notation when
acquiring spinlock") moved the receive loop into gscps2_read_data()
and gscps2_report_data().
While moving the code, it preserved the writes to
buffer[ps2port->append], but omitted the following producer index
update from the original loop:
ps2port->append = (ps2port->append + 1) & BUFFER_SIZE;
As a result, append never advances. Since gscps2_report_data() only
reports bytes while act != append, the receive buffer always appears
empty and no keyboard or mouse data reaches the serio core.
Restore the omitted index update.
Fixes: 44f9200699 ("Input: gscps2 - use guard notation when acquiring spinlock")
Cc: stable@vger.kernel.org # 6.13+
Signed-off-by: Xu Rao <raoxu@uniontech.com>
Link: https://patch.msgid.link/460B5655BA580C60+20260624094739.850306-1-raoxu@uniontech.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Some touchpads (e.g. ThinkPad T14 Gen 1) have buggy firmware that reports
a register descriptor structure size that is too small for the number of
registers it claims to have in the presence map. The remaining bytes in
the structure are 0, which with the new strict bounds checking causes the
parser to fail with -EIO, aborting the device probe.
Tolerate such short reads by dropping the remaining (unparseable or
0-size) registers from the list instead of failing the probe,
preventing the driver from trying to use them.
Fixes: 0adb483fbf ("Input: rmi4 - refactor register descriptor parsing")
Reported-by: Barry K. Nathan <barryn@pobox.com>
Tested-by: Barry K. Nathan <barryn@pobox.com>
Cc: stable@vger.kernel.org
Assisted-by: Antigravity:gemini-3.5-flash
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The register descriptor presence register is a packet register, which
means its bytes share a single RMI address. It does not occupy
consecutive addresses, and the register structure that follows it
is located at the next RMI address (presence_address + 1), not
(presence_address + presence_size).
Revert the incorrect address calculation introduced in commit
a98518e724.
Reported-by: "Barry K. Nathan" <barryn@pobox.com>
Tested-by: "Barry K. Nathan" <barryn@pobox.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The current list initialisation depends on the well hidden two zeros in
the PCI_VDEVICE macro. Instead use a named initialisation that is more
robust and easier to understand.
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Correct a function name and function parameter name to avoid
kernel-doc warnings:
Warning: include/linux/ntb.h:575 expecting prototype for
ntb_default_port_count(). Prototype was for ntb_default_peer_port_count()
instead
Warning: include/linux/ntb.h:590 function parameter 'pidx' not
described in 'ntb_default_peer_port_number'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
When BAR_PEER_SPAD and BAR_CONFIG share one PCI BAR, the module teardown
path ends up calling pci_iounmap() on the same iomem with some offset,
which is unnecessary and triggers a kernel warning like the following:
Trying to vunmap() nonexistent vm area (0000000069a5ffe8)
WARNING: mm/vmalloc.c:3470 at vunmap+0x58/0x68, CPU#5: modprobe/2937
[...]
Call trace:
vunmap+0x58/0x68 (P)
iounmap+0x34/0x48
pci_iounmap+0x2c/0x40
ntb_epf_pci_remove+0x44/0x80 [ntb_hw_epf]
pci_device_remove+0x48/0xf8
device_remove+0x50/0x88
device_release_driver_internal+0x1c8/0x228
driver_detach+0x50/0xb0
bus_remove_driver+0x74/0x100
driver_unregister+0x34/0x68
pci_unregister_driver+0x34/0xa0
ntb_epf_pci_driver_exit+0x14/0xfe0 [ntb_hw_epf]
[...]
Fix it by unmapping only when PEER_SPAD and CONFIG use difference bars.
Cc: stable@vger.kernel.org
Fixes: e75d5ae8ab ("NTB: epf: Allow more flexibility in the memory BAR map method")
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Koichiro Den <den@valinux.co.jp>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
amd_ntb_link_disable() prints "Enabling Link" which is misleading.
Update the message to reflect that the link is being disabled.
Signed-off-by: Alok Tiwari <alok.a.tiwari@oracle.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
sysfb
- drm/sysfb truncation and alignment fixes.
edid:
- fix edid OOB read in tile parsing
- increase displayid topology id to correct size.
nouveau:
- fix error handling paths in nouveau
amdxdna:
- get_bo_info fix.
ivpu:
- fix leak when error handling in ivpu.
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Merge tag 'drm-fixes-2026-06-27' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"These are just the fixes from our fixes branch, all pretty small and
scattered.
sysfb:
- drm/sysfb truncation and alignment fixes
edid:
- fix edid OOB read in tile parsing
- increase displayid topology id to correct size
nouveau:
- fix error handling paths in nouveau
amdxdna:
- get_bo_info fix
ivpu:
- fix leak when error handling in ivpu"
* tag 'drm-fixes-2026-06-27' of https://gitlab.freedesktop.org/drm/kernel:
drm/sysfb: Avoid truncating maximum stride
drm/sysfb: Return errno code from drm_sysfb_get_visible_size()
drm/sysfb: Avoid possible truncation with calculating visible size
drm/sysfb: Do not page-align visible size of the framebuffer
drm/edid: fix OOB read in drm_parse_tiled_block()
drm/nouveau: fix reversed error cleanup order in ucopy functions
drm/nouveau/acr: fix missing nvkm_done() in error path of nvkm_acr_oneinit()
accel/amdxdna: Use caller client for debug BO sync
drm/displayid: fix Tiled Display Topology ID size
accel/ivpu: fix HWS command queue leak on registration failure
i915:
- Fix corrupted display output on GLK, #16209
- Add missing Spectre mitigation for parallel submit IOCTL
- MTL+ fix for DP resume
- clear CRTC blobs after dropping refs
- fix sharpness filter on DP MST
xe:
- Set TTM beneficial order to 9 in Xe
- Several error path cleanups
- Fix TDR for unstarted jobs on kernel queues
- Several TLB invalidation fixes related to suspending LR queues
- Some small RAS fixes
- Multi-queue suspend fix for LR queues
- Revert inclusion of NVL_S firmware
amdgpu:
- devcoredump fixes
- SMU15 fix
- Various irq put/get imbalance cleanup fixes
- 8K panel fix
- DCN3.5 fix
- lockdep fix
- Cleaner shader sysfs IB overflow fix
- Async flip fixes
- GET_MAPPING_INFO fix
- CP_GFX_SHADOW fix
- Ctx pstate handling fix
- GTT bo move handling fixes
- Old UVD BO placement fixes
- GC9 mode2 reset fix
- IH6.1 version fix
- Soft IH ring fix
amdkfd:
- Fix doorbell/mmio double unpin on free
- CRIU fixes
- SMI event fixes
- Sysfs teardown fix
- Various boundary checking fixes
- Various error checking fixes
- SVM fix
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Merge tag 'drm-next-2026-06-27' of https://gitlab.freedesktop.org/drm/kernel
Pull drm merge window fixes from Dave Airlie:
"This is the merge window fixes from our next tree, i915/xe and amdgpu
make up all of it.
I've got a separate fixes pull from our fixes branch arriving after
this.
i915:
- Fix corrupted display output on GLK, #16209
- Add missing Spectre mitigation for parallel submit IOCTL
- MTL+ fix for DP resume
- clear CRTC blobs after dropping refs
- fix sharpness filter on DP MST
xe:
- Set TTM beneficial order to 9 in Xe
- Several error path cleanups
- Fix TDR for unstarted jobs on kernel queues
- Several TLB invalidation fixes related to suspending LR queues
- Some small RAS fixes
- Multi-queue suspend fix for LR queues
- Revert inclusion of NVL_S firmware
amdgpu:
- devcoredump fixes
- SMU15 fix
- Various irq put/get imbalance cleanup fixes
- 8K panel fix
- DCN3.5 fix
- lockdep fix
- Cleaner shader sysfs IB overflow fix
- Async flip fixes
- GET_MAPPING_INFO fix
- CP_GFX_SHADOW fix
- Ctx pstate handling fix
- GTT bo move handling fixes
- Old UVD BO placement fixes
- GC9 mode2 reset fix
- IH6.1 version fix
- Soft IH ring fix
amdkfd:
- Fix doorbell/mmio double unpin on free
- CRIU fixes
- SMI event fixes
- Sysfs teardown fix
- Various boundary checking fixes
- Various error checking fixes
- SVM fix"
* tag 'drm-next-2026-06-27' of https://gitlab.freedesktop.org/drm/kernel: (52 commits)
drm/i915/cdclk: Fix up CDCLK_FREQ_DECIMAL without a full PLL re-enable
drm/i915/gem: Add missing nospec on parallel submit slot
drm/amdgpu: Use system unbound workqueue for soft IH ring
amdgpu/ih6.1: Fix minor version
drm/amdkfd: Use exclusive bounds for SVM split alignment checks
drm/amdgpu/gfx9: Fix Ring and IB test fail after mode2
drm/amdgpu/uvd: Fix forcing MSG, FB BOs into VCPU segment when it isn't at 0 (v2)
drm/amdgpu/uvd: Place VCPU BO only in VRAM for UVD 4.x and older
drm/amdgpu: Fix amdgpu_bo_move() when old_mem and new_mem are both GTT
drm/amdgpu: Respect placement requirements in amdgpu_gtt_mgr functions
drm/amdgpu: Fix context pstate override handling
drm/amdkfd: Use memdup_array_user to copy data from/to user space at kfd ioctls
drm/amdkfd: check find_first_zero_bit before __set_bit on kfd->doorbell_bitmap
drm/amdkfd: Let driver decide buffer size at AMDKFD_IOC_GET_DMABUF_INFO ioctl
drm/amdgpu: fix recursive ww_mutex acquire in amdgpu_devcoredump_format
drm/amdgpu: convert amdgpu_vm_lock_by_pasid() to drm_exec
drm/amdgpu: Don't use UTS_RELEASE directly
drm/amdkfd: Fix NULL deref during sysfs teardown
drm/amdgpu: validate CP_GFX_SHADOW chunk size in CS pass1
drm/amdgpu: check amdgpu_vm_bo_find() result in GET_MAPPING_INFO
...
operators to get out of tricky livelock situations involving caps and
file locks without evicting the problematic client instance on the MDS
side or rebooting the client node both of which can be disruptive.
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Merge tag 'ceph-for-7.2-rc1' of https://github.com/ceph/ceph-client
Pull ceph updates from Ilya Dryomov:
"This adds support for manual client session reset in CephFS, allowing
operators to get out of tricky livelock situations involving caps and
file locks without evicting the problematic client instance on the MDS
side or rebooting the client node both of which can be disruptive"
* tag 'ceph-for-7.2-rc1' of https://github.com/ceph/ceph-client:
ceph: add manual reset debugfs control and tracepoints
ceph: add client reset state machine and session teardown
ceph: add diagnostic timeout loop to wait_caps_flush()
ceph: harden send_mds_reconnect and handle active-MDS peer reset
ceph: use proper endian conversion for flock_len in reconnect
ceph: convert inode flags to named bit positions and atomic bitops
rbd: switch to dynamic root device
- Fix dangling resources on thermal_throttle_online() failure in the
Intel thermal_throttle driver (Ricardo Neri)
- Eliminate a possibility of running thermal testing module code after
that module has been removed (Rafael Wysocki)
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Merge tag 'thermal-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fixes from Rafael Wysocki:
"These fix a failure path in an Intel thermal driver and prevent
thermal testing module code from being executed after it has been
freed:
- Fix dangling resources on thermal_throttle_online() failure in the
Intel thermal_throttle driver (Ricardo Neri)
- Eliminate a possibility of running thermal testing module code
after that module has been removed (Rafael Wysocki)"
* tag 'thermal-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: testing: zone: Flush work items during cleanup
thermal: intel: Fix dangling resources on thermal_throttle_online() failure
- Remove a misguided warning along with an inaccurate comment next to
it from the cpuidle core (Rafael Wysocki)
- Clear need_freq_update as appropriate in the .adjust_perf()
path of the schedutil cpufreq governor to avoid calling
cpufreq_driver_adjust_perf() unnecessarily on every scheduler
utilization update (Zhongqiu Han)
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Merge tag 'pm-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix the schedutil cpufreq governor and drop a bogus warning
from the cpuidle core:
- Remove a misguided warning along with an inaccurate comment
next to it from the cpuidle core (Rafael Wysocki)
- Clear need_freq_update as appropriate in the .adjust_perf()
path of the schedutil cpufreq governor to avoid calling
cpufreq_driver_adjust_perf() unnecessarily on every scheduler
utilization update (Zhongqiu Han)"
* tag 'pm-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpuidle: Allow exit latency to exceed target residency
cpufreq: schedutil: Fix uncleared need_freq_update on the .adjust_perf() path
- Unbreak ACPICA tools builds after switching over to using
strscpy_pad() that is kernel-specific (Rafael Wysocki)
- Fix module parameter file paths in comments in the ACPI code managing
the general sysfs attributes (Zenghui Yu)
- Update kerneldoc comments in the ACPI resource management code to
follow the common style (Andy Shevchenko)
- Fix inverted interface check in ipmi_bmc_gone() that may cause ACPI
IPMI interfaces to be mishandled (Xu Rao)
- Add __cpuidle annotation to idle state management functions related
to ACPI _LPI to avoid trace-induced RCU warnings (Li RongQing)
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Merge tag 'acpi-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI support fixes and cleanups from Rafael Wysocki:
"These fix assorted issues and do cleanups in the ACPI support code,
which includes a fix for tools build breakage related to strncpy()
removal:
- Unbreak ACPICA tools builds after switching over to using
strscpy_pad() that is kernel-specific (Rafael Wysocki)
- Fix module parameter file paths in comments in the ACPI code
managing the general sysfs attributes (Zenghui Yu)
- Update kerneldoc comments in the ACPI resource management code to
follow the common style (Andy Shevchenko)
- Fix inverted interface check in ipmi_bmc_gone() that may cause ACPI
IPMI interfaces to be mishandled (Xu Rao)
- Add __cpuidle annotation to idle state management functions related
to ACPI _LPI to avoid trace-induced RCU warnings (Li RongQing)"
* tag 'acpi-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: processor_idle: Mark LPI enter functions as __cpuidle
ACPICA: Unbreak tools build after switching over to strscpy_pad()
ACPI: IPMI: Fix inverted interface check in ipmi_bmc_gone()
ACPI: resource: Amend kernel-doc style
ACPI: sysfs: Fix path of module parameters in comments
A fairly unremarkable collection of fixes that came in over the merge
window, plus a new device ID for the DesignWare controller in the
StarFive JHB100 SoC. There's a couple of core fixes included, one
avoiding freeing an empty resource in error handling cases and another
which fixes a NULL dereference which could be triggered by using an
abnormal device registration flow like driver_override.
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Merge tag 'spi-fix-v7.2-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A fairly unremarkable collection of fixes that came in over the
merge window, plus a new device ID for the DesignWare controller
in the StarFive JHB100 SoC.
There's a couple of core fixes included, one avoiding freeing an
empty resource in error handling cases and another which fixes a
NULL dereference which could be triggered by using an abnormal
device registration flow like driver_override"
* tag 'spi-fix-v7.2-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: imx: reconfigure for PIO when DMA cannot be started
spi: dw: Add support for snps,dwc-ssi-2.00a
spi: dt-bindings: snps,dw-apb-ssi: Add starfive,jhb100-spi
spi: rpc-if: Use correct device for hardware reinitialization on resume
spi: acpi: Free resource list at appropriate time
spi: dw: fix wrong BAUDR setting after resume
spi: uniphier: Fix completion initialization order before devm_request_irq()
spi: Add NULL check for spi_get_device_id() in spi_get_device_match_data()
A couple of unremarkable driver specific fixes that came in during the
merge window.
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Merge tag 'regulator-fix-v7.2-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"A couple of unremarkable driver specific fixes that came in during the
merge window"
* tag 'regulator-fix-v7.2-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: da9121: Use subvariant ids in the I2C table
regulator: pca9450: Correct default t_off_deb for PCA9451A/PCA9452
