Christoph Hellwig <hch@lst.de> says:
Hi all,
while trying to add XFS support for passing through metadata I ran
into a few issues with how that support is wire up for the current
block device use cases, and this fixes it.
* patches from https://lore.kernel.org/20250819082517.2038819-1-hch@lst.de:
block: don't silently ignore metadata for sync read/write
fs: add a FMODE_ flag to indicate IOCB_HAS_METADATA availability
Link: https://lore.kernel.org/20250819082517.2038819-1-hch@lst.de
Signed-off-by: Christian Brauner <brauner@kernel.org>
The block fops don't try to handle metadata for synchronous requests,
probably because the completion handler looks at dio->iocb which is not
valid for synchronous requests.
But silently ignoring metadata (or warning in case of
__blkdev_direct_IO_simple) is a really bad idea as that can cause
silent data corruption if a user ever shows up.
Instead simply handle metadata for synchronous requests as the completion
handler can simply check for bio_integrity() as the block layer default
integrity will already be freed at this point, and thus bio_integrity()
will only return true for user mapped integrity.
Fixes: 3d8b5a22d4 ("block: add support to pass user meta buffer")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/20250819082517.2038819-3-hch@lst.de
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Currently the kernel will happily route io_uring requests with metadata
to file operations that don't support it. Add a FMODE_ flag to guard
that.
Fixes: 4de2ce04c8 ("fs: introduce IOCB_HAS_METADATA for metadata")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/20250819082517.2038819-2-hch@lst.de
Signed-off-by: Christian Brauner <brauner@kernel.org>
Usual mixed bunch of ancient issues and relatively new ones.
adi,ad7124
- Fix channel lookup to use chan->address for indexing array.
adi,ad7173
- Stop accidentally enabling more configs than supported at one time.
adi,ad7380
- Fill in missing max_conversion_rate_hz for adaq4381-4
ams,as73211
- Fix uninitialized holes in scan data exposed to userspace.
bosch,bmp280
- Check for error when requesting optional GPIO rather than simply assuming
success or a NULL return when no GPIO provided.
invensense,icm42600
- Change error code returned to -EBUSY on a temperature read with neither
accelerometer nor gyroscope in use. Reduces chance of misinterpretation
by userspace.
kionix,sca3300
- Fix uninitialized holes in scan data exposed to userspace.
maxim,thermocouple
- Use a DMA-safe buffer for spi_read().
renesas,isl29501
- Fix ordering issue for big endian systems
renesas,rsg2l
- Fix an underflow issue around suspend/resume.
- Make sure driver data is in place before enabling runtime PM that uses
it.
rohm,bd79124
- Add missing GPIOLIB dependency. May rework in future to allow this to be
optional in future but for now this is the least invasive build fix.
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Merge tag 'iio-fixes-for-6.17a' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-linus
Jonathan writes:
IIO: 1st set of fixes for 6.17
Usual mixed bunch of ancient issues and relatively new ones.
adi,ad7124
- Fix channel lookup to use chan->address for indexing array.
adi,ad7173
- Stop accidentally enabling more configs than supported at one time.
adi,ad7380
- Fill in missing max_conversion_rate_hz for adaq4381-4
ams,as73211
- Fix uninitialized holes in scan data exposed to userspace.
bosch,bmp280
- Check for error when requesting optional GPIO rather than simply assuming
success or a NULL return when no GPIO provided.
invensense,icm42600
- Change error code returned to -EBUSY on a temperature read with neither
accelerometer nor gyroscope in use. Reduces chance of misinterpretation
by userspace.
kionix,sca3300
- Fix uninitialized holes in scan data exposed to userspace.
maxim,thermocouple
- Use a DMA-safe buffer for spi_read().
renesas,isl29501
- Fix ordering issue for big endian systems
renesas,rsg2l
- Fix an underflow issue around suspend/resume.
- Make sure driver data is in place before enabling runtime PM that uses
it.
rohm,bd79124
- Add missing GPIOLIB dependency. May rework in future to allow this to be
optional in future but for now this is the least invasive build fix.
* tag 'iio-fixes-for-6.17a' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
iio: pressure: bmp280: Use IS_ERR() in bmp280_common_probe()
iio: light: as73211: Ensure buffer holes are zeroed
iio: adc: rzg2l_adc: Set driver data before enabling runtime PM
iio: adc: rzg2l: Cleanup suspend/resume path
iio: adc: ad7380: fix missing max_conversion_rate_hz on adaq4381-4
iio: adc: bd79124: Add GPIOLIB dependency
iio: imu: inv_icm42600: change invalid data error to -EBUSY
iio: adc: ad7124: fix channel lookup in syscalib functions
iio: temperature: maxim_thermocouple: use DMA-safe buffer for spi_read()
iio: adc: ad7173: prevent scan if too many setups requested
iio: proximity: isl29501: fix buffered read on big-endian systems
iio: accel: sca3300: fix uninitialized iio scan data
Add support for TI K3 AM62D2 SoC to read speed and revision values
from hardware and pass to OPP layer. AM62D shares the same configuations
as AM62A so use existing am62a7_soc_data.
Signed-off-by: Paresh Bhagat <p-bhagat@ti.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Add ti,am62d2 SoC to the blacklist as the ti-cpufreq driver will handle
creating the cpufreq-dt platform device after it completes and ensure
it is not created twice.
Signed-off-by: Paresh Bhagat <p-bhagat@ti.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Fix shellcheck warning such as
"Double quote to prevent globbing and word splitting." and
Use $(...) notation instead of legacy backticks `...`.
Tested-by: Venkat Rao Bagalkote <venkat88@linux.ibm.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20250518044107.39928-4-maddy@linux.ibm.com
When compiling for pseries or powernv defconfig with "make C=1",
these warning were reported bu sparse tool in powerpc/kernel/kvm.c
arch/powerpc/kernel/kvm.c:635:9: warning: switch with no cases
arch/powerpc/kernel/kvm.c:646:9: warning: switch with no cases
Currently #ifdef were added after the switch case which are specific
for BOOKE and PPC_BOOK3S_32. These are not enabled in pseries/powernv
defconfig. Fix it by moving the #ifdef before switch(){}
Fixes: cbe487fac7 ("KVM: PPC: Add mtsrin PV code")
Tested-by: Venkat Rao Bagalkote <venkat88@linux.ibm.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20250518044107.39928-1-maddy@linux.ibm.com
There are two CONFIG_POWERPC64_CPU entries in the "CPU selection"
choice block.
I guess the intent is to display a different prompt depending on
CPU_LITTLE_ENDIAN: "Generic (POWER5 and PowerPC 970 and above)" for big
endian, and "Generic (POWER8 and above)" for little endian.
I stumbled on this tricky use case, and worked around it on Kconfig with
commit 4d46b5b623 ("kconfig: fix infinite loop in sym_calc_choice()").
However, I doubt that supporting multiple entries with the same symbol
in a choice block is worth the complexity - this is the only such case
in the kernel tree.
This commit merges the two entries. Once this cleanup is accepted in
the powerpc subsystem, I will proceed to refactor the Kconfig parser.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20250607102005.1965409-1-masahiroy@kernel.org
The extra-y syntax is planned for deprecation because it is similar
to always-y.
When building the boot wrapper, always-y and extra-y are equivalent.
Use always-y instead.
In arch/powerpc/kernel/Makefile, I added ifdef KBUILD_BUILTIN to
keep the current behavior: prom_init_check is skipped when building
only modular objects.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20250602163302.478765-1-masahiroy@kernel.org
Until commit 6c85f52b10 ("kvm/ppc: IRQ disabling cleanup"),
kvmppc_prepare_to_enter() was called with interrupts already disabled by
the caller, which was documented in the comment above the function.
Post-cleanup, the function is now called with interrupts enabled, and
disables interrupts itself.
Fix the comment to reflect the current behaviour.
Fixes: 6c85f52b10 ("kvm/ppc: IRQ disabling cleanup")
Signed-off-by: Andrew Donnellan <ajd@linux.ibm.com>
Reviewed-by: Amit Machhiwal <amachhiw@linux.ibm.com>
Reviewed-by: Gautam Menghani <gautam@linux.ibm.com>
Reviewed-by: Shrikanth Hegde <sshegde@linux.ibm.com>
[Fixed the double colon in Reviewed-by line]
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20250806055607.17081-1-ajd@linux.ibm.com
This driver implements both the determine_rate() and round_rate() clk
ops, and the round_rate() clk ops is deprecated. When both are defined,
clk_core_determine_round_nolock() from the clk core will only use the
determine_rate() clk ops, so let's remove the round_rate() clk ops since
it's unused.
Signed-off-by: Brian Masney <bmasney@redhat.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250811-clk-for-stephen-round-rate-v1-93-b3bf97b038dc@redhat.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
The round_rate() clk ops is deprecated, so migrate this driver from
round_rate() to determine_rate() using the Coccinelle semantic patch
on the cover letter of this series.
Signed-off-by: Brian Masney <bmasney@redhat.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250811-clk-for-stephen-round-rate-v1-92-b3bf97b038dc@redhat.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Use tabs instead of spaces in the CRU clock descriptions to match the
formatting used in the rest of the clock definitions.
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250806092129.621194-5-claudiu.beznea.uj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Add MSTOP configuration for all the module clocks on the RZ/G2UL
based SoCs (RZ/G2UL, RZ/Five).
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250806092129.621194-4-claudiu.beznea.uj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Add MSTOP configuration for all the module clocks on the RZ/G2L
based SoCs (RZ/G2L, RZ/G2LC, RZ/V2L).
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250806092129.621194-3-claudiu.beznea.uj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
The GPIO module also supports MSTOP. Add it in the description of the gpio
clock.
Fixes: c496959527 ("clk: renesas: r9a08g045: Drop power domain instantiation")
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250806092129.621194-2-claudiu.beznea.uj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
USB_CLK Clock and Pin Control DT binding definitions for the Renesas
RZ/T2H (R9A09G077) and RZ/N2H (R9A09G087) SoCs, shared by driver and DT
source files.
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Merge tag 'renesas-r9a09g077-dt-binding-defs-tag3' into renesas-clk-for-v6.18
Renesas RZ/T2H and RZ/N2H USB_CLK and Pin Control DT Binding Definitions
USB_CLK Clock and Pin Control DT binding definitions for the Renesas
RZ/T2H (R9A09G077) and RZ/N2H (R9A09G087) SoCs, shared by driver and DT
source files.
Add clocks and resets for the PCIe IP available on the Renesas RZ/G3S
SoC. The clkl1pm clock is required for PCIe link power management (PM)
control and should be enabled based on the state of the CLKREQ# pin.
Therefore, mark it as a no_pm clock to allow the PCIe driver to manage
it during link PM transitions.
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250704161410.3931884-3-claudiu.beznea.uj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
The Retronix R-Car V4H Sparrow Hawk EVTB1 uses 1V8 IO voltage supply
for VDDQ18_25_AVB power rail. Update the AVB0 pinmux to reflect the
change in IO voltage. Since the VDDQ18_25_AVB power rail is shared,
all four AVB0, AVB1, AVB2, TSN0 PFC/GPIO POC[7..4] registers have to
be configured the same way. As the EVTA1 boards are from a limited run
and generally not available, update the DT to make it compatible with
EVTB1 IO voltage settings.
Fixes: a719915e76 ("arm64: dts: renesas: r8a779g3: Add Retronix R-Car V4H Sparrow Hawk board support")
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250806192821.133302-1-marek.vasut+renesas@mailbox.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Invert the polarity of microSD voltage selector on Retronix R-Car V4H
Sparrow Hawk board. The voltage selector was not populated on prototype
EVTA1 boards, and is implemented slightly different on EVTB1 boards. As
the EVTA1 boards are from a limited run and generally not available,
update the DT to make it compatible with EVTB1 microSD voltage selector.
Fixes: a719915e76 ("arm64: dts: renesas: r8a779g3: Add Retronix R-Car V4H Sparrow Hawk board support")
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250727235905.290427-1-marek.vasut+renesas@mailbox.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
The Renesas RZ/N2H (R9A09G087) SoC shares a similar pin controller
architecture with the RZ/T2H (R9A09G077) SoC, differing primarily in the
number of supported pins: 576 on RZ/N2H versus 729 on RZ/T2H.
Add the necessary pin configuration data and compatible string to enable
support for the RZ/N2H SoC in the RZ/T2H pinctrl driver.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250808133017.2053637-4-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
The RZ/G3E system controller has various registers that control or report
some properties specific to individual IPs. The regmap is registered as a
syscon device to allow these IP drivers to access the registers through the
regmap API.
As other RZ SoCs might have custom read/write callbacks or max-offsets,
register a custom regmap configuration.
[claudiu.beznea:
- do not check the match->data validity in rz_sysc_probe() as it is
always valid
- dinamically allocate regmap_cfg]
Signed-off-by: John Madieu <john.madieu.xa@bp.renesas.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Tested-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com> # on RZ/G3S
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250818162859.9661-2-john.madieu.xa@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
During the conversion to unify the calibration data management, the
reference to tasdevice_priv was wrongly set to h->hda_priv instead of
h->priv. This resulted in memory corruption and crashes eventually.
Unfortunately it's a void pointer, hence the compiler couldn't know
that it's wrong.
Fixes: 4fe2385134 ("ALSA: hda/tas2781: Move and unified the calibrated-data getting function for SPI and I2C into the tas2781_hda lib")
Link: https://bugzilla.suse.com/show_bug.cgi?id=1248270
Cc: <stable@vger.kernel.org>
Link: https://patch.msgid.link/20250820051902.4523-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The smatch tool reported a potential null pointer dereference in
tascam_midi_in_urb_complete(). The 'tascam' variable, derived from
'urb->context', was checked for nullity in one place, but dereferenced
without a check in several other places.
This patch fixes the issue by adding a null check at the beginning of
the function. If 'tascam' is null, the function now safely exits.
This prevents any potential crashes from null pointer dereferences.
It also fixes a latent bug where 'usb_put_urb()' could
be called twice for the same URB on submission failure, which would
lead to a use-after-free error.
Fixes: 67afec157f ("ALSA: usb-audio: us144mkii: Add MIDI support and mixer controls")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/202508192109.lcMrINK1-lkp@intel.com/
Signed-off-by: Šerif Rami <ramiserifpersia@gmail.com>
Link: https://patch.msgid.link/20250819185133.10464-1-ramiserifpersia@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Underrun on idle PSR workaround (Wa_16025596647) is supposed to be
applied only when pkg c latency > delayed vblank. Currently we are
applying it always when other criterias are met.
Fix this by adding new boolean flag which is supposed to be set when
calculating watermark levels and pkgc latency > delayed vblank is
detected. currently this scenario is blocked but might be added
later. Due to this add also TODO comment into
skl_max_wm_level_for_vblank.
Bspec: 74151
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Link: https://lore.kernel.org/r/20250519075223.443266-1-jouni.hogander@intel.com
The drm_gpusvm_for_each_notifier, drm_gpusvm_for_each_notifier_safe and
drm_gpusvm_for_each_range_safe macros are useful for locating notifiers
and ranges within a user-specified range. By making these macros public,
we enable broader access and utility for developers who need to leverage
them in their implementations.
v2 (Matthew Brost)
- drop inline __drm_gpusvm_range_find
- /s/notifier_iter_first/drm_gpusvm_notifier_find
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20250819162058.2777306-5-himal.prasad.ghimiray@intel.com
This ops is used to iterate over GPUVA's in the user-provided range
and split the existing sparse VMA's if the start or end of the input
range lies within it. The operations can create up to 2 REMAPS and 2 MAPs.
The primary use case is for drivers to assign attributes to GPU VAs in
the specified range without performing unmaps or merging mappings,
supporting fine-grained control over sparse va's.
Cc: Danilo Krummrich <dakr@kernel.org>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Boris Brezillon <bbrezillon@kernel.org>
Cc: <dri-devel@lists.freedesktop.org>
Signed-off-by: Himal Prasad Ghimiray<himal.prasad.ghimiray@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20250819162058.2777306-4-himal.prasad.ghimiray@intel.com
drm_gpuva_init() only has one internal user, and given we are about to
add new optional fields, it only add maintenance burden for no real
benefit, so let's kill the thing now.
Cc: Danilo Krummrich <dakr@kernel.org>
Cc: Rob Clark <robin.clark@oss.qualcomm.com>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: Rob Clark <robin.clark@oss.qualcomm.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20250819162058.2777306-3-himal.prasad.ghimiray@intel.com
We are about to pass more arguments to drm_gpuvm_sm_map[_ops_create](),
so, before we do that, let's pass arguments through a struct instead
of changing each call site every time a new optional argument is added.
Cc: Danilo Krummrich <dakr@kernel.org>
Cc: Brendan King <Brendan.King@imgtec.com>
Cc: Matt Coster <matt.coster@imgtec.com>
Cc: Boris Brezillon <bbrezillon@kernel.org>
Cc: Caterina Shablia <caterina.shablia@collabora.com>
Cc: Rob Clark <robin.clark@oss.qualcomm.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: <dri-devel@lists.freedesktop.org>
Co-developed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Rob Clark <robin.clark@oss.qualcomm.com>
Reviewed-by: Matt Coster <matt.coster@imgtec.com> # imagination/pvr_vm.c
Acked-by: Matt Coster <matt.coster@imgtec.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20250819162058.2777306-2-himal.prasad.ghimiray@intel.com
Update call sites in `opp.rs` to import ARef and
AlwaysRefCounted from sync::aref instead of types.
This aligns with the ongoing effort to move ARef and
AlwaysRefCounted to sync.
Suggested-by: Benno Lossin <lossin@kernel.org>
Link: https://github.com/Rust-for-Linux/linux/issues/1173
Signed-off-by: Shankari Anand <shankari.ak0208@gmail.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
The IS_ERR_OR_NULL check for priv->fdvfs is inappropriate, and should be
an IS_ERR check instead, as a NULL value here would propagate it to
PTR_ERR.
In practice, there is no problem here, as devm_of_iomap cannot return
NULL in any circumstance. However, it causes a Smatch static checker
warning.
Fix the warning by changing the check from IS_ERR_OR_NULL to IS_ERR.
Fixes: 32e0d669f3 ("cpufreq: mediatek-hw: Add support for MT8196")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/linux-pm/aKQubSEXH1TXQpnR@stanley.mountain/
Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Replace verbatim license text with a `SPDX-License-Identifier`.
The comment header mis-attributes this license to be "X11", but the
license text does not include the last line "Except as contained in this
notice, the name of the X Consortium shall not be used in advertising or
otherwise to promote the sale, use or other dealings in this Software
without prior written authorization from the X Consortium.". Therefore,
this license is actually equivalent to the SPDX "MIT" license (confirmed
by text diffing).
Cc: Lukasz Majewski <lukma@denx.de>
Signed-off-by: Bence Csókás <csokas.bence@prolan.hu>
Acked-by: Lukasz Majewski <lukma@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
There is a current sensing circuitry on the phyBOARD-Nash-i.MX93 capable
of measuring input current consumption of the phyCORE-i.MX93 SoM @ 3.3V.
Circuity consists of MAX4372 current-sense amplifier (50V/V) with two 70
mOhm shunts resistors in parallel configuration (effective R = 35 mOhm)
connected to the SoC internal 12-bit ADC channel #1 (Vref = 1.8V) via
voltage divider with ratio of 1/2. This results in a current scaling
factor of 0.502232142 mA/LSB.
Signed-off-by: Primoz Fiser <primoz.fiser@norik.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Add initial device tree support for the Ultratronik Ultra-MACH SBC
based on the NXP i.MX8M Plus SoC with 2GB LPDDR4.
The board features:
- 1 x USB 2.0 Host
- 1 x USB 2.0 via USB-C
- Debug UART + 1 x UART + 1 x USART
- SD card and eMMC support
- 2 x Ethernet (RJ45)
- HDMI
This initial DTS enables basic board support for booting via
SD card or eMMC.
Signed-off-by: Goran Rađenović <goran.radni@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The i.MX8MP-based Ultra-MACH SBC is supported by Ultratronik, and its
device tree has been added under arch/arm64/boot/dts/freescale/.
To ensure proper maintainer coverage and notification of relevant
changes, add the imx8mp-ultra-mach-sbc.dts file to the existing
ULTRATRONIK BOARD SUPPORT section.
This follows the established pattern already used for the STM32MP157C-
based Ultra-FLY SBC.
Signed-off-by: Goran Rađenović <goran.radni@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Document the Ultratronik Ultra-MACH SBC, based on the NXP i.MX8MP SoC.
This board is manufactured by Ultratronik GmbH and uses the compatible
string "ux,imx8mp-ultra-mach-sbc".
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Goran Rađenović <goran.radni@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Parthiban Veerasooran says:
====================
Fixes on the Microchip's LAN865x driver
This patch series includes two bug fixes for the LAN865x Ethernet MAC-PHY
driver:
1. Fix missing transmit queue restart on device reopen
This patch addresses an issue where the transmit queue is not restarted
when the network interface is brought back up after being taken down
(e.g., via ip or ifconfig). As a result, packet transmission hangs
after the first down/up cycle. The fix ensures netif_start_queue() is
explicitly called in lan865x_net_open() to properly restart the queue
on every reopen.
2. Fix missing configuration in the Microchip LAN865x driver for silicon
revisions B0 and B1, as documented in Microchip Application Note AN1760
(Rev F, June 2024). These revisions require the MAC to be configured for
timestamping at the end of the Start of Frame Delimiter (SFD) and the
Timer Increment register to be set to 40 ns, corresponding to a 25 MHz
internal clock.
Both patches address issues introduced with the initial driver support and
are marked with the appropriate Fixes: tag.
====================
Link: https://patch.msgid.link/20250818060514.52795-1-parthiban.veerasooran@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
