The dev_err_probe() doesn't do anything when error is '-ENOMEM'.
Therefore, remove the useless call to dev_err_probe(), and just
return the value instead.
Signed-off-by: Xichao Zhao <zhao.xichao@vivo.com>
Reviewed-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Message-ID: <20250819112654.588527-1-zhao.xichao@vivo.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
If a defer probe happens for the cpu device, the return value for
cpu_pdev "ret = -EINVAL" breaks defer probe. As the cpus->dai_name
can be replaced by cpus->of_node, to simplify the code, remove related
code for cpu_pdev.
Fixes: 6a5f850aa8 ("ASoC: fsl: Add imx-hdmi machine driver")
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Message-ID: <20250820031641.2158261-1-shengjiu.wang@nxp.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
In the current design, the `pm8008_regulator_get_voltage_sel()` callback
can return a negative value if the raw voltage value is read as 0 uV from
the PMIC HW register. This can cause the probe to fail when the
`machine_constraints_voltage()` check is called during the regulator
registration flow.
Fix this by using the helper `regulator_map_voltage_linear_range()` to
convert the raw value to a voltage selector inside the mentioned get
voltage selector function. This ensures that the value returned is always
within the defined range.
Signed-off-by: Kamal Wadhwa <kamal.wadhwa@oss.qualcomm.com>
Message-ID: <20250823-pm8008-negitive-selector-v1-1-52b026a4b5e8@quicinc.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
snd_soc_lookup_component_nolocked() is very complex today.
Let's tidyup the code.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Message-ID: <87cy8sysuy.wl-kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
soc-generic-dmaengine-pcm.c uses same dev for both CPU and Platform.
In such case, CPU component driver might not have driver->name, then
snd_soc_lookup_component_nolocked() will be NULL pointer access error.
Care NULL driver name.
Call trace:
strcmp from snd_soc_lookup_component_nolocked+0x64/0xa4
snd_soc_lookup_component_nolocked from snd_soc_unregister_component_by_driver+0x2c/0x44
snd_soc_unregister_component_by_driver from snd_dmaengine_pcm_unregister+0x28/0x64
snd_dmaengine_pcm_unregister from devres_release_all+0x98/0xfc
devres_release_all from device_unbind_cleanup+0xc/0x60
device_unbind_cleanup from really_probe+0x220/0x2c8
really_probe from __driver_probe_device+0x88/0x1a0
__driver_probe_device from driver_probe_device+0x30/0x110
driver_probe_device from __driver_attach+0x90/0x178
__driver_attach from bus_for_each_dev+0x7c/0xcc
bus_for_each_dev from bus_add_driver+0xcc/0x1ec
bus_add_driver from driver_register+0x80/0x11c
driver_register from do_one_initcall+0x58/0x23c
do_one_initcall from kernel_init_freeable+0x198/0x1f4
kernel_init_freeable from kernel_init+0x1c/0x12c
kernel_init from ret_from_fork+0x14/0x28
Fixes: 144d6dfc74 ("ASoC: soc-core: merge snd_soc_unregister_component() and snd_soc_unregister_component_by_driver()")
Reported-by: J. Neuschäfer <j.ne@posteo.net>
Closes: https://lore.kernel.org/r/aJb311bMDc9x-dpW@probook
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reported-by: Ondřej Jirman <megi@xff.cz>
Closes: https://lore.kernel.org/r/arxpwzu6nzgjxvsndct65ww2wz4aezb5gjdzlgr24gfx7xvyih@natjg6dg2pj6
Tested-by: J. Neuschäfer <j.ne@posteo.net>
Message-ID: <87ect8ysv8.wl-kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Check for IORING_CQE_F_32 as well, not just if the ring was setup with
IORING_SETUP_CQE32 to only support big CQEs.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Ensure that the CQ ring iteration handles differently sized CQEs, not
just a fixed 16b or 32b size per ring. These CQEs aren't possible just
yet, but prepare the fdinfo CQ ring dumping for handling them.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This adds the CQE flags related to supporting a mixed CQ ring mode, where
both normal (16b) and big (32b) CQEs may be posted.
No functional changes in this patch.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
io_uring_cmd_prep() checks that REQ_F_BUFFER_SELECT is set in the
io_kiocb's flags iff IORING_URING_CMD_MULTISHOT is set in the SQE's
uring_cmd_flags. Consolidate the IORING_URING_CMD_MULTISHOT and
!IORING_URING_CMD_MULTISHOT branches into a single check that the
IORING_URING_CMD_MULTISHOT flag matches the REQ_F_BUFFER_SELECT flag.
Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250821163308.977915-4-csander@purestorage.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
io_uring_cmd_prep() currently has two checks for whether
IORING_URING_CMD_FIXED and IORING_URING_CMD_MULTISHOT are both set in
uring_cmd_flags. Remove the second check.
Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250821163308.977915-3-csander@purestorage.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Add UAPI flag IORING_URING_CMD_MULTISHOT for supporting multishot
uring_cmd operations with provided buffer.
This enables drivers to post multiple completion events from a single
uring_cmd submission, which is useful for:
- Notifying userspace of device events (e.g., interrupt handling)
- Supporting devices with multiple event sources (e.g., multi-queue devices)
- Avoiding the need for device poll() support when events originate
from multiple sources device-wide
The implementation adds two new APIs:
- io_uring_cmd_select_buffer(): selects a buffer from the provided
buffer group for multishot uring_cmd
- io_uring_mshot_cmd_post_cqe(): posts a CQE after event data is
pushed to the provided buffer
Multishot uring_cmd must be used with buffer select (IOSQE_BUFFER_SELECT)
and is mutually exclusive with IORING_URING_CMD_FIXED for now.
The ublk driver will be the first user of this functionality:
https://github.com/ming1/linux/commits/ublk-devel/
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250821040210.1152145-3-ming.lei@redhat.com
[axboe: fold in fix for !CONFIG_IO_URING]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Currently the buffer list is stored in struct io_kiocb. The buffer list
can be of two types:
1) Classic/legacy buffer list. These don't need to get referenced after
a buffer pick, and hence storing them in struct io_kiocb is perfectly
fine.
2) Ring provided buffer lists. These DO need to be referenced after the
initial buffer pick, as they need to get consumed later on. This can
be either just incrementing the head of the ring, or it can be
consuming parts of a buffer if incremental buffer consumptions has
been configured.
For case 2, io_uring needs to be careful not to access the buffer list
after the initial pick-and-execute context. The core does recycling of
these, but it's easy to make a mistake, because it's stored in the
io_kiocb which does persist across multiple execution contexts. Either
because it's a multishot request, or simply because it needed some kind
of async trigger (eg poll) for retry purposes.
Add a struct io_buffer_list to struct io_br_sel, which is always on
stack for the various users of it. This prevents the buffer list from
leaking outside of that execution context, and additionally it enables
kbuf to not even pass back the struct io_buffer_list if the given
context isn't appropriately locked already.
This doesn't fix any bugs, it's simply a defensive measure to prevent
any issues with reuse of a buffer list.
Link: https://lore.kernel.org/r/20250821020750.598432-12-axboe@kernel.dk
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Currently a pointer is passed in to the 'ret' in the send mshot handler,
but since we already have a value field in io_br_sel, just use that.
This is also in preparation for needing to pass in struct io_br_sel
to io_send_finish() anyway.
Link: https://lore.kernel.org/r/20250821020750.598432-11-axboe@kernel.dk
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Currently a pointer is passed in to the 'ret' in the receive handlers,
but since we already have a value field in io_br_sel, just use that.
This is also in preparation for needing to pass in struct io_br_sel
to io_recv_finish() anyway.
Link: https://lore.kernel.org/r/20250821020750.598432-10-axboe@kernel.dk
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The mshot side of reads already does this, but the regular read path
does not. This leads to needing recycling checks sprinkled in various
spots in the "go async" path, like arming poll. In preparation for
getting rid of those, ensure that read recycles appropriately.
Link: https://lore.kernel.org/r/20250821020750.598432-8-axboe@kernel.dk
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Rather than return addresses directly from buffer selection, add a
struct around it. No functional changes in this patch, it's in
preparation for storing more buffer related information locally, rather
than in struct io_kiocb.
Link: https://lore.kernel.org/r/20250821020750.598432-7-axboe@kernel.dk
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Rather than have this implied being in the io_kiocb, pass it in directly
so it's immediately obvious where these users of ->buf_list are coming
from.
Link: https://lore.kernel.org/r/20250821020750.598432-6-axboe@kernel.dk
Signed-off-by: Jens Axboe <axboe@kernel.dk>
A previous commit used io_net_kbuf_recyle() for any network helper that
did IO and needed partial retry. However, that's only needed if the
opcode does buffer selection, which isnt support for sendzc, sendmsg_zc,
or sendmsg. Just remove them - they don't do any harm, but it is a bit
confusing when reading the code.
Link: https://lore.kernel.org/r/20250821020750.598432-4-axboe@kernel.dk
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Picking multiple buffers always requires the ring lock to be held across
the operation, so there's no need to pass in the issue_flags to
io_put_kbufs(). On the single buffer side, if the initial picking of a
ring buffer was unlocked, then it will have been committed already. For
legacy buffers, no locking is required, as they will simply be freed.
Link: https://lore.kernel.org/r/20250821020750.598432-3-axboe@kernel.dk
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Poison various request fields on free. __io_req_caches_free() is a slow
path, so can be done unconditionally, but gate it on kasan for
io_req_add_to_cache(). Note that some fields are logically retained
between cache allocations and can't be poisoned in
io_req_add_to_cache().
Ideally, it'd be replaced with KASAN'ed caches, but that can't be
enabled because of some synchronisation nuances.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/7a78e8a7f5be434313c400650b862e36c211b312.1755459452.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Add a device tree node for the IMG BXM-4-64 GPU present in the T-HEAD
TH1520 SoC used by the Lichee Pi 4A board. This node enables support for
the GPU using the drm/imagination driver.
By adding this node, the kernel can recognize and initialize the GPU,
providing graphics acceleration capabilities on the Lichee Pi 4A and
other boards based on the TH1520 SoC.
Add fixed clock gpu_mem_clk, as the MEM clock on the T-HEAD SoC can't be
controlled programatically.
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Drew Fustini <fustini@kernel.org>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Acked-by: Matt Coster <matt.coster@imgtec.com>
Signed-off-by: Michal Wilczynski <m.wilczynski@samsung.com>
Signed-off-by: Drew Fustini <fustini@kernel.org>
vectors conversion
- Filter out the invalid machine reset reason value -1 when running as a guest
as in such cases the reason why the machine was rebooted does not make
a whole lot of sense
- Init the resource control machinery on Hygon hw, also in order to avoid
a division by 0 in addition to actually enabling the feature on hw which
supports it
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Merge tag 'x86_urgent_for_v6.17_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Fix the GDS mitigation detection on some machines after the recent
attack vectors conversion
- Filter out the invalid machine reset reason value -1 when running as
a guest as in such cases the reason why the machine was rebooted does
not make a whole lot of sense
- Init the resource control machinery on Hygon hw in order to avoid a
division by zero and to actually enable the feature on hw which
supports it
* tag 'x86_urgent_for_v6.17_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/bugs: Fix GDS mitigation selecting when mitigation is off
x86/CPU/AMD: Ignore invalid reset reason value
x86/cpu/hygon: Add missing resctrl_cpu_detect() in bsp_init helper
This includes a fix part of the KSPP (Kernel Self Protection Project) to replace
the deprecated and unsafe strcpy() calls in the kernel parameter string handler
and sysfs parameters for built-in modules. Single commit, no functional changes.
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Merge tag 'modules-6.17-rc3.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux
Pull modules fix from Daniel Gomez:
"This includes a fix part of the KSPP (Kernel Self Protection Project)
to replace the deprecated and unsafe strcpy() calls in the kernel
parameter string handler and sysfs parameters for built-in modules.
Single commit, no functional changes"
* tag 'modules-6.17-rc3.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux:
params: Replace deprecated strcpy() with strscpy() and memcpy()
Given we do not have tests that rely on it anymore, remove
`allocator_test`, which simplifies the complexity of the build.
In particular, it avoids potential issues with `rusttest`, such as the
one fixed at [1], where a public function was added to `Kmalloc` and
used elsewhere, but it was not added to `Cmalloc`; or trivial issues
like a missing import [2] due to not many people testing that target.
The only downside is that we cannot use it in the `macros`' crate
examples anymore, but we did not feel a need for that so far, and anyway
we could support that by running those within the kernel too, which we
may do regardless.
Link: https://lore.kernel.org/rust-for-linux/20250816204215.2719559-1-ojeda@kernel.org/ [1]
Link: https://lore.kernel.org/rust-for-linux/20250816210214.2729269-1-ojeda@kernel.org/ [2]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Link: https://lore.kernel.org/r/20250816211900.2731720-1-ojeda@kernel.org
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Since commit 028df914e5 ("rust: str: convert `rusttest` tests into
KUnit"), we do not have anymore host `#[test]`s that run in the host.
Moreover, we do not plan to add any new ones -- tests should generally
run within KUnit, since there they are built the same way the kernel
does. While we may want to have some way to define tests that can also
be run outside the kernel, we still want to test within the kernel too
[1], and thus would likely use a custom syntax anyway to define them.
Thus simplify the `rusttest` target by removing support for host
`#[test]`s for the `kernel` crate.
This still maintains the support for the `macros` crate, even though we
do not have any such tests there.
Link: https://lore.kernel.org/rust-for-linux/CABVgOS=AKHSfifp0S68K3jgNZAkALBr=7iFb=niryG5WDxjSrg@mail.gmail.com/ [1]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Reviewed-by: Danilo Krummrich <dakr@kernel.org>
Reviewed-by: David Gow <davidgow@google.com>
Link: https://lore.kernel.org/r/20250726180750.2735836-1-ojeda@kernel.org
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
devm_request_threaded_irq() and devm_request_any_context_irq() currently
don't print any error message when interrupt registration fails.
This forces each driver to implement redundant error logging - over 2,000
lines of error messages exist across drivers. Additionally, when
upper-layer functions propagate these errors without logging, critical
debugging information is lost.
Add devm_request_result() helper to unify error reporting via dev_err_probe(),
Use it in devm_request_threaded_irq() and devm_request_any_context_irq()
printing device name, IRQ number, handler functions, and error code on failure
automatically.
Co-developed-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Pan Chuang <panchuang@vivo.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250805092922.135500-2-panchuang@vivo.com
In gicv5_irs_of_init_affinity() a WARN_ON() is triggered if:
1) a phandle in the "cpus" property does not correspond to a valid OF
node
2 a CPU logical id does not exist for a given OF cpu_node
#1 is a firmware bug and should be reported as such but does not warrant a
WARN_ON() backtrace.
#2 is not necessarily an error condition (eg a kernel can be booted with
nr_cpus=X limiting the number of cores artificially) and therefore there
is no reason to clutter the kernel log with WARN_ON() output when the
condition is hit.
Rework the IRS affinity parsing code to remove undue WARN_ON()s thus
making it less noisy.
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250814094138.1611017-1-lpieralisi@kernel.org
The eiointc interrupt controller supports 256 interrupt vectors at most,
and the interrupt handler gets the interrupt status from the base register
group EIOINTC_REG_ISR at the interrupt specific offset.
It needs to read the register group EIOINTC_REG_ISR four times to get all
256 interrupt vectors status.
Eiointc registers including EIOINTC_REG_ISR are software emulated for
VMs, so there will be VM-exits when accessing eiointc registers.
Introduce a method to make the eiointc interrupt controller route
to different CPU interrupt pins for every 64 interrupt vectors.
The interrupt handler can then reduce the read to one specific
EIOINTC_REG_ISR register instead of all four, which reduces VM exits.
[ tglx: Massage change log ]
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250804081946.1456573-3-maobibo@loongson.cn
Interrupt controller eiointc routes interrupts to CPU interface IP0 - IP7.
It is currently hard-coded that eiointc routes interrupts to the CPU
starting from IP1, but it should base that decision on the parent
interrupt, which is provided by ACPI or DTS.
Retrieve the parent's hardware interrupt number and store it in the
descriptor of the eointc instance, so that the routing function can utilize
it for the correct route settings.
[ tglx: Massaged change log ]
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250804081946.1456573-2-maobibo@loongson.cn
The NPU on the Orange Pi 5/5B uses the same regulator for both the
sram-supply and the npu's supply. Enable all the NPU bits. Also add
the regulator as a domain-supply to the pd_npu power domain.
Signed-off-by: Jimmy Hon <honyuenkwun@gmail.com>
Link: https://lore.kernel.org/r/20250812025755.2078-2-honyuenkwun@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Add device tree nodes to enable Bluetooth in the Ampak AP6275P module
found on Rockchip RK3576 EVB1 and connected over a UART link.
Note that this doesn't enable the out-of-band PCM connection. It's
routed to SAI2 M0 pins in case anyone wishes to add it.
Tested-by: Pavel Zhovner <pavel@flipperdevices.com>
Signed-off-by: Alexey Charkov <alchark@gmail.com>
Link: https://lore.kernel.org/r/20250813-evb1-rtcwifibt-v1-3-d13c83422971@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Add device tree nodes to enable the onboard Ampak AP6275P WiFi chip
connected over a PCIe link on Rockchip RK3576 EVB1.
It takes an external 32 kHz clock from the RTC chip and requires the
WIFI_REG_ON signal to be enabled before the bus is enumerated to
initialize properly.
Tested-by: Pavel Zhovner <pavel@flipperdevices.com>
Signed-off-by: Alexey Charkov <alchark@gmail.com>
Link: https://lore.kernel.org/r/20250813-evb1-rtcwifibt-v1-2-d13c83422971@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Add the I2C connected RTC chip to the Rockchip RK3576 EVB1 board.
Apart from the realtime clock functionality, it also provides a 32 kHz
clock source for the onboard WiFi chip.
Tested-by: Pavel Zhovner <pavel@flipperdevices.com>
Signed-off-by: Alexey Charkov <alchark@gmail.com>
Link: https://lore.kernel.org/r/20250813-evb1-rtcwifibt-v1-1-d13c83422971@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
GPIO_ACTIVE_x flags are not correct in the context of interrupt flags.
These are simple defines so they could be used in DTS but they will not
have the same meaning: GPIO_ACTIVE_HIGH = 0 = IRQ_TYPE_NONE.
Correct the interrupt flags, assuming the author of the code wanted same
logical behavior behind the name "ACTIVE_xxx", this is:
ACTIVE_HIGH => IRQ_TYPE_LEVEL_HIGH
Fixes: 7b4a8097e5 ("arm64: dts: rockchip: Add Neardi LBA3368 board")
Cc: stable+noautosel@kernel.org # Needs testing, because actual level is just a guess
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Tested-By: Alex Bee <knaerzche@gmail.com>
Link: https://lore.kernel.org/r/20250818090445.28112-4-krzysztof.kozlowski@linaro.org
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
The HINLINK H66K is a development board with the
Rockchip RK3568 SoC. It has the following features:
- 2/4GB LPDDR4
- 1x HDMI Type A
- 3.5mm jack with mic
- 1x PCIE 2.0 WiFi slot
- 1x USB 3.0, 2x USB 2.0
- 2x 2.5GbE RTL8125B Ethernet
- MicroSD card slot / eMMC 32GB
Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
Link: https://lore.kernel.org/r/20250818100009.170202-5-amadeus@jmu.edu.cn
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
The HINLINK H68K is a development board with the
Rockchip RK3568 SoC. It has the following features:
- 2/4GB LPDDR4
- 1x HDMI Type A
- 3.5mm jack with mic
- 1x PCIE 2.0 WiFi slot
- 1x USB 3.0, 2x USB 2.0
- 2x 1GbE RTL8211F Ethernet
- 2x 2.5GbE RTL8125B Ethernet
- MicroSD card slot / eMMC 32GB
Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
Link: https://lore.kernel.org/r/20250818100009.170202-4-amadeus@jmu.edu.cn
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
