* [dm][regulator] update regulator
Replace the regulator framework spinlock with a mutex
because regulator operations may sleep.
Move always-on policy into the regulator core,
keep an initial enable reference for always-on supplies,
prevent the last disable from turning them off,
and let fixed/GPIO providers report and control their actual hardware state.
Signed-off-by: GuEe-GUI <2991707448@qq.com>
* [dm][regulator] add PWM regulator support
Signed-off-by: GuEe-GUI <2991707448@qq.com>
* style: format code with clang-format
* style: format complete changed files with clang-format
---------
Signed-off-by: GuEe-GUI <2991707448@qq.com>
1. Fixup the cooling control flow.
2. Replace the spinlock to mutex.
3. Fixup the PWM args for PWM-FAN.
4. Add GPIO-FAN
Signed-off-by: GuEe-GUI <2991707448@qq.com>
rt_data_queue_pop() holds the data queue spinlock while updating the ring
state, then calls rt_data_queue_len(). The length function tries to acquire
the same non-recursive spinlock again, causing an SMP deadlock when a pop
leaves the queue non-empty.
Add a private _data_queue_len_nolock() helper for callers which already hold
the queue lock. Keep the public rt_data_queue_len() protected by one spinlock
acquisition.
This does not change the public API, ABI, queue state transitions, low-water
mark wakeups, or event callback behavior.
Tested on a four-core Spacemit K1 with cyclic HDMI playback and by building the
SMP QEMU Virt64 RISC-V BSP with generic audio, Intel HDA and VirtIO Sound.
Signed-off-by: GuEe-GUI <2991707448@qq.com>
Add rt_bus_probe_device() to retry driver matching for a registered
but unbound device. Use it when an OFW-created platform device
is requested again, while preserving native-bus ownership
for I2C, SPI, and other non-platform devices.
Also instantiate eligible child platform devices after a parent node is registered.
Signed-off-by: GuEe-GUI <2991707448@qq.com>
sys_select() passed the raw user-space timeout pointer straight
through to select(), unlike readfds/writefds/exceptfds which are
all validated with lwp_user_accessable() and copied into kernel
memory first. A malicious or buggy user thread could pass a
timeout pointing at unmapped or otherwise invalid memory, which
select() would then dereference directly (timeout->tv_sec /
timeout->tv_usec) without any check, from kernel context.
Validate and copy it into a kernel-local struct timeval the same
way the fd_set arguments already are, before it reaches select().
Fixes#10298
Signed-off-by: yi chen <94xhn1@gmail.com>
Fill the mDNS domain name buffers with their array size instead of the size of the MDNS_DOMAIN_MAXLEN constant. This preserves the test intent of leaving different trailing bytes after equal names are encoded.
Generated-by: OpenAI Codex
Signed-off-by: Old-Ding <35417409+Old-Ding@users.noreply.github.com>
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The RT_USING_CPU_USAGE_TRACER print block was duplicated identically in
both the ARCH_CPU_STACK_GROWS_UPWARD and the normal branch of
list_thread(). Both branches only differ in the stack usage line (which
has no trailing newline), so move the single shared block after the
#endif of the stack-growth conditional. No functional change.
rt_pci_ep_set_msi() checked the set_msix callback before calling set_msi. That rejects endpoint controllers that implement MSI without MSI-X, and can call through a NULL set_msi pointer when only MSI-X is provided.
The same helper converts a requested MSI vector count into the log2 field passed to the controller. Stop after the first value large enough for the request so smaller requests are not widened by later loop iterations.
Generated-by: OpenAI Codex
Signed-off-by: Old-Ding <35417409+Old-Ding@users.noreply.github.com>
rt_pic_linear_irq() stores irq_nr as a count and assigns pic->pirqs to the first entry in that range. rt_pic_find_pirq() therefore must treat the upper bound as exclusive.
The inclusive check could return pic->pirqs[irq_nr] when irq equals irq_start + irq_nr, which is one entry past the allocated range.
Generated-by: OpenAI Codex
Signed-off-by: Old-Ding <35417409+Old-Ding@users.noreply.github.com>
Valid slew_rates indices are 0 through RT_ARRAY_SIZE(slew_rates) - 1.
The current check rejects only values greater than the table size,
allowing slew_idx == RT_ARRAY_SIZE(slew_rates) to index one element
past the table.
Generated-by: OpenAI Codex
Signed-off-by: Old-Ding <35417409+Old-Ding@users.noreply.github.com>
Move the command length checks before reading command buffers while parsing module, script, and LWP command names. This keeps commands without separators from reading one byte past the provided length.
Generated-by: OpenAI Codex
Signed-off-by: Old-Ding <35417409+Old-Ding@users.noreply.github.com>
_dac_control() checked the enabled callback before invoking disabled for RT_DAC_CMD_DISABLE. That can reject DAC drivers that provide a disable callback without enable, and can call through a NULL disabled callback when only enable is implemented.
Check the disabled callback in the disable command path so the guard matches the operation being dispatched.
Generated-by: OpenAI Codex
Signed-off-by: Old-Ding <35417409+Old-Ding@users.noreply.github.com>
The receive sequence filter maps incoming data-frame sequence numbers to zero-based frame offsets. RT_LINK_FRAMES_MAX is the maximum number of split frames, so valid offsets are 0 through RT_LINK_FRAMES_MAX - 1.
Reject offset == RT_LINK_FRAMES_MAX before frame handling instead of letting it reach long-frame assembly.
Generated-by: OpenAI Codex
Signed-off-by: Old-Ding <35417409+Old-Ding@users.noreply.github.com>
GUI
GuEe-GUI
angryproton
Bernard Xiong
yi chen
mnikapl954
CYFS
Old-Ding
Onlyou_tzZ
Cheng Mingming
与非熊
wdfk-prog