| /linux/Documentation/devicetree/bindings/power/supply/ |
| H A D | bq256xx.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Andrew Davis <afd@ti.com>
14 The bq256xx devices are a family of highly-integrated battery charge
15 management and system power management ICs for single cell Li-ion and Li-
19 - https://www.ti.com/lit/ds/symlink/bq25600.pdf
20 - https://www.ti.com/lit/ds/symlink/bq25601.pdf
21 - https://www.ti.com/lit/ds/symlink/bq25600d.pdf
22 - https://www.ti.com/lit/ds/symlink/bq25601d.pdf
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|
| H A D | battery.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <sre@kernel.org>
14 In smart batteries, these are typically stored in non-volatile memory
16 no appropriate non-volatile memory, or it is unprogrammed/incorrect.
27 Batteries must be referenced by chargers and/or fuel-gauges using a phandle.
28 The phandle's property should be named "monitored-battery".
32 const: simple-battery
34 device-chemistry:
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| /linux/Documentation/devicetree/bindings/iio/adc/ |
| H A D | adi,ad4695.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Michael Hennerich <Michael.Hennerich@analog.com>
11 - Nuno Sá <nuno.sa@analog.com>
14 A family of similar multi-channel analog to digital converters with SPI bus.
21 $ref: /schemas/spi/spi-peripheral-props.yaml#
26 - adi,ad4695
27 - adi,ad4696
28 - adi,ad4697
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|
| /linux/Documentation/process/ |
| H A D | maintainer-kvm-x86.rst | 1 .. SPDX-License-Identifier: GPL-2.0
7 --------
17 -----
21 -----
25 specific tree, ``github.com/kvm-x86/linux.git``.
27 Generally speaking, fixes for the current cycle are applied directly to the
29 KVM x86 tree. In the unlikely event that a fix for the current cycle is routed
39 using finer-grained topic branches is to make it easier to keep tabs on an area
40 of development, and to limit the collateral damage of human errors and/or buggy
41 commits, e.g. dropping the HEAD commit of a topic branch has no impact on other
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| /linux/drivers/net/ethernet/engleder/ |
| H A D | tsnep_tc.c | 1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (C) 2021 Gerhard Engleder <gerhard@engleder-embedded.com> */
9 #define TSNEP_MAX_GCL_NUM (TSNEP_GCL_COUNT - 1)
16 if (!qopt->cycle_time) in tsnep_validate_gcl()
17 return -ERANGE; in tsnep_validate_gcl()
18 if (qopt->num_entries > TSNEP_MAX_GCL_NUM) in tsnep_validate_gcl()
19 return -EINVAL; in tsnep_validate_gcl()
21 for (i = 0; i < qopt->num_entries; i++) { in tsnep_validate_gcl()
22 if (qopt->entries[i].command != TC_TAPRIO_CMD_SET_GATES) in tsnep_validate_gcl()
23 return -EINVAL; in tsnep_validate_gcl()
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| /linux/Documentation/devicetree/bindings/leds/ |
| H A D | common.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jacek Anaszewski <jacek.anaszewski@gmail.com>
11 - Pavel Machek <pavel@ucw.cz>
14 LED and flash LED devices provide the same basic functionality as current
18 Many LED devices expose more than one current output that can be connected
25 led-sources:
27 List of device current outputs the LED is connected to. The outputs are
30 $ref: /schemas/types.yaml#/definitions/uint32-array
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|
| /linux/include/soc/tegra/ |
| H A D | bpmp-abi.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (c) 2014-2022, NVIDIA CORPORATION. All rights reserved.
58 * message consists of a @ref mrq_request followed by a payload whose
63 * consists of a @ref mrq_response followed by a payload whose format
66 * A well-defined subset of the MRQ messages that the CPU sends to the
130 * -BPMP_EBADMSG and ignore the request.
144 …* | -------------------- | ------------------------------------ | --------------------------------…
223 * calculated by BPMP, -BPMP_EBADMSG will be returned and the request will
402 * @defgroup CC3 Auto-CC3
420 * * Request Payload: @ref mrq_ping_request
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| /linux/Documentation/scheduler/ |
| H A D | sched-util-clamp.rst | 1 .. SPDX-License-Identifier: GPL-2.0
44 performance point required by its display pipeline to ensure no frame is
57 foreground, top-app, etc. Util clamp can be used to constrain how much
60 the ones belonging to the currently active app (top-app group). Beside this
65 1. The big cores are free to run top-app tasks immediately. top-app
106 Note that by design RT tasks don't have per-task PELT signal and must always
114 See :ref:`section 3.4 <uclamp-default-values>` for default values and
115 :ref:`3.4.1 <sched-util-clamp-min-rt-default>` on how to change RT tasks
150 task on the rq to only a subset of tasks on the top-most bucket.
156 As tasks are enqueued and dequeued, we keep track of the current effective
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| /linux/drivers/infiniband/sw/siw/ |
| H A D | siw_mem.c | 1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
4 /* Copyright (c) 2008-2019, IBM Corporation */
9 #include <linux/dma-mapping.h>
26 struct xa_limit limit = XA_LIMIT(1, SIW_STAG_MAX_INDEX); in siw_mem_add() local
32 if (xa_alloc_cyclic(&sdev->mem_xa, &id, m, limit, &next, in siw_mem_add()
34 return -ENOMEM; in siw_mem_add()
37 m->stag = id << 8; in siw_mem_add()
56 mem = xa_load(&sdev->mem_xa, stag_index); in siw_mem_id2obj()
57 if (likely(mem && kref_get_unless_zero(&mem->ref))) { in siw_mem_id2obj()
68 int i, num_pages = umem->num_pages; in siw_umem_release()
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| /linux/Documentation/userspace-api/media/v4l/ |
| H A D | crop.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
6 Image Cropping, Insertion and Scaling -- the CROP API
11 The CROP API is mostly superseded by the newer :ref:`SELECTION API
12 <selection-api>`. The new API should be preferred in most cases,
14 implemented by :ref:`VIDIOC_CROPCAP <VIDIOC_CROPCAP>` and has no
15 equivalent in the SELECTION API. See :ref:`selection-vs-crop` for a
29 Despite their name, the :ref:`VIDIOC_CROPCAP <VIDIOC_CROPCAP>`,
30 :ref:`VIDIOC_G_CROP <VIDIOC_G_CROP>` and :ref:`VIDIOC_S_CROP
37 overlay) is negotiated with the :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>`
38 and :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctls.
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|
| H A D | func-open.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
4 .. _func-open:
13 v4l2-open - Open a V4L2 device
18 .. code-block:: c
36 function and the :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl will
37 return the ``EAGAIN`` error code when no data is available or no
42 Other flags have no effect.
48 desired device name. This function has no side effects; all data format
49 parameters, current input or output, control values or other properties
58 -1 is returned, and the ``errno`` variable is set appropriately.
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| H A D | mmap.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 :ref:`VIDIOC_QUERYCAP` ioctl is set. There are two
15 supported applications must call the :ref:`VIDIOC_REQBUFS` ioctl
22 memory on a graphics card with a video capture add-on. However, being
24 drivers support streaming as well, allocating buffers in DMA-able main
33 :ref:`VIDIOC_REQBUFS` ioctl with the desired number
41 :ref:`VIDIOC_QUERYBUF` ioctl. In the single-planar
45 multi-planar API, struct :c:type:`v4l2_buffer` contains an
48 multi-planar API, every plane of every buffer has to be mapped
56 Example: Mapping buffers in the single-planar API
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| /linux/tools/perf/Documentation/ |
| H A D | perf-config.txt | 1 perf-config(1)
5 ----
6 perf-config - Get and set variables in a configuration file.
9 ---
[all...] |
| H A D | tips.txt | 1 For a higher level overview, try: perf report --sort comm,dso
2 Sample related events with: perf record -e '{cycles,instructions}:S'
4 Boolean options have negative forms, e.g.: perf report --no-children
5 To not accumulate CPU time of children symbols add --no-children
6 Customize output of perf script with: perf script -F event,ip,sym
7 Generate a script for your data: perf script -g <lang>
10 Search options using a keyword: perf report -h <keyword>
11 Use parent filter to see specific call path: perf report -p <regex>
13 To see list of saved events and attributes: perf evlist -v
14 Use --symfs <dir> if your symbol files are in non-standard locations
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| /linux/block/ |
| H A D | bfq-iosched.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
16 * BFQ is a proportional-share I/O scheduler, with some extra
17 * low-latency capabilities. BFQ also supports full hierarchical
20 * limitations can be found in Documentation/block/bfq-iosched.rst.
22 * BFQ is a proportional-share storage-I/O scheduling algorithm based
23 * on the slice-by-slice service scheme of CFQ. But BFQ assigns
25 * time slices. The device is not granted to the in-service process
31 * B-WF2Q+, to schedule processes according to their budgets. More
33 * process/queue is assigned a user-configurable weight, and B-WF2Q+
36 * B-WF2Q+, BFQ can afford to assign high budgets to I/O-bound
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| /linux/drivers/s390/scsi/ |
| H A D | zfcp_ccw.c | 1 // SPDX-License-Identifier: GPL-2.0
27 adapter = dev_get_drvdata(&cdev->dev); in zfcp_ccw_adapter_by_cdev()
29 kref_get(&adapter->ref); in zfcp_ccw_adapter_by_cdev()
39 kref_put(&adapter->ref, zfcp_adapter_release); in zfcp_ccw_adapter_put()
44 * zfcp_ccw_activate - activate adapter and wait for it to finish
63 * rate limit. Recovery has already scheduled a port scan for us, in zfcp_ccw_activate()
64 * but with both random delay and rate limit. Nevertheless we get in zfcp_ccw_activate()
69 * and port scan. If not, i.e. recovery takes ages, there was no in zfcp_ccw_activate()
75 flush_delayed_work(&adapter->scan_work); in zfcp_ccw_activate()
90 * zfcp_ccw_probe - probe function of zfcp driver
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| /linux/Documentation/devicetree/bindings/mfd/ |
| H A D | st,stmpe.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
15 - Linus Walleij <linus.walleij@linaro.org>
18 - $ref: /schemas/spi/spi-peripheral-props.yaml#
23 - st,stmpe601
24 - st,stmpe801
25 - st,stmpe811
26 - st,stmpe1600
27 - st,stmpe1601
[all …]
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| /linux/Documentation/core-api/ |
| H A D | workqueue.rst | 24 there is no work item left on the workqueue the worker becomes idle.
33 thread system-wide. A single MT wq needed to keep around the same
50 limitation that no two polling PIOs can progress at the same time. As
60 * Use per-CPU unified worker pools shared by all wq to provide
83 the functions off of the queue, one after the other. If no work is queued,
85 worker-pools.
87 The cmwq design differentiates between the user-facing workqueues that
89 which manages worker-pools and processes the queued work items.
91 There are two worker-pools, one for normal work items and the other
93 worker-pools to serve work items queued on unbound workqueues - the
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|
| H A D | memory-allocation.rst | 35 :ref:`Documentation/core-api/mm-api.rst <mm-api-gfp-flags>` provides
68 userspace but has no addressing limitations.
79 :ref:`Documentation/core-api/gfp_mask-from-fs-io.rst <gfp_mask_from_fs_io>`.
89 ------------------------------
94 * ``GFP_KERNEL & ~__GFP_RECLAIM`` - optimistic allocation without _any_
100 * ``GFP_KERNEL & ~__GFP_DIRECT_RECLAIM`` (or ``GFP_NOWAIT``)- optimistic
101 allocation without any attempt to free memory from the current
107 * ``(GFP_KERNEL|__GFP_HIGH) & ~__GFP_DIRECT_RECLAIM`` (aka ``GFP_ATOMIC``) -
109 some portion of memory reserves. Usually used from interrupt/bottom-half
112 * ``GFP_KERNEL`` - both background and direct reclaim are allowed and the
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| /linux/Documentation/bpf/ |
| H A D | bpf_design_QA.rst | 19 -------------------------------------------------------------
20 A: NO.
23 -------------------------------------
24 A: NO.
27 -----------------------------------------------------------
41 A: NO. BPF allows only register R0 to be used as return value.
45 A: NO. BPF calling convention only allows registers R1-R5 to be used
50 -----------------------------------------------------------------
51 A: NO.
54 ------------------------------------------
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| /linux/Documentation/admin-guide/pm/ |
| H A D | sleep-states.rst | 1 .. SPDX-License-Identifier: GPL-2.0
13 Sleep states are global low-power states of the entire system in which user
28 Suspend-to-Idle
29 ---------------
31 This is a generic, pure software, light-weight variant of system suspend (also
34 I/O devices into low-power states (possibly lower-power than available in the
38 The system is woken up from this state by in-band interrupts, so theoretically
42 This state can be used on platforms without support for :ref:`standby <standby>`
43 or :ref:`suspend-to-RAM <s2ram>`, or it can be used in addition to any of the
50 -------
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| /linux/Documentation/admin-guide/mm/damon/ |
| H A D | usage.rst | 1 .. SPDX-License-Identifier: GPL-2.0
9 - *DAMON user space tool.*
11 system administrators who want a just-working human-friendly interface.
12 Using this, users can use the DAMON’s major features in a human-friendly way.
16 - *sysfs interface.*
17 :ref:`This <sysfs_interface>` is for privileged user space programmers who
23 - *Kernel Space Programming Interface.*
29 - *debugfs interface. (DEPRECATED!)*
30 :ref:`This <debugfs_interface>` is almost identical to :ref:`sysfs interface
32 :ref:`sysfs interface <sysfs_interface>`. If you depend on this and cannot
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|
| /linux/mm/ |
| H A D | memcontrol.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* memcontrol.c - Memory Controller
28 #include <linux/cgroup-defs.h>
39 #include <linux/page-flags.h>
40 #include <linux/backing-dev.h>
70 #include "memcontrol-v
130 obj_cgroup_release(struct percpu_ref * ref) obj_cgroup_release() argument
1296 unsigned long limit; mem_cgroup_margin() local
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| H A D | zswap.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * zswap.c - zswap driver file
7 * RAM-based memory pool. This can result in a significant I/O reduction on
32 #include <linux/page-flags.h>
55 /* Pool limit was hit (see zswap_max_pool_percent) */
57 /* Pages written back when pool limit was reached */
59 /* Store failed due to a reclaim failure after pool limit was reached */
72 /* Pool limit was hit, we need to calm down */
125 /* Enable/disable memory pressure-based shrinker. */
154 * The lock ordering is zswap_tree.lock -> zswap_pool.lru_lock.
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| /linux/drivers/media/v4l2-core/ |
| H A D | v4l2-ctrls-core.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (C) 2010-2021 Hans Verkuil <hverkuil-cisco@xs4all.nl>
11 #include <media/v4l2-ctrls.h>
12 #include <media/v4l2-event.h>
13 #include <media/v4l2-fwnode.h>
15 #include "v4l2-ctrls-priv.h"
23 ev->type = V4L2_EVENT_CTRL; in fill_event()
24 ev->id = ctrl->id; in fill_event()
25 ev->u.ctrl.changes = changes; in fill_event()
26 ev->u.ctrl.type = ctrl->type; in fill_event()
[all …]
|