| /linux/drivers/interconnect/imx/ |
| H A D | imx.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
6 * Copyright (c) 2019-2020, NXP
17 #include <linux/interconnect-provider.h>
25 * Read Priority in Fixed/Limiter mode
30 * Write Priority in Fixed/Limiter mode
55 * struct imx_icc_node_adj - Describe a dynamic adjustable node
64 * struct imx_icc_node - Describe an interconnect node
67 * @links: an array of slaves' node id
68 * @num_links: number of id defined in links
73 u16 links[IMX_ICC_MAX_LINKS]; member
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| /linux/Documentation/filesystems/ |
| H A D | affs.rst | 1 .. SPDX-License-Identifier: GPL-2.0
18 a bug has been fixed so that accented ("international") letters
19 in file names are case-insensitive, as they ought to be.
95 symbolic links on an AFFS partition. Default = "/".
99 When symbolic links with an absolute path are created
107 Amiga -> Linux:
111 - R maps to r for user, group and others. On directories, R implies x.
113 - W maps to w.
115 - E maps to x.
117 - D is ignored.
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| H A D | qnx6.rst | 1 .. SPDX-License-Identifier: GPL-2.0
29 ------
31 The space in the device or file is split up into blocks. These are a fixed
39 ---------------
65 Unused block pointers are always set to ~0 - regardless of root node,
79 0x1000 is the size reserved for each superblock - regardless of the
83 ------
104 -----------
125 -------------
127 Symbolic links are also filesystem objects with inodes. They got a specific
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| H A D | ocfs2-online-filecheck.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 OCFS2 file system - online file check
11 OCFS2 is often used in high-availability systems. However, OCFS2 usually
12 converts the filesystem to read-only when encounters an error. This may not be
13 necessary, since turning the filesystem read-only would affect other running
16 -EIO errno to the calling process and terminate further processing so that the
18 read-only, and the problematic file's inode number is reported in the kernel
23 This effort is to check/fix small issues which may hinder day-to-day operations
24 of a cluster filesystem by turning the filesystem read-only. The scope of
28 In case of directory to file links is incorrect, the directory inode is
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| /linux/fs/affs/ |
| H A D | Changes | 7 -----------
9 - Doesn't work on the alpha. The only 64/32-bit
14 Alas, I've got no alpha to debug. :-(
16 - The partition checker (drivers/block/genhd.c)
20 - The feature to automatically make the fs clean
24 - When a file is truncated to a size that is not
29 Please direct bug reports to: zippel@linux-m68k.org
32 ------------
33 - kill kernel lock
34 - fix for a possible bitmap corruption
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| /linux/Documentation/networking/dsa/ |
| H A D | sja1105.rst | 8 The NXP SJA1105 is a family of 10 SPI-managed automotive switches:
10 - SJA1105E: First generation, no TTEthernet
11 - SJA1105T: First generation, TTEthernet
12 - SJA1105P: Second generation, no TTEthernet, no SGMII
13 - SJA1105Q: Second generation, TTEthernet, no SGMII
14 - SJA1105R: Second generation, no TTEthernet, SGMII
15 - SJA1105S: Second generation, TTEthernet, SGMII
16 - SJA1110A: Third generation, TTEthernet, SGMII, integrated 100base-T1 and
17 100base-TX PHYs
18 - SJA1110B: Third generation, TTEthernet, SGMII, 100base-T1, 100base-TX
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| H A D | dsa.rst | 22 An Ethernet switch typically comprises multiple front-panel ports and one
27 gateways, or even top-of-rack switches. This host Ethernet controller will
32 using upstream and downstream Ethernet links between switches. These specific
36 For each front-panel port, DSA creates specialized network devices which are
37 used as controlling and data-flowing endpoints for use by the Linux networking
46 - what port is this frame coming from
47 - what was the reason why this frame got forwarded
48 - how to send CPU originated traffic to specific ports
52 on Port-based VLAN IDs).
57 - the "cpu" port is the Ethernet switch facing side of the management
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| /linux/Documentation/admin-guide/ |
| H A D | sysfs-rules.rst | 4 The kernel-exported sysfs exports internal kernel implementation details
11 low-level userspace applications, with a new kernel release, the users
12 of sysfs must follow some rules to use an as-abstract-as-possible way to
21 - Do not use libsysfs
23 offer any abstraction, it exposes all the kernel driver-core
31 - sysfs is always at ``/sys``
38 - devices are only "devices"
39 There is no such thing like class-, bus-, physical devices,
41 just simply a "device". Class-, bus-, physical, ... types are just
47 - devpath (``/devices/pci0000:00/0000:00:1d.1/usb2/2-2/2-2:1.0``)
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| /linux/drivers/net/wireless/ti/wlcore/ |
| H A D | wlcore_i.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 1998-2009 Texas Instruments. All rights reserved.
6 * Copyright (C) 2008-2009 Nokia Corporation
53 * max number of links allowed by all HWs.
54 * this is NOT the actual max links supported by the current hw.
68 * When in AP-mode, we allow (at least) this number of packets
69 * to be transmitted to FW for a STA in PS-mode. Only when packets are
135 /* Cumulative counter of total released mem blocks since FW-reset */
150 * (length of the array is wl->num_links)
154 /* PN16 of last TKIP/AES seq-num per HLID */
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| /linux/Documentation/networking/ |
| H A D | sfp-phylink.rst | 1 .. SPDX-License-Identifier: GPL-2.0
10 phylink is a mechanism to support hot-pluggable networking modules
11 directly connected to a MAC without needing to re-initialise the
12 adapter on hot-plug events.
14 phylink supports conventional phylib-based setups, fixed link setups
30 2. Fixed mode
32 Fixed mode is the same as PHY mode as far as the MAC driver is
35 3. In-band mode
37 In-band mode is used with 802.3z, SGMII and similar interface modes,
38 and we are expecting to use and honor the in-band negotiation or
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| H A D | xdp-rx-metadata.rst | 1 .. SPDX-License-Identifier: GPL-2.0
22 .. kernel-doc:: net/core/xdp.c
25 .. kernel-doc:: net/core/xdp.c
28 .. kernel-doc:: net/core/xdp.c
35 metadata available in which case the driver returns ``-ENODATA``.
38 implemented, the default ones that return ``-EOPNOTSUPP`` will be used
45 +----------+-----------------+------+
47 +----------+-----------------+------+
50 xdp_buff->data_meta xdp_buff->data
60 :doc:`af_xdp` use-case implies that there is a contract between the BPF
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| /linux/sound/soc/intel/boards/ |
| H A D | sof_ssp_amp.c | 1 // SPDX-License-Identifier: GPL-2.0-only
6 * sof_ssp_amp.c - ASoc Machine driver for Intel platforms
24 /* Driver-specific board quirks: from bit 0 to 7 */
52 /* BE ID defined in sof-tgl-rt1308-hdmi-ssp.m4 */
57 /* extra BE links to support no-hdmi-in boards */
87 if (ctx->amp_type == CODEC_NONE) in sof_card_dai_links_create()
90 if (!ctx->amp_link) { in sof_card_dai_links_create()
92 return -EINVAL; in sof_card_dai_links_create()
95 /* codec-specific fields for speaker amplifier */ in sof_card_dai_links_create()
96 switch (ctx->amp_type) { in sof_card_dai_links_create()
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| /linux/fs/bcachefs/ |
| H A D | fsck.c | 1 // SPDX-License-Identifier: GPL-2.0
13 #include "fs-common.h"
29 return inode->bi_dir == d.k->p.inode && in inode_points_to_dirent()
30 inode->bi_dir_offset == d.k->p.offset; in inode_points_to_dirent()
36 if (d.v->d_type == DT_SUBVOL in dirent_points_to_inode_nowarn()
37 ? le32_to_cpu(d.v->d_child_subvol) == inode->bi_subvol in dirent_points_to_inode_nowarn()
38 : le64_to_cpu(d.v->d_inum) == inode->bi_inum) in dirent_points_to_inode_nowarn()
40 return -BCH_ERR_ENOENT_dirent_doesnt_match_inode; in dirent_points_to_inode_nowarn()
71 * -BCH_ERR_transaction_restart_nested, this is not how we do things anymore:
83 sectors += k.k->size; in bch2_count_inode_sectors()
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| /linux/Documentation/filesystems/ext4/ |
| H A D | inodes.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 -----------
15 links and is in general more seek-happy than ext4 due to its simpler
22 ``(inode_number - 1) / sb.s_inodes_per_group``, and the offset into the
23 group's table is ``(inode_number - 1) % sb.s_inodes_per_group``. There
31 .. list-table::
33 :header-rows: 1
36 * - Offset
37 - Size
38 - Name
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| /linux/Documentation/devicetree/bindings/net/ |
| H A D | ethernet-controller.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/net/ethernet-controller.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - David S. Miller <davem@davemloft.net>
19 local-mac-address:
22 $ref: /schemas/types.yaml#/definitions/uint8-array
26 mac-address:
31 local-mac-address property.
32 $ref: /schemas/types.yaml#/definitions/uint8-array
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| /linux/drivers/media/platform/renesas/vsp1/ |
| H A D | vsp1_entity.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * vsp1_entity.c -- R-Car VSP1 Base Entity
5 * Copyright (C) 2013-2014 Renesas Electronics Corporation
13 #include <media/media-entity.h>
14 #include <media/v4l2-ctrls.h>
15 #include <media/v4l2-subdev.h>
30 if (entity->type == VSP1_ENTITY_HGO) { in vsp1_entity_route_setup()
37 source = entity->sources[0]; in vsp1_entity_route_setup()
38 smppt = (pipe->output->entity.index << VI6_DPR_SMPPT_TGW_SHIFT) in vsp1_entity_route_setup()
39 | (source->route->output << VI6_DPR_SMPPT_PT_SHIFT); in vsp1_entity_route_setup()
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| /linux/drivers/base/ |
| H A D | core.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * drivers/base/core.c - core driver model code (device registration, etc)
5 * Copyright (c) 2002-3 Patrick Mochel
6 * Copyright (c) 2002-3 Open Source Development Labs
7 * Copyright (c) 2006 Greg Kroah-Hartman <gregkh@suse.de>
16 #include <linux/dma-map-ops.h> /* for dma_default_coherent */
40 /* Device links support. */
51 * __fwnode_link_add - Create a link between two fwnode_handles.
65 * Attempts to create duplicate links between the same pair of fwnode handles
73 list_for_each_entry(link, &sup->consumers, s_hook) in __fwnode_link_add()
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| /linux/Documentation/admin-guide/media/ |
| H A D | imx.rst | 1 .. SPDX-License-Identifier: GPL-2.0
7 ------------
15 - Image DMA Controller (IDMAC)
16 - Camera Serial Interface (CSI)
17 - Image Converter (IC)
18 - Sensor Multi-FIFO Controller (SMFC)
19 - Image Rotator (IRT)
20 - Video De-Interlacing or Combining Block (VDIC)
26 re-ordering (for example UYVY to YUYV) within the same colorspace, and
27 packed <--> planar conversion. The IDMAC can also perform a simple
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| /linux/Documentation/userspace-api/media/v4l/ |
| H A D | vidioc-subdev-enum-frame-size.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_SUBDEV_ENUM_FRAME_SIZE - Enumerate media bus frame sizes
35 supported by a sub-device on the specified pad
59 Sub-devices that only support discrete frame sizes (such as most
64 supported. For instance, a scaler that uses a fixed-point scaling ratio
68 sub-device for an exact supported frame size.
71 pads of the sub-device, as well as on the current active links and the
80 .. flat-table:: struct v4l2_subdev_frame_size_enum
81 :header-rows: 0
82 :stub-columns: 0
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| /linux/fs/jffs2/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
9 levelling, compression and support for hard links. You cannot use
25 is unlikely to be useful - it enables extra debugging in certain
27 located and fixed, the detailed messages were relegated to level 2.
33 bool "JFFS2 write-buffering support"
37 This enables the write-buffering support in JFFS2.
41 - NAND flash
42 - NOR flash with transparent ECC
43 - DataFlash
46 bool "Verify JFFS2 write-buffer reads"
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| /linux/drivers/usb/gadget/function/ |
| H A D | u_ether.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * u_ether.h -- interface to USB gadget "ethernet link" utilities
5 * Copyright (C) 2003-2005,2008 David Brownell
6 * Copyright (C) 2003-2004 Robert Schwebel, Benedikt Spranger
49 * layer facilities can be used to package multiple logical links on this
68 /* NCM requires fixed size bundles */
96 /* gether_setup - initialize one ethernet-over-usb link
97 * @g: gadget to associated with these links
122 * gether_register_netdev - register the net device
125 * Registers the net device associated with this ethernet-over-usb link
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| /linux/tools/memory-model/Documentation/ |
| H A D | explanation.txt | 1 Explanation of the Linux-Kernel Memory Consistency Model
15 7. THE PROGRAM ORDER RELATION: po AND po-loc
18 10. THE READS-FROM RELATION: rf, rfi, and rfe
20 12. THE FROM-READS RELATION: fr, fri, and fre
22 14. PROPAGATION ORDER RELATION: cumul-fence
28 20. THE HAPPENS-BEFORE RELATION: hb
29 21. THE PROPAGATES-BEFORE RELATION: pb
30 22. RCU RELATIONS: rcu-link, rcu-gp, rcu-rscsi, rcu-order, rcu-fence, and rb
31 23. SRCU READ-SIDE CRITICAL SECTIONS
39 ------------
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| /linux/tools/testing/selftests/bpf/prog_tests/ |
| H A D | sock_fields.c | 1 // SPDX-License-Identifier: GPL-2.0
34 #define PARENT_CGROUP "/test-bpf-sock-fields"
35 #define CHILD_CGROUP "/test-bpf-sock-fields/child"
64 inet_ntop(AF_INET, &sk->src_ip4, src_ip4, sizeof(src_ip4)); in print_sk()
65 inet_ntop(AF_INET6, &sk->src_ip6, src_ip6, sizeof(src_ip6)); in print_sk()
66 inet_ntop(AF_INET, &sk->dst_ip4, dst_ip4, sizeof(dst_ip4)); in print_sk()
67 inet_ntop(AF_INET6, &sk->dst_ip6, dst_ip6, sizeof(dst_ip6)); in print_sk()
73 sk->state, sk->bound_dev_if, sk->family, sk->type, sk->protocol, in print_sk()
74 sk->mark, sk->priority, in print_sk()
75 sk->src_ip4, src_ip4, in print_sk()
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| /linux/Documentation/doc-guide/ |
| H A D | contributing.rst | 1 .. SPDX-License-Identifier: GPL-2.0
6 Documentation is an important part of any software-development project.
8 developers work more effectively. Without top-quality documentation, a lot
9 of time is wasted in reverse-engineering the code and making avoidable
23 ---------------------------
36 ones. For this reason, eliminating warnings is one of the highest-priority
47 they should indicate the real problem that has been fixed.
59 - Resource-managed devfreq_register_notifier()
61 - Resource-managed devfreq_unregister_notifier()
70 - Resource-managed devfreq_register_notifier()
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| /linux/arch/arm/boot/dts/intel/ixp/ |
| H A D | intel-ixp4xx.dtsi | 1 // SPDX-License-Identifier: ISC
6 #include <dt-bindings/interrupt-controller/irq.h>
7 #include <dt-bindings/gpio/gpio.h>
11 #address-cells = <1>;
12 #size-cells = <1>;
14 compatible = "simple-bus";
15 interrupt-parent = <&intcon>;
22 /* compatible and reg filled in by per-soc device tree */
23 native-endian;
24 #address-cells = <2>;
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