| /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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| /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/drivers/net/phy/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
16 PHYlink models the link between the PHY and MAC, allowing fixed
17 configuration links, PHYs, and Serdes links with MAC level
40 Adds support for a set of LED trigger events per-PHY. Link
44 logical-or of all the link speed ones.
63 tristate "MDIO Bus/PHY emulation with fixed speed/link PHYs"
66 Adds the platform "fixed" MDIO Bus to cover the boards that use
69 Currently tested with mpc866ads and mpc8349e-mitx.
121 - ADIN1200 - Robust,Industrial, Low Power 10/100 Ethernet PHY
122 - ADIN1300 - Robust,Industrial, Low Latency 10/100/1000 Gigabit
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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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| /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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| H A D | sof_cirrus_common.c | 1 // SPDX-License-Identifier: GPL-2.0-only
50 struct snd_soc_card *card = rtd->card; in cs35l41_init()
53 ret = snd_soc_dapm_new_controls(&card->dapm, cs35l41_dapm_widgets, in cs35l41_init()
56 dev_err(rtd->dev, "fail to add dapm controls, ret %d\n", ret); in cs35l41_init()
63 dev_err(rtd->dev, "fail to add card controls, ret %d\n", ret); in cs35l41_init()
67 ret = snd_soc_dapm_add_routes(&card->dapm, cs35l41_dapm_routes, in cs35l41_init()
71 dev_err(rtd->dev, "fail to add dapm routes, ret %d\n", ret); in cs35l41_init()
101 dev_err(rtd->dev, "fail to get bclk freq, ret %d\n", clk_freq); in cs35l41_hw_params()
102 return -EINVAL; in cs35l41_hw_params()
110 dev_err(codec_dai->dev, "fail to set sysclk, ret %d\n", in cs35l41_hw_params()
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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/net/wireless/ |
| H A D | wext-compat.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * cfg80211 - wext compat code
9 * Copyright 2008-2009 Johannes Berg <johannes@sipsolutions.net>
10 * Copyright (C) 2019-2023 Intel Corporation
21 #include <net/cfg80211-wext.h>
22 #include "wext-compat.h"
24 #include "rdev-ops.h"
30 strcpy(wrqu->name, "IEEE 802.11"); in cfg80211_wext_giwname()
37 __u32 *mode = &wrqu->mode; in cfg80211_wext_siwmode()
38 struct wireless_dev *wdev = dev->ieee80211_ptr; in cfg80211_wext_siwmode()
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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/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/include/net/ |
| H A D | cfg80211.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
7 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
8 * Copyright 2013-2014 Intel Mobile Communications GmbH
9 * Copyright 2015-2017 Intel Deutschland GmbH
10 * Copyright (C) 2018-2025 Intel Corporation
72 * enum ieee80211_channel_flags - channel flags
167 * struct ieee80211_channel - channel definition
174 * @hw_value: hardware-specific value for the channel
212 * enum ieee80211_rate_flags - rate flags
245 * enum ieee80211_bss_type - BSS type filter
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| /linux/arch/arm64/boot/dts/renesas/ |
| H A D | gray-hawk-single.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
6 * Copyright (C) 2024-2025 Glider bv
11 * Because R-Car V4M has only 1 SSI, it cannot handle both Playback/Capture
28 #include <dt-bindings/gpio/gpio.h>
29 #include <dt-bindings/input/input.h>
30 #include <dt-bindings/leds/common.h>
31 #include <dt-bindings/media/video-interfaces.h>
35 compatible = "renesas,gray-hawk-single";
49 can_transceiver0: can-phy0 {
51 #phy-cells = <0>;
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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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| /linux/drivers/media/dvb-core/ |
| H A D | dvbdev.c | 1 // SPDX-License-Identifier: LGPL-2.1-or-later
92 return -ENODEV; in dvb_device_open()
99 if (dvbdev && dvbdev->fops) { in dvb_device_open()
103 new_fops = fops_get(dvbdev->fops); in dvb_device_open()
106 file->private_data = dvb_device_get(dvbdev); in dvb_device_open()
108 if (file->f_op->open) in dvb_device_open()
109 err = file->f_op->open(inode, file); in dvb_device_open()
119 return -ENODEV; in dvb_device_open()
132 struct dvb_device *dvbdev = file->private_data; in dvb_generic_open()
135 return -ENODEV; in dvb_generic_open()
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