| /linux/arch/riscv/ |
| H A D | Kconfig.errata | 20 non-standard handling on non-coherent operations on Andes cores.
35 bool "Apply SiFive errata CIP-453"
39 This will apply the SiFive CIP-453 errata to add sign extension
46 bool "Apply SiFive errata CIP-1200"
50 This will apply the SiFive CIP-1200 errata to repalce all
68 caches that are non-coherent with respect to peripheral DMAs.
69 It was designed before the Zicbom extension so needs non-standard
76 bool "T-HEAD errata"
79 All T-HEAD errata Kconfig depend on this Kconfig. Disabling
80 this Kconfig will disable all T-HEAD errata. Please say "Y"
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| /linux/Documentation/hwmon/ |
| H A D | pmbus-core.rst | 8 [from pmbus.org] The Power Management Bus (PMBus) is an open standard
9 power-management protocol with a fully defined command language that facilitates
11 protocol is implemented over the industry-standard SMBus serial interface and
12 enables programming, control, and real-time monitoring of compliant power
13 conversion products. This flexible and highly versatile standard allows for
17 semiconductor companies, this open power system standard is maintained and
18 promoted by the PMBus Implementers Forum (PMBus-IF), comprising 30+ adopters
22 commands, and manufacturers can add as many non-standard commands as they like.
23 Also, different PMBUs devices act differently if non-supported commands are
43 PMBus device capabilities auto-detection
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| H A D | submitting-patches.rst | 10 ----------
14 - Documentation/process/submit-checklist.rst
15 - Documentation/process/submitting-patches.rst
16 - Documentation/process/coding-style.rst
18 * Please run your patch through 'checkpatch --strict'. There should be no
22 * Please use the standard multi-line comment style. Do not mix C and C++
34 hardware. In such cases, you should test-build the code on at least one
35 architecture. If run-time testing was not achieved, it should be written
43 -------------------------------------------
58 --------------
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| /linux/include/linux/ |
| H A D | wait_bit.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
6 * Linux wait-bit related types and methods:
55 * wait_on_bit - wait for a bit to be cleared
60 * There is a standard hashed waitqueue table for generic use. This
66 * Returned value will be zero if the bit was cleared, or non-zero
82 * wait_on_bit_io - wait for a bit to be cleared
87 * Use the standard hashed waitqueue table to wait for a bit
91 * Returned value will be zero if the bit was cleared, or non-zero
107 * wait_on_bit_timeout - wait for a bit to be cleared or a timeout elapses
113 * Use the standard hashed waitqueue table to wait for a bit
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| /linux/Documentation/translations/it_IT/process/ |
| H A D | howto.rst | 1 .. include:: ../disclaimer-ita.rst
14 sviluppo kernel Linux. Il documento non tratterà alcun aspetto
23 ------------
36 L'assembly (di qualsiasi architettura) non è richiesto, a meno che non
38 Sebbene essi non siano un buon sostituto ad un solido studio del
39 linguaggio C o ad anni di esperienza, i seguenti libri sono, se non
42 - "The C Programming Language" di Kernighan e Ritchie [Prentice Hall]
43 - "Practical C Programming" di Steve Oualline [O'Reilly]
44 - "C: A Reference Manual" di Harbison and Steele [Prentice Hall]
47 Sebbene si attenga allo standard ISO C11, esso utilizza una serie di
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| /linux/scripts/dtc/libfdt/ |
| H A D | libfdt.h | 1 /* SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause) */
5 * libfdt - Flat Device Tree manipulation
35 * offset which is out-of-bounds, or which points to an
44 * length, or the phandle value was either 0 or -1, which are
48 * tree created by the sequential-write functions, which is
53 /* FDT_ERR_TRUNCATED: FDT or a sub-block is improperly
58 * device tree at all - it is missing the flattened device
63 * read-write functions, this may mean that fdt_open_into() is
70 /* FDT_ERR_BADLAYOUT: For read-write functions, the given
71 * device tree has it's sub-blocks in an order that the
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| /linux/Documentation/userspace-api/media/v4l/ |
| H A D | colorspaces.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
40 standard that defines spectral weighting functions that model the
41 perception of color. Specifically that standard defines functions that
97 the non-linear component value, which is a closer match to the
98 non-linear performance of both the eye and displays. Linear component
99 values are denoted RGB, non-linear are denoted as R'G'B'. In general
102 provide linear RGB colors or to use the built-in openGL support to apply
106 non-linear R'G'B' to non-linear Y'CbCr. This function is determined by
107 the so-called luma coefficients. There may be multiple possible Y'CbCr
148 colorspace standard only defines some, and you have to rely on other
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| H A D | colorspaces-defs.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
12 :c:type:`v4l2_xfer_func`) to specify non-standard
15 non-standard Y'CbCr encodings and the fourth is the quantization
17 specify non-standard quantization methods. Most of the time only the
22 .. _hsv-colorspace:
24 On :ref:`HSV formats <hsv-formats>` the *Hue* is defined as the angle on
26 degrees, i.e. 0-360. When we map this angle value into 8 bits, there are
27 two basic ways to do it: Divide the angular value by 2 (0-179), or use the
28 whole range, 0-255, dividing the angular value by 1.41. The enum
38 .. flat-table:: V4L2 Colorspaces
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| H A D | dev-raw-vbi.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
4 .. _raw-vbi:
52 ioctls as needed. The :ref:`video standard <standard>` ioctls provide
106 .. flat-table:: struct v4l2_vbi_format
107 :header-rows: 0
108 :stub-columns: 0
111 * - __u32
112 - ``sampling_rate``
113 - Samples per second, i. e. unit 1 Hz.
114 * - __u32
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| /linux/Documentation/core-api/ |
| H A D | asm-annotations.rst | 4 Copyright (c) 2017-2019 Jiri Slaby
11 ---------
14 accompanied with data. Standard assemblers do not force users into precisely
28 *non-standard* calling convention. In contrast, ``ENDPROC`` should annotate
29 only ends of *standard* functions.
47 (Documentation/arch/x86/orc-unwinder.rst)
53 ---------------------
57 * standard/non-standard function
68 .. _discussion: https://lore.kernel.org/r/20170217104757.28588-1-jslaby@suse.cz
71 ------------------
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| /linux/include/media/ |
| H A D | v4l2-dv-timings.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * v4l2-dv-timings - Internal header with dv-timings helper functions
14 * v4l2_calc_timeperframe - helper function to calculate timeperframe based
30 * typedef v4l2_check_dv_timings_fnc - timings check callback
40 * v4l2_valid_dv_timings() - are these timings valid?
48 * hardware capabilities and the callback function (if non-NULL), returns
57 * v4l2_enum_dv_timings_cap() - Helper function to enumerate possible DV
65 * This enumerates dv_timings using the full list of possible CEA-861 and DMT
67 * hardware capabilities and the callback function (if non-NULL).
70 * return 0, otherwise it returns -EINVAL.
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| /linux/Documentation/admin-guide/ |
| H A D | svga.rst | 7 :Copyright: |copy| 1995--1999 Martin Mares, <mj@ucw.cz>
22 remember its mode ID (the four-digit hexadecimal number) and then
28 (present in standard Linux utility packages). You can use the following values
31 NORMAL_VGA - Standard 80x25 mode available on all display adapters.
33 EXTENDED_VGA - Standard 8-pixel font mode: 80x43 on EGA, 80x50 on VGA.
35 ASK_VGA - Display a video mode menu upon startup (see below).
37 0..35 - Menu item number (when you have used the menu to view the list of
41 modes are listed in a "first detected -- first displayed" manner. It's
44 0x.... - Hexadecimal video mode ID (also displayed on the menu, see below
46 hexadecimal numbers -- you have to convert it to decimal manually.
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| /linux/Documentation/PCI/ |
| H A D | acpi-info.rst | 1 .. SPDX-License-Identifier: GPL-2.0
10 For example, there's no standard hardware mechanism for enumerating PCI
17 described via ACPI. The OS can discover them via the standard PCI
39 If the OS is expected to manage a non-discoverable device described via
50 These are all device-specific, non-architected things, so the only way a
52 the device-specific details. The host bridge registers also include ECAM
66 bridge registers (including ECAM space) in PNP0C02 catch-all devices [6].
67 With the exception of ECAM, the bridge register space is device-specific
78 PNP0C02 "motherboard" devices are basically a catch-all. There's no
85 unless there's a standard firmware interface for config access, e.g., the
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| /linux/Documentation/devicetree/bindings/serial/ |
| H A D | mvebu-uart.txt | 1 * Marvell UART : Non standard UART used in some of Marvell EBU SoCs
2 e.g., Armada-3700.
5 - compatible:
6 - "marvell,armada-3700-uart" for the standard variant of the UART
7 (32 bytes FIFO, no DMA, level interrupts, 8-bit access to the
9 - "marvell,armada-3700-uart-ext" for the extended variant of the
10 UART (128 bytes FIFO, DMA, front interrupts, 8-bit or 32-bit
12 - reg: offset and length of the register set for the device.
13 - clocks: UART reference clock used to derive the baudrate. If no clock
14 is provided (possible only with the "marvell,armada-3700-uart"
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| /linux/drivers/net/dsa/ |
| H A D | vitesse-vsc73xx-core.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Vitesse VSC7385 SparX-G5 5+1-port Integrated Gigabit Ethernet Switch
4 * Vitesse VSC7388 SparX-G8 8-port Integrated Gigabit Ethernet Switch
5 * Vitesse VSC7395 SparX-G5e 5+1-port Integrated Gigabit Ethernet Switch
6 * Vitesse VSC7398 SparX-G8e 8-port Integrated Gigabit Ethernet Switch
8 * These switches have a built-in 8051 CPU and can download and execute a
10 * handling the switch in a memory-mapped manner by connecting to that external
34 #include "vitesse-vsc73xx.h"
36 #define VSC73XX_BLOCK_MAC 0x1 /* Subblocks 0-4, 6 (CPU port) */
40 #define VSC73XX_BLOCK_CAPTURE 0x4 /* Subblocks 0-4, 6, 7 */
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| /linux/Documentation/driver-api/ |
| H A D | libata.rst | 12 transports for ATA and ATAPI devices, and SCSI<->ATA translation for ATA
16 internals, and a couple sample ATA low-level drivers.
22 is defined for every low-level libata
23 hardware driver, and it controls how the low-level driver interfaces
26 FIS-based drivers will hook into the system with ``->qc_prep()`` and
27 ``->qc_issue()`` high-level hooks. Hardware which behaves in a manner
33 ----------------------------------------------------------
35 Post-IDENTIFY device configuration
44 Typically used to apply device-specific fixups prior to issue of SET
45 FEATURES - XFER MODE, and prior to operation.
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| /linux/drivers/acpi/apei/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
31 Linux by firmware. This way, some non-standard hardware
32 error registers or non-standard hardware link can be checked
|
| /linux/Documentation/devicetree/bindings/powerpc/fsl/ |
| H A D | interlaken-lac.txt | 2 Freescale Interlaken Look-Aside Controller Device Bindings
6 - Interlaken Look-Aside Controller (LAC) Node
7 - Example LAC Node
8 - Interlaken Look-Aside Controller (LAC) Software Portal Node
9 - Interlaken Look-Aside Controller (LAC) Software Portal Child Nodes
10 - Example LAC SWP Node with Child Nodes
13 Interlaken Look-Aside Controller (LAC) Node
17 The Interlaken is a narrow, high speed channelized chip-to-chip interface. To
18 facilitate interoperability between a data path device and a look-aside
19 co-processor, the Interlaken Look-Aside protocol is defined for short
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| /linux/drivers/media/i2c/ |
| H A D | tvp514x.c | 1 // SPDX-License-Identifier: GPL-2.0-only
15 * Karicheri Muralidharan <m-karicheri2@ti.com>
26 #include <linux/v4l2-mediabus.h>
30 #include <media/media-entity.h>
31 #include <media/v4l2-async.h>
32 #include <media/v4l2-common.h>
33 #include <media/v4l2-ctrls.h>
34 #include <media/v4l2-device.h>
35 #include <media/v4l2-fwnode.h>
36 #include <media/v4l2-mediabus.h>
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| /linux/crypto/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
171 bool "Disable run-time self tests"
174 Disable run-time self tests that normally take place at
178 bool "Enable extra run-time crypto self tests"
181 Enable extra run-time self tests of registered crypto algorithms,
247 menu "Public-key cryptography"
250 tristate "RSA (Rivest-Shamir-Adleman)"
256 RSA (Rivest-Shamir-Adleman) public key algorithm (RFC8017)
259 tristate "DH (Diffie-Hellman)"
263 DH (Diffie-Hellman) key exchange algorithm
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| /linux/Documentation/isdn/ |
| H A D | interface_capi.rst | 9 COMMON-ISDN-API (CAPI) is an application programming interface standard used
22 Format and semantics of CAPI messages are specified in the CAPI 2.0 standard.
23 This standard is freely available from https://www.capi.org.
74 ----------------------
78 the following non-private fields, all to be set by the driver before calling
82 the name of the driver, as a zero-terminated ASCII string
84 the revision number of the driver, as a zero-terminated ASCII string
87 -------------------
94 It contains the following non-private fields:
106 the name of the controller, as a zero-terminated ASCII string
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| /linux/Documentation/fb/ |
| H A D | modedb.rst | 9 - one routine to probe for video modes, which can be used by all frame buffer
11 - one generic video mode database with a fair amount of standard videomodes
13 - the possibility to supply your own mode database for graphics hardware that
14 needs non-standard modes, like amifb and Mac frame buffer drivers (which
23 <xres>x<yres>[M][R][-<bpp>][@<refresh>][i][m][eDd]
24 <name>[-<bpp>][@<refresh>]
31 - NSTC: 480i output, with the CCIR System-M TV mode and NTSC color encoding
32 - NTSC-J: 480i output, with the CCIR System-M TV mode, the NTSC color
34 - PAL: 576i output, with the CCIR System-B TV mode and PAL color encoding
35 - PAL-M: 480i output, with the CCIR System-M TV mode and PAL color encoding
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| /linux/Documentation/ABI/testing/ |
| H A D | dev-kmsg | 30 first message in the buffer; there is no kernel-internal
36 used -EAGAIN returned.
42 the device is kept open, the next read() will return -EPIPE,
67 Because of the non-standard behavior also the error values are
68 non-standard. -ESPIPE is returned for non-zero offset. -EINVAL
85 all non-printable characters and '\' itself in the log message
86 are escaped by "\x00" C-style hex encoding.
95 7,160,424069,-;pci_root PNP0A03:00: host bridge window [io 0x0000-0x0cf7] (ignored)
98 6,339,5140900,-;NET: Registered protocol family 10
99 30,340,5690716,-;udevd[80]: starting version 181
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| /linux/net/mac80211/ |
| H A D | mesh_sync.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright 2011-2012, Pavel Zubarev <pavel.zubarev@gmail.com>
4 * Copyright 2011-2012, Marco Porsch <marco.porsch@s2005.tu-chemnitz.de>
5 * Copyright 2011-2012, cozybit Inc.
11 #include "driver-ops.h"
13 /* This is not in the standard. It represents a tolerable tsf drift below
18 /* This is not in the standard. It is a margin added to the
24 /* This is not in the standard. It represents the maximum Toffset jump above
37 * mesh_peer_tbtt_adjusting - check if an mp is currently adjusting its TBTT
46 (cfg->meshconf_cap & IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING); in mesh_peer_tbtt_adjusting()
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| /linux/arch/riscv/kernel/ |
| H A D | cpufeature.c | 1 // SPDX-License-Identifier: GPL-2.0-only
29 #define NUM_ALPHA_EXTS ('z' - 'a' + 1)
36 /* Per-cpu ISA extensions. */
40 * riscv_isa_extension_base() - Get base extension word
56 * __riscv_isa_extension_available() - Check whether given extension
80 pr_err("Zicbom detected in ISA string, disabling as no cbom-block-size found\n"); in riscv_ext_zicbom_validate()
81 return -EINVAL; in riscv_ext_zicbom_validate()
84 pr_err("Zicbom disabled as cbom-block-size present, but is not a power-of-2\n"); in riscv_ext_zicbom_validate()
85 return -EINVAL; in riscv_ext_zicbom_validate()
94 pr_err("Zicboz detected in ISA string, disabling as no cboz-block-size found\n"); in riscv_ext_zicboz_validate()
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