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/linux/Documentation/devicetree/bindings/soc/fsl/cpm_qe/
H A Dcpm.txt10 - compatible : "fsl,cpm1", "fsl,cpm2", or "fsl,qe".
11 - reg : A 48-byte region beginning with CPCR.
15 #address-cells = <1>;
16 #size-cells = <1>;
17 #interrupt-cells = <2>;
18 compatible = "fsl,mpc8272-cpm", "fsl,cpm2";
24 - fsl,cpm-command : This value is ORed with the opcode and command flag
27 - fsl,cpm-brg : Indicates which baud rate generator the device
32 - reg : Unless otherwise specified, the first resource represents the
36 * Multi-User RAM (MURAM)
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/linux/Documentation/driver-api/media/drivers/
H A Ddvb-usb.rst1 .. SPDX-License-Identifier: GPL-2.0
3 Idea behind the dvb-usb-framework
11 #) **deprecated:** Newer DVB USB drivers should use the dvb-usb-v2 framework.
13 In March 2005 I got the new Twinhan USB2.0 DVB-T device. They provided specs
18 dibusb-driver would be a complete mess afterwards. So I decided to do it in a
19 different way: With the help of a dvb-usb-framework.
23 - Transport Stream URB handling in conjunction with dvb-demux-feed-control
25 - registering the device for the DVB-API
26 - registering an I2C-adapter if applicable
27 - remote-control/input-device handling
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/linux/drivers/mfd/
H A Dvx855.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Linux multi-function-device driver (MFD) for the integrated peripherals
68 return -ENODEV; in vx855_probe()
72 dev_warn(&pdev->dev, in vx855_probe()
74 ret = -ENODEV; in vx855_probe()
82 /* As the region identified here includes many non-GPIO things, we in vx855_probe()
89 ret = mfd_add_devices(&pdev->dev, -1, vx855_cells, ARRAY_SIZE(vx855_cells), in vx855_probe()
92 /* we always return -ENODEV here in order to enable other in vx855_probe()
93 * drivers like old, not-yet-platform_device ported i2c-viapro */ in vx855_probe()
94 return -ENODEV; in vx855_probe()
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/linux/Documentation/hwmon/
H A Dds1621.rst47 - Christian W. Zuckschwerdt <zany@triq.net>
48 - valuable contributions by Jan M. Sendler <sendler@sendler.de>
49 - ported to 2.6 by Aurelien Jarno <aurelien@aurel32.net>
53 ------------------
62 -----------
66 programmed into non-volatile on-chip registers). Temperature range is -55
68 Fahrenheit range of -67 to +257 degrees with 0.9 steps. If polarity
81 of up to +/- 0.5 degrees even when compared against precise temperature
91 any of the limits have ever been met or exceeded since last power-up or
102 also pin compatible with the DS1621 and provide multi-resolution support.
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/linux/drivers/input/touchscreen/
H A Dmk712.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (c) 1999-2002 Transmeta Corporation
16 * https://www.idt.com/general-parts/mk712-touch-screen-controller
20 * 1999-12-18: original version, Daniel Quinlan
21 * 1999-12-19: added anti-jitter code, report pen-up events, fixed mk712_poll
23 * 1999-12-20: improved random point rejection, Nathan Laredo
24 * 2000-01-05: checked in new anti-jitter code, changed mouse protocol, fixed
26 * 2002-03-15: Clean up for kernel merge <alan@redhat.com>
27 * Fixed multi open race, fixed memory checks, fixed resource
29 * 2005-01-18: Ported to 2.6 from 2.4.28, Rick Koch
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/linux/Documentation/devicetree/bindings/firmware/
H A Dfsl,scu.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Dong Aisheng <aisheng.dong@nxp.com>
13 The System Controller Firmware (SCFW) is a low-level system function
14 which runs on a dedicated Cortex-M core to provide power, clock, and
17 The AP communicates with the SC using a multi-ported MU module found
26 const: fsl,imx-scu
28 clock-controller:
31 $ref: /schemas/clock/fsl,scu-clk.yaml
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/linux/tools/perf/bench/
H A Dsched-messaging.c1 // SPDX-License-Identifier: GPL-2.0
4 * sched-messaging.c
9 * Ported to perf by Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
13 #include <subcmd/parse-options.h>
89 if (poll(&pollfd, 1, -1) != 1) in ready()
99 ready(ctx->ready_out, ctx->wakefd); in sender()
104 for (j = 0; j < ctx->num_fds; j++) { in sender()
108 ret = write(ctx->out_fds[j], data + done, in sender()
109 sizeof(data) - done); in sender()
128 close(ctx->in_fds[1]); in receiver()
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/linux/include/uapi/linux/
H A Dcdrom.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
3 * -- <linux/cdrom.h>
4 * General header file for linux CD-ROM drivers
9 * 1998-2002 Jens Axboe, axboe@suse.de
19 * As of Linux 2.1.x, all Linux CD-ROM application programs will use this
21 * a uniform interface between software accessing CD-ROMs and the various
23 * 23 different kinds of strange CD-ROM drives, but at least there will
24 * now be one, and only one, Linux CD-ROM interface.
27 * should use the O_NONBLOCK option when opening a CD-ROM device
33 * - drive = open("/dev/cdrom", O_RDONLY);
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/linux/drivers/nvme/host/
H A Dmultipath.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2017-2018 Christoph Hellwig.
6 #include <linux/backing-dev.h>
18 bool *arg = kp->arg; in multipath_param_set()
27 return -EINVAL; in multipath_param_set()
46 bool *arg = kp->arg; in multipath_always_on_set()
66 …"create multipath node always except for private namespace with non-unique nsid; note that this al…
70 [NVME_IOPOLICY_RR] = "round-robin",
71 [NVME_IOPOLICY_QD] = "queue-depth",
79 return -EINVAL; in nvme_set_iopolicy()
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/linux/drivers/isdn/hardware/mISDN/
H A Dhfcmulti.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * hfcmulti.c low level driver for hfc-4s/hfc-8s/hfc-e1 based cards
6 * ported to mqueue mechanism:
7 * Peter Sprenger (sprengermoving-bytes.de)
9 * inspired by existing hfc-pci driver:
10 * Copyright 1999 by Werner Cornelius (werner@isdn-development.de)
22 * Bit 0-7 = 0x00001 = HFC-E1 (1 port)
23 * or Bit 0-7 = 0x00004 = HFC-4S (4 ports)
24 * or Bit 0-7 = 0x00008 = HFC-8S (8 ports)
26 * Bit 9 = 0x00200 = Disable DTMF detect on all B-channels via hardware
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/linux/drivers/input/mouse/
H A Dsynaptics.c1 // SPDX-License-Identifier: GPL-2.0-only
6 * Added support for pass-through port. Special thanks to Peter Berg Larsen
10 * Ported to 2.5 input device infrastructure.
13 * start merging tpconfig and gpm code to a xfree-input module
17 * Copyright (c) 1998-2000 Bruce Kalk <kall@compass.com>
18 * code for the special synaptics commands (from the tpconfig-source)
61 * value which are actually negative values truncated to the 13-bit
63 * than 8184 (i.e. -8), so we treat all values greater than 8176 as
84 error = ps2_sliced_command(&psmouse->ps2dev, mode); in synaptics_mode_cmd()
89 error = ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_SETRATE); in synaptics_mode_cmd()
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/linux/arch/x86/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
4 bool "64-bit kernel" if "$(ARCH)" = "x86"
7 Say yes to build a 64-bit kernel - formerly known as x86_64
8 Say no to build a 32-bit kernel - formerly known as i386
13 # Options that are inherently 32-bit kernel only:
26 # Options that are inherently 64-bit kernel only:
56 # ported to 32-bit as well. )
158 # Word-size accesses may read uninitialized data past the trailing \0
342 default "elf32-i386" if X86_32
343 default "elf64-x86-64" if X86_64
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/linux/
H A DCREDITS1 This is at least a partial credits-file of people that have
4 scripts. The fields are: name (N), email (E), web-address
6 snail-mail address (S).
10 ----------
51 D: in-kernel DRM Maintainer
76 E: tim_alpaerts@toyota-motor-europe.com
80 S: B-2610 Wilrijk-Antwerpen
85 W: http://www-stu.christs.cam.ac.uk/~aia21/
106 D: Maintainer of ide-cd and Uniform CD-ROM driver,
107 D: ATAPI CD-Changer support, Major 2.1.x CD-ROM update.
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/linux/drivers/net/ethernet/mellanox/mlx4/
H A Dcmd.c16 * - Redistributions of source code must retain the above
20 * - Redistributions in binary form must reproduce the above
98 /* Multi Function device support required: */
142 [CMD_STAT_INTERNAL_ERR] = -EIO, in mlx4_status_to_errno()
143 [CMD_STAT_BAD_OP] = -EPERM, in mlx4_status_to_errno()
144 [CMD_STAT_BAD_PARAM] = -EINVAL, in mlx4_status_to_errno()
145 [CMD_STAT_BAD_SYS_STATE] = -ENXIO, in mlx4_status_to_errno()
146 [CMD_STAT_BAD_RESOURCE] = -EBADF, in mlx4_status_to_errno()
147 [CMD_STAT_RESOURCE_BUSY] = -EBUSY, in mlx4_status_to_errno()
148 [CMD_STAT_EXCEED_LIM] = -ENOMEM, in mlx4_status_to_errno()
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H A Dmain.c17 * - Redistributions of source code must retain the above
21 * - Redistributions in binary form must reproduce the above
41 #include <linux/dma-mapping.h>
43 #include <linux/io-mapping.h>
48 #include <uapi/rdma/mlx4-abi.h>
59 MODULE_DESCRIPTION("Mellanox ConnectX HCA low-level driver");
77 MODULE_PARM_DESC(msi_x, "0 - don't use MSI-X, 1 - use MSI-X, >1 - limit number of MSI-X irqs to msi…
105 " flow steering when available, set to -1");
149 MODULE_PARM_DESC(log_num_mac, "Log2 max number of MACs per ETH port (1-7)");
153 MODULE_PARM_DESC(log_num_vlan, "Log2 max number of VLANs per ETH port (0-7)");
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/linux/kernel/trace/
H A Dftrace.c1 // SPDX-License-Identifier: GPL-2.0
3 * Infrastructure for profiling code inserted by 'gcc -pg'.
5 * Copyright (C) 2007-2008 Steven Rostedt <srostedt@redhat.com>
6 * Copyright (C) 2004-2008 Ingo Molnar <mingo@redhat.com>
8 * Originally ported from the -rt patch by:
13 * Copyright (C) 2004-2006 Ingo Molnar
107 if (!(ops->flags & FTRACE_OPS_FL_PID) || !ops->private) in ftrace_pids_enabled()
110 tr = ops->private; in ftrace_pids_enabled()
112 return tr->function_pids != NULL || tr->function_no_pids != NULL; in ftrace_pids_enabled()
163 if (!(ops->flags & FTRACE_OPS_FL_INITIALIZED)) { in ftrace_ops_init()
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/linux/drivers/scsi/
H A Dncr53c8xx.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 ** Device driver for the PCI-SCSI NCR538XX controller family.
8 **-----------------------------------------------------------------------------
10 ** This driver has been ported to Linux from the FreeBSD NCR53C8XX driver
22 ** Stefan Esser <se@mi.Uni-Koeln.de>
24 ** And has been ported to NetBSD by
27 **-----------------------------------------------------------------------------
38 ** Support for Fast-20 scsi.
42 ** Support for Fast-40 scsi.
43 ** Support for on-Board RAM.
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/linux/kernel/bpf/
H A Dbtf.c1 // SPDX-License-Identifier: GPL-2.0
75 * NOTE that we cannot assume any reference-order.
81 * object describing "void *". This type-reference is done
88 * - Each line started with "[?]" is a btf_type object
89 * - [?] is the type_id of the btf_type object.
90 * - CONST/PTR is the BTF_KIND_XXX
91 * - "(anon)" is the name of the type. It just
93 * - type_i
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/linux/lib/zstd/compress/
H A Dzstd_compress.c1 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
6 * This source code is licensed under both the BSD-style license (found in the
9 * You may select, at your option, one of the above-listed licenses.
12 /*-*************************************
46 * Maximum size of the hash table dedicated to find 3-bytes matches,
57 /*-*************************************
62 * the one-pass compression functions.
75 /*-*************************************
90 … * row-based matchfinder. Unless the cdict is reloaded, we will use
104 cctx->customMem = memManager; in ZSTD_initCCtx()
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