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/openbmc/phosphor-dbus-interfaces/yaml/xyz/openbmc_project/Control/Boot/
H A DMode.interface.yaml6 - name: BootMode
12 - name: Modes
16 - name: Regular
19 - name: Safe
21 Boot to a diagnostic/trouble-shooting mode.
22 - name: Setup
/openbmc/linux/Documentation/admin-guide/media/
H A Dremote-controller.rst1 .. SPDX-License-Identifier: GPL-2.0
22 the `v4l-utils <https://git.linuxtv.org/v4l-utils.git/>`_. It provides
25 - ir-keytable: provides a way to query the remote controller, list the
26 protocols it supports, enable in-kernel support for IR decoder or
29 - ir-ctl: provide tools to handle remote controllers that support raw mode
32 Usually, the remote controller module is auto-loaded when the TV card is
34 ir-kbd-i2c module.
46 the `v4l-utils <https://git.linuxtv.org/v4l-utils.git/>`_, it may also
48 `v4l-utils <https://git.linuxtv.org/v4l-utils.git/>`_ ir-keytable.1
51 The ir-keytable tool is nice for trouble shooting, i.e. to check
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/openbmc/linux/Documentation/networking/caif/
H A Dcaif.rst1 .. SPDX-License-Identifier: GPL-2.0
10 :Copyright: |copy| ST-Ericsson AB 2010
40 The use of Start-of-frame-extension (STX) must also be set as
55 Trouble shooting
59 /sys/kernel/debug/caif_serial/<tty-name>/
61 * ser_state: Prints the bit-mask status where
63 - 0x02 means SENDING, this is a transient state.
64 - 0x10 means FLOW_OFF_SENT, i.e. the previous frame has not been sent
68 * tty_status: Prints the bit-mask tty status information
70 - 0x01 - tty->warned is on.
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/openbmc/qemu/tests/vm/
H A DMakefile.include9 VM_VENV = check-venv
12 .PHONY: vm-build-all vm-clean-all
14 EFI_AARCH64 = $(wildcard $(BUILD_DIR)/pc-bios/edk2-aarch64-code.fd)
24 HOST_ARCH = $(shell uname -m)
31 IMAGES_DIR := $(HOME)/.cache/qemu-vm/images
37 HAVE_PYTHON_YAML = $(shell $(PYTHON) -c "import yaml" 2> /dev/null && echo yes)
40 # 'vm-help' target was historically named 'vm-test'
41 vm-help vm-test:
42 @echo "vm-help: Test QEMU in preconfigured virtual machines"
44 @echo " vm-build-freebsd - Build QEMU in FreeBSD VM"
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/openbmc/linux/include/linux/firmware/intel/
H A Dstratix10-svc-client.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (C) 2017-2018, Intel Corporation
77 * enum stratix10_svc_command_code - supported service commands
79 * @COMMAND_NOOP: do 'dummy' request for integration/debug/trouble-shooting
84 * @COMMAND_RECONFIG_DATA_SUBMIT: submit buffer(s) of bit-stream data for the
118 * @COMMAND_SMC_SVC_VERSION: Non-mailbox SMC SVC API Version,
172 /* Non-mailbox SMC Call */
177 * struct stratix10_svc_client_msg - message sent by client to service
195 * struct stratix10_svc_command_config_type - config type
203 * struct stratix10_svc_cb_data - callback data structure from service layer
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/openbmc/linux/Documentation/sound/hd-audio/
H A Dnotes.rst2 More Notes on HD-Audio Driver
11 HD-audio is the new standard on-board audio component on modern PCs
12 after AC97. Although Linux has been supporting HD-audio since long
15 This document explains the brief trouble-shooting and debugging
16 methods for the HD-audio hardware.
18 The HD-audio component consists of two parts: the controller chip and
19 the codec chips on the HD-audio bus. Linux provides a single driver
20 for all controllers, snd-hda-intel. Although the driver name contains
21 a word of a well-known hardware vendor, it's not specific to it but for
22 all controller chips by other companies. Since the HD-audio
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/openbmc/linux/drivers/gpu/drm/amd/display/dc/
H A Ddc.h2 * Copyright 2012-2023 Advanced Micro Devices, Inc.
99 // for example, 1080p -> 8K is 4.0, or 4000 raw value
107 // for example, 8K -> 1080p is 0.25, or 250 raw value
119 * DOC: color-management-caps
124 * abstracted HW. DCE 5-12 had almost no important changes, but starting with
131 * struct rom_curve_caps - predefined transfer function caps for degamma and regamma
147 * struct dpp_color_caps - color pipeline capabilities for display pipe and
152 * just plain 256-entry lookup
161 * @dgam_rom_for_yuv: pre-define
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/openbmc/linux/fs/nfs/
H A Dinode.c1 // SPDX-License-Identifier: GPL-2.0-only
12 * Change to nfs_read_super() to permit NFS mounts to multi-homed hosts.
62 /* Default is to see 64-bit inode numbers */
72 return nfs_fileid_to_ino_t(fattr->fileid); in nfs_fattr_to_ino_t()
79 return -ERESTARTSYS; in nfs_wait_bit_killable()
85 * nfs_compat_user_ino64 - returns the user-visible inode number
86 * @fileid: 64-bit fileid
88 * This function returns a 32-bit inode number if the boot parameter
103 ino ^= fileid >> (sizeof(fileid)-sizeof(ino)) * 8; in nfs_compat_user_ino64()
119 WARN_ON_ONCE(!list_empty(&NFS_I(inode)->open_files)); in nfs_clear_inode()
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/openbmc/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:
27 # Options that are inherently 64-bit kernel only:
54 # ported to 32-bit as well. )
141 # Word-size accesses may read uninitialized data past the trailing \0
315 default "elf32-i386" if X86_32
316 default "elf64-x86-64" if X86_64
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/openbmc/linux/mm/
H A Dpage_alloc.c1 // SPDX-License-Identifier: GPL-2.0-only
38 #include <linux/fault-inject.h>
60 /* Free Page Internal flags: for internal, non-pcp variants of free_pages(). */
69 * reporting it and marking it "reported" - it only skips notifying
78 * page shuffling (relevant code - e.g., memory onlining - is expected to
81 * Note: No code should rely on this flag for correctness - it's purely
88 /* prevent >1 _updater_ of zone percpu pageset ->high and ->batch fields */
101 /* UP spin_trylock always succeeds so disable IRQs to prevent re-entrancy. */
123 * Generic helper to lookup and a per-cpu variable with an embedded spinlock.
131 spin_lock(&_ret->member); \
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