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/linux/Documentation/devicetree/bindings/usb/
H A Dbrcm,usb-pinmap.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/usb/brcm,usb-pinmap.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Al Cooper <alcooperx@gmail.com>
15 - const: brcm,usb-pinmap
22 description: Interrupt for signals mirrored to out-gpios.
24 in-gpios:
29 brcm,in-functions:
30 $ref: /schemas/types.yaml#/definitions/string-array
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/linux/drivers/gpu/drm/radeon/
H A Dradeon_acpi.c19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
53 u32 function_bits; /* supported functions bit vector */
68 u8 thermal_state; /* thermal state: state id (0: exit state, non-0: state) */
72 u8 backlight_level; /* panel backlight level (0-255) */
83 u32 function_bits; /* supported functions bit vector */
90 u16 client_id; /* client id (bit 2-0: func num, 7-3: dev num, 15-8: bus num) */
105 * radeon_atif_call - call an ATIF method
130 atif_arg_elements[1].buffer.length = params->length; in radeon_atif_call()
131 atif_arg_elements[1].buffer.pointer = params->pointer; in radeon_atif_call()
152 * radeon_atif_parse_notification - parse supported notifications
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/linux/drivers/usb/misc/
H A Dbrcmstb-usb-pinmap.c1 // SPDX-License-Identifier: GPL-2.0
64 val = gpiod_get_value(pin->gpiod); in sync_in_pin()
66 pinmap_set(pin->pdata->regs, pin->value_mask); in sync_in_pin()
68 pinmap_unset(pin->pdata->regs, pin->value_mask); in sync_in_pin()
83 pr_debug("%s: reg: 0x%x\n", __func__, readl(pdata->regs)); in brcmstb_usb_pinmap_ovr_isr()
84 pout = pdata->out_pins; in brcmstb_usb_pinmap_ovr_isr()
85 for (x = 0; x < pdata->out_count; x++) { in brcmstb_usb_pinmap_ovr_isr()
86 val = readl(pdata->regs); in brcmstb_usb_pinmap_ovr_isr()
87 if (val & pout->changed_mask) { in brcmstb_usb_pinmap_ovr_isr()
88 pinmap_set(pdata->regs, pout->clr_changed_mask); in brcmstb_usb_pinmap_ovr_isr()
[all …]
/linux/Documentation/sound/designs/
H A Dmidi-2.0.rst12 - Support of Universal MIDI Packet (UMP)
13 - Support of MIDI 2.0 protocol messages
14 - Transparent conversions between UMP and legacy MIDI 1.0 byte stream
15 - MIDI-CI for property and profile configurations
26 MIDI-CI is a high-level protocol that can talk with the MIDI device
31 the encoding/decoding of MIDI protocols on UMP, while MIDI-CI is
32 supported in user-space over the standard SysEx.
65 When a device supports MIDI 2.0, the USB-audio driver probes and uses
69 `midi2_enable=0` option to snd-usb-audio driver module, too.
78 option to snd-usb-audio driver for skipping the UMP v1.1 inquiries.
[all …]
/linux/tools/power/pm-graph/
H A Dsleepgraph.83 sleepgraph \- Suspend/Resume timing analysis
21 Generates output files in subdirectory: suspend-yymmdd-HHMMSS
27 \fB-h\fR
30 \fB-v\fR
33 \fB-verbose\fR
36 \fB-config \fIfile\fR
39 \fB-m \fImode\fR
42 \fB-o \fIname\fR
46 e.g. suspend-{hostnam
[all...]
H A DREADME8 pm-graph: suspend/resume/boot timing analysis tools
11 …Home Page: https://www.intel.com/content/www/us/en/developer/topic-technology/open/pm-graph/overvi…
13 Report bugs/issues at bugzilla.kernel.org Tools/pm-graph
14 - https://bugzilla.kernel.org/buglist.cgi?component=pm-graph&product=Tools
17 - Getting Started:
20 - Feature Summary:
21 https://www.intel.com/content/www/us/en/developer/topic-technology/open/pm-graph/features.html
23 - upstream version in git:
24 git clone https://github.com/intel/pm-graph/
27 - Overview
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/linux/fs/befs/
H A DChangeLog1 Version 0.92 (2002-03-29)
5 Version 0.92 (2002-03-27)
12 Version 0.91 (2002-03-26)
15 Thanks to Laszlo Boszormenyi for pointing this out to me.
17 Version 0.9 (2002-03-14)
22 * Segregated the functions that interface directly with the linux vfs
25 Version 0.64 (2002-02-07)
32 * Andrew Farnham <andrewfarnham@uq.net.au> pointed out that the module
41 * Made a debian package of the source for use with kernel-package. [WD]
44 Version 0.63 (2002-01-31)
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/linux/arch/m68k/ifpsp060/
H A Disp.doc3 M68000 Hi-Performance Microprocessor Division
5 Production Release P1.00 -- October 10, 1994
30 ------------------------------------------------
41 64-bit divide
42 64-bit multiply
50 --------------------
70 -----------------------
73 -----------------
74 | | - 128 byte-sized section
75 (1) | Call-Out | - 4 bytes per entry (user fills these in)
[all …]
/linux/lib/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
15 bool "Automatically choose fastest RAID6 PQ functions"
19 Benchmark all available RAID6 PQ functions on init and choose the
31 converting bitfields between a CPU-usable representation and a
33 - Is little endian (bytes are reversed within a 32-bit group)
34 - The least-significant 32-bit word comes first (within a 64-bit
36 - The most significant bit of a byte is at its right (bit 0 of a
51 please refer to the KUnit documentation in Documentation/dev-tools/kunit/.
62 This option enables the use of hardware bit-reversal instructions on
102 bool "Access I/O in non-MMIO mode"
[all …]
/linux/Documentation/trace/
H A Dftrace-design.rst8 This document is out of date. Some of the description below doesn't
12 ------------
27 -------------
30 - STACKTRACE_SUPPORT - implement save_stack_trace()
31 - TRACE_IRQFLAGS_SUPPORT - implement include/asm/irqflags.h
35 --------------------
37 You will need to implement the mcount and the ftrace_stub functions.
40 "mcount", "_mcount", or even "__mcount". You can probably figure it out by
43 $ echo 'main(){}' | gcc -x c -S -o - - -pg | grep mcount
56 be (semi-)relevant.
[all …]
/linux/Documentation/filesystems/iomap/
H A Dporting.rst1 .. SPDX-License-Identifier: GPL-2.0
27 This worked well enough for direct/indirect-mapped filesystems such
28 as ext2, but is very inefficient for extent-based filesystems such
34 3. Direct access to storage on memory-like devices (fsdax) is only
40 No ->write_begin(), ->write_end() or direct_IO
49 Build the kernel, run fstests with the ``-g all`` option across a wide
53 The recommended approach is first to implement ``->iomap_begin`` (and
54 ``->iomap_end`` if necessary) to allow iomap to obtain a read-only
57 ``get_block()`` function for read-only mappings.
62 other read-only mapping operations will do the right thing.
[all …]
/linux/Documentation/driver-api/
H A Dreset.rst1 .. SPDX-License-Identifier: GPL-2.0-only
13 the `consumer driver interface <#consumer-driver-interface>`__ (`API reference
14 <#reset-consumer-api>`__), which allows peripheral drivers to request control
16 <#reset-controller-driver-interface>`__ (`API reference
17 <#reset-controller-driver-api>`__), which is used by drivers for reset
22 functionality, restart handlers are out of scope for the reset controller API.
25 --------
39 is self-clearing and can be used to trigger a predetermined pulse on the
60 Functions are provided to assert and deassert the controlled reset lines,
71 ---------------------------
[all …]
H A Dmtdnand.rst10 The generic NAND driver supports almost all NAND and AG-AND based chips
31 --------------------------
33 The functions are marked with [XXX] identifiers in the short comment.
34 The identifiers explain the usage and scope of the functions. Following
37 - [MTD Interface]
39 These functions provide the interface to the MTD kernel API. They are
43 - [NAND Interface]
45 These functions are exported and provide the interface to the NAND
48 - [GENERIC]
50 Generic functions are not replaceable and provide functionality which
[all …]
/linux/Documentation/arch/sh/
H A Dnew-machine.rst1 .. SPDX-License-Identifier: GPL-2.0
7 Paul Mundt <lethal@linux-sh.org>
18 of the board-specific code (with the exception of stboards) ended up
19 in arch/sh/kernel/ directly, with board-specific headers ending up in
20 include/asm-sh/. For the new kernel, things are broken out by board type,
24 Board-specific code::
27 |-- arch
28 | `-- sh
29 | `-- boards
30 | |-- adx
[all …]
/linux/kernel/trace/
H A Dtrace_stack.c1 // SPDX-License-Identifier: GPL-2.0
43 " ----- ---- --------\n", in print_max_stack()
50 size = stack_trace_index[i] - stack_trace_index[i+1]; in print_max_stack()
82 * The save_stack_trace() is called returning all the functions it finds in the
89 * Now to figure out how much each of these functions' local variable size is,
95 * ------------------ + -------------------
104 * size = i == nr_entries - 1 ? stack_trace_index[i] :
105 * stack_trace_index[i] - stack_trace_index[i+1]
112 * ----- ---- --------
117 * Now for architectures that might save the return address after the functions
[all …]
/linux/Documentation/process/
H A D4.Coding.rst6 While there is much to be said for a solid and community-oriented design
19 ---------
25 :ref:`Documentation/process/coding-style.rst <codingstyle>`. For much of
38 strangely-formatted code.
43 giving up a degree of control in a number of ways - including control over
49 as a way of getting their name into the kernel changelogs - or both. But
59 80-column limit, for example), just do it.
61 Note that you can also use the ``clang-format`` tool to help you with
62 these rules, to quickly re-format parts of your code automatically,
66 See the file :ref:`Documentation/dev-tools/clang-format.rst <clangformat>`
[all …]
H A Dcoding-style.rst12 First off, I'd suggest printing out a copy of the GNU coding standards,
19 --------------
31 Now, some people will claim that having 8-character indentations makes
33 80-character terminal screen. The answer to that is that if you need
37 In short, 8-char indents make things easier to read, and have the added
38 benefit of warning you when you're nesting your functions too deep.
43 instead of ``double-indenting`` the ``case`` labels. E.g.:
45 .. code-block:: c
67 .. code-block:: c
74 .. code-block:: c
[all …]
/linux/Documentation/dev-tools/kunit/
H A Dusage.rst1 .. SPDX-License-Identifier: GPL-2.0
7 ----------
13 .. code-block:: c
38 .. code-block:: c
59 To learn about more KUnit expectations, see Documentation/dev-tools/kunit/api/test.rst.
69 .. code-block:: c
79 KUNIT_EXPECT_EQ(test, 0, add(-1, 1));
85 KUNIT_EXPECT_EQ(test, -1, add(INT_MAX, INT_MIN));
99 .. code-block:: c
111 for (i = 0; i < TEST_LEN-1; i++)
[all …]
/linux/Documentation/arch/x86/
H A Dsgx.rst1 .. SPDX-License-Identifier: GPL-2.0
13 * Privileged (ring-0) ENCLS functions orchestrate the construction of the
15 * Unprivileged (ring-3) ENCLU functions allow an application to enter and
21 ENCLS functions, only the threads inside the enclave can access its memory. The
38 with an enclave. It is contained in a BIOS-reserved region of physical memory.
49 ------------------
67 ----------------------
76 remain read-only. EPCM permissions may only impose additional restrictions on
87 Enclave build functions
88 -----------------------
[all …]
/linux/drivers/media/common/saa7146/
H A Dsaa7146_i2c.c1 // SPDX-License-Identifier: GPL-2.0
4 #include <media/drv-intf/saa7146_vv.h>
8 /* DEB_I2C("'%s'\n", adapter->name); */ in saa7146_i2c_func()
16 /* this function returns the status-register of our i2c-device */
24 /* this function runs through the i2c-messages and prepares the data to be
26 to understand this. it returns the number of u32s to send, or -1
41 mem = 1 + ((mem-1) / 3); in saa7146_i2c_msg_prepare()
47 /* DEB_I2C("cannot prepare i2c-message\n"); */ in saa7146_i2c_msg_prepare()
48 return -ENOMEM; in saa7146_i2c_msg_prepare()
51 /* be careful: clear out the i2c-mem first */ in saa7146_i2c_msg_prepare()
[all …]
/linux/net/vmw_vsock/
H A Daf_vsock_tap.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Tap functions for AF_VSOCK sockets.
5 * Code based on net/netlink/af_netlink.c tap functions.
19 if (unlikely(vt->dev->type != ARPHRD_VSOCKMON)) in vsock_add_tap()
20 return -EINVAL; in vsock_add_tap()
22 __module_get(vt->module); in vsock_add_tap()
25 list_add_rcu(&vt->list, &vsock_tap_all); in vsock_add_tap()
41 list_del_rcu(&vt->list); in vsock_remove_tap()
43 goto out; in vsock_remove_tap()
48 out: in vsock_remove_tap()
[all …]
/linux/drivers/gpu/drm/i915/display/
H A Dintel_display_core.h1 /* SPDX-License-Identifier: MIT */
65 * fills out the pipe-config with the hw state.
80 /* functions used for watermark calcs for display. */
193 * if we get a HPD irq from DP and a HPD irq from non-DP
194 * the non-DP HPD could block the workqueue on a mode config
197 * blocked behind the non-DP one.
275 * protects * intel_crtc->wm.active and
276 * crtc_state->wm.need_postvbl_update.
290 /* Display functions */
292 /* Top level crtc-ish functions */
[all …]
/linux/rust/kernel/
H A Derror.rs1 // SPDX-License-Identifier: GPL-2.0
5 //! C header: [`include/uapi/asm-generic/errno-base.h`](srctree/include/uapi/asm-generic/errno-base.h)
16 /// Contains the C-compatible error codes.
25 match super::Error::try_from_errno(-(crate::bindings::$err as i32)) {
43 declare_err!(ENOMEM, "Out o
[all...]
/linux/Documentation/sphinx/
H A Dkerneldoc.py1 # coding=utf-8
21 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
47 """Extract kernel-doc comments from the specified file"""
55 'no-identifiers': directives.unchanged,
56 'functions': directives.unchanged,
62 cmd = [env.config.kerneldoc_bin, '-rst', '-enable-lineno']
64 # Pass the version string to kernel-doc, as it needs to use a different
67 cmd += ['-sphinx-version', sphinx.__version__]
75 tab_width = self.options.get('tab-width', self.state.document.settings.tab_width)
78 if 'functions' in self.options:
[all …]
/linux/include/net/sctp/
H A Dsm.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
4 * Copyright (c) 1999-2000 Cisco, Inc.
5 * Copyright (c) 1999-2001 Motorola, Inc.
14 * lksctp developers <linux-sctp@vger.kernel.org>
44 SCTP_DISPOSITION_NOMEM, /* We ran out of memory--recover. */
66 /* A naming convention of "sctp_sf_xxx" applies to all the state functions
70 /* Prototypes for generic state functions. */
74 /* Prototypes for gener timer state functions. */
77 /* Prototypes for chunk state functions. */
125 /* Prototypes for primitive event state functions. */
[all …]

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