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/linux-6.8/Documentation/devicetree/bindings/net/
Dti,k3-am654-cpts.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/net/ti,k3-am654-cpts.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Grygorii Strashko <grygorii.strashko@ti.com>
11 - Sekhar Nori <nsekhar@ti.com>
17 - selection of multiple external clock sources
18 - Software control of time sync events via interrupt or polling
19 - 64-bit timestamp mode in ns with PPM and nudge adjustment.
20 - hardware timestamp push inputs (HWx_TS_PUSH)
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Dti,icssg-prueth.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/net/ti,icssg-prueth.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Md Danish Anwar <danishanwar@ti.com>
13 Ethernet based on the Programmable Real-Time Unit and Industrial
17 - $ref: /schemas/remoteproc/ti,pru-consumer.yaml#
22 - ti,am642-icssg-prueth # for AM64x SoC family
23 - ti,am654-icssg-prueth # for AM65x SoC family
33 dma-names:
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/linux-6.8/Documentation/devicetree/bindings/timestamp/
Dhte-consumer.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/timestamp/hte-consumer.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Dipen Patel <dipenp@nvidia.com>
16 $ref: /schemas/types.yaml#/definitions/phandle-array
23 timestamp-names:
24 $ref: /schemas/types.yaml#/definitions/string-array
27 timestamp property.
30 timestamp-names: [ timestamps ]
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/linux-6.8/drivers/hte/
Dhte.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2021-2022 NVIDIA Corporation
32 * struct hte_ts_info - Information related to requested timestamp.
34 * @xlated_id: Timestamp ID as understood between HTE subsys and HTE provider,
38 * @seq: Timestamp sequence counter.
47 * @req_mlock: Lock during timestamp request/release APIs.
49 * @gdev: HTE abstract device that this timestamp information belongs to.
71 * struct hte_device - HTE abstract device
79 * @ei: Timestamp information.
107 const struct hte_chip *chip = gdev->chip; in hte_chip_dbgfs_init()
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Dhte-tegra194-test.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2021-2022 NVIDIA Corporation
20 * hardware timestamp on gpio_in and specified LIC IRQ lines.
29 * compatible = "nvidia,tegra194-hte-test";
30 * in-gpio = <&gpio_aon TEGRA194_AON_GPIO(BB, 1)>;
31 * out-gpio = <&gpio_aon TEGRA194_AON_GPIO(BB, 0)>;
34 * timestamp-names = "hte-gpio", "hte-i2c-irq";
39 * - Load test driver.
40 * - For the GPIO, at regular interval gpio_out pin toggles triggering
43 * - For the LIC IRQ line, it uses 0x19 interrupt which is i2c controller 1.
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/linux-6.8/drivers/firewire/
Dcore-transaction.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (C) 2004-2006 Kristian Hoegsberg <krh@bitplanet.net>
13 #include <linux/firewire-constants.h>
67 if (t->is_split_transaction) in try_cancel_split_timeout()
68 return del_timer(&t->split_timeout_timer); in try_cancel_split_timeout()
79 spin_lock_irqsave(&card->lock, flags); in close_transaction()
80 list_for_each_entry(iter, &card->transaction_list, link) { in close_transaction()
83 spin_unlock_irqrestore(&card->lock, flags); in close_transaction()
86 list_del_init(&iter->link); in close_transaction()
87 card->tlabel_mask &= ~(1ULL << iter->tlabel); in close_transaction()
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/linux-6.8/Documentation/trace/
Dmmiotrace.rst2 In-kernel memory-mapped I/O tracing
11 Injection Test Harness. In Dec 2006 - Jan 2007, using the code from Intel,
15 Mmiotrace was built for reverse engineering any memory-mapped IO device with
19 Out-of-tree mmiotrace was originally modified for mainline inclusion and
24 -----------
29 is on-line, therefore mmiotrace takes all but one CPU off-line during run-time
30 activation. You can re-enable CPUs by hand, but you have been warned, there
35 ---------------------
38 $ mount -t debugfs debugfs /sys/kernel/debug
48 -----
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/linux-6.8/Documentation/filesystems/
Dvfat.rst10 mount -t vfat /dev/fd0 /mnt
42 **-20**: If current process is in group of file's group ID,
43 you can change timestamp.
45 **-2**: Other users can change timestamp.
69 There is also an option of doing UTF-8 translations
76 UTF-8 is the filesystem safe version of Unicode that
79 If 'uni_xlate' gets set, UTF-8 gets disabled.
152 from each timestamp to convert it to UTC used internally by
156 cases in presence of DST - time stamps in a different DST
176 FAT has the ATTR_RO (read-only) attribute. On Windows,
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/linux-6.8/Documentation/kbuild/
Dreproducible-builds.rst17 ----------
30 By default the timestamp is the current time and in the case of
37 code that does use these, you must override the timestamp they
42 ----------
44 The kernel embeds the building user and host names in
50 ------------------
52 When the kernel is built out-of-tree, debug information may include
54 including the ``-fdebug-prefix-map`` option in the `KCFLAGS`_ variable.
57 to an absolute filename in an out-of-tree build. Kbuild automatically
58 uses the ``-fmacro-prefix-map`` option to prevent this, if it is
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/linux-6.8/scripts/dtc/
Dof_unittest_expect2 # SPDX-License-Identifier: GPL-2.0
40 $expect =~ s/^.*?>>//; # '?' is non-greedy, minimal match
54 if ($got =~ /^[+-]*[0-9]+/) {
55 $got =~ s/^[+-]*[0-9]+//;
60 if ($got =~ /^(0x)*[0-9a-f]+/) {
61 $got =~ s/^(0x)*[0-9a-f]+//;
100 -h print program usage
101 --help print program usage
102 --hide-expect suppress output of EXPECTed lines
103 --line-num report line number of CONSOLE_LOG
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/linux-6.8/arch/nios2/boot/dts/
D10m50_devboard.dts1 // SPDX-License-Identifier: GPL-2.0-only
6 /dts-v1/;
10 compatible = "altr,niosii-max10";
11 #address-cells = <1>;
12 #size-cells = <1>;
15 #address-cells = <1>;
16 #size-cells = <0>;
20 compatible = "altr,nios2-1.1";
22 interrupt-controller;
23 #interrupt-cells = <1>;
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/linux-6.8/drivers/accel/ivpu/
Dvpu_boot_api.h1 /* SPDX-License-Identifier: MIT */
3 * Copyright (C) 2020-2023 Intel Corporation
12 * fw_bin_header->api_version[VPU_BOOT_API_VER_ID] = (VPU_BOOT_API_VER_MAJOR << 16) |
33 * API header changed (field names, documentation, formatting) but API itself has not been changed
42 /* ------------ FW API version information end ---------------------*/
73 /* Space reserved for future preemption-related fields. */
194 /* Clock frequencies: 0x20 - 0xFF */
199 /* Memory regions: 0x100 - 0x1FF */
219 /* IRQ re-direct numbers: 0x200 - 0x2FF */
222 /* ARM -> VPU doorbell interrupt. ARM is notifying VPU of async command or compute job. */
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/linux-6.8/Documentation/trace/coresight/
Dcoresight.rst2 Coresight - HW Assisted Tracing on ARM
9 ------------
38 0 CPU 0<-->: C : 0 CPU 0<-->: C : : C : @ STM @ || System ||
39 |->0000000 : T : |->0000000 : T : : T :<--->@@@@@ || Memory ||
40 | #######<-->: I : | #######<-->: I : : I : @@@<-| ||||||||||||
43 | |->### | ! | |->### | ! | ! . | || DAP ||
49 *****************************************************************<-|
63 | * ===== F =====<---------|
65 |-->:: CTI ::<!! === N ===
69 |------>&& ETB &&<......II I =======
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/linux-6.8/Documentation/devicetree/bindings/timer/
Dnvidia,tegra-timer.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/timer/nvidia,tegra-timer.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Stephen Warren <swarren@nvidia.com>
13 - if:
17 const: nvidia,tegra210-timer
27 - if:
31 - items:
32 - enum:
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/linux-6.8/tools/thermal/thermometer/
Dthermometer.82 # SPDX-License-Identifier: GPL-2.0
4 \fBthermometer\fP - A thermal profiling tool
23 the thermal zone names and the desired sampling period. A thermal zone
44 The \fB-h, --help\fP option shows a short usage help
46 The \fB-o <dir>, --output <dir>\fP option defines the output directory to put the
49 The \fB-c <config>, --config <config>\fP option specifies the configuration file to use
51 The \fB-d <seconds>, --duration <seconds>\fP option specifies the duration of the capture
53 The \fB-l <loglevel>, --loglevel <loglevel>\fP option sets the loglevel [DEBUG,INFO,NOTICE,WARN,ERR…
55 The \fB-p <string>, --postfix <string>\fP option appends \fBstring\fP at the end of the capture fil…
57 The \fB-s, --syslog\fP option sets the output to syslog, default is \fBstdout\fP
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/linux-6.8/arch/arm/boot/dts/nxp/imx/
Dimx7d-flex-concentrator.dts1 // SPDX-License-Identifier: GPL-2.0
9 /dts-v1/;
11 #include "imx7d-tqma7.dtsi"
14 /delete-node/ &ds1339;
18 compatible = "kam,imx7d-flex-concentrator", "fsl,imx7d";
22 /* 1024 MB - TQMa7D board configuration */
26 reg_usb_otg2_vbus: regulator-usb-otg2-vbus {
27 compatible = "regulator-fixed";
28 regulator-name = "VBUS_USBOTG2";
29 regulator-min-microvolt = <5000000>;
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/linux-6.8/drivers/firmware/arm_scmi/
Dsensors.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2018-2022 ARM Ltd.
8 #define pr_fmt(fmt) "SCMI Notifications SENSOR - " fmt
232 ret = ph->xops->xfer_get_init(ph, PROTOCOL_ATTRIBUTES, in scmi_sensor_attributes_get()
237 attr = t->rx.buf; in scmi_sensor_attributes_get()
239 ret = ph->xops->do_xfer(ph, t); in scmi_sensor_attributes_get()
241 si->num_sensors = le16_to_cpu(attr->num_sensors); in scmi_sensor_attributes_get()
242 si->max_requests = attr->max_requests; in scmi_sensor_attributes_get()
243 si->reg_addr = le32_to_cpu(attr->reg_addr_low) | in scmi_sensor_attributes_get()
244 (u64)le32_to_cpu(attr->reg_addr_high) << 32; in scmi_sensor_attributes_get()
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/linux-6.8/tools/perf/Documentation/
Dperf-diff.txt1 perf-diff(1)
5 ----
6 perf-diff - Read perf.data files and display the differential profile
9 --------
14 -----------
29 -------
30 -D::
31 --dump-raw-trace::
34 --kallsyms=<file>::
37 -m::
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/linux-6.8/drivers/net/dsa/ocelot/
Dfelix.h1 /* SPDX-License-Identifier: GPL-2.0 */
20 /* Platform-specific information */
25 /* Names of the mandatory resources that will be requested during
52 * with the RX timestamp.
71 * for "ocelot-8021q").
87 /* DSA glue / front-end for struct ocelot */
/linux-6.8/include/linux/
Dtcp.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
31 return th->doff * 4; in __tcp_hdrlen()
46 return inner_tcp_hdr(skb)->doff * 4; in inner_tcp_hdrlen()
50 * skb_tcp_all_headers - Returns size of all headers for a TCP packet
65 * skb_inner_tcp_all_headers - Returns size of all headers for an encap TCP packet
70 * if (skb_is_gso(skb) && skb->encapsulation) {
81 return (tcp_hdr(skb)->doff - 5) * 4; in tcp_optlen()
117 u16 saw_tstamp : 1, /* Saw TIMESTAMP on last packet */
118 tstamp_ok : 1, /* TIMESTAMP seen on SYN packet */
119 dsack : 1, /* D-SACK is scheduled */
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Dpstore.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Persistent Storage - pstore.h
35 /* PPC64-specific partition types */
51 * struct pstore_record - details of a pstore record entry
54 * @id: per-type unique identifier for record
55 * @time: timestamp of the record
61 * kfree()d by the pstore core if non-NULL
89 * struct pstore_info - backend pstore driver structure
109 * @data: backend-private pointer passed back during callbacks
119 * Returns 0 on success, and non-zero on error.
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/linux-6.8/drivers/iio/accel/
Dbmc150-accel-core.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * 3-axis accelerometer driver supporting many Bosch-Sensortec chips
26 #include "bmc150-accel.h"
212 struct device *dev = regmap_get_device(data->regmap); in bmc150_accel_set_mode()
216 int dur_val = -1; in bmc150_accel_set_mode()
231 return -EINVAL; in bmc150_accel_set_mode()
238 ret = regmap_write(data->regmap, BMC150_ACCEL_REG_PMU_LPW, lpw_bits); in bmc150_accel_set_mode()
256 ret = regmap_write(data->regmap, in bmc150_accel_set_bw()
262 data->bw_bits = in bmc150_accel_set_bw()
268 return -EINVAL; in bmc150_accel_set_bw()
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/linux-6.8/drivers/gpu/drm/msm/disp/
Dmsm_disp_snapshot.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
20 #include <linux/dma-buf.h>
38 * struct msm_disp_state - structure to store current dpu state
42 * @time: timestamp at which the coredump was captured
56 * struct msm_disp_state_block - structure to store each hardware block state
72 * msm_disp_snapshot_init - initialize display snapshot
75 * Returns: 0 or -ERROR
80 * msm_disp_snapshot_destroy - destroy the display snapshot
88 * msm_disp_snapshot_state_sync - synchronously snapshot display state
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/linux-6.8/drivers/accel/habanalabs/common/
Dhabanalabs.h1 /* SPDX-License-Identifier: GPL-2.0
3 * Copyright 2016-2023 HabanaLabs, Ltd.
19 #include <linux/dma-direction.h>
28 #include <linux/io-64-nonatomic-lo-hi.h>
30 #include <linux/dma-buf.h>
45 * bits[63:59] - Encode mmap type
46 * bits[45:0] - mmap offset value
51 #define HL_MMAP_TYPE_SHIFT (59 - PAGE_SHIFT)
110 * enum hl_mmu_page_table_location - mmu page table location
111 * @MMU_DR_PGT: page-table is located on device DRAM.
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/linux-6.8/scripts/
Dlink-vmlinux.sh2 # SPDX-License-Identifier: GPL-2.0
9 # (not within --whole-archive), and do not require symbol indexes added.
14 # +--< vmlinux.a
16 # +--< $(KBUILD_VMLINUX_LIBS)
17 # | +--< lib/lib.a + more
19 # +-< ${kallsymso} (see description in KALLSYMS section)
21 # vmlinux version (uname -v) cannot be updated during normal
22 # descending-into-subdirs phase since we do not yet know if we need to
29 set -e
36 grep -q "^$1=y" include/config/auto.conf
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