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/linux-6.12.1/Documentation/w1/slaves/
Dw1_therm.rst16 -----------
18 w1_therm provides basic temperature conversion for ds18*20, ds28ea00, GX20MH01
32 read sequence will initiate a temperature conversion, then provide two
46 in the module), it will drive the line high during the longer conversion
48 ``therm_bulk_read`` will return 0 if no bulk conversion pending,
49 -1 if at least one sensor still in conversion, 1 if conversion is complete
52 may return empty if conversion is still in progress. Note that if a bulk
57 A strong pullup will be applied during the conversion if required.
59 ``conv_time`` is used to get current conversion time (read), and
60 adjust it (write). A temperature conversion time depends on the device type and
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/linux-6.12.1/Documentation/devicetree/bindings/iio/temperature/
Dadi,ltc2983.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Analog Devices LTC2983, LTC2986, LTM2985 Multi-sensor Temperature system
10 - Nuno Sá <nuno.sa@analog.com>
13 Analog Devices LTC2983, LTC2984, LTC2986, LTM2985 Multi-Sensor Digital
16 https://www.analog.com/media/en/technical-documentation/data-sheets/2983fc.pdf
17 https://www.analog.com/media/en/technical-documentation/data-sheets/2984fb.pdf
18 https://www.analog.com/media/en/technical-documentation/data-sheets/29861fa.pdf
19 https://www.analog.com/media/en/technical-documentation/data-sheets/ltm2985.pdf
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/linux-6.12.1/Documentation/hwmon/
Dpc87360.rst18 Thanks to Rudolf Marek for helping me investigate conversion issues.
22 -----------------
27 - 0: None
28 - **1**: Forcibly enable internal voltage and temperature channels,
30 - 2: Forcibly enable all voltage and temperature channels, except in9
31 - 3: Forcibly enable all voltage and temperature channels, including in9
42 -----------
49 hardware monitoring chipsets, not only controlling and monitoring three fans,
56 PC87360 - 2 2 - 0xE1
57 PC87363 - 2 2 - 0xE8
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/linux-6.12.1/Documentation/devicetree/bindings/input/
Dazoteq,iqs7222.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jeff LaBundy <jeff@labundy.com>
21 - azoteq,iqs7222a
22 - azoteq,iqs7222b
23 - azoteq,iqs7222c
24 - azoteq,iqs7222d
29 irq-gpios:
32 Specifies the GPIO connected to the device's active-low RDY output.
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/linux-6.12.1/kernel/time/
Dtimekeeping.c1 // SPDX-License-Identifier: GPL-2.0
28 #include "tick-internal.h"
63 * struct tk_fast - NMI safe timekeeper
76 /* Suspend-time cycles value for halted fast timekeeper. */
93 * returns nanoseconds already so no conversion is required, hence mult=1
119 while (tk->tkr_mono.xtime_nsec >= ((u64)NSEC_PER_SEC << tk->tkr_mono.shift)) { in tk_normalize_xtime()
120 tk->tkr_mono.xtime_nsec -= (u64)NSEC_PER_SEC << tk->tkr_mono.shift; in tk_normalize_xtime()
121 tk->xtime_sec++; in tk_normalize_xtime()
123 while (tk->tkr_raw.xtime_nsec >= ((u64)NSEC_PER_SEC << tk->tkr_raw.shift)) { in tk_normalize_xtime()
124 tk->tkr_raw.xtime_nsec -= (u64)NSEC_PER_SEC << tk->tkr_raw.shift; in tk_normalize_xtime()
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/linux-6.12.1/drivers/iio/temperature/
Dltc2983.c1 // SPDX-License-Identifier: GPL-2.0
3 * Analog Devices LTC2983 Multi-Sensor Digital Temperature Measurement System
60 (((chan - 1) * 4) + LTC2983_CHAN_ASSIGN_START_REG)
62 (((chan - 1) * 4) + LTC2983_TEMP_RES_START_REG)
312 * instance a resolution of 2^-10 means we have 10 fractional bits.
326 s64 __res = -(s32)val; in __convert_to_raw_sign()
330 return (u32)-__res; in __convert_to_raw_sign()
337 const struct device *dev = &st->spi->dev; in __ltc2983_fault_handler()
340 dev_err(dev, "Invalid conversion: Sensor HARD fault\n"); in __ltc2983_fault_handler()
341 return -EIO; in __ltc2983_fault_handler()
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/linux-6.12.1/drivers/net/ethernet/intel/ice/
Dice_ptp_hw.c1 // SPDX-License-Identifier: GPL-2.0
25 { "CVL-SDP22", ZL_REF0P, DPLL_PIN_TYPE_INT_OSCILLATOR,
27 { "CVL-SDP20", ZL_REF0N, DPLL_PIN_TYPE_INT_OSCILLATOR,
29 { "C827_0-RCLKA", ZL_REF1P, DPLL_PIN_TYPE_MUX, 0, },
30 { "C827_0-RCLKB", ZL_REF1N, DPLL_PIN_TYPE_MUX, 0, },
35 { "GNSS-1PPS", ZL_REF4P, DPLL_PIN_TYPE_GNSS,
40 { "CVL-SDP22", ZL_REF0P, DPLL_PIN_TYPE_INT_OSCILLATOR,
42 { "CVL-SDP20", ZL_REF0N, DPLL_PIN_TYPE_INT_OSCILLATOR,
44 { "C827_0-RCLKA", ZL_REF1P, DPLL_PIN_TYPE_MUX, },
45 { "C827_0-RCLKB", ZL_REF1N, DPLL_PIN_TYPE_MUX, },
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/linux-6.12.1/Documentation/filesystems/xfs/
Dxfs-online-fsck-design.rst1 .. SPDX-License-Identifier: GPL-2.0
8 Heading 3 uses "----"
25 - To help kernel distributors understand exactly what the XFS online fsck
28 - To help people reading the code to familiarize themselves with the relevant
31 - To help developers maintaining the system by capturing the reasons
59 - Provide a hierarchy of names through which application programs can associate
62 - Virtualize physical storage media across those names, and
64 - Retrieve the named data blobs at any time.
66 - Examine resource usage.
79 cross-references different types of metadata records with each other to look
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/linux-6.12.1/drivers/gpu/drm/display/
Ddrm_dp_helper.c76 return link_status[r - DP_LANE0_1_STATUS]; in dp_link_status()
230 drm_dbg_kms(aux->drm_dev, "%s: invalid AUX interval 0x%02x (max 4)\n", in __8b10b_clock_recovery_delay_us()
231 aux->name, rd_interval); in __8b10b_clock_recovery_delay_us()
242 drm_dbg_kms(aux->drm_dev, "%s: invalid AUX interval 0x%02x (max 4)\n", in __8b10b_channel_eq_delay_us()
243 aux->name, rd_interval); in __8b10b_channel_eq_delay_us()
255 drm_dbg_kms(aux->drm_dev, "%s: invalid AUX interval 0x%02x\n", in __128b132b_channel_eq_delay_us()
256 aux->name, rd_interval); in __128b132b_channel_eq_delay_us()
278 * - Clock recovery vs. channel equalization
279 * - DPRX vs. LTTPR
280 * - 128b/132b vs. 8b/10b
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/linux-6.12.1/tools/lib/bpf/
Dbtf.c1 // SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
34 /* raw BTF data in non-native endianness */
46 * +--------------------------------+
48 * +--------------------------------+
52 * types_data-+ |
53 * strs_data------------+
57 * representation is broken up into three independently allocated
64 * +----------+ +---------+ +-----------+
66 * +----------+ +---------+ +-----------+
70 * types_data----+ |
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/linux-6.12.1/drivers/media/dvb-frontends/drx39xyj/
Ddrx_driver.h2 Copyright (c), 2004-2005,2007-2010 Trident Microsystems, Inc.
59 /*------------------------------------------------------------------------------
61 ------------------------------------------------------------------------------*/
68 * \retval -EIO Initialization failed.
77 * \retval -EIO Termination failed.
97 * \retval -EIO Failure.
98 * \retval -EINVAL Parameter 'wcount' is not zero but parameter
132 #define TUNER_MODE_SUB0 0x0001 /* for sub-mode (e.g. RF-AGC setting) */
133 #define TUNER_MODE_SUB1 0x0002 /* for sub-mode (e.g. RF-AGC setting) */
134 #define TUNER_MODE_SUB2 0x0004 /* for sub-mode (e.g. RF-AGC setting) */
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Ddrxj.c2 Copyright (c), 2004-2005,2007-2010 Trident Microsystems, Inc.
52 /*-----------------------------------------------------------------------------
54 ----------------------------------------------------------------------------*/
75 #define DRX39XX_MAIN_FIRMWARE "dvb-fe-drxj-mc-1.0.8.fw"
201 /*-----------------------------------------------------------------------------
203 ----------------------------------------------------------------------------*/
205 /*-----------------------------------------------------------------------------
207 ----------------------------------------------------------------------------*/
209 #define DRXJ_WAKE_UP_KEY (demod->my_i2c_dev_addr->i2c_addr)
438 #define AUD_VOLUME_DB_MIN -60
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/linux-6.12.1/kernel/cgroup/
Dcpuset.c7 * Copyright (C) 2004-2007 Silicon Graphics, Inc.
11 * sysfs is Copyright (c) 2001-3 Patrick Mochel
13 * 2003-10-10 Written by Simon Derr.
14 * 2003-10-22 Updates by Stephen Hemminger.
15 * 2004 May-July Rework by Paul Jackson.
24 #include "cgroup-internal.h"
25 #include "cpuset-internal.h"
50 * node binding, add this key to provide a quick low-cost judgment
68 * Exclusive CPUs distributed out to sub-partitions of top_cpuset
96 * 0 - member (not a partition root)
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/linux-6.12.1/block/
Dbfq-iosched.c1 // SPDX-License-Identifier: GPL-2.0-or-later
16 * BFQ is a proportional-share I/O scheduler, with some extra
17 * low-latency capabilities. BFQ also supports full hierarchical
20 * limitations can be found in Documentation/block/bfq-iosched.rst.
22 * BFQ is a proportional-share storage-I/O scheduling algorithm based
23 * on the slice-by-slice service scheme of CFQ. But BFQ assigns
25 * time slices. The device is not granted to the in-service process
31 * B-WF2Q+, to schedule processes according to their budgets. More
33 * process/queue is assigned a user-configurable weight, and B-WF2Q+
36 * B-WF2Q+, BFQ can afford to assign high budgets to I/O-bound
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/linux-6.12.1/arch/powerpc/crypto/
Daesp8-ppc.pl2 # SPDX-License-Identifier: GPL-2.0
12 # Copyright (c) 2006-2017, CRYPTOGAMS by <appro@openssl.org>
58 # The module is endian-agnostic in sense that it supports both big-
59 # and little-endian cases. Data alignment in parallelizable modes is
64 # is aligned programmatically, which in turn guarantees exception-
72 # Add XTS subroutine, 9x on little- and 12x improvement on big-endian
76 # Current large-block performance in cycles per byte processed with
77 # 128-bit key (less is better).
79 # CBC en-/decrypt CTR XTS
106 ( $xlate="${dir}ppc-xlate.pl" and -f $xlate ) or
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/linux-6.12.1/include/uapi/linux/
Dnl80211.h6 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
13 * Copyright 2015-2017 Intel Deutschland GmbH
14 * Copyright (C) 2018-2024 Intel Corporation
32 * be careful not to break things - i.e. don't move anything around or so
74 * - a setup station entry is added, not yet authorized, without any rate
76 * - when the TDLS setup is done, a single NL80211_CMD_SET_STATION is valid
79 * - %NL80211_TDLS_ENABLE_LINK is then used
80 * - after this, the only valid operation is to remove it by tearing down
95 * Frame registration is done on a per-interface basis and registrations
137 * software, like the AP-VLAN type in mac80211 for example, there's
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/linux-6.12.1/kernel/sched/
Dcore.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * Copyright (C) 1991-2002 Linus Torvalds
8 * Copyright (C) 1998-2024 Ingo Molnar, Red Hat
72 # include <linux/entry-common.h>
97 #include "../../io_uring/io-wq.h"
163 if (p->sched_class == &stop_sched_class) /* trumps deadline */ in __task_prio()
164 return -2; in __task_prio()
166 if (p->dl_server) in __task_prio()
167 return -1; /* deadline */ in __task_prio()
169 if (rt_or_dl_prio(p->prio)) in __task_prio()
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/linux-6.12.1/kernel/bpf/
Dverifier.c1 // SPDX-License-Identifier: GPL-2.0-only
2 /* Copyright (c) 2011-2014 PLUMgrid, http://plumgrid.com
7 #include <linux/bpf-cgroup.h>
23 #include <linux/error-injection.h>
54 * The first pass is depth-first-search to check that the program is a DAG.
56 * - larger than BPF_MAXINSNS insns
57 * - if loop is present (detected via back-edge)
58 * - unreachable insns exist (shouldn't be a forest. program = one function)
59 * - out of bounds or malformed jumps
71 * All registers are 64-bit.
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