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/linux/Documentation/ABI/testing/
H A Dsysfs-driver-intc_sar7 Specific Absorption Rate (SAR) regulatory mode is typically
11 the current SAR regulatory mode on the Dynamic SAR driver using
13 this sysfs node, the currently configured regulatory mode value
14 from the Dynamic SAR driver.
23 - The regulatory mode value has one of the above values.
24 - The default regulatory mode used in the driver is 0.
32 This sysfs entry is used to retrieve Dynamic SAR information
33 emitted/maintained by a BIOS that supports Dynamic SAR.
36 - device_mode
37 - bandtable_index
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H A Dsysfs-bus-i3c1 What: /sys/bus/i3c/devices/i3c-<bus-id>
3 Contact: linux-i3c@vger.kernel.org
5 An I3C bus. This directory will contain one sub-directory per
8 What: /sys/bus/i3c/devices/i3c-<bus-id>/current_master
10 Contact: linux-i3c@vger.kernel.org
12 Expose the master that owns the bus (<bus-id>-<master-pid>) at
17 What: /sys/bus/i3c/devices/i3c-<bus-id>/mode
19 Contact: linux-i3c@vger.kernel.org
21 I3C bus mode. Can be "pure", "mixed-fast" or "mixed-slow". See
25 What: /sys/bus/i3c/devices/i3c-<bus-id>/i3c_scl_frequency
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/linux/Documentation/driver-api/i3c/
H A Dprotocol.rst1 .. SPDX-License-Identifier: GPL-2.0
17 https://resources.mipi.org/mipi-i3c-v1-download).
22 The I3C (pronounced 'eye-three-see') is a MIPI standardized protocol designed
25 while remaining power-efficient.
42 I3C is a multi-master protocol, so there might be several masters on a bus,
46 Each device on the I3C bus has to be assigned a dynamic address to be able to
51 In addition to these per-device addresses, the protocol defines a broadcast
54 Once a dynamic address has been assigned to a device, this address will be used
56 assigned a dynamic address, the device should still process broadcast messages.
65 The discovery mechanism is called DAA (Dynamic Address Assignment), because it
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/linux/Documentation/timers/
H A Dhighres.rst2 High resolution timers and dynamic ticks design notes
8 https://www.kernel.org/doc/ols/2006/ols2006v1-pages-333-346.pdf
11 http://www.cs.columbia.edu/~nahum/w6998/papers/ols2006-hrtimers-slides.pdf
23 - hrtimer base infrastructure
24 - timeofday and clock source management
25 - clock event management
26 - high resolution timer functionality
27 - dynamic ticks
31 ---------------------------
40 - time ordered enqueueing into a rb-tree
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/linux/Documentation/power/regulator/
H A Dconsumer.rst9 1. Consumer Regulator Access (static & dynamic drivers)
35 2. Regulator Output Enable & Disable (static & dynamic drivers)
72 3. Regulator Voltage Control & Status (dynamic drivers)
103 4. Regulator Current Limit Control & Status (dynamic drivers)
134 5. Regulator Operating Mode Control & Status (dynamic drivers)
137 Some consumers can further save system power by changing the operating mode of
141 Regulator operating mode can be changed indirectly or directly.
143 Indirect operating mode control.
144 --------------------------------
145 Consumer drivers can request a change in their supply regulator operating mode
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/linux/Documentation/devicetree/bindings/i3c/
H A Di3c.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Alexandre Belloni <alexandre.belloni@bootlin.com>
11 - Miquel Raynal <miquel.raynal@bootlin.com>
20 pattern: "^i3c@[0-9a-f]+$"
22 "#address-cells":
27 All I3C devices are supposed to support DAA (Dynamic Address Assignment),
36 specific I3C dynamic address before the DAA takes place (so that other
37 devices on the bus can't take this dynamic address).
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/linux/include/linux/i3c/
H A Dmaster.h1 /* SPDX-License-Identifier: GPL-2.0 */
39 * struct i3c_i2c_dev_desc - Common part of the I3C/I2C device descriptor
62 * struct i2c_dev_boardinfo - I2C device board information
68 * This structure is used to attach board-level information to an I2C device.
78 * struct i2c_dev_desc - I2C device descriptor
87 * using &struct_i3c_master_controller->ops->attach_i2c_dev().
101 * struct i3c_ibi_slot - I3C IBI (In-Band Interrupt) slot
108 * An IBI slot is an object pre-allocated by the controller and used when an
115 * simple kmalloc-based allocation, the generic IBI slot pool can be used.
125 * struct i3c_device_ibi_info - IBI information attached to a specific device
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H A Dccc.h1 /* SPDX-License-Identifier: GPL-2.0 */
30 /* Broadcast-only commands */
36 /* Unicast-only commands */
56 * struct i3c_ccc_events - payload passed to ENEC/DISEC CCC
69 * struct i3c_ccc_mwl - payload passed to SETMWL/GETMWL CCC
81 * struct i3c_ccc_mrl - payload passed to SETMRL/GETMRL CCC
97 * struct i3c_ccc_dev_desc - I3C/I2C device descriptor used for DEFSLVS
99 * @dyn_addr: dynamic address assigned to the I3C slave or 0 if the entry is
121 * struct i3c_ccc_defslvs - payload passed to DEFSLVS CCC
139 * enum i3c_ccc_test_mode - enum listing all available test modes
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/linux/drivers/i2c/busses/
H A Di2c-xiic.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * i2c-xiic.c
4 * Copyright (c) 2002-2007 Xilinx Inc.
5 * Copyright (c) 2009-2010 Intel Corporation
27 #include <linux/platform_data/i2c-xiic.h>
34 #define DRIVER_NAME "xiic-i2c"
56 * struct xiic_i2c - Internal representation of the XIIC I2C bus
67 * @endianness: big/little-endian byte order
68 * @clk: Pointer to AXI4-lite input clock
71 * @dynamic: Mode of controller
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/linux/drivers/memory/samsung/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
11 tristate "Exynos5422 Dynamic Memory Controller driver"
17 This adds driver for Samsung Exynos5422 SoC DMC (Dynamic Memory
18 Controller). The driver provides support for Dynamic Voltage and
29 in basic operation mode only saves and restores SROM registers
/linux/Documentation/devicetree/bindings/clock/
H A Dcirrus,cs2000-cp.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/clock/cirrus,cs2000-cp.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: CIRRUS LOGIC Fractional-N Clock Synthesizer & Clock Multiplier
10 - Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
13 The CS2000-CP is an extremely versatile system clocking device that
21 - cirrus,cs2000-cp
28 clock-names:
30 - const: clk_in
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/linux/lib/
H A DKconfig.kasan1 # SPDX-License-Identifier: GPL-2.0-only
3 # This config refers to the generic KASAN mode.
23 def_bool $(cc-option, -fsanitize=kernel-address)
26 def_bool $(cc-option, -fsanitize=kernel-hwaddress)
35 bool "KASAN: dynamic memory safety error detector"
43 Enables KASAN (Kernel Address Sanitizer) - a dynamic memory safety
44 error detector designed to find out-of-bounds and use-after-free bugs.
46 See Documentation/dev-tools/kasan.rst for details.
53 …def_bool (CC_IS_CLANG && $(cc-option,-fsanitize=kernel-address -mllvm -asan-kernel-mem-intrinsic-p…
54 (CC_IS_GCC && $(cc-option,-fsanitize=kernel-address --param asan-kernel-mem-intrinsic-prefix=1))
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/linux/drivers/net/ethernet/intel/e1000e/
H A Dparam.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 1999 - 2018 Intel Corporation. */
15 #define OPTION_UNSET -1
37 * Tx interrupt delay needs to typically be set to something non-zero
39 * Valid Range: 0-65535
48 * Valid Range: 0-65535
60 * Valid Range: 0-65535
72 * Valid Range: 0-65535
82 * Valid Range: 100-100000 or one of: 0=off, 1=dynamic, 3=dynamic conservative
89 /* IntMode (Interrupt Mode)
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/linux/include/linux/
H A Dtracefs.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * tracefs.h - a pseudo file system for activating tracing
5 * Based on debugfs by: 2004 Greg Kroah-Hartman <greg@kroah.com>
27 * eventfs_callback - A callback function to create dynamic files in eventfs
29 * @mode: return the file mode for the file (RW access, etc)
45 * If a file is to be created, then @mode should be populated with the file
46 * mode (permissions) for which the file is created for. This would be
62 typedef int (*eventfs_callback)(const char *name, umode_t *mode, void **data,
68 * struct eventfs_entry - dynamically created eventfs file call back handler
69 * @name: Then name of the dynamic file in an eventfs directory
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/linux/drivers/i3c/
H A Dmaster.c1 // SPDX-License-Identifier: GPL-2.0
29 * i3c_bus_maintenance_lock - Lock the bus for a maintenance operation
34 * - enabling/disabling slave events
35 * - re-triggering DAA
36 * - changing the dynamic address of a device
37 * - relinquishing mastership
38 * - ...
46 down_write(&bus->lock); in i3c_bus_maintenance_lock()
50 * i3c_bus_maintenance_unlock - Release the bus lock after a maintenance
60 up_write(&bus->lock); in i3c_bus_maintenance_unlock()
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/linux/Documentation/admin-guide/
H A Ddynamic-debug-howto.rst1 Dynamic debug
8 Dynamic debug allows you to dynamically enable/disable kernel
9 debug-print code to obtain additional kernel information.
11 If ``/proc/dynamic_debug/control`` exists, your kernel has dynamic
14 Dynamic debug provides:
22 - source filename
23 - function name
24 - line number (including ranges of line numbers)
25 - module name
26 - format string
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/linux/arch/s390/boot/
H A Dkaslr.c1 // SPDX-License-Identifier: GPL-2.0
49 /* initial parameter block for tdes mode, copied from libica */ in get_random()
60 int mode, i; in get_random() local
62 mode = check_prng(); in get_random()
64 switch (mode) { in get_random()
88 return -1; in get_random()
101 for (j = i - 1; j >= 0 && res[j].start > tmp.start; j--) in sort_reserved_ranges()
130 while (res && res->end <= start) { in iterate_valid_positions()
138 if (res && res->start < end) { in iterate_valid_positions()
140 tmp_end = res->start; in iterate_valid_positions()
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/linux/lib/zlib_inflate/
H A Dinflate.h4 /* inflate.h -- internal inflate state definition
5 * Copyright (C) 1995-2004 Mark Adler
29 TYPE, /* i: waiting for type bits, including last-flag bit */
33 TABLE, /* i: waiting for dynamic block table lengths */
42 CHECK, /* i: waiting for 32-bit check value */
43 LENGTH, /* i: waiting for 32-bit length (gzip) */
44 DONE, /* finished check, done -- remain here until reset */
45 BAD, /* got a data error -- remain here until reset */
46 MEM, /* got an inflate() memory error -- remain here until reset */
51 State transitions between above modes -
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/linux/drivers/gpu/drm/amd/include/
H A Damd_shared.h71 * enum amd_ip_block_type - Used to classify IP blocks by functionality.
83 * @AMD_IP_BLOCK_TYPE_ACP: Audio Co-Processor
85 * @AMD_IP_BLOCK_TYPE_MES: Micro-Engine Scheduler
88 * @AMD_IP_BLOCK_TYPE_UMSCH_MM: User Mode Scheduler for Multimedia
183 * enum PP_FEATURE_MASK - Used to mask power play features.
185 * @PP_SCLK_DPM_MASK: Dynamic adjustment of the system (graphics) clock.
186 * @PP_MCLK_DPM_MASK: Dynamic adjustment of the memory clock.
187 * @PP_PCIE_DPM_MASK: Dynamic adjustment of PCIE clocks and lanes.
191 * @PP_SMC_VOLTAGE_CONTROL_MASK: Dynamic voltage control.
197 * @PP_SOCCLK_DPM_MASK: Dynamic adjustment of the SoC clock.
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/linux/include/uapi/linux/
H A Dpsp-dbc.h1 /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
3 * Userspace interface for AMD Dynamic Boost Control (DBC)
16 * DOC: AMD Dynamic Boost Control (DBC) interface
24 * struct dbc_user_nonce - Nonce exchange structure (input/output).
27 * 1: authentication: PSP will return multi-use nonce.
39 * struct dbc_user_setuid - UID exchange structure (input).
49 * struct dbc_user_param - Parameter exchange structure (input/output).
53 * - When sending a message this is to be created by software
55 * - For interpreting results, this signature is updated by the
66 * Dynamic Boost Control (DBC) IOC
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/linux/drivers/char/
H A Dmisc.c1 // SPDX-License-Identifier: GPL-2.0
14 * Made things a lot mode modular - easy to compile in just one or two
17 * Support for loadable modules. 8-Sep-95 Philip Blundell <pjb27@cam.ac.uk>
20 * Alan Cox <alan@lxorguk.ukuu.org.uk> 21-Jan-96
22 * Dynamic minors and /proc/mice by Alessandro Rubini. 26-Mar-96
24 * Renamed to misc and miscdevice to be more accurate. Alan Cox 26-Mar-96
34 * Added devfs support. Richard Gooch <rgooch@atnf.csiro.au> 10-Jan-1998
61 * Assigned numbers, used for dynamic minors
63 #define DYNAMIC_MINORS 128 /* like dynamic majors */
70 ret = ida_alloc_max(&misc_minors_ida, DYNAMIC_MINORS - 1, GFP_KERNEL); in misc_minor_alloc()
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/linux/arch/powerpc/platforms/cell/
H A Dcbe_thermal.c1 // SPDX-License-Identifier: GPL-2.0-or-later
42 #include <asm/cell-regs.h>
51 .attr = { .name = __stringify(_name), .mode = _mode }, \
63 return ((temp - TEMP_MIN) >> 1) & 0x3f; in temp_to_reg()
82 value.val = in_be64(&reg->val); in spu_read_register_value()
84 return value.spe[spu->spe_id]; in spu_read_register_value()
95 value = spu_read_register_value(dev, &pmd_regs->ts_ctsr1); in spu_show_temp()
104 value = in_be64(&pmd_regs->tm_tpr.val); in show_throttle()
122 return -EINVAL; in store_throttle()
126 reg_value = in_be64(&pmd_regs->tm_tpr.val); in store_throttle()
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/linux/Documentation/sound/hd-audio/
H A Dcontrols.rst2 HD-Audio Codec-Specific Mixer Controls
6 This file explains the codec-specific mixer controls.
9 --------------
11 Channel Mode
12 This is an enum control to change the surround-channel setup,
16 jack-retasking of multi-I/O jacks.
18 Auto-Mute Mode
19 This is an enum control to change the auto-mute behavior of the
20 headphone and line-out jacks. If built-in speakers and headphone
21 and/or line-out jacks are available on a machine, this controls
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/linux/arch/arm/mach-pxa/
H A Dstandby.S1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * PXA27x standby mode
13 #include "pxa2xx-regs.h"
52 * Preload the TLB entry for accessing the dynamic memory
54 * fail until the dynamic memory controller has been
55 * reinitialised - and that includes MMU page table walks.
56 * This also means that only the dynamic memory controller
/linux/include/linux/mtd/
H A Dubi.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
14 #include <mtd/ubi-user.h>
17 #define UBI_ALL -1
26 * enum ubi_open_mode - UBI volume open mode constants.
28 * UBI_READONLY: read-only mode
29 * UBI_READWRITE: read-write mode
30 * UBI_EXCLUSIVE: exclusive mode
31 * UBI_METAONLY: modify only the volume meta-data,
42 * struct ubi_volume_info - UBI volume description data structure.
50 * @corrupted: non-zero if the volume is corrupted (static volumes only)
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