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/linux-6.15/Documentation/devicetree/bindings/power/reset/
Dgpio-restart.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/reset/gpio-restart.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <sre@kernel.org>
17 'open-source' is not found, the GPIO line will be driven in the inactive state. Otherwise its
22 This will also cause an inactive->active edge condition, triggering positive edge triggered
23 reset. After a delay specified by active-delay, the GPIO is set to inactive, thus causing an
24 active->inactive edge, triggering negative edge triggered reset. After a delay specified by
25 inactive-delay, the GPIO is driven active again. After a delay specified by wait-delay, the
[all …]
Dgpio-poweroff.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/reset/gpio-poweroff.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <sre@kernel.org>
15 from inactive to active. After a delay (active-delay-ms) it
16 is expected to be switched back to inactive. After another
17 delay (inactive-delay-ms) it is configured as active again.
19 the system is still running after waiting some time (timeout-ms).
22 - $ref: restart-handler.yaml#
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/linux-6.15/mm/
Dworkingset.c1 // SPDX-License-Identifier: GPL-2.0
25 * inactive and the active list. Freshly faulted pages start out at
26 * the head of the inactive list and page reclaim scans pages from the
27 * tail. Pages that are accessed multiple times on the inactive list
29 * whereas active pages are demoted to the inactive list when the
32 * fault ------------------------+
34 * +--------------+ | +-------------+
35 * reclaim <- | inactive | <-+-- demotion | active | <--+
36 * +--------------+ +-------------+ |
38 * +-------------- promotion ------------------+
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Dswap.c1 // SPDX-License-Identifier: GPL-2.0-only
10 * Linux VM subsystem. Fine-tuning documentation can be found in
11 * Documentation/admin-guide/sysctl/vm.rst.
32 #include <linux/backing-dev.h>
84 * This path almost never happens for VM activity - pages are normally freed
85 * in batches. But it gets used by networking - and for compound pages.
112 free_frozen_pages(&folio->page, folio_order(folio)); in __folio_put()
143 * folio->mlock_count = !!folio_test_mlocked(folio)? in lru_add()
149 folio->mlock_count = 0; in lru_add()
165 struct folio *folio = fbatch->folios[i]; in folio_batch_move_lru()
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/linux-6.15/drivers/gpu/drm/msm/adreno/
Da5xx_catalog.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2013-2014 Red Hat
35 * Increase inactive period to 250 to avoid bouncing
53 * Increase inactive period to 250 to avoid bouncing
70 * Increase inactive period to 250 to avoid bouncing
88 * Increase inactive period to 250 to avoid bouncing
103 * Increase inactive period to 250 to avoid bouncing
124 * Increase inactive period to 250 to avoid bouncing
143 * Increase inactive period to 250 to avoid bouncing
/linux-6.15/kernel/bpf/
Dbpf_lru_list.c1 // SPDX-License-Identifier: GPL-2.0-only
17 #define LOCAL_LIST_IDX(t) ((t) - BPF_LOCAL_LIST_T_OFFSET)
33 return &loc_l->lists[LOCAL_FREE_LIST_IDX]; in local_free_list()
38 return &loc_l->lists[LOCAL_PENDING_LIST_IDX]; in local_pending_list()
44 return READ_ONCE(node->ref); in bpf_lru_node_is_ref()
49 WRITE_ONCE(node->ref, 0); in bpf_lru_node_clear_ref()
56 l->counts[type]++; in bpf_lru_list_count_inc()
63 l->counts[type]--; in bpf_lru_list_count_dec()
71 if (WARN_ON_ONCE(IS_LOCAL_LIST_TYPE(node->type))) in __bpf_lru_node_move_to_free()
77 if (&node->list == l->next_inactive_rotation) in __bpf_lru_node_move_to_free()
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/linux-6.15/drivers/power/reset/
Dgpio-restart.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * Based on the gpio-poweroff driver.
27 struct gpio_restart *gpio_restart = data->cb_data; in gpio_restart_notify()
29 /* drive it active, also inactive->active edge */ in gpio_restart_notify()
30 gpiod_direction_output(gpio_restart->reset_gpio, 1); in gpio_restart_notify()
31 mdelay(gpio_restart->active_delay_ms); in gpio_restart_notify()
33 /* drive inactive, also active->inactive edge */ in gpio_restart_notify()
34 gpiod_set_value(gpio_restart->reset_gpio, 0); in gpio_restart_notify()
35 mdelay(gpio_restart->inactive_delay_ms); in gpio_restart_notify()
37 /* drive it active, also inactive->active edge */ in gpio_restart_notify()
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Dgpio-poweroff.c1 // SPDX-License-Identifier: GPL-2.0-only
31 struct gpio_poweroff *gpio_poweroff = data->cb_data; in gpio_poweroff_do_poweroff()
33 /* drive it active, also inactive->active edge */ in gpio_poweroff_do_poweroff()
34 gpiod_direction_output(gpio_poweroff->reset_gpio, 1); in gpio_poweroff_do_poweroff()
35 mdelay(gpio_poweroff->active_delay_ms); in gpio_poweroff_do_poweroff()
37 /* drive inactive, also active->inactive edge */ in gpio_poweroff_do_poweroff()
38 gpiod_set_value_cansleep(gpio_poweroff->reset_gpio, 0); in gpio_poweroff_do_poweroff()
39 mdelay(gpio_poweroff->inactive_delay_ms); in gpio_poweroff_do_poweroff()
41 /* drive it active, also inactive->active edge */ in gpio_poweroff_do_poweroff()
42 gpiod_set_value_cansleep(gpio_poweroff->reset_gpio, 1); in gpio_poweroff_do_poweroff()
[all …]
/linux-6.15/Documentation/userspace-api/gpio/
Dgpio-v2-line-set-values-ioctl.rst1 .. SPDX-License-Identifier: GPL-2.0
12 GPIO_V2_LINE_SET_VALUES_IOCTL - Set the values of requested output lines.
26 :c:type:`request.fd<gpio_v2_line_request>` by gpio-v2-get-line-ioctl.rst.
38 The values set are logical, indicating if the line is to be active or inactive.
40 values (active/inactive) and physical values (high/low).
41 If ``GPIO_V2_LINE_FLAG_ACTIVE_LOW`` is not set then active is high and inactive
43 inactive is high.
53 On error -1 and the ``errno`` variable is set appropriately.
54 Common error codes are described in error-codes.rst.
Dgpio-handle-set-line-values-ioctl.rst1 .. SPDX-License-Identifier: GPL-2.0
10 gpio-v2-line-set-values-ioctl.rst.
15 GPIO_HANDLE_SET_LINE_VALUES_IOCTL - Set the values of all requested output lines.
29 :c:type:`request.fd<gpiohandle_request>` by gpio-get-linehandle-ioctl.rst.
39 The values set are logical, indicating if the line is to be active or inactive.
41 values (active/inactive) and physical values (high/low).
43 inactive is low. If ``GPIOHANDLE_REQUEST_ACTIVE_LOW`` is set then active is low
44 and inactive is high.
54 On error -1 and the ``errno`` variable is set appropriately.
55 Common error codes are described in error-codes.rst.
Dgpio-v2-line-get-values-ioctl.rst1 .. SPDX-License-Identifier: GPL-2.0
12 GPIO_V2_LINE_GET_VALUES_IOCTL - Get the values of requested lines.
26 :c:type:`request.fd<gpio_v2_line_request>` by gpio-v2-get-line-ioctl.rst.
37 The values returned are logical, indicating if the line is active or inactive.
39 values (high/low) and logical values (active/inactive).
41 inactive. If ``GPIO_V2_LINE_FLAG_ACTIVE_LOW`` is set then low is active and
42 high is inactive.
57 On error -1 and the ``errno`` variable is set appropriately.
58 Common error codes are described in error-codes.rst.
Dgpio-handle-get-line-values-ioctl.rst1 .. SPDX-License-Identifier: GPL-2.0
10 gpio-v2-line-get-values-ioctl.rst.
15 GPIOHANDLE_GET_LINE_VALUES_IOCTL - Get the values of all requested lines.
29 :c:type:`request.fd<gpiohandle_request>` by gpio-get-linehandle-ioctl.rst.
39 The values returned are logical, indicating if the line is active or inactive.
41 values (high/low) and logical values (active/inactive).
43 low is inactive. If ``GPIOHANDLE_REQUEST_ACTIVE_LOW`` is set then low is active
44 and high is inactive.
62 On error -1 and the ``errno`` variable is set appropriately.
63 Common error codes are described in error-codes.rst.
/linux-6.15/arch/arm/mach-omap2/
Dcm.h1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 2007-2009, 2012 Texas Instruments, Inc.
6 * Copyright (C) 2007-2009 Nokia Corporation
15 * PRCM to request that a module exit the inactive state in the case of
18 * module to reach the functionnal state from an inactive state.
25 #include "prcm-common.h"
33 * the PRCM to request that a module enter the inactive state in the
35 * in microseconds for the module to reach the inactive state from
45 * struct cm_ll_data - fn ptrs to per-SoC CM function implementations
46 * @split_idlest_reg: ptr to the SoC CM-specific split_idlest_reg impl
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/linux-6.15/drivers/gpu/drm/xe/tests/
Dxe_rtp_test.c1 // SPDX-License-Identifier: GPL-2.0
63 .name = "coalesce-same-reg",
71 { XE_RTP_NAME("basic-1"),
75 { XE_RTP_NAME("basic-2"),
83 .name = "no-match-no-add",
91 { XE_RTP_NAME("basic-1"),
95 { XE_RTP_NAME("basic-2"),
103 .name = "match-or",
124 { XE_RTP_NAME("no-match"),
132 .name = "match-or-xfail",
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/linux-6.15/Documentation/devicetree/bindings/sound/
Ddavinci-mcasp-audio.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/davinci-mcasp-audio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jayesh Choudhary <j-choudhary@ti.com>
15 - ti,dm646x-mcasp-audio
16 - ti,da830-mcasp-audio
17 - ti,am33xx-mcasp-audio
18 - ti,dra7-mcasp-audio
19 - ti,omap4-mcasp-audio
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/linux-6.15/Documentation/devicetree/bindings/input/
Dgpio-matrix-keypad.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $id: http://devicetree.org/schemas/input/gpio-matrix-keypad.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Marek Vasut <marek.vasut@gmail.com>
17 keypad can sense a key-press and key-release by means of GPIO lines and
21 - $ref: /schemas/input/matrix-keymap.yaml#
25 const: gpio-matrix-keypad
27 row-gpios:
32 col-gpios:
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/linux-6.15/Documentation/admin-guide/pm/
Dstrategies.rst1 .. SPDX-License-Identifier: GPL-2.0
13 The Linux kernel supports two major high-level power management strategies.
15 One of them is based on using global low-power states of the whole system in
17 significantly reduced, referred to as :doc:`sleep states <sleep-states>`. The
23 :doc:`system-wide power management <system-wide>`.
25 The other strategy, referred to as the :doc:`working-state power management
26 <working-state>`, is based on adjusting the power states of individual hardware
32 ``inactive`` (idle). If they are active, they have to be in power states
34 are inactive, ideally, they should be in low-power states in which they may not
39 draw (or maximum energy usage) of it. If all of them are inactive, the system
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/linux-6.15/Documentation/scheduler/
Dsched-deadline.rst12 3. Scheduling Real-Time Tasks
18 4.1 System-wide settings
33 system behavior. As for -rt (group) scheduling, it is assumed that root users
50 ------------------
70 with the "traditional" real-time task model (see Section 3) can effectively
76 - Each SCHED_DEADLINE task is characterized by the "runtime",
79 - The state of the task is described by a "scheduling deadline", and
82 - When a SCHED_DEADLINE task wakes up (becomes ready for execution),
86 ---------------------------------- > ---------
87 scheduling deadline - current time period
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/linux-6.15/include/uapi/linux/
Ddm-ioctl.h1 /* SPDX-License-Identifier: LGPL-2.0+ WITH Linux-syscall-note */
3 * Copyright (C) 2001 - 2003 Sistina Software (UK) Limited.
4 * Copyright (C) 2004 - 2009 Red Hat, Inc. All rights reserved.
25 * through the device, and an 'inactive' one which is a table
39 * Create a new device, neither the 'active' or 'inactive' table
42 * since it will be out-of-bounds.
57 * unsuspended device. If a table is present in the 'inactive'
71 * Load a table into the 'inactive' slot for the device. The
75 * Destroy any table in the 'inactive' slot (ie. abort).
106 * major - no backward or forward compatibility,
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/linux-6.15/drivers/spi/
Dspi-bitbang-txrx.h1 /* SPDX-License-Identifier: GPL-2.0 */
4 * simple SPI master driver. Two do polled word-at-a-time I/O:
6 * - GPIO/parport bitbangers. Provide chipselect() and txrx_word[](),
7 * expanding the per-word routines from the inline templates below.
9 * - Drivers for controllers resembling bare shift registers. Provide
15 * - Drivers leveraging smarter hardware, with fifos or DMA; or for half
36 * A non-inlined routine would call bitbang_txrx_*() routines. The
55 u32 oldbit = (!(word & (1<<(bits-1)))) << 31; in bitbang_txrx_be_cpha0()
56 /* clock starts at inactive polarity */ in bitbang_txrx_be_cpha0()
57 for (word <<= (32 - bits); likely(bits); bits--) { in bitbang_txrx_be_cpha0()
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/linux-6.15/drivers/net/ethernet/intel/ice/
Dice_nvm.c1 // SPDX-License-Identifier: GPL-2.0
31 return -EINVAL; in ice_aq_read_nvm()
36 cmd->cmd_flags |= ICE_AQC_NVM_FLASH_ONLY; in ice_aq_read_nvm()
40 cmd->cmd_flags |= ICE_AQC_NVM_LAST_CMD; in ice_aq_read_nvm()
41 cmd->module_typeid = cpu_to_le16(module_typeid); in ice_aq_read_nvm()
42 cmd->offset_low = cpu_to_le16(offset & 0xFFFF); in ice_aq_read_nvm()
43 cmd->offset_high = (offset >> 16) & 0xFF; in ice_aq_read_nvm()
44 cmd->length = cpu_to_le16(length); in ice_aq_read_nvm()
50 * ice_read_flat_nvm - Read portion of NVM by flat offset
76 if (read_shadow_ram && ((offset + inlen) > (hw->flash.sr_words * 2u))) { in ice_read_flat_nvm()
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/linux-6.15/net/tipc/
Dsubscr.h4 * Copyright (c) 2003-2017, Ericsson AB
5 * Copyright (c) 2005-2007, 2012-2013, Wind River Systems
6 * Copyright (c) 2020-2021, Red Hat Inc
51 * struct tipc_subscription - TIPC network topology subscription object
52 * @s: host-endian copy of the user subscription
60 * @inactive: true if this subscription is inactive
72 bool inactive; member
92 /* tipc_sub_read - return field_ of struct sub_ in host endian format
97 u32 val__ = (sub__)->field_; \
98 int swap_ = !((sub__)->filter & TIPC_FILTER_MASK); \
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/linux-6.15/Documentation/devicetree/bindings/clock/
Didt,versaclock5.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
16 - 5P49V5923:
17 0 -- OUT0_SEL_I2CB
18 1 -- OUT1
19 2 -- OUT2
21 - 5P49V5933:
22 0 -- OUT0_SEL_I2CB
23 1 -- OUT1
[all …]
/linux-6.15/arch/arm/include/debug/
Dsa1100.S1 /* SPDX-License-Identifier: GPL-2.0-only */
6 * Copyright (C) 1994-1999 Russell King
24 @ the comment in arch/arm/mach-sa1100/include/mach/uncompress.h.
32 @ if Ser3 is inactive, then try Ser1
33 addeq \rp, \rp, #(0x00010000 - 0x00050000)
37 @ if Ser1 is inactive, then try Ser2
38 addeq \rp, \rp, #(0x00030000 - 0x00010000)
/linux-6.15/include/linux/
Datmel-isc-media.h1 /* SPDX-License-Identifier: GPL-2.0-only */
18 * 1:12:0 with a default value of 0 (+/- 0)
25 * AWB == 1: autowhitebalance is on, the do_white_balance button is inactive,
26 * the gains/offsets are inactive, but volatile and readable.
32 * pressed, the driver will perform one-time-adjustment, (preferably with color

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