| /kernel/linux/linux-6.6/Documentation/driver-api/usb/ |
| D | persist.rst | 1 .. _usb-persist:
3 USB device persistence during system suspend
14 bus must continue to supply suspend current (around 1-5 mA). This
16 detect connect-change events (devices being plugged in or unplugged).
21 conservative approach; in the absence of suspend current the computer
22 has no way to know what has actually happened. Perhaps the same
27 controller loses power during a system suspend, then when the system
38 Unfortunately problems _can_ arise, particularly with mass-storage
41 filesystem on the device, you're out of luck -- everything in that
48 even though suspend current may have been maintained while the system
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| D | power-management.rst | 1 .. _usb-power-management:
7 :Date: Last-updated: February 2014
11 ---------
17 * Changing the default idle-delay time
31 -------------------------
35 component is ``suspended`` it is in a nonfunctional low-power state; it
37 ``resumed`` (returned to a functional full-power state) when the kernel
44 the system, we speak of it as a "system suspend". When a particular
46 call it a "dynamic suspend" (also known as a "runtime suspend" or
47 "selective suspend"). This document concentrates mostly on how
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| D | callbacks.rst | 11 completion callback can be found in :ref:`usb-urb`.
17 - @probe:
21 - @disconnect:
22 Called when the interface is no longer accessible, usually
28 - @ioctl:
36 - @suspend:
39 - @resume:
42 - @reset_resume:
43 Called when the suspended device has been reset instead
48 - @pre_reset:
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| /kernel/linux/linux-5.10/Documentation/driver-api/usb/ |
| D | persist.rst | 1 .. _usb-persist:
3 USB device persistence during system suspend
14 bus must continue to supply suspend current (around 1-5 mA). This
16 detect connect-change events (devices being plugged in or unplugged).
21 conservative approach; in the absence of suspend current the computer
22 has no way to know what has actually happened. Perhaps the same
27 controller loses power during a system suspend, then when the system
38 Unfortunately problems _can_ arise, particularly with mass-storage
41 filesystem on the device, you're out of luck -- everything in that
48 even though suspend current may have been maintained while the system
[all …]
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| D | power-management.rst | 1 .. _usb-power-management:
7 :Date: Last-updated: February 2014
11 ---------
17 * Changing the default idle-delay time
31 -------------------------
35 component is ``suspended`` it is in a nonfunctional low-power state; it
37 ``resumed`` (returned to a functional full-power state) when the kernel
44 the system, we speak of it as a "system suspend". When a particular
46 call it a "dynamic suspend" (also known as a "runtime suspend" or
47 "selective suspend"). This document concentrates mostly on how
[all …]
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| D | callbacks.rst | 11 completion callback can be found in :ref:`usb-urb`.
17 - @probe:
21 - @disconnect:
22 Called when the interface is no longer accessible, usually
28 - @ioctl:
36 - @suspend:
39 - @resume:
42 - @reset_resume:
43 Called when the suspended device has been reset instead
48 - @pre_reset:
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/input/ |
| D | goodix,gt7375p.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Douglas Anderson <dianders@chromium.org>
14 This touchscreen uses the i2c-hid protocol but has some non-standard
18 - $ref: /schemas/input/touchscreen/touchscreen.yaml#
23 - const: goodix,gt7375p
24 - items:
25 - const: goodix,gt7986u
26 - const: goodix,gt7375p
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| /kernel/linux/linux-5.10/drivers/remoteproc/ |
| D | omap_remoteproc.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2011-2020 Texas Instruments Incorporated - http://www.ti.com/
8 * Ohad Ben-Cohen <ohad@wizery.com>
12 * Suman Anna <s-anna@ti.com>
13 * Hari Kanigeri <h-kanigeri2@ti.com>
26 #include <linux/dma-mapping.h>
30 #include <linux/omap-iommu.h>
31 #include <linux/omap-mailbox.h>
34 #include <linux/reset.h>
35 #include <clocksource/timer-ti-dm.h>
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| /kernel/linux/linux-6.6/drivers/remoteproc/ |
| D | omap_remoteproc.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2011-2020 Texas Instruments Incorporated - http://www.ti.com/
8 * Ohad Ben-Cohen <ohad@wizery.com>
12 * Suman Anna <s-anna@ti.com>
13 * Hari Kanigeri <h-kanigeri2@ti.com>
27 #include <linux/dma-mapping.h>
31 #include <linux/omap-iommu.h>
32 #include <linux/omap-mailbox.h>
35 #include <linux/reset.h>
36 #include <clocksource/timer-ti-dm.h>
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| /kernel/linux/linux-5.10/kernel/power/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
2 config SUSPEND config
3 bool "Suspend to RAM and standby"
9 suspend-to-RAM state (e.g. the ACPI S3 state).
12 bool "Enable freezer for suspend to RAM/standby" \
14 depends on SUSPEND
17 This allows you to turn off the freezer for suspend. If this is
18 done, no tasks are frozen for suspend to RAM/standby.
23 bool "Skip kernel's sys_sync() on suspend to RAM/standby"
24 depends on SUSPEND
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| /kernel/linux/linux-6.6/kernel/power/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
2 config SUSPEND config
3 bool "Suspend to RAM and standby"
9 suspend-to-RAM state (e.g. the ACPI S3 state).
12 bool "Enable freezer for suspend to RAM/standby" \
14 depends on SUSPEND
17 This allows you to turn off the freezer for suspend. If this is
18 done, no tasks are frozen for suspend to RAM/standby.
23 bool "Skip kernel's sys_sync() on suspend to RAM/standby"
24 depends on SUSPEND
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| /kernel/linux/linux-5.10/arch/arm/mach-tegra/ |
| D | pm.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * CPU complex suspend & resume functions for Tegra SoCs
5 * Copyright (c) 2009-2012, NVIDIA Corporation. All rights reserved.
17 #include <linux/suspend.h>
29 #include <asm/proc-fns.h>
31 #include <asm/suspend.h>
36 #include "reset.h"
93 * transition to suspend state
141 if (tegra_cpu_car_ops->rail_off_ready && in tegra_sleep_cpu()
143 return -EBUSY; in tegra_sleep_cpu()
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| /kernel/linux/linux-6.6/arch/arm/mach-tegra/ |
| D | pm.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * CPU complex suspend & resume functions for Tegra SoCs
5 * Copyright (c) 2009-2012, NVIDIA Corporation. All rights reserved.
17 #include <linux/suspend.h>
29 #include <asm/proc-fns.h>
31 #include <asm/suspend.h>
36 #include "reset.h"
93 * transition to suspend state
141 if (tegra_cpu_car_ops->rail_off_ready && in tegra_sleep_cpu()
143 return -EBUSY; in tegra_sleep_cpu()
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| /kernel/linux/linux-6.6/sound/soc/sof/intel/ |
| D | hda-dsp.c | 1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
21 #include <sound/hda-mlink.h>
23 #include "../sof-audio.h"
26 #include "hda-ipc.h"
42 u32 reset; in hda_dsp_core_reset_enter() local
45 /* set reset bits for cores */ in hda_dsp_core_reset_enter()
46 reset = HDA_DSP_ADSPCS_CRST_MASK(core_mask); in hda_dsp_core_reset_enter()
49 reset, reset); in hda_dsp_core_reset_enter()
54 ((adspcs & reset) == reset), in hda_dsp_core_reset_enter()
58 dev_err(sdev->dev, in hda_dsp_core_reset_enter()
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| /kernel/linux/linux-5.10/sound/soc/sof/intel/ |
| D | hda-dsp.c | 1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
21 #include "../sof-audio.h"
24 #include "hda-ipc.h"
40 u32 reset; in hda_dsp_core_reset_enter() local
43 /* set reset bits for cores */ in hda_dsp_core_reset_enter()
44 reset = HDA_DSP_ADSPCS_CRST_MASK(core_mask); in hda_dsp_core_reset_enter()
47 reset, reset), in hda_dsp_core_reset_enter()
52 ((adspcs & reset) == reset), in hda_dsp_core_reset_enter()
56 dev_err(sdev->dev, in hda_dsp_core_reset_enter()
62 /* has core entered reset ? */ in hda_dsp_core_reset_enter()
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| /kernel/linux/linux-5.10/include/linux/ |
| D | pm.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * pm.h - Power management interface
55 * struct dev_pm_ops - device PM callbacks.
62 * registration of a child already in progress), it may return -EAGAIN, so
65 * This method is executed for all kinds of suspend transitions and is
66 * followed by one of the suspend callbacks: @suspend(), @freeze(), or
67 * @poweroff(). If the transition is a suspend to memory or standby (that
69 * used to indicate to the PM core to leave the device in runtime suspend
72 * runtime-suspended and it may be left in that state during the entire
73 * transition and during the subsequent resume if all of its descendants
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| /kernel/linux/linux-5.10/drivers/gpu/drm/i915/gt/ |
| D | intel_gt_pm.c | 2 * SPDX-License-Identifier: MIT
7 #include <linux/suspend.h>
24 static void user_forcewake(struct intel_gt *gt, bool suspend) in user_forcewake() argument
26 int count = atomic_read(>->user_wakeref); in user_forcewake()
28 /* Inside suspend/resume so single threaded, no races to worry about. */ in user_forcewake()
33 if (suspend) { in user_forcewake()
34 GEM_BUG_ON(count > atomic_read(>->wakeref.count)); in user_forcewake()
35 atomic_sub(count, >->wakeref.count); in user_forcewake()
37 atomic_add(count, >->wakeref.count); in user_forcewake()
45 struct drm_i915_private *i915 = gt->i915; in __gt_unpark()
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| /kernel/linux/linux-6.6/drivers/watchdog/ |
| D | imx2_wdt.c | 1 // SPDX-License-Identifier: GPL-2.0
14 * ---- -----
15 * Registers: 32-bit 16-bit
16 * Stopable timer: Yes No
17 * Need to enable clk: No Yes
18 * Halt on suspend: Manual Can be automatic
34 #define DRIVER_NAME "imx2-wdt"
37 #define IMX2_WDT_WCR_WT (0xFF << 8) /* -> Watchdog Timeout Field */
38 #define IMX2_WDT_WCR_WDW BIT(7) /* -> Watchdog disable for WAIT */
39 #define IMX2_WDT_WCR_WDA BIT(5) /* -> External Reset WDOG_B */
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/mmc/ |
| D | mmc-controller.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/mmc/mmc-controller.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Ulf Hansson <ulf.hansson@linaro.org>
25 "#address-cells":
30 "#size-cells":
37 broken-cd:
40 There is no card detection available; polling must be used.
42 cd-gpios:
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/mmc/ |
| D | mmc-controller.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/mmc/mmc-controller.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Ulf Hansson <ulf.hansson@linaro.org>
25 "#address-cells":
30 "#size-cells":
37 broken-cd:
40 There is no card detection available; polling must be used.
42 cd-gpios:
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| /kernel/linux/linux-5.10/include/linux/soundwire/ |
| D | sdw_intel.h | 1 /* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
2 /* Copyright(c) 2015-17 Intel Corporation. */
11 * struct sdw_intel_stream_params_data: configuration passed during
24 * struct sdw_intel_stream_free_data: configuration passed during
46 * struct sdw_intel_acpi_info - Soundwire Intel information found in ACPI tables
48 * @count: link count found with "sdw-master-count" property
49 * @link_mask: bit-wise mask listing links enabled by BIOS menu
63 /* Intel clock-stop/pm_runtime quirk definitions */
66 * Force the clock to remain on during pm_runtime suspend. This might
73 * Stop the bus during pm_runtime suspend. If set, a complete bus
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| /kernel/linux/linux-6.6/include/linux/ |
| D | pm.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * pm.h - Power management interface
63 * struct dev_pm_ops - device PM callbacks.
70 * registration of a child already in progress), it may return -EAGAIN, so
73 * This method is executed for all kinds of suspend transitions and is
74 * followed by one of the suspend callbacks: @suspend(), @freeze(), or
75 * @poweroff(). If the transition is a suspend to memory or standby (that
77 * used to indicate to the PM core to leave the device in runtime suspend
80 * runtime-suspended and it may be left in that state during the entire
81 * transition and during the subsequent resume if all of its descendants
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| /kernel/linux/linux-5.10/drivers/hid/intel-ish-hid/ishtp/ |
| D | bus.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (c) 2012-2016, Intel Corporation.
15 #include "ishtp-dev.h"
28 * ishtp_recv() - process ishtp message
42 msg_hdr = dev->ops->ishtp_read_hdr(dev); in ishtp_recv()
46 dev->ops->sync_fw_clock(dev); in ishtp_recv()
49 dev->ishtp_msg_hdr = msg_hdr; in ishtp_recv()
52 if (ishtp_hdr->length > dev->mtu) { in ishtp_recv()
53 dev_err(dev->devc, in ishtp_recv()
54 "ISHTP hdr - bad length: %u; dropped [%08X]\n", in ishtp_recv()
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| /kernel/linux/linux-6.6/drivers/usb/host/ |
| D | octeon-hcd.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
11 * Copyright (c) 2003-2010 Cavium Networks (support@cavium.com). All rights
37 * AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS OR
104 * This register can be used to configure the core after power-on or a change in
105 * mode of operation. This register mainly contains AHB system-related
126 * @nptxfemplvl: Non-Periodic TxFIFO Empty Level (NPTxFEmpLvl)
128 * Indicates when the Non-Periodic TxFIFO Empty Interrupt bit in
131 * * 1'b0: GINTSTS.NPTxFEmp interrupt indicates that the Non-
133 * * 1'b1: GINTSTS.NPTxFEmp interrupt indicates that the Non-
172 * This value is in terms of 32-bit words.
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| /kernel/linux/linux-5.10/drivers/staging/octeon-usb/ |
| D | octeon-hcd.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
11 * Copyright (c) 2003-2010 Cavium Networks (support@cavium.com). All rights
37 * AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS OR
104 * This register can be used to configure the core after power-on or a change in
105 * mode of operation. This register mainly contains AHB system-related
126 * @nptxfemplvl: Non-Periodic TxFIFO Empty Level (NPTxFEmpLvl)
128 * Indicates when the Non-Periodic TxFIFO Empty Interrupt bit in
131 * * 1'b0: GINTSTS.NPTxFEmp interrupt indicates that the Non-
133 * * 1'b1: GINTSTS.NPTxFEmp interrupt indicates that the Non-
172 * This value is in terms of 32-bit words.
[all …]
|