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/linux-6.12.1/include/linux/mmc/
Dhost.h1 /* SPDX-License-Identifier: GPL-2.0-only */
12 #include <linux/fault-inject.h>
18 #include <linux/dma-direction.h>
19 #include <linux/blk-crypto-profile.h>
142 * ios->clock might be 0. For some controllers, setting 0Hz
152 * 1 for a read-only card
153 * -ENOSYS when not supported (equal to NULL callback)
162 * -ENOSYS when not supported (equal to NULL callback)
179 /* The tuning command opcode value is different for SD and eMMC cards */
185 /* Execute HS400 tuning depending host driver */
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/linux-6.12.1/drivers/mmc/host/
Dsdhci-xenon.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * Date: 2016-8-24
22 #include <linux/dma-mapping.h>
24 #include "sdhci-pltfm.h"
25 #include "sdhci-xenon.h"
44 dev_err(mmc_dev(host->mmc), "Internal clock never stabilised.\n"); in xenon_enable_internal_clk()
45 return -ETIMEDOUT; in xenon_enable_internal_clk()
53 /* Set SDCLK-off-while-idle */
94 host->mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY; in xenon_enable_sdhc()
99 host->mmc->caps &= ~MMC_CAP_BUS_WIDTH_TEST; in xenon_enable_sdhc()
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Dsdhci-esdhc-imx.c1 // SPDX-License-Identifier: GPL-2.0
5 * derived from the OF-version.
23 #include <linux/mmc/slot-gpio.h>
28 #include "sdhci-cqhci.h"
29 #include "sdhci-pltfm.h"
30 #include "sdhci-esdhc.h"
70 /* Tuning bits */
82 #define ESDHC_TUNE_CTRL_MAX ((1 << 7) - 1)
106 /* NOTE: the minimum valid tuning start tap for mx6sl is 1 */
140 * open ended multi-blk IO. Otherwise the TC INT wouldn't
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Drenesas_sdhi_core.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2015-19 Renesas Electronics Corporation
6 * Copyright (C) 2016-19 Sang Engineering, Wolfram Sang
7 * Copyright (C) 2016-17 Horms Solutions, Simon Horman
13 * Copyright 2004-2005 Phil Blundell
14 * Copyright 2007-2008 OpenedHand Ltd.
27 #include <linux/mmc/slot-gpio.h>
30 #include <linux/pinctrl/pinctrl-state.h>
95 struct mmc_host *mmc = host->mmc; in renesas_sdhi_clk_enable()
99 ret = clk_prepare_enable(priv->clk_cd); in renesas_sdhi_clk_enable()
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Dsdhci.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * linux/drivers/mmc/host/sdhci.h - Secure Digital Host Controller Interface driver
7 * Copyright (C) 2005-2008 Pierre Ossman, All Rights Reserved.
103 * VDD2 - UHS2 or PCIe/NVMe
174 #define SDHCI_INT_ALL_MASK ((unsigned int)-1)
196 #define SDHCI_CTRL_HS400 0x0005 /* Non-standard */
243 #define SDHCI_SUPPORT_HS400 0x80000000 /* Non-standard */
252 /* 4C-4F reserved for more max current */
259 /* 55-57 reserved */
264 /* 60-FB reserved */
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Dsdhci-of-esdhc.c1 // SPDX-License-Identifier: GPL-2.0-or-later
22 #include <linux/dma-mapping.h>
26 #include "sdhci-pltfm.h"
27 #include "sdhci-esdhc.h"
71 { .compatible = "fsl,ls1021a-esdhc", .data = &ls1021a_esdhc_clk},
72 { .compatible = "fsl,ls1043a-esdhc", .data = &ls1043a_esdhc_clk},
73 { .compatible = "fsl,ls1046a-esdhc", .data = &ls1046a_esdhc_clk},
74 { .compatible = "fsl,ls1012a-esdhc", .data = &ls1012a_esdhc_clk},
75 { .compatible = "fsl,p1010-esdhc", .data = &p1010_esdhc_clk},
76 { .compatible = "fsl,mpc8379-esdhc" },
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Dsdhci-acpi.c1 // SPDX-License-Identifier: GPL-2.0-only
13 #include <linux/pinctrl/pinconf-generic.h>
17 #include <linux/dma-mapping.h>
32 #include <linux/mmc/slot-gpio.h>
90 return (void *)c->private; in sdhci_acpi_priv()
95 return c->slot && (c->slot->flags & flag); in sdhci_acpi_flag()
127 return -EOPNOTSUPP; in __intel_dsm()
129 if (obj->type == ACPI_TYPE_INTEGER) { in __intel_dsm()
130 *result = obj->integer.value; in __intel_dsm()
131 } else if (obj->type == ACPI_TYPE_BUFFER && obj->buffer.length > 0) { in __intel_dsm()
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Dsdhci-xenon-phy.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * Date: 2016-8-24
17 #include "sdhci-pltfm.h"
18 #include "sdhci-xenon.h"
197 /* Divider for calculating Tuning Step */
209 params = devm_kzalloc(mmc_dev(host->mmc), sizeof(*params), GFP_KERNEL); in xenon_alloc_emmc_phy()
211 return -ENOMEM; in xenon_alloc_emmc_phy()
213 priv->phy_params = params; in xenon_alloc_emmc_phy()
214 if (priv->phy_type == EMMC_5_0_PHY) in xenon_alloc_emmc_phy()
215 priv->emmc_phy_regs = &xenon_emmc_5_0_phy_regs; in xenon_alloc_emmc_phy()
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Dsdhci_am654.c1 // SPDX-License-Identifier: GPL-2.0
3 * sdhci_am654.c - SDHCI driver for TI's AM654 SOCs
5 * Copyright (C) 2018 Texas Instruments Incorporated - https://www.ti.com
18 #include "sdhci-cqhci.h"
19 #include "sdhci-pltfm.h"
88 #define SDHCI_AM654_AUTOSUSPEND_DELAY -1
108 [MMC_TIMING_LEGACY] = {"ti,otap-del-sel-legacy",
109 "ti,itap-del-sel-legacy",
111 [MMC_TIMING_MMC_HS] = {"ti,otap-del-sel-mmc-hs",
112 "ti,itap-del-sel-mmc-hs",
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Dsdhci.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * linux/drivers/mmc/host/sdhci.c - Secure Digital Host Controller Interface driver
5 * Copyright (C) 2005-2008 Pierre Ossman, All Rights Reserved.
9 * - JMicron (hardware and technical support)
19 #include <linux/dma-mapping.h>
33 #include <linux/mmc/slot-gpio.h>
40 pr_debug("%s: " DRIVER_NAME ": " f, mmc_hostname(host->mmc), ## x)
43 pr_err("%s: " DRIVER_NAME ": " f, mmc_hostname(host->mmc), ## x)
73 SDHCI_DUMP("Wake-up: 0x%08x | Clock: 0x%08x\n", in sdhci_dumpregs()
100 if (host->flags & SDHCI_USE_ADMA) { in sdhci_dumpregs()
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/linux-6.12.1/Documentation/admin-guide/sysctl/
Dindex.rst7 ------------------------------------------------------------------------------
18 be actually used, not just for the fun of programming it :-)
20 ------------------------------------------------------------------------------
37 you're the last RTFMing person to screw up.
39 In short, e-mail your suggestions, corrections and / or horror
44 --------------------------------------------------------------
50 at run-time, and the /proc/sys/ directory is there so that you
55 - a running Linux system
56 - root access
57 - common sense (this is especially hard to come by these days)
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/linux-6.12.1/Documentation/devicetree/bindings/mmc/
Dmarvell,xenon-sdhci.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mmc/marvell,xenon-sdhci.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 mmc-controller.yaml and the properties used by the Xenon implementation.
20 - Ulf Hansson <ulf.hansson@linaro.org>
25 - enum:
26 - marvell,armada-cp110-sdhci
27 - marvell,armada-ap806-sdhci
29 - items:
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/linux-6.12.1/mm/damon/
Dreclaim.c1 // SPDX-License-Identifier: GPL-2.0
3 * DAMON-based page reclamation
8 #define pr_fmt(fmt) "damon-reclaim: " fmt
14 #include "modules-common.h"
26 * do no real monitoring and reclamation due to the watermarks-based activation
37 * of parametrs except ``enabled`` again. Once the re-reading is done, this
39 * re-reading, DAMON_RECLAIM will be disabled.
66 * Desired level of memory pressure-stall time in microseconds.
70 * memory pressure is incurred. System-wide ``some`` memory PSI in microseconds
73 * disabling this auto-tuning feature.
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/linux-6.12.1/Documentation/admin-guide/mm/damon/
Dreclaim.rst1 .. SPDX-License-Identifier: GPL-2.0
4 DAMON-based Reclamation
7 DAMON-based Reclamation (DAMON_RECLAIM) is a static kernel module that aimed to
9 It doesn't aim to replace the LRU-list based page_granularity reclamation, but
15 On general memory over-committed systems, proactively reclaiming cold pages
20 Free Pages Reporting [3]_ based memory over-commit virtualization systems are
24 guests could be not so memory-frugal, mainly because some kernel subsystems and
25 user-space applications are designed to use as much memory as available. Then,
54 -------
60 no real monitoring and reclamation due to the watermarks-based activation
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/linux-6.12.1/Documentation/admin-guide/media/
Dbt8xx.rst1 .. SPDX-License-Identifier: GPL-2.0
16 -------------------
21 Please see Documentation/admin-guide/media/bttv-cardlist.rst for a complete
28 ./scripts/config -e PCI
29 ./scripts/config -e INPUT
30 ./scripts/config -m I2C
31 ./scripts/config -m MEDIA_SUPPORT
32 ./scripts/config -e MEDIA_PCI_SUPPORT
33 ./scripts/config -e MEDIA_ANALOG_TV_SUPPORT
34 ./scripts/config -e MEDIA_DIGITAL_TV_SUPPORT
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Dfaq.rst1 .. SPDX-License-Identifier: GPL-2.0
11 avoid confusion, we're calling *transponders* as the physical
23 1. The signal seems to die a few seconds after tuning.
28 is closed). The ``dvb-core`` module parameter ``dvb_shutdown_timeout``
37 tools and are grouped together with the ``v4l-utils`` git repository:
39 https://git.linuxtv.org/v4l-utils.git/
48 for example the ``dvbv5-scan`` tool. You can find more information
51 https://www.linuxtv.org/wiki/index.php/Dvbv5-scan
70 https://git.linuxtv.org/dtv-scan-tables.git
88 list with a tool like ``dvbv5-scan``.
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/linux-6.12.1/drivers/media/dvb-core/
Ddvb_frontend.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * dvb_frontend.c: DVB frontend tuning interface/thread
5 * Copyright (C) 1999-2001 Ralph Metzler
10 * Copyright (C) 2004 Andrew de Quincey (tuning thread cleanup)
57 MODULE_PARM_DESC(dvb_mfe_wait_time, "Wait up to <mfe_wait_time> seconds on open() for multi-fronten…
77 * FESTATE_IDLE. No tuning parameters have been supplied and the loop is idling.
79 * FESTATE_TUNING_FAST. Tuning parameters have been supplied and fast zigzag scan is in progress.
80 …* FESTATE_TUNING_SLOW. Tuning parameters have been supplied. Fast zigzag failed, so we're trying a…
83 …* FESTATE_ZIGZAG_SLOW. The lock has been lost. Fast zigzag has been failed, so we're trying again,…
85 * FESTATE_WAITFORLOCK. When we're waiting for a lock.
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/linux-6.12.1/Documentation/driver-api/media/
Ddtv-frontend.rst1 .. SPDX-License-Identifier: GPL-2.0
4 ------------------------
9 The Digital TV Frontend kABI defines a driver-internal interface for
10 registering low-level, hardware specific driver to a hardware independent
29 .name = "foo DVB-T/T2/C driver",
70 .name = "Bar DVB-S/S2 demodulator",
91 /* Satellite-specific */
100 #) For satellite digital TV standards (DVB-S, DVB-S2, ISDB-S), the
102 standards, they're specified in Hz. Due to that, if the same frontend
124 responsible for tuning the device. It supports multiple algorithms to
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Ddtv-demux.rst1 .. SPDX-License-Identifier: GPL-2.0
4 ---------------------
9 The Kernel Digital TV Demux kABI defines a driver-internal interface for
10 registering low-level, hardware specific driver to a hardware independent
20 Each demux receives its TS input from a DVB front-end or from memory, as
21 set via this demux kABI. In a system with more than one front-end, the kABI
22 can be used to select one of the DVB front-ends as a TS source for a demux,
25 The demux kABI only controls front-ends regarding to their connections with
26 demuxes; the kABI used to set the other front-end parameters, such as
27 tuning, are defined via the Digital TV Frontend kABI.
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/linux-6.12.1/drivers/clk/rockchip/
Dclk-mmc-phase.c1 // SPDX-License-Identifier: GPL-2.0-or-later
9 #include <linux/clk-provider.h>
40 * Each fine delay is between 44ps-77ps. Assume each fine delay is 60ps to
57 raw_value = readl(mmc_clock->reg) >> (mmc_clock->shift); in rockchip_mmc_get_phase()
93 * for people to debug unstable mmc tuning results. in rockchip_mmc_set_phase()
97 return -EINVAL; in rockchip_mmc_set_phase()
105 * actually go non-monotonic. We don't go _too_ monotonic in rockchip_mmc_set_phase()
118 * degrees off from what we think we're making. That's OK in rockchip_mmc_set_phase()
124 * don't overflow 32-bit / 64-bit numbers. in rockchip_mmc_set_phase()
137 writel(HIWORD_UPDATE(raw_value, 0x07ff, mmc_clock->shift), in rockchip_mmc_set_phase()
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/linux-6.12.1/include/media/
Dtuner-types.h1 /* SPDX-License-Identifier: GPL-2.0 */
10 * enum param_type - type of the tuner pameters
27 * struct tuner_range - define the frequencies supported by the tuner
36 * those ranges, as they're defined inside the driver. This is used by
54 * struct tuner_params - Parameters to be used to setup the tuner. Those
55 * are used by drivers/media/tuners/tuner-types.c in
57 * the parameters are for tuners based on tda9887 IF-PLL
58 * multi-standard analog TV/Radio demodulator, with is
65 * @cb_first_if_lower_freq: Many Philips-based tuners have a comment in
68 * switching, and to ensure smooth tuning to the
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/linux-6.12.1/drivers/phy/rockchip/
Dphy-rockchip-emmc.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2016 Shawn Lin <shawn.lin@rock-chips.com>
20 * The higher 16-bit of this register is used for write protection
106 regmap_write(rk_phy->reg_base, in rockchip_emmc_phy_power()
107 rk_phy->reg_offset + GRF_EMMCPHY_CON6, in rockchip_emmc_phy_power()
111 regmap_write(rk_phy->reg_base, in rockchip_emmc_phy_power()
112 rk_phy->reg_offset + GRF_EMMCPHY_CON6, in rockchip_emmc_phy_power()
121 rate = clk_get_rate(rk_phy->emmcclk); in rockchip_emmc_phy_power()
146 rate - ideal_rate : ideal_rate - rate; in rockchip_emmc_phy_power()
149 * In order for tuning delays to be accurate we need to be in rockchip_emmc_phy_power()
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/linux-6.12.1/tools/sched_ext/
DREADME.md11 Some of the examples are performant, production-ready schedulers. That is, for
12 the correct workload and with the correct tuning, they may be deployed in a
18 types of workloads or scenarios they're designed to accommodate, and whether or
19 not they're production ready. For more details on any of these schedulers,
47 non-trivial ones.
79 This is a large, auto-generated header file that contains all of the types
81 [BTF](https://docs.kernel.org/bpf/btf.html) (i.e. with the BTF-related Kconfig
108 bpf_printk("Task %s enabled in example scheduler", p->comm);
126 3. At `../../vmlinux` (i.e. at the root of the kernel tree where you're
129 4. `/boot/vmlinux-$(uname -r)`
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/linux-6.12.1/Documentation/admin-guide/blockdev/
Dfloppy.rst19 Example: If your kernel is called linux-2.6.9, type the following line
22 linux-2.6.9 floppy=thinkpad
25 of linux-2.6.9::
31 linux-2.6.9 floppy=daring floppy=two_fdc
96 and is thus harder to find, whereas non-dma buffers may be
104 If you have a FIFO-able FDC, the floppy driver automatically
105 falls back on non DMA mode if no DMA-able memory can be found.
130 using 'floppycontrol --messages'. Then access a floppy
131 disk. If you get a huge amount of "Over/Underrun - retrying"
135 when doing this tuning. Indeed, it allows to try different
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/linux-6.12.1/drivers/gpu/drm/i915/gt/
Dintel_workarounds.c1 // SPDX-License-Identifier: MIT
3 * Copyright © 2014-2018 Intel Corporation
30 * - Context workarounds: workarounds that touch registers that are
40 * - Engine workarounds: the list of these WAs is applied whenever the specific
60 * - GT workarounds: the list of these WAs is applied whenever these registers
66 * - Register whitelist: some workarounds need to be implemented in userspace,
70 * these to/be-whitelisted registers to some special HW registers).
75 * - Workaround batchbuffers: buffers that get executed automatically by the
91 * - Other: There are WAs that, due to their nature, cannot be applied from a
103 wal->gt = gt; in wa_init_start()
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