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/linux-6.8/Documentation/devicetree/bindings/memory-controllers/
Dti,gpmc-child.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/memory-controllers/ti,gpmc-child.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Tony Lindgren <tony@atomide.com>
11 - Roger Quadros <rogerq@kernel.org>
24 gpmc,sync-clk-ps:
28 # Chip-select signal timings corresponding to GPMC_CONFIG2:
29 gpmc,cs-on-ns:
33 gpmc,cs-rd-off-ns:
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/linux-6.8/drivers/mmc/host/
Dsdhci-of-dwcmshc.c1 // SPDX-License-Identifier: GPL-2.0
13 #include <linux/dma-mapping.h>
23 #include "sdhci-pltfm.h"
39 /* Tuning and auto-tuning fields in AT_CTRL_R control register */
49 #define AT_CTRL_PRE_CHANGE_DLY 0x1 /* 2-cycle latency */
51 #define AT_CTRL_POST_CHANGE_DLY 0x3 /* 4-cycle latency */
126 #define PHY_PAD_TXSLEW_CTRL_P 0x3 /* Slew control for P-Type pad TX */
128 #define PHY_PAD_TXSLEW_CTRL_N 0x3 /* Slew control for N-Type pad TX */
130 /* PHY CLK delay line settings */
134 /* PHY CLK delay line delay code */
[all …]
Dsdhci-of-sparx5.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * drivers/mmc/host/sdhci-of-sparx5.c
13 #include <linux/delay.h>
17 #include <linux/dma-mapping.h>
20 #include "sdhci-pltfm.h"
46 ((addr | (SZ_128M - 1)) == ((addr + len - 1) | (SZ_128M - 1)))
49 * If DMA addr spans 128MB boundary, we split the DMA transfer into two
64 mmc_hostname(host->mmc), len, &addr); in sdhci_sparx5_adma_write_desc()
66 offset = addr & (SZ_128M - 1); in sdhci_sparx5_adma_write_desc()
67 tmplen = SZ_128M - offset; in sdhci_sparx5_adma_write_desc()
[all …]
/linux-6.8/drivers/input/keyboard/
Datkbd.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (c) 1999-2002 Vojtech Pavlik
12 * input-only controllers and AT keyboards connected over a one way RS232
16 #include <linux/delay.h>
22 #include <linux/input/vivaldi-fmap.h>
58 MODULE_PARM_DESC(scroll, "Enable scroll-wheel on MS Office and similar keyboards");
61 module_param_named(extra, atkbd_extra, bool, 0);
62 MODULE_PARM_DESC(extra, "Enable extra LEDs and keys on IBM RapidAcces, EzKey and similar keyboards"…
216 bool extra; member
236 /* Serializes reconnect(), attr->set() and event work */
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/linux-6.8/drivers/gpu/drm/i915/
DKconfig.profile19 When listening to a foreign fence, we install a supplementary timer
20 to ensure that we are always signaled and our userspace is able to
28 int "Runtime autosuspend delay for userspace GGTT mmaps (ms)"
31 On runtime suspend, as we suspend the device, we have to revoke
34 the GGTT mmap can be very slow and so we impose a small hysteris
35 that complements the runtime-pm autosuspend and provides a lower
36 floor on the autosuspend delay.
38 May be 0 to disable the extra delay and solely use the device level
39 runtime pm autosuspend delay tunable.
46 check the health of the GPU and undertake regular house-keeping of
[all …]
/linux-6.8/drivers/clk/rockchip/
Dclk-mmc-phase.c1 // SPDX-License-Identifier: GPL-2.0-or-later
9 #include <linux/clk-provider.h>
41 * Each fine delay is between 44ps-77ps. Assume each fine delay is 60ps to
58 raw_value = readl(mmc_clock->reg) >> (mmc_clock->shift); in rockchip_mmc_get_phase()
82 u32 delay; in rockchip_mmc_set_phase() local
93 * most likely problem we often face and which makes it difficult in rockchip_mmc_set_phase()
98 return -EINVAL; in rockchip_mmc_set_phase()
105 * Due to the inexact nature of the "fine" delay, we might in rockchip_mmc_set_phase()
106 * actually go non-monotonic. We don't go _too_ monotonic in rockchip_mmc_set_phase()
107 * though, so we should be OK. Here are options of how we may in rockchip_mmc_set_phase()
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/linux-6.8/drivers/input/mouse/
Dsermouse.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (c) 1999-2001 Vojtech Pavlik
10 #include <linux/delay.h>
44 struct input_dev *dev = sermouse->dev; in sermouse_process_msc()
45 signed char *buf = sermouse->buf; in sermouse_process_msc()
47 switch (sermouse->count) { in sermouse_process_msc()
60 input_report_rel(dev, REL_Y, -buf[1]); in sermouse_process_msc()
61 buf[0] = data - data / 2; in sermouse_process_msc()
67 input_report_rel(dev, REL_Y, buf[1] - data); in sermouse_process_msc()
74 if (++sermouse->count == 5) in sermouse_process_msc()
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/linux-6.8/drivers/parport/
Ddaisy.c11 * ??-12-1998: Initial implementation.
12 * 31-01-1999: Make port-cloning transparent.
13 * 13-02-1999: Move DeviceID technique from parport_probe.
14 * 13-03-1999: Get DeviceID from non-IEEE 1284.3 devices too.
15 * 22-02-2000: Count devices that are actually detected.
24 #include <linux/delay.h>
44 /* Forward-declaration of lower-level functions. */
56 newdev->port = port; in add_dev()
57 newdev->daisy = daisy; in add_dev()
58 newdev->devnum = devnum; in add_dev()
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/linux-6.8/include/linux/platform_data/
Dgpmc-omap.h1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 2014 Texas Instruments, Inc. - https://www.ti.com
34 /* Chip-select signal timings corresponding to GPMC_CS_CONFIG2 */
47 /* WE signals timings corresponding to GPMC_CONFIG4 */
48 u32 we_on; /* WE assertion time */
49 u32 we_off; /* WE deassertion time */
58 u32 page_burst_access; /* Multiple access word delay */
59 u32 access; /* Start-cycle to first data valid delay */
99 u32 t_weasu; /* address setup to WE valid */
105 u32 t_bacc; /* burst access valid clock to output delay */
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/linux-6.8/arch/um/drivers/
Dvirt-pci.c1 // SPDX-License-Identifier: GPL-2.0
14 #include <linux/virtio-uml.h>
15 #include <linux/delay.h>
24 /* for MSI-X we have a 32-bit payload */
74 const void *extra, unsigned int extra_size, in um_pci_send_cmd() argument
80 [1] = extra ? &extra_sg : &in_sg, in um_pci_send_cmd()
81 [2] = extra ? &in_sg : NULL, in um_pci_send_cmd()
89 return -EINVAL; in um_pci_send_cmd()
91 switch (cmd->op) { in um_pci_send_cmd()
113 if (extra) in um_pci_send_cmd()
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/linux-6.8/fs/ocfs2/dlm/
Ddlmthread.c1 // SPDX-License-Identifier: GPL-2.0-or-later
23 #include <linux/delay.h>
40 /* will exit holding res->spinlock, but may drop in function */
41 /* waits until flags are cleared on res->state */
46 assert_spin_locked(&res->spinlock); in __dlm_wait_on_lockres_flags()
48 add_wait_queue(&res->wq, &wait); in __dlm_wait_on_lockres_flags()
51 if (res->state & flags) { in __dlm_wait_on_lockres_flags()
52 spin_unlock(&res->spinlock); in __dlm_wait_on_lockres_flags()
54 spin_lock(&res->spinlock); in __dlm_wait_on_lockres_flags()
57 remove_wait_queue(&res->wq, &wait); in __dlm_wait_on_lockres_flags()
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/linux-6.8/drivers/phy/intel/
Dphy-intel-keembay-emmc.c1 // SPDX-License-Identifier: GPL-2.0-only
9 #include <linux/delay.h>
66 ret = regmap_update_bits(priv->syscfg, PHY_CFG_0, PWR_DOWN_MASK, in keembay_emmc_phy_power()
69 dev_err(&phy->dev, "CALIO power down bar failed: %d\n", ret); in keembay_emmc_phy_power()
73 ret = regmap_update_bits(priv->syscfg, PHY_CFG_0, DLL_EN_MASK, in keembay_emmc_phy_power()
76 dev_err(&phy->dev, "turn off the dll failed: %d\n", ret); in keembay_emmc_phy_power()
84 mhz = DIV_ROUND_CLOSEST(clk_get_rate(priv->emmcclk), 1000000); in keembay_emmc_phy_power()
100 dev_warn(&phy->dev, "Unsupported rate: %d MHz\n", mhz); in keembay_emmc_phy_power()
105 * value, so we may need a little margin here in keembay_emmc_phy_power()
109 ret = regmap_update_bits(priv->syscfg, PHY_CFG_0, PWR_DOWN_MASK, in keembay_emmc_phy_power()
[all …]
Dphy-intel-lgm-emmc.c1 // SPDX-License-Identifier: GPL-2.0
9 #include <linux/delay.h>
64 ret = regmap_update_bits(priv->syscfg, EMMC_PHYCTRL1_REG, PDB_MASK, in intel_emmc_phy_power()
67 dev_err(&phy->dev, "CALIO power down bar failed: %d\n", ret); in intel_emmc_phy_power()
75 rate = clk_get_rate(priv->emmcclk); in intel_emmc_phy_power()
78 dev_warn(&phy->dev, "Unsupported rate: %lu\n", rate); in intel_emmc_phy_power()
84 * value, so we may need a little margin here in intel_emmc_phy_power()
88 ret = regmap_update_bits(priv->syscfg, EMMC_PHYCTRL1_REG, PDB_MASK, in intel_emmc_phy_power()
91 dev_err(&phy->dev, "CALIO power down bar failed: %d\n", ret); in intel_emmc_phy_power()
99 * failure cases are found which indicates we should be more tolerant in intel_emmc_phy_power()
[all …]
/linux-6.8/arch/arm64/boot/dts/qcom/
Dsc7180-trogdor-parade-ps8640.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 #include <dt-bindings/gpio/gpio.h>
11 pp3300_brij_ps8640: pp3300-brij-ps8640-regulator {
12 compatible = "regulator-fixed";
14 regulator-name = "pp3300_brij_ps8640";
16 regulator-min-microvolt = <3300000>;
17 regulator-max-microvolt = <3300000>;
20 enable-active-high;
22 pinctrl-names = "default";
23 pinctrl-0 = <&en_pp3300_edp_brij_ps8640>;
[all …]
Dsc7180-trogdor-ti-sn65dsi86.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 #include <dt-bindings/gpio/gpio.h>
17 off-on-delay-us = <500000>;
22 * extra power cycle of the touchscreen and eDP panel at bootup.
23 * This should help speed bootup because we have off-on-delay-us.
25 regulator-boot-on;
32 clock-frequency = <400000>;
37 pinctrl-names = "default";
38 pinctrl-0 = <&edp_brij_en>, <&edp_brij_irq>;
39 gpio-controller;
[all …]
Dsc7280-herobrine-crd.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 /dts-v1/;
10 #include "sc7280-herobrine.dtsi"
11 #include "sc7280-herobrine-audio-wcd9385.dtsi"
12 #include "sc7280-herobrine-lte-sku.dtsi"
22 * However, on CRD there's an extra regulator in the way. Since this
23 * is expected to be uncommon, we'll leave the "vreg_edp_bl" label
27 vreg_edp_bl_crd: vreg-edp-bl-crd-regulator {
28 compatible = "regulator-fixed";
29 regulator-name = "vreg_edp_bl_crd";
[all …]
/linux-6.8/net/ipv4/
Dtcp_vegas.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * IEEE Journal on Selected Areas in Communication, 13(8):1465--1480,
15 * o We do not change the loss detection or recovery mechanisms of
17 * using fine-grained timers, NewReno, and FACK.
19 * only every-other RTT during slow start, we increase during
22 * we use the rate at which ACKs come back as the "actual"
24 * o To speed convergence to the right rate, we set the cwnd
25 * to achieve the right ("actual") rate when we exit slow start.
26 * o To filter out the noise caused by delayed ACKs, we use the
29 * o When the sender re-starts from idle, it waits until it has
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/linux-6.8/arch/sparc/kernel/
Dsmp_32.c1 // SPDX-License-Identifier: GPL-2.0
23 #include <linux/delay.h>
65 "clock-frequency", 0); in smp_store_cpu_info()
130 sparc32_ipi_ops->resched(cpu); in arch_smp_send_reschedule()
140 sparc32_ipi_ops->single(cpu); in arch_send_call_function_single_ipi()
149 sparc32_ipi_ops->mask_one(cpu); in arch_send_call_function_ipi_mask()
158 /* re-schedule routine called by interrupt return code. */ in smp_resched_interrupt()
179 int i, cpuid, extra; in smp_prepare_cpus() local
183 extra = 0; in smp_prepare_cpus()
186 extra++; in smp_prepare_cpus()
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/linux-6.8/drivers/reset/
Dreset-brcmstb.c1 // SPDX-License-Identifier: GPL-2.0
8 #include <linux/delay.h>
14 #include <linux/reset-controller.h>
29 /* A full bank contains extra registers that we are not utilizing but still
46 writel_relaxed(SW_INIT_BIT(id), priv->base + off + SW_INIT_SET); in brcmstb_reset_assert()
57 writel_relaxed(SW_INIT_BIT(id), priv->base + off + SW_INIT_CLEAR); in brcmstb_reset_deassert()
58 /* Maximum reset delay after de-asserting a line and seeing block in brcmstb_reset_deassert()
73 return readl_relaxed(priv->base + off + SW_INIT_STATUS) & in brcmstb_reset_status()
85 struct device *kdev = &pdev->dev; in brcmstb_reset_probe()
91 return -ENOMEM; in brcmstb_reset_probe()
[all …]
/linux-6.8/include/linux/usb/
Dquirks.h1 /* SPDX-License-Identifier: GPL-2.0 */
11 /* string descriptors must not be fetched using a 255-byte read */
17 /* device can't handle Set-Interface requests */
30 /* device needs a pause during initialization, after we read the device
38 * interval = 2 ^ (bInterval-1).
69 /* Hub needs extra delay after resetting its port. */
/linux-6.8/sound/pci/emu10k1/
Demupcm.c1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Lee Revell <rlrevell@joe-job.com>
5 * James Courtier-Dutton <James@superbug.co.uk>
13 #include <linux/delay.h>
25 epcm = voice->epcm; in snd_emu10k1_pcm_interrupt()
28 if (epcm->substream == NULL) in snd_emu10k1_pcm_interrupt()
31 dev_dbg(emu->card->dev, in snd_emu10k1_pcm_interrupt()
33 epcm->substream->runtime->hw->pointer(emu, epcm->substream), in snd_emu10k1_pcm_interrupt()
34 snd_pcm_lib_period_bytes(epcm->substream), in snd_emu10k1_pcm_interrupt()
35 snd_pcm_lib_buffer_bytes(epcm->substream)); in snd_emu10k1_pcm_interrupt()
[all …]
/linux-6.8/tools/kvm/kvm_stat/
Dkvm_stat2 # SPDX-License-Identifier: GPL-2.0-only
4 # top-like utility for displaying kvm statistics
6 # Copyright 2006-2008 Qumranet Technologies
7 # Copyright 2008-2011 Red Hat, Inc.
15 - as a top-like text ui
16 - in a key -> value format
17 - in an all keys, all values format
484 close it itself automatically, so we do it.
493 Used to set up performance events, returns a file descriptor or -1
497 - syscall number
[all …]
/linux-6.8/arch/powerpc/kernel/
Deeh_pe.c1 // SPDX-License-Identifier: GPL-2.0-or-later
12 #include <linux/delay.h>
20 #include <asm/pci-bridge.h>
21 #include <asm/ppc-pci.h>
27 * eeh_set_pe_aux_size - Set PE auxillary data size
41 * eeh_pe_alloc - Allocate PE
63 pe->type = type; in eeh_pe_alloc()
64 pe->phb = phb; in eeh_pe_alloc()
65 INIT_LIST_HEAD(&pe->child_list); in eeh_pe_alloc()
66 INIT_LIST_HEAD(&pe->edevs); in eeh_pe_alloc()
[all …]
/linux-6.8/arch/m68k/atari/
Ddebug.c6 * Assembled of parts of former atari/config.c 97-12-18 by Roman Hodek
17 #include <linux/delay.h>
31 .index = -1,
45 while (count--) { in atari_mfp_console_write()
64 while (count--) { in atari_scc_console_write()
81 while (count--) { in atari_midi_console_write()
91 /* This a some-seconds timeout in case no printer is connected */ in ata_par_out()
94 while ((st_mfp.par_dt_reg & 1) && --i) /* wait for BUSY == L */ in ata_par_out()
117 while (count--) { in atari_par_console_write()
175 baud = B9600; /* use default 9600bps for non-implemented rates */ in atari_init_mfp_port()
[all …]
/linux-6.8/drivers/fpga/
Dxilinx-spi.c1 // SPDX-License-Identifier: GPL-2.0-only
13 #include <linux/delay.h>
15 #include <linux/fpga/fpga-mgr.h>
32 struct xilinx_spi_conf *conf = mgr->priv; in get_done_gpio()
35 ret = gpiod_get_value(conf->done); in get_done_gpio()
38 dev_err(&mgr->dev, "Error reading DONE (%d)\n", ret); in get_done_gpio()
52 * wait_for_init_b - wait for the INIT_B pin to have a given state, or wait
53 * a given delay if the pin is unavailable
57 * @alt_udelay: Delay to wait if the INIT_B GPIO is not available
59 * Returns 0 when the INIT_B GPIO reached the given state or -ETIMEDOUT if
[all …]

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