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/linux-6.14.4/Documentation/devicetree/bindings/serial/
Dpl011.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rob Herring <[email protected]>
13 - $ref: /schemas/arm/primecell.yaml#
14 - $ref: serial.yaml#
22 - arm,pl011
24 - compatible
29 - const: arm,pl011
30 - const: arm,primecell
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/linux-6.14.4/Documentation/accounting/
Dpsi.rst4 PSI - Pressure Stall Information
14 either play it safe and under-utilize their hardware resources, or
23 scarcity aids users in sizing workloads to hardware--or provisioning
38 respective file in /proc/pressure/ -- cpu, memory, and io.
48 The "full" line indicates the share of time in which all non-idle
70 Users can register triggers and use poll() to be woken up when resource
74 time window, e.g. 100ms of total stall time within any 500ms window to
80 used to wait for trigger events using select(), poll() or epoll().
86 would add 150ms threshold for partial memory stall measured within
88 would add 50ms threshold for full io stall measured within 1sec time window.
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/linux-6.14.4/tools/testing/selftests/damon/
Ddamos_apply_interval.py2 # SPDX-License-Identifier: GPL-2.0
14 # Set quota up to 1 MiB per 100 ms
22 # >= 25% access rate, >= 200ms age
23 nr_accesses=[5, 20], age=[2, 2**64 - 1]),
24 # aggregation interval (100 ms) is used
26 # use 10ms apply interval
29 # >= 25% access rate, >= 200ms age
30 nr_accesses=[5, 20], age=[2, 2**64 - 1]),
31 # explicitly set 10 ms apply interval
44 while proc.poll() == None:
Ddamos_quota.py2 # SPDX-License-Identifier: GPL-2.0
14 # Set quota up to 1 MiB per 100 ms
16 quota_reset_interval = 100 # 100 ms
23 # >= 25% access rate, >= 200ms age
24 nr_accesses=[5, 20], age=[2, 2**64 - 1]),
38 while proc.poll() == None:
Dsysfs_update_schemes_tried_regions_wss_estimation.py2 # SPDX-License-Identifier: GPL-2.0
19 # >= 25% access rate, >= 200ms age
20 nr_accesses=[5, 20], age=[2, 2**64 - 1]))] # schemes
30 while proc.poll() == None:
44 error_rate = abs(sample - sz_region) / sz_region
45 print('%d-th percentile (%d) error %f' %
48 print('the error rate is not acceptable (> %f)' %
/linux-6.14.4/drivers/net/wireless/ti/wlcore/
Dconf.h1 /* SPDX-License-Identifier: GPL-2.0-only */
117 * Range: 0 - 0xFFFFFFFF
130 * after a PS-poll has been transmitted.
132 * Range: 0 - 200000
139 * Range: 0 - 200000
147 * Range: 0 - 4096
161 * Occupied Rx mem-blocks number which requires interrupting the host
177 * Max time in msec the FW may delay RX-Complete interrupt.
179 * Range: 1 - 100
203 * of the 22Mbps rate. There is a FW limitation on 12 rates so we must drop
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/linux-6.14.4/drivers/input/misc/
Dkxtj9.c1 // SPDX-License-Identifier: GPL-2.0-only
53 * The following table lists the maximum appropriate poll interval for each
54 * available output data rate.
84 .addr = tj9->client->addr, in kxtj9_i2c_read()
85 .flags = tj9->client->flags, in kxtj9_i2c_read()
90 .addr = tj9->client->addr, in kxtj9_i2c_read()
91 .flags = tj9->client->flags | I2C_M_RD, in kxtj9_i2c_read()
97 return i2c_transfer(tj9->client->adapter, msgs, 2); in kxtj9_i2c_read()
108 dev_err(&tj9->client->dev, "accelerometer data read failed\n"); in kxtj9_report_acceleration_data()
110 x = le16_to_cpu(acc_data[tj9->pdata.axis_map_x]); in kxtj9_report_acceleration_data()
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/linux-6.14.4/include/uapi/linux/
Dfd.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
28 #define FD_SECTBASE(floppy) ((((floppy)->stretch & FD_SECTBASEMASK) >> 2) ^ 1)
32 rate, /* data rate. |= 0x40 for perpendicular */ member
35 #define FD_SIZECODE(floppy) (((((floppy)->rate&FD_SIZECODEMASK)>> 3)+ 2) %8)
36 #define FD_SECTSIZE(floppy) ( (floppy)->rate & FD_2M ? \
40 spec1, /* stepping rate, head unload time */
50 /* clear user-defined parameters */
54 /* set user-defined parameters for current media */
100 * ultra cheap floppies ;-)
130 /* Spec2 is (HLD<<1 | ND), where HLD is head load time (1=2ms, 2=4 ms
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/linux-6.14.4/drivers/input/mouse/
Dsynaptics_i2c.c29 * after soft reset, we should wait for 1 ms
33 /* and after hard reset, we should wait for max 500ms */
182 * reduce the polling rate to NO_DATA_SLEEP_MSECS
212 /* Control Polling Rate */
215 MODULE_PARM_DESC(scan_rate, "Polling rate in times/sec. Default = 80");
232 touch->scan_ms = MSEC_PER_SEC / scan_rate; in set_scan_rate()
233 touch->scan_rate_param = scan_rate; in set_scan_rate()
279 /* set Report Rate to Device Highest (>=80) and Sleep to normal */ in synaptics_i2c_config()
311 dev_err(&client->dev, "Unable to reset device\n"); in synaptics_i2c_reset_config()
316 dev_err(&client->dev, "Unable to config device\n"); in synaptics_i2c_reset_config()
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/linux-6.14.4/drivers/hwmon/
Daht10.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * aht10.c - Linux hwmon driver for AHT10/AHT20 Temperature and Humidity sensors
21 * Poll intervals (in milliseconds)
61 * struct aht10_data - All the data required to operate an AHT10/AHT20 chip
65 * @min_poll_interval: the minimum poll interval
66 * While the poll rate limit is not 100% necessary,
71 * it to 0. Default value is 2000 ms
98 * aht10_init() - Initialize an AHT10/AHT20 chip
108 struct i2c_client *client = data->client; in aht10_init()
119 return -ENODATA; in aht10_init()
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Dstts751.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (C) 2016-2017 Istituto Italiano di Tecnologia - RBCS - EDL
17 #include <linux/hwmon-sysfs.h>
32 0x48, 0x49, 0x38, 0x39, /* STTS751-0 */
33 0x4A, 0x4B, 0x3A, 0x3B, /* STTS751-1 */
65 * Possible update intervals are (in mS):
68 * approx value in mS.
104 * vice-vers. They are (mostly) taken from lm90 driver. Unit is in mC.
120 switch (priv->interval) { in stts751_adjust_resolution()
135 if (priv->res == res) in stts751_adjust_resolution()
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/linux-6.14.4/drivers/iio/pressure/
Ddps310.c1 // SPDX-License-Identifier: GPL-2.0+
14 * - Optionally support the FIFO
60 /* Make sure sleep time is <= 30ms for usleep_range */
62 /* Silently handle error in rate value here */
119 rc = regmap_bulk_read(data->regmap, DPS310_COEF_BASE, coef, in dps310_get_coefs()
126 * numbers are 12-bit 2's complement numbers. in dps310_get_coefs()
129 data->c0 = sign_extend32(c0, 11); in dps310_get_coefs()
132 data->c1 = sign_extend32(c1, 11); in dps310_get_coefs()
140 data->c00 = sign_extend32(c00, 19); in dps310_get_coefs()
143 data->c10 = sign_extend32(c10, 19); in dps310_get_coefs()
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Dzpa2326.c1 // SPDX-License-Identifier: GPL-2.0-only
23 * saving at the cost of lower sampling rate and higher software overhead.
34 * - get device out of low power mode,
35 * - setup hardware sampling period,
36 * - at end of period, upon data ready interrupt: pop pressure samples out of
38 * - when no longer needed, stop sampling process by putting device into
45 * internal hardware trigger is attached as the highest sampling rate seems to
70 /* 200 ms should be enough for the longest conversion time in one-shot mode. */
73 /* There should be a 1 ms delay (Tpup) after getting out of reset. */
78 * struct zpa2326_frequency - Hardware sampling frequency descriptor
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/linux-6.14.4/drivers/media/usb/dvb-usb/
Ddvb-usb-remote.c1 // SPDX-License-Identifier: GPL-2.0
2 /* dvb-usb-remote.c is part of the DVB USB library.
4 * Copyright (C) 2004-6 Patrick Boettcher ([email protected])
5 * see dvb-usb-init.c for copyright information.
7 …* This file contains functions for initializing the input-device and for handling remote-control-q…
9 #include "dvb-usb-common.h"
20 if (ke->flags & INPUT_KEYMAP_BY_INDEX) { in legacy_dvb_usb_get_keymap_index()
21 index = ke->index; in legacy_dvb_usb_get_keymap_index()
49 struct rc_map_table *keymap = d->props.rc.legacy.rc_map_table; in legacy_dvb_usb_getkeycode()
50 unsigned int keymap_size = d->props.rc.legacy.rc_map_size; in legacy_dvb_usb_getkeycode()
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/linux-6.14.4/drivers/spi/
Dspi-apple.c1 // SPDX-License-Identifier: GPL-2.0
7 // Based on spi-sifive.c, Copyright 2018 SiFive, Inc.
114 * intra-word delay is 0xffff refclocks. So the maximum time a transfer
117 * (0x7ff * 32 + 0xffff) * 16 / 24e6 Hz ~= 87ms
119 * Double it and round it up to 200ms for good measure.
126 struct completion done; /* wake-up from interrupt */
131 writel_relaxed(value, spi->regs + offset); in reg_write()
136 return readl_relaxed(spi->regs + offset); in reg_read()
150 /* Set CS high (inactive) and disable override and auto-CS */ in apple_spi_init()
176 struct spi_device *device = msg->spi; in apple_spi_prepare_message()
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/linux-6.14.4/drivers/staging/rtl8723bs/hal/
Drtl8723b_cmd.c1 // SPDX-License-Identifier: GPL-2.0
4 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
30 } while ((!read_down) && (retry_cnts--)); in _is_fw_read_cmd_down()
39 *| 31 - 8 |7-5 | 4 - 0 |
41 *| 31-0 |
57 if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->h2c_fwcmd_mutex))) in FillH2CCmd8723B()
68 if (padapter->bSurpriseRemoved) in FillH2CCmd8723B()
73 h2c_box_num = pHalData->LastHMEBoxNum; in FillH2CCmd8723B()
82 memcpy((u8 *)(&h2c_cmd_ex), pCmdBuffer+3, CmdLen-3); in FillH2CCmd8723B()
95 pHalData->LastHMEBoxNum = (h2c_box_num+1) % MAX_H2C_BOX_NUMS; in FillH2CCmd8723B()
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/linux-6.14.4/drivers/gpu/drm/i915/
Di915_perf_types.h1 /* SPDX-License-Identifier: MIT */
13 #include <linux/poll.h>
101 * struct i915_perf_stream_ops - the OPs to support a specific stream type
144 * Only write complete records; returning -%ENOSPC if there isn't room
148 * -%ENOSPC or -%EFAULT, even though these may be squashed before
165 * struct i915_perf_stream - state for a single open stream FD
203 * @ctx: %NULL if measuring system-wide across all contexts or a
258 * (e.g. during a read() or poll()).
305 * hrtimer callbacks (5ms period) and that reads typically only
346 * struct i915_oa_ops - Gen specific implementation of an OA unit stream
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/linux-6.14.4/Documentation/driver-api/thermal/
Dintel_dptf.rst1 .. SPDX-License-Identifier: GPL-2.0
12 ------------
31 ----------------------------
43 "42A441D6-AE6A-462b-A84B-4A8CE79027D3" : Passive 1
45 "3A95C389-E4B8-4629-A526-C52C88626BAE" : Active
47 "97C68AE7-15FA-499c-B8C9-5DA81D606E0A" : Critical
49 "63BE270F-1C11-48FD-A6F7-3AF253FF3E2D" : Adaptive performance
51 "5349962F-71E6-431D-9AE8-0A635B710AEE" : Emergency call
53 "9E04115A-AE87-4D1C-9500-0F3E340BFE75" : Passive 2
55 "F5A35014-C209-46A4-993A-EB56DE7530A1" : Power Boss
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/linux-6.14.4/drivers/net/ethernet/intel/ixgbe/
Dixgbe_82599.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 1999 - 2024 Intel Corporation. */
65 struct ixgbe_mac_info *mac = &hw->mac; in ixgbe_init_mac_link_ops_82599()
70 if ((mac->ops.get_media_type(hw) == ixgbe_media_type_fiber) && in ixgbe_init_mac_link_ops_82599()
72 mac->ops.disable_tx_laser = in ixgbe_init_mac_link_ops_82599()
74 mac->ops.enable_tx_laser = in ixgbe_init_mac_link_ops_82599()
76 mac->ops.flap_tx_laser = &ixgbe_flap_tx_laser_multispeed_fiber; in ixgbe_init_mac_link_ops_82599()
78 mac->ops.disable_tx_laser = NULL; in ixgbe_init_mac_link_ops_82599()
79 mac->ops.enable_tx_laser = NULL; in ixgbe_init_mac_link_ops_82599()
80 mac->ops.flap_tx_laser = NULL; in ixgbe_init_mac_link_ops_82599()
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/linux-6.14.4/drivers/net/wireless/ath/ath10k/
Dwmi.h1 /* SPDX-License-Identifier: ISC */
3 * Copyright (c) 2005-2011 Atheros Communications Inc.
4 * Copyright (c) 2011-2017 Qualcomm Atheros, Inc.
5 * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
6 * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved.
29 * 1. Add new WMI commands ONLY within the specified range - 0x9000 - 0x9fff
45 * variable is already 4-byte aligned by virtue of being a u32
527 * for wmi_services is 64 as target is using only 4-bits of each 32-bit
533 __le32_to_cpu((wmi_svc_bmap)[((svc_id) - (len)) / 28]) & \
534 BIT(((((svc_id) - (len)) % 28) & 0x1f) + 4))
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Dhtt_rx.c1 // SPDX-License-Identifier: ISC
3 * Copyright (c) 2005-2011 Atheros Communications Inc.
4 * Copyright (c) 2011-2017 Qualcomm Atheros, Inc.
35 hash_for_each_possible(ar->htt.rx_ring.skb_table, rxcb, hlist, paddr) in ath10k_htt_rx_find_skb_paddr()
36 if (rxcb->paddr == paddr) in ath10k_htt_rx_find_skb_paddr()
50 if (htt->rx_ring.in_ord_rx) { in ath10k_htt_rx_ring_free()
51 hash_for_each_safe(htt->rx_ring.skb_table, i, n, rxcb, hlist) { in ath10k_htt_rx_ring_free()
53 dma_unmap_single(htt->ar->dev, rxcb->paddr, in ath10k_htt_rx_ring_free()
54 skb->len + skb_tailroom(skb), in ath10k_htt_rx_ring_free()
56 hash_del(&rxcb->hlist); in ath10k_htt_rx_ring_free()
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/linux-6.14.4/drivers/mmc/core/
Dmmc_ops.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright 2006-2007 Pierre Ossman
24 #define MMC_OP_COND_PERIOD_US (4 * 1000) /* 4ms */
75 if (!mmc_host_is_spi(card->host)) in __mmc_send_status()
76 cmd.arg = card->rca << 16; in __mmc_send_status()
79 err = mmc_wait_for_cmd(card->host, &cmd, retries); in __mmc_send_status()
106 cmd.arg = card->rca << 16; in _mmc_select_card()
119 return _mmc_select_card(card->host, card); in mmc_select_card()
141 cmd.arg = (host->dsr << 16) | 0xffff; in mmc_set_dsr()
167 * Non-SPI hosts need to prevent chipselect going active during in mmc_go_idle()
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/linux-6.14.4/Documentation/driver-api/media/drivers/
Dvidtv.rst1 .. SPDX-License-Identifier: GPL-2.0
10 ----------
18 - A fake tuner driver, which will report a bad signal quality if the chosen
22 - A fake demod driver, which will constantly poll the fake signal quality
26 - A fake bridge driver, which is the module responsible for modprobing the
31 - Code responsible for encoding a valid MPEG Transport Stream, which is then
33 For now, we have a single, audio-only channel containing a single MPEG
34 Elementary Stream, which in turn contains a SMPTE 302m encoded sine-wave.
39 --------------
45 - Enable **DVB_TEST_DRIVERS**, then
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/linux-6.14.4/drivers/net/phy/
Dsfp.c1 // SPDX-License-Identifier: GPL-2.0
9 #include <linux/mdio/mdio-i2c.h>
150 "mod-def0",
152 "tx-fault",
153 "tx-disable",
154 "rate-select0",
155 "rate-select1",
167 /* t_start_up (SFF-8431) or t_init (SFF-8472) is the time required for a
168 * non-cooled module to initialise its laser safety circuitry. We wait
200 * The SFF-8472 specifies t_serial ("Time from power on until module is
[all …]
/linux-6.14.4/include/media/
Dcec.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * cec - HDMI Consumer Electronics Control support header
11 #include <linux/poll.h>
17 #include <linux/cec-funcs.h>
18 #include <media/rc-core.h>
24 * struct cec_devnode - cec device node
34 * This structure represents a cec-related device node.
113 /* The nominal data bit period is 2.4 ms */
117 /* Low-level callbacks, called with adap->lock held */
130 /* Error injection callbacks, called without adap->lock held */
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