| /linux/Documentation/devicetree/bindings/sound/ |
| H A D | da7218.txt | 3 DA7218 is an audio codec with HP detect feature.
8 - compatible : Should be "dlg,da7217" or "dlg,da7218"
9 - reg: Specifies the I2C slave address
11 - VDD-supply: VDD power supply for the device
12 - VDDMIC-supply: VDDMIC power supply for the device
13 - VDDIO-supply: VDDIO power supply for the device
18 - interrupts: IRQ line info for DA7218 chip.
19 (See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt for
21 - interrupt-names : Name associated with interrupt line. Should be "wakeup" if
23 - wakeup-source: Flag to indicate this device can wake system (suspend/resume).
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| H A D | cirrus,cs42l43.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - patches@opensource.cirrus.com
21 - $ref: dai-common.yaml#
26 - cirrus,cs42l43
31 vdd-p-supply:
35 vdd-a-supply:
39 vdd-d-supply:
43 vdd-io-supply:
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| /linux/Documentation/tools/rtla/ |
| H A D | rtla-hwnoise.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 rtla-hwnoise
6 ------------------------------------------
7 Detect and quantify hardware-related noise
8 ------------------------------------------
22 of threads as a consequence, only non-maskable interrupts and hardware-related
38 In the example below, the **rtla hwnoise** tool is set to run on CPUs *1-7*
39 on a system with 8 cores/16 threads with hyper-threading enabled.
41 The tool is set to detect any noise higher than *one microsecond*,
45 # rtla hwnoise -c 1-7 -T 1 -d 10m -q
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| /linux/drivers/usb/storage/ |
| H A D | shuttle_usbat.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Driver for SCM Microsystems (a.k.a. Shuttle) USB-ATAPI cable
20 * which does the USB-to-ATAPI conversion. By obtaining the data sheet on
46 #define DRV_NAME "ums-usbat"
48 MODULE_DESCRIPTION("Driver for SCM Microsystems (a.k.a. Shuttle) USB-ATAPI cable");
107 #define USBAT_UIO_CDT 0x40 /* Card Detect (Read Only) */
118 #define USBAT_UIO_ACKD 0x40 /* Enable Card Detect */
149 static int usbat_flash_transport(struct scsi_cmnd * srb, struct us_data *us);
150 static int usbat_hp8200e_transport(struct scsi_cmnd *srb, struct us_data *us);
152 static int init_usbat_cd(struct us_data *us);
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| H A D | isd200.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Transport & Protocol Driver for In-System Design, Inc. ISD200 ASIC
6 * (C) 2001-2002 Björn Stenberg (bjorn@haxx.se)
12 * (C) 2000 In-System Design, Inc. (support@in-system.com)
20 * 2002-10-19: Removed the specialized transfer routines.
22 * 2001-02-24: Removed lots of duplicate code and simplified the structure.
24 * 2002-01-16: Fixed endianness bug so it works on the ppc arch.
26 * 2002-01-17: All bitfields removed.
51 #define DRV_NAME "ums-isd200"
53 MODULE_DESCRIPTION("Driver for In-System Design, Inc. ISD200 ASIC");
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| /linux/Documentation/w1/masters/ |
| H A D | w1-uart.rst | 1 .. SPDX-License-Identifier: GPL-2.0-or-later
4 Kernel driver w1-uart
11 -----------
13 UART 1-Wire bus driver. The driver utilizes the UART interface via the
14 Serial Device Bus to create the 1-Wire timing patterns as described in
15 the document `"Using a UART to Implement a 1-Wire Bus Master"`_.
17 …g a UART to Implement a 1-Wire Bus Master": https://www.analog.com/en/technical-articles/using-a-u…
19 In short, the UART peripheral must support full-duplex and operate in
20 open-drain mode. The timing patterns are generated by a specific
21 combination of baud-rate and transmitted byte, which corresponds to a
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| /linux/include/linux/ |
| H A D | integrity.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
4 * Author: Mimi Zohar <zohar@us.ibm.com>
40 * On stacked filesystems the i_version alone is not enough to detect file data
47 attrs->version = i_version; in integrity_inode_attrs_store()
48 attrs->dev = inode->i_sb->s_dev; in integrity_inode_attrs_store()
49 attrs->ino = inode->i_ino; in integrity_inode_attrs_store()
53 * On stacked filesystems detect whether the inode or its content has changed.
59 return (inode->i_sb->s_dev != attrs->dev || in integrity_inode_attrs_changed()
60 inode->i_ino != attrs->ino || in integrity_inode_attrs_changed()
61 !inode_eq_iversion(inode, attrs->version)); in integrity_inode_attrs_changed()
|
| /linux/drivers/w1/masters/ |
| H A D | w1-uart.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * w1-uart - UART 1-Wire bus driver
5 * Uses the UART interface (via Serial Device Bus) to create the 1-Wire
6 * timing patterns. Implements the following 1-Wire master interface:
8 * - reset_bus: requests baud-rate 9600
10 * - touch_bit: requests baud-rate 115200
27 /* Timeout to wait for completion of serdev-receive */
31 * struct w1_uart_config - configuration for 1-Wire operation
32 * @baudrate: baud-rate returned from serdev
33 * @delay_us: delay to complete a 1-Wire cycle (in us)
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| /linux/Documentation/usb/ |
| H A D | gadget_multi.rst | 18 have two configurations -- one with RNDIS and another with CDC ECM[3].
20 Please note that if you use non-standard configuration (that is enable
26 To make use of the gadget one needs to make it work on host side --
31 ------------------
38 This is also true for two configuration set-up with RNDIS
43 --------------------
50 First of all, Windows need to detect the gadget as an USB composite
61 create a proper INF -- and of course, if you do submit it!
69 For mass storage it is trivial since Windows detect it's an interface
90 Similarly, [[file:linux-cdc-acm.inf]] is provided for CDC ACM.
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| /linux/tools/testing/selftests/kvm/ |
| H A D | rseq_test.c | 1 // SPDX-License-Identifier: GPL-2.0-only
33 * Any bug related to task migration is likely to be timing-dependent; perform
86 * Bump the sequence count twice to allow the reader to detect in migration_worker()
89 * is in-progress, while a completely different count indicates in migration_worker()
96 * stable, i.e. while changing affinity is in-progress. in migration_worker()
108 * Wait 1-10us before proceeding to the next iteration and more in migration_worker()
135 * 3. To ensure the read-side makes efficient forward progress, in migration_worker()
136 * e.g. if getcpu() involves a syscall. Stalling the read-side in migration_worker()
138 * to stabilize and less time trying to hit the timing-dependent in migration_worker()
141 * Because any bug in this area is likely to be timing-dependent, in migration_worker()
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| /linux/Documentation/hwmon/ |
| H A D | k10temp.rst | 8 Socket F: Quad-Core/Six-Core/Embedded Opteron (but see below)
10 Socket AM2+: Quad-Core Opteron, Phenom (II) X3/X4, Athlon X2 (but see below)
12 Socket AM3: Quad-Core Opteron, Athlon/Phenom II X2/X3/X4, Sempron II
20 * AMD Family 12h processors: "Llano" (E2/A4/A6/A8-Series)
22 * AMD Family 14h processors: "Brazos" (C/E/G/Z-Series)
24 * AMD Family 15h processors: "Bulldozer" (FX-Series), "Trinity", "Kaveri",
43 http://support.amd.com/us/Processor_TechDocs/31116.pdf
47 http://support.amd.com/us/Processor_TechDocs/41256.pdf
51 http://support.amd.com/us/Processor_TechDocs/41131.pdf
53 BIOS and Kernel Developer's Guide (BKDG) for AMD Family 14h Models 00h-0Fh Processors:
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| H A D | zl6100.rst | 10 Addresses scanned: -
12 Datasheet: https://www.renesas.com/us/en/document/dst/zl2004-datasheet.pdf
18 Addresses scanned: -
20 Datasheet: https://www.renesas.com/us/en/document/dst/zl2005-datasheet.pdf
26 Addresses scanned: -
28 Datasheet: https://www.renesas.com/us/en/document/dst/zl2006-datasheet.pdf
34 Addresses scanned: -
36 Datasheet: https://www.renesas.com/us/en/document/dst/zl2008-datasheet.pdf
42 Addresses scanned: -
44 Datasheet: https://www.renesas.com/us/en/document/dst/zl2105-datasheet.pdf
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| /linux/drivers/input/touchscreen/ |
| H A D | stmpe-ts.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
46 #define STMPE_TS_NAME "stmpe-ts"
50 * struct stmpe_touch - stmpe811 touch screen controller state
57 * (0 -> 1 sample, 1 -> 2 samples, 2 -> 4 samples, 3 -> 8 samples)
58 * @touch_det_delay: Touch detect interrupt delay
59 * (0 -> 10 us, 1 -> 50 us, 2 -> 100 us, 3 -> 500 us,
60 * 4-> 1 ms, 5 -> 5 ms, 6 -> 10 ms, 7 -> 50 ms)
63 * (0 -> 10 us, 1 -> 100 us, 2 -> 500 us, 3 -> 1 ms,
64 * 4 -> 5 ms, 5 -> 10 ms, 6 for 50 ms, 7 -> 100 ms)
70 * (0 -> 20 mA typical 35 mA max, 1 -> 50 mA typical 80 mA max)
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| /linux/arch/mips/include/asm/ |
| H A D | mips-cps.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
106 #include <asm/mips-cm.h>
107 #include <asm/mips-cpc.h>
108 #include <asm/mips-gic.h>
111 * mips_cps_numclusters - return the number of clusters present in the system
124 * mips_cps_cluster_config - return (GCR|CPC)_CONFIG from a cluster
147 * powered up allowing us not to need to power up the CM. in mips_cps_cluster_config()
158 * mips_cps_numcores - return the number of cores present in a cluster
175 * mips_cps_numiocu - return the number of IOCUs present in a cluster
191 * mips_cps_numvps - return the number of VPs (threads) supported by a core
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| /linux/lib/ |
| H A D | Kconfig.kasan | 1 # SPDX-License-Identifier: GPL-2.0-only
23 def_bool $(cc-option, -fsanitize=kernel-address)
26 def_bool $(cc-option, -fsanitize=kernel-hwaddress)
43 Enables KASAN (Kernel Address Sanitizer) - a dynamic memory safety
44 error detector designed to find out-of-bounds and use-after-free bugs.
46 See Documentation/dev-tools/kasan.rst for details.
53 …def_bool (CC_IS_CLANG && $(cc-option,-fsanitize=kernel-address -mllvm -asan-kernel-mem-intrinsic-p…
54 (CC_IS_GCC && $(cc-option,-fsanitize=kernel-address --param asan-kernel-mem-intrinsic-prefix=1))
69 2. Software Tag-Based KASAN (arm64 only, based on software memory
72 3. Hardware Tag-Based KASAN (arm64 only, based on hardware memory
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| /linux/arch/arm/boot/dts/nxp/imx/ |
| H A D | imx6ull-dhcom-picoitx.dts | 1 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
6 * DHCM-iMX6ULL-C080-R051-F0409-SPI-E2-CAN2-SD-RTC-ADC-I-01D2
7 * DHCOR PCB number: 578-200 or newer
8 * DHCOM PCB number: 579-200 or newer
9 * PicoITX PCB number: 487-600 or newer
11 /dts-v1/;
13 #include "imx6ull-dhcom-som.dtsi"
14 #include "imx6ull-dhcom-som-cfg-sdcard.dtsi"
18 compatible = "dh,imx6ull-dhcom-picoitx", "dh,imx6ull-dhcom-som",
19 "dh,imx6ull-dhcor-som", "fsl,imx6ull";
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| /linux/arch/arm/boot/dts/rockchip/ |
| H A D | rv1126-edgeble-neu2-io.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 /dts-v1/;
9 #include "rv1126-edgeble-neu2.dtsi"
13 compatible = "edgeble,neural-compute-module-2-io",
14 "edgeble,neural-compute-module-2", "rockchip,rv1126";
21 stdout-path = "serial2:1500000n8";
24 vcc12v_dcin: vcc12v-dcin-regulator {
25 compatible = "regulator-fixed";
26 regulator-name = "vcc12v_dcin";
27 regulator-always-on;
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| /linux/Documentation/trace/ |
| H A D | hwlat_detector.rst | 6 -------------
9 detect large system latencies induced by the behavior of certain underlying
11 originally to detect SMIs (System Management Interrupts) on x86 systems,
36 ------
40 redefine the threshold in microseconds (us) above which latency spikes will
50 - width - time period to sample with CPUs held (usecs)
52 - window - total period of sampling, width being inside (usecs)
74 - tracing_threshold - minimum latency value to be considered (usecs)
75 - tracing_max_latency - maximum hardware latency actually observed (usecs)
76 - tracing_cpumask - the CPUs to move the hwlat thread across
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| /linux/arch/arm/boot/dts/st/ |
| H A D | ste-ux500-samsung-gavini.dts | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Devicetree for the Samsung Galaxy Beam GT-I8530 also known as Gavini.
6 /dts-v1/;
7 #include "ste-db8500.dtsi"
8 #include "ste-ab8500.dtsi"
9 #include "ste-dbx5x0-pinctrl.dtsi"
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/leds/common.h>
12 #include <dt-bindings/input/input.h>
13 #include <dt-bindings/interrupt-controller/irq.h>
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| /linux/sound/pci/ice1712/ |
| H A D | wm8776.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
7 * Copyright (c) 2012 Ondrej Zary <linux@rainbow-software.org>
16 /* low-level access */
24 wm->regs[addr] = data; in snd_wm8776_write()
25 wm->ops.write(wm, bus_addr, bus_data); in snd_wm8776_write()
28 /* register-level functions */
34 struct snd_card *card = wm->card; in snd_wm8776_activate_ctl()
42 index_offset = snd_ctl_get_ioff(kctl, &kctl->id); in snd_wm8776_activate_ctl()
43 vd = &kctl->vd[index_offset]; in snd_wm8776_activate_ctl()
45 vd->access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; in snd_wm8776_activate_ctl()
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| /linux/tools/perf/pmu-events/arch/x86/jaketown/ |
| H A D | uncore-power.json | 88 …"PublicDescription": "Counts the number of times when a configurable cores had a C-state demotion",
97 …"PublicDescription": "Counts the number of times when a configurable cores had a C-state demotion",
106 …"PublicDescription": "Counts the number of times when a configurable cores had a C-state demotion",
115 …"PublicDescription": "Counts the number of times when a configurable cores had a C-state demotion",
124 …"PublicDescription": "Counts the number of times when a configurable cores had a C-state demotion",
133 …"PublicDescription": "Counts the number of times when a configurable cores had a C-state demotion",
142 …"PublicDescription": "Counts the number of times when a configurable cores had a C-state demotion",
151 …"PublicDescription": "Counts the number of times when a configurable cores had a C-state demotion",
160 …so it is possible to track up to 4 configurable bands. One can use edge detect in conjunction wit…
169 …so it is possible to track up to 4 configurable bands. One can use edge detect in conjunction wit…
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| /linux/tools/testing/selftests/drivers/net/hw/ |
| H A D | ethtool_rmon.sh | 2 # SPDX-License-Identifier: GPL-2.0
16 declare -A netif_mtu
22 local current=$(ip -j link show dev $iface | jq -r '.[0].mtu')
23 local required=$((len - ETH_HLEN - ETH_FCS_LEN))
25 if [ $current -lt $required ]; then
44 # Mausezahn does not include FCS bytes in its length - but the
46 len=$((len - ETH_FCS_LEN))
49 before=$(ethtool --json -S $iface --groups rmon | \
50 jq -r ".[0].rmon[\"${set}-pktsNtoM\"][$bucket].val")
52 # Send 10k one way and 20k in the other, to detect counters
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| /linux/arch/powerpc/kernel/ |
| H A D | watchdog.c | 1 // SPDX-License-Identifier: GPL-2.0
37 * period, and updates a per-cpu timestamp and a "pending" cpumask. This is
41 * The local soft-NMI, and the SMP checker.
43 * The soft-NMI checker can detect lockups on the local CPU. When interrupts
44 * are disabled with local_irq_disable(), platforms that use soft-masking
48 * interrupt, and can be used to detect CPUs stuck with IRQs disabled.
50 * The soft-NMI checker will compare the heartbeat timestamp for this CPU
54 * The limitation of the soft-NMI watchdog is that it does not work when
59 * The SMP checker can detect lockups on other CPUs. A global "pending"
71 * watchdog to detect an unresponsive CPU and pull it out of its stuck
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| /linux/sound/drivers/opl3/ |
| H A D | opl3_lib.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Hannu Savolainen 1993-1996,
22 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>, Hannu Savolainen 1993-1996, Rob Hooft");
32 * The original 2-OP synth requires a quite long delay in snd_opl2_command()
36 port = (cmd & OPL3_RIGHT) ? opl3->r_port : opl3->l_port; in snd_opl2_command()
38 spin_lock_irqsave(&opl3->reg_lock, flags); in snd_opl2_command()
46 spin_unlock_irqrestore(&opl3->reg_lock, flags); in snd_opl2_command()
55 * The OPL-3 survives with just two INBs in snd_opl3_command()
59 port = (cmd & OPL3_RIGHT) ? opl3->r_port : opl3->l_port; in snd_opl3_command()
61 spin_lock_irqsave(&opl3->reg_lock, flags); in snd_opl3_command()
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| /linux/tools/testing/selftests/powerpc/tm/ |
| H A D | tm-signal-msr-resv.c | 1 // SPDX-License-Identifier: GPL-2.0-only
12 * handler (implicit sigreturn), the kernel should detect reserved MSR
13 * value and send us with a SIGSEGV.
38 ucp->uc_link = ucp; in signal_usr1()
41 ucp->uc_mcontext.gp_regs[PT_MSR] |= (7ULL << 32); in signal_usr1()
43 ucp->uc_mcontext.uc_regs->gregs[PT_MSR] |= (7ULL); in signal_usr1()
|