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/Linux-v5.15/Documentation/devicetree/bindings/mailbox/
Dfsl,mu.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Dong Aisheng <aisheng.dong@nxp.com>
22 registers (Processor A-facing, Processor B-facing).
27 - const: fsl,imx6sx-mu
28 - const: fsl,imx7ulp-mu
29 - const: fsl,imx8ulp-mu
30 - const: fsl,imx8-mu-scu
31 - items:
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/Linux-v5.15/arch/mips/boot/dts/loongson/
Dloongson64-2k1000.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 /dts-v1/;
5 #include <dt-bindings/interrupt-controller/irq.h>
10 #address-cells = <2>;
11 #size-cells = <2>;
14 #address-cells = <1>;
15 #size-cells = <0>;
21 #clock-cells = <1>;
35 #clock-cells = <0>;
36 compatible = "fixed-clock";
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/Linux-v5.15/drivers/extcon/
Dextcon-usbc-tusb320.c1 // SPDX-License-Identifier: GPL-2.0
3 * drivers/extcon/extcon-tusb320.c - TUSB320 extcon driver
9 #include <linux/extcon-provider.h>
35 [TUSB320_ATTACHED_STATE_DFP] = "downstream facing port",
36 [TUSB320_ATTACHED_STATE_UFP] = "upstream facing port",
48 static const char sig[] = { '\0', 'T', 'U', 'S', 'B', '3', '2', '0' }; in tusb320_check_signature()
53 ret = regmap_read(priv->regmap, sizeof(sig) - 1 - i, &val); in tusb320_check_signature()
57 dev_err(priv->dev, "signature mismatch!\n"); in tusb320_check_signature()
58 return -ENODEV; in tusb320_check_signature()
71 if (regmap_read(priv->regmap, TUSB320_REG9, &reg)) { in tusb320_irq_handler()
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/Linux-v5.15/drivers/gpu/drm/i915/gt/
Dintel_engine_user.c1 // SPDX-License-Identifier: MIT
19 struct rb_node *p = i915->uabi_engines.rb_node; in intel_engine_lookup_user()
25 if (class < it->uabi_class) in intel_engine_lookup_user()
26 p = p->rb_left; in intel_engine_lookup_user()
27 else if (class > it->uabi_class || in intel_engine_lookup_user()
28 instance > it->uabi_instance) in intel_engine_lookup_user()
29 p = p->rb_right; in intel_engine_lookup_user()
30 else if (instance < it->uabi_instance) in intel_engine_lookup_user()
31 p = p->rb_left; in intel_engine_lookup_user()
41 llist_add((struct llist_node *)&engine->uabi_node, in intel_engine_add_user()
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/Linux-v5.15/Documentation/x86/
Dearlyprintk.rst1 .. SPDX-License-Identifier: GPL-2.0
7 Mini-HOWTO for using the earlyprintk=dbgp boot option with a
13 [host/target] <-------> [USB debug key] <-------> [client/console]
21 the lspci -vvv output::
23 # lspci -vvv
25 …roller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1 (rev 03) (prog-if 20 [EHCI])
27 …Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisIN…
28 …Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- I…
31 Region 0: Memory at fe227000 (32-bit, non-prefetchable) [size=1K]
33 Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
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/Linux-v5.15/arch/arm64/boot/dts/rockchip/
Drk3399-gru-scarlet.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * Google Gru-scarlet board device tree source
8 #include "rk3399-gru.dtsi"
14 pp1250_s3: pp1250-s3 {
15 compatible = "regulator-fixed";
16 regulator-name = "pp1250_s3";
19 regulator-always-on;
20 regulator-boot-on;
21 regulator-min-microvolt = <1250000>;
22 regulator-max-microvolt = <1250000>;
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/Linux-v5.15/drivers/thunderbolt/
Dacpi.c1 // SPDX-License-Identifier: GPL-2.0
28 ret = fwnode_property_get_reference_args(fwnode, "usb4-host-interface", in tb_acpi_add_link()
34 if (nhi->pdev->dev.fwnode != args.fwnode) in tb_acpi_add_link()
44 adev = adev->parent; in tb_acpi_add_link()
60 dev = dev->parent; in tb_acpi_add_link()
71 if (pdev->class == PCI_CLASS_SERIAL_USB_XHCI || in tb_acpi_add_link()
77 link = device_link_add(&pdev->dev, &nhi->pdev->dev, in tb_acpi_add_link()
81 dev_dbg(&nhi->pdev->dev, "created link from %s\n", in tb_acpi_add_link()
82 dev_name(&pdev->dev)); in tb_acpi_add_link()
84 dev_warn(&nhi->pdev->dev, "device link creation from %s failed\n", in tb_acpi_add_link()
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/Linux-v5.15/tools/testing/selftests/bpf/prog_tests/
Dtc_redirect.c1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
4 * This test sets up 3 netns (src <-> fwd <-> dst). There is no direct veth link
7 * host facing veth in fwd which calls into i) bpf_redirect_neigh() to perform the
57 #define PING_ARGS "-i 0.2 -c 3 -w 10 -q"
77 return -1; in write_file()
81 return -1; in write_file()
124 * open_netns() - Switch to specified network namespace by name.
140 token->orig_netns_fd = open("/proc/self/ns/net", O_RDONLY); in open_netns()
141 if (!ASSERT_GE(token->orig_netns_fd, 0, "open /proc/self/ns/net")) in open_netns()
161 ASSERT_OK(setns_by_fd(token->orig_netns_fd), "setns_by_fd"); in close_netns()
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/Linux-v5.15/Documentation/admin-guide/
Dreporting-issues.rst1 .. SPDX-License-Identifier: (GPL-2.0+ OR CC-BY-4.0)
3 If you want to distribute this text under CC-BY-4.0 only, please use 'The
5 …rg/pub/scm/linux/kernel/git/torvalds/linux.git/plain/Documentation/admin-guide/reporting-issues.rst
8 is available under CC-BY-4.0, as versions of this text that were processed
20 Are you facing a regression with vanilla kernels from the same stable or
45 ensure it's vanilla (IOW: not patched and not using add-on modules). Also make
49 If you are facing multiple issues with the Linux kernel at once, report each
53 to pin-point the culprit with a bisection; if you succeed, include its
54 commit-id and CC everyone in the sign-off-by chain.
60 Step-by-step guide how to report issues to the kernel maintainers
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/Linux-v5.15/drivers/net/wireless/ath/ath11k/
Ddp.h1 /* SPDX-License-Identifier: BSD-3-Clause-Clear */
3 * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
203 #define DP_HW2SW_MACID(mac_id) ((mac_id) ? ((mac_id) - 1) : 0)
248 * - reo_cmd_list
249 * - reo_cmd_cache_flush_list
250 * - reo_cmd_cache_flush_count
317 /* host -> target HTT_SRING_SETUP message
320 * each host facing LMAC SRING. Target setups up HW registers based
328 * |--------------- +-----------------+----------------+------------------|
330 * |----------------------------------------------------------------------|
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/Linux-v5.15/drivers/gpu/drm/
Ddrm_file.c35 #include <linux/dma-fence.h>
70 * The deprecated ->load callback must be called after the driver is in drm_dev_needs_global_mutex()
75 if (dev->driver->load || dev->driver->unload) in drm_dev_needs_global_mutex()
84 if (dev->driver->lastclose) in drm_dev_needs_global_mutex()
110 * For the driver-side event interface see drm_event_reserve_init() and
115 * function, modern drivers should use one of the provided memory-manager
116 * specific implementations. For GEM-based drivers this is drm_gem_mmap().
139 * For driver-private IOCTL handling see the more detailed discussion in
144 * drm_file_alloc - allocate file context
156 struct drm_device *dev = minor->dev; in drm_file_alloc()
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/Linux-v5.15/include/linux/qed/
Dcommon_hsi.h1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
3 * Copyright (c) 2015-2016 QLogic Corporation
4 * Copyright (c) 2019-2020 Marvell International Ltd.
128 /* Traffic classes in network-facing blocks (PBF, BTB, NIG, BRB, PRS and QM) */
326 (DQ_PWM_OFFSET_TCM32_BASE + DQ_TCM_AGG_VAL_SEL_REG9 - 4)
366 #define QM_LINE_CRD_REG_SIGN_BIT BIT((QM_LINE_CRD_REG_WIDTH - 1))
368 #define QM_BYTE_CRD_REG_SIGN_BIT BIT((QM_BYTE_CRD_REG_WIDTH - 1))
370 #define QM_WFQ_CRD_REG_SIGN_BIT BIT((QM_WFQ_CRD_REG_WIDTH - 1))
372 #define QM_RL_CRD_REG_SIGN_BIT BIT((QM_RL_CRD_REG_WIDTH - 1))
451 PXP_PF_WINDOW_ADMIN_LENGTH - 1)
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/Linux-v5.15/drivers/xen/xenbus/
Dxenbus_client.c2 * Client-facing interface for the Xenbus driver. In other words, the
3 * interface between the Xenbus and the device-specific code, be it the
115 * xenbus_watch_path - register a watch
123 * success, or -errno on error. On success, the given @path will be saved as
124 * @watch->node, and remains the caller's to free. On error, @watch->node will
137 watch->node = path; in xenbus_watch_path()
138 watch->will_handle = will_handle; in xenbus_watch_path()
139 watch->callback = callback; in xenbus_watch_path()
144 watch->node = NULL; in xenbus_watch_path()
145 watch->will_handle = NULL; in xenbus_watch_path()
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/Linux-v5.15/drivers/infiniband/hw/hfi1/
Dhfi.h1 /* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
4 * Copyright(c) 2015-2020 Intel Corporation.
13 #include <linux/dma-mapping.h>
27 #include <linux/i2c-algo-bit.h>
74 /* Offline Disabled Reason is 4-bits */
98 * per driver stats, either not device nor port-specific, or
108 __u64 sps_txerrs; /* tx-related packet errors */
109 __u64 sps_rcverrs; /* non-crc rcv packet errors */
124 * First-cut criterion for "device is active" is
126 * 5-second interval. SMA packets are 64 dwords,
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/Linux-v5.15/drivers/i2c/busses/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
18 controller is part of the 7101 device, which is an ACPI-compliant
22 will be called i2c-ali1535.
30 controller is part of the 7101 device, which is an ACPI-compliant
34 will be called i2c-ali1563.
44 will be called i2c-ali15x3.
56 will be called i2c-amd756.
63 S4882 motherboard. On this 4-CPU board, the SMBus is multiplexed
69 will be called i2c-amd756-s4882.
79 will be called i2c-amd8111.
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/Linux-v5.15/drivers/media/usb/stkwebcam/
Dstk-webcam.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * stk-webcam.c : Driver for Syntek 1125 USB webcam controller
6 * Copyright 2007-2008 Jaime Velasco Juan <jsagarribay@gmail.com>
9 * Copyright 2006-2007 Jonathan Corbet
25 #include <media/v4l2-common.h>
26 #include <media/v4l2-ioctl.h>
27 #include <media/v4l2-event.h>
29 #include "stk-webcam.h"
32 static int hflip = -1;
36 static int vflip = -1;
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/Linux-v5.15/include/linux/
Dpci.h1 /* SPDX-License-Identifier: GPL-2.0 */
7 * Copyright 1997--1999 Martin Mares <mj@ucw.cz>
59 * The PCI interface treats multi-function devices as independent
67 * In the interest of not exposing interfaces to user-space unnecessarily,
68 * the following kernel-only defines are being added here.
79 unsigned char number; /* PCI_SLOT(pci_dev->devfn) */
85 return kobject_name(&slot->kobj); in pci_slot_name()
96 /* #0-5: standard PCI resources */
98 PCI_STD_RESOURCE_END = PCI_STD_RESOURCES + PCI_STD_NUM_BARS - 1,
103 /* Device-specific resources */
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Dphy.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
4 * Based on code in sungem_phy.c and (long-removed) gianfar_phy.c
73 * Set phydev->irq to PHY_POLL if interrupts are not supported,
77 #define PHY_POLL -1
78 #define PHY_MAC_INTERRUPT -2
86 * enum phy_interface_t - Interface Mode definitions
88 * @PHY_INTERFACE_MODE_NA: Not Applicable - don't touch
90 * @PHY_INTERFACE_MODE_MII: Median-independent interface
91 * @PHY_INTERFACE_MODE_GMII: Gigabit median-independent interface
92 * @PHY_INTERFACE_MODE_SGMII: Serial gigabit media-independent interface
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/Linux-v5.15/drivers/staging/octeon-usb/
Docteon-hcd.h1 /* SPDX-License-Identifier: GPL-2.0 */
11 * Copyright (c) 2003-2010 Cavium Networks (support@cavium.com). All rights
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.
211 * - ...
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/Linux-v5.15/drivers/usb/host/
Dxhci.h1 /* SPDX-License-Identifier: GPL-2.0 */
19 #include <linux/io-64-nonatomic-lo-hi.h>
21 /* Code sharing between pci-quirks and xhci hcd */
22 #include "xhci-ext-caps.h"
23 #include "pci-quirks.h"
31 /* Max number of USB devices for any host controller - limit in section 6.1 */
33 /* Section 5.3.3 - MaxPorts */
43 * struct xhci_cap_regs - xHCI Host Controller Capability Registers.
45 * @hcs_params1: HCSPARAMS1 - Structural Parameters 1
46 * @hcs_params2: HCSPARAMS2 - Structural Parameters 2
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Dfotg210-hcd.c1 // SPDX-License-Identifier: GPL-2.0+
2 /* Faraday FOTG210 EHCI-like driver
6 * Author: Yuan-Hsin Chen <yhchen@faraday-tech.com>
7 * Feng-Hsin Chiang <john453@faraday-tech.com>
8 * Po-Yu Chuang <ratbert.chuang@gmail.com>
10 * Most of code borrowed from the Linux-3.7 EHCI driver
29 #include <linux/dma-mapping.h>
42 #define DRIVER_AUTHOR "Yuan-Hsin Chen"
50 #define FOTG210_TUNE_CERR 3 /* 0-3 qtd retries; 0 == don't stop */
53 #define FOTG210_TUNE_MULT_HS 1 /* 1-3 transactions/uframe; 4.10.3 */
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Doxu210hp-hcd.c1 // SPDX-License-Identifier: GPL-2.0+
6 * This code is *strongly* based on EHCI-HCD code by David Brownell since
7 * the chip is a quasi-EHCI compatible.
25 #include <linux/dma-mapping.h>
82 #define EHCI_TUNE_CERR 3 /* 0-3 qtd retries; 0 == don't stop */
85 #define EHCI_TUNE_MULT_HS 1 /* 1-3 transactions/uframe; 4.10.3 */
101 u32 hcs_params; /* HCSPARAMS - offset 0x4 */
110 u32 hcc_params; /* HCCPARAMS - offset 0x8 */
116 #define HCC_64BIT_ADDR(p) ((p)&(1)) /* true: can use 64-bit addr */
117 u8 portroute[8]; /* nibbles for routing - offset 0xC */
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/Linux-v5.15/Documentation/ABI/testing/
Dsysfs-bus-iio3 Contact: linux-iio@vger.kernel.org
11 Contact: linux-iio@vger.kernel.org
25 Contact: linux-iio@vger.kernel.org
31 Contact: linux-iio@vger.kernel.org
38 Contact: linux-iio@vger.kernel.org
44 The contents of the label are free-form, but there are some
51 * "proximity-wifi"
52 * "proximity-lte"
53 * "proximity-wifi-lte"
54 * "proximity-wifi-left"
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/Linux-v5.15/fs/ubifs/
Dtnc.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2006-2008 Nokia Corporation.
13 * the UBIFS B-tree.
48 * insert_old_idx - record an index node obsoleted since the last commit start.
49 * @c: UBIFS file-system description object
61 * That means that the garbage collection and the in-the-gaps method of
66 * they cannot be easily found. In those cases, an entry is added to an RB-tree.
67 * That is what this function does. The RB-tree is ordered by LEB number and
77 return -ENOMEM; in insert_old_idx()
78 old_idx->lnum = lnum; in insert_old_idx()
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