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/linux/Documentation/hwmon/
H A Ddme1737.rst18 Addresses scanned: none, address read from Super-I/O config space
34 Addresses scanned: none, address read from Super-I/O config space
43 -----------------
52 Include non-standard LPC addresses 0x162e and 0x164e
55 - VIA EPIA SN18000
59 -----------
63 and SCH5127 Super-I/O chips. These chips feature monitoring of 3 temp sensors
64 temp[1-3] (2 remote diodes and 1 internal), 8 voltages in[0-7] (7 external and
65 1 internal) and up to 6 fan speeds fan[1-6]. Additionally, the chips implement
66 up to 5 PWM outputs pwm[1-3,5-6] for controlling fan speeds both manually and
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H A Dspd5118.rst1 .. SPDX-License-Identifier: GPL-2.0-or-later
11 https://www.jedec.org/standards-documents/docs/jesd300-5b01
17 Addresses scanned: I2C 0x50 - 0x57
20 Guenter Roeck <linux@roeck-us.net>
24 -----------
30 The driver auto-detects SPD5118 compliant chips, but can also be instantiated
39 ---------------------------------
59 ------------------------------------
H A Djc42.rst10 https://www.analog.com/static/imported-files/data_sheets/ADT7408.pdf
20 http://www.atmel.com/Images/Atmel-8852-SEEPROM-AT30TSE002A-Datasheet.pdf
22 http://www.atmel.com/Images/Atmel-8868-DTS-AT30TSE004A-Datasheet.pdf
36 http://datasheets.maxim-ic.com/en/ds/MAX6604.pdf
70 https://www.onsemi.com/pub_link/Collateral/CAT34TS02-D.PDF
72 https://www.onsemi.com/pub/Collateral/CAT6095-D.PDF
99 Addresses scanned: I2C 0x18 - 0x1f
102 Guenter Roeck <linux@roeck-us.net>
106 -----------
113 The driver auto-detects the chips listed above, but can be manually instantiated
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/linux/drivers/media/tuners/
H A Dxc2028.h1 /* SPDX-License-Identifier: GPL-2.0 */
5 * Copyright (c) 2007-2008 Mauro Carvalho Chehab <mchehab@kernel.org>
13 #define XC2028_DEFAULT_FIRMWARE "xc3028-v27.fw"
14 #define XC3028L_DEFAULT_FIRMWARE "xc3028L-v36.fw"
29 XC2028_AUTO = 0, /* By default, auto-detects */
67 printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n", in xc2028_attach()
/linux/Documentation/admin-guide/
H A Dparport.rst4 The ``parport`` code provides parallel-port support under Linux. This
16 port-sharing) and architecture-dependent (which deals with actually
28 architecture-dependent code with (for example)::
30 # insmod parport_pc io=0x3bc,0x378,0x278 irq=none,7,auto
32 to tell the ``parport`` code that you want three PC-style ports, one at
34 auto-detected IRQ. Currently, PC-style (``parport_pc``), Sun ``bpp``,
43 --------
49 options parport_pc io=0x378,0x278 irq=7,auto
51 modprobe will load ``parport_pc`` (with the options ``io=0x378,0x278 irq=7,auto``)
60 ------------------------
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H A Dkernel-parameters.txt16 force -- enable ACPI if default was off
17 on -- enable ACPI but allow fallback to DT [arm64,riscv64]
18 off -- disable ACPI if default was on
19 noirq -- do not use ACPI for IRQ routing
20 strict -- Be less tolerant of platforms that are not
22 rsdt -- prefer RSDT over (default) XSDT
23 copy_dsdt -- copy DSDT to memory
24 nocmcff -- Disable firmware first mode for corrected
28 nospcr -- disable console in ACPI SPCR table as
45 If set to vendor, prefer vendor-specific driver
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/linux/Documentation/devicetree/bindings/i2c/
H A Dmarvell,mv64xxx-i2c.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/i2c/marvell,mv64xxx-i2c.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Gregory CLEMENT <gregory.clement@bootlin.com>
15 - const: allwinner,sun4i-a10-i2c
16 - items:
17 - const: allwinner,sun7i-a20-i2c
18 - const: allwinner,sun4i-a10-i2c
19 - const: allwinner,sun6i-a31-i2c
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/linux/Documentation/networking/device_drivers/ethernet/intel/
H A De1000.rst1 .. SPDX-License-Identifier: GPL-2.0+
8 Copyright(c) 1999 - 2013 Intel Corporation.
13 - Identifying Your Adapter
14 - Command Line Parameters
15 - Speed and Duplex Configuration
16 - Additional Configurations
17 - Support
50 -------
54 :Valid Range: 0x01-0x0F, 0x20-0x2F
57 This parameter is a bit-mask that specifies the speed and duplex settings
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/linux/drivers/net/ethernet/atheros/atl1e/
H A Datl1e_hw.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
36 * 00-0B-6A-F6-00-DC in atl1e_hw_set_mac_addr()
40 value = (((u32)hw->mac_addr[2]) << 24) | in atl1e_hw_set_mac_addr()
41 (((u32)hw->mac_addr[3]) << 16) | in atl1e_hw_set_mac_addr()
42 (((u32)hw->mac_addr[4]) << 8) | in atl1e_hw_set_mac_addr()
43 (((u32)hw->mac_addr[5])) ; in atl1e_hw_set_mac_addr()
46 value = (((u32)hw->mac_addr[0]) << 8) | in atl1e_hw_set_mac_addr()
47 (((u32)hw->mac_addr[1])) ; in atl1e_hw_set_mac_addr()
62 if (is_valid_ether_addr(hw->perm_mac_addr)) in atl1e_get_permanent_address()
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/linux/Documentation/userspace-api/media/v4l/
H A Dvidioc-enuminput.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_ENUMINPUT - Enumerate video inputs
45 .. flat-table:: struct v4l2_input
46 :header-rows: 0
47 :stub-columns: 0
50 * - __u32
51 - ``index``
52 - Identifies the input, set by the application.
53 * - __u8
54 - ``name``\ [32]
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/linux/Documentation/admin-guide/hw-vuln/
H A Dtsx_async_abort.rst1 .. SPDX-License-Identifier: GPL-2.0
3 TAA - TSX Asynchronous Abort
11 -------------------
23 ------------
28 CVE-2019-11135 TAA TSX Asynchronous Abort (TAA) condition on some
36 -------
43 hardware transactional memory support to improve performance of multi-threaded
58 Because the buffers are potentially shared between Hyper-Threads cross
59 Hyper-Thread attacks are possible.
70 ----------------
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/linux/tools/lib/bpf/
H A Dlibbpf.h1 /* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
6 * Copyright (C) 2013-2015 Alexei Starovoitov <ast@kernel.org>
100 * @brief **libbpf_set_print()** sets user-provided log callback function to
108 * This function is thread-safe.
119 * - for object open from file, this will override setting object
121 * - for object open from memory buffer, this will specify an object
122 * name and will override default "<addr>-<buf-size>" name;
125 /* parse map definitions non-strictly, allowing extra attributes/data */
129 * auto-pinned to that path on load; defaults to "/sys/fs/bpf".
139 /* Path to the custom BTF to be used for BPF CO-RE relocations.
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/linux/drivers/spi/
H A Dspi-dw-mmio.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Memory-mapped interface driver for DW SPI Core
24 #include "spi-dw.h"
61 * bit: |---3-------2-------1-------0
79 struct dw_spi *dws = spi_controller_get_devdata(spi->controller); in dw_spi_mscc_set_cs()
81 struct dw_spi_mscc *dwsmscc = dwsmmio->priv; in dw_spi_mscc_set_cs()
90 writel(sw_mode, dwsmscc->spi_mst + MSCC_SPI_MST_SW_MODE); in dw_spi_mscc_set_cs()
102 dwsmscc = devm_kzalloc(&pdev->dev, sizeof(*dwsmscc), GFP_KERNEL); in dw_spi_mscc_init()
104 return -ENOMEM; in dw_spi_mscc_init()
106 dwsmscc->spi_mst = devm_platform_ioremap_resource(pdev, 1); in dw_spi_mscc_init()
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/linux/arch/x86/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
4 bool "64-bit kernel" if "$(ARCH)" = "x86"
7 Say yes to build a 64-bit kernel - formerly known as x86_64
8 Say no to build a 32-bit kernel - formerly known as i386
13 # Options that are inherently 32-bit kernel only:
27 # Options that are inherently 64-bit kernel only:
55 # ported to 32-bit as well. )
154 # Word-size accesses may read uninitialized data past the trailing \0
336 default "elf32-i386" if X86_32
337 default "elf64-x86-64" if X86_64
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/linux/drivers/net/ethernet/intel/e1000/
H A De1000_hw.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 1999 - 2006 Intel Corporation. */
89 * e1000_set_phy_type - Set the phy type member in the hw struct.
94 if (hw->mac_type == e1000_undefined) in e1000_set_phy_type()
95 return -E1000_ERR_PHY_TYPE; in e1000_set_phy_type()
97 switch (hw->phy_id) { in e1000_set_phy_type()
103 hw->phy_type = e1000_phy_m88; in e1000_set_phy_type()
106 if (hw->mac_type == e1000_82541 || in e1000_set_phy_type()
107 hw->mac_type == e1000_82541_rev_2 || in e1000_set_phy_type()
108 hw->mac_type == e1000_82547 || in e1000_set_phy_type()
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/linux/mm/kasan/
H A Dkasan_test_c.c1 // SPDX-License-Identifier: GPL-2.0-only
66 return -1; in kasan_suite_init()
73 * Temporarily enable multi-shot mode. Otherwise, KASAN would only in kasan_suite_init()
97 * KUNIT_EXPECT_KASAN_FAIL - check that the executed expression produces a
103 * For hardware tag-based KASAN, when a synchronous tag fault happens, tag
104 * checking is auto-disabled. When this happens, this test handler reenables
166 size_t size = 128 - KASAN_GRANULE_SIZE - 5; in kmalloc_oob_right()
180 * An aligned access into the first out-of-bounds granule that falls in kmalloc_oob_right()
185 /* Out-of-bounds access past the aligned kmalloc object. */ in kmalloc_oob_right()
201 KUNIT_EXPECT_KASAN_FAIL(test, *ptr = *(ptr - 1)); in kmalloc_oob_left()
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/linux/drivers/net/ethernet/intel/e1000e/
H A Dphy.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 1999 - 2018 Intel Corporation. */
37 * e1000e_check_reset_block_generic - Check if PHY reset is blocked
54 * e1000e_get_phy_id - Retrieve the PHY ID and revision
62 struct e1000_phy_info *phy = &hw->phy; in e1000e_get_phy_id()
67 if (!phy->ops.read_reg) in e1000e_get_phy_id()
75 phy->id = (u32)(phy_id << 16); in e1000e_get_phy_id()
81 phy->id |= (u32)(phy_id & PHY_REVISION_MASK); in e1000e_get_phy_id()
82 phy->revision = (u32)(phy_id & ~PHY_REVISION_MASK); in e1000e_get_phy_id()
84 if (phy->id != 0 && phy->id != PHY_REVISION_MASK) in e1000e_get_phy_id()
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/linux/drivers/media/i2c/
H A Dsaa7115.c1 // SPDX-License-Identifier: GPL-2.0+
2 // saa711x - Philips SAA711x video decoder driver
23 // Copyright (c) 2005-2006 Mauro Carvalho Chehab <mchehab@kernel.org>
33 #include <media/v4l2-device.h>
34 #include <media/v4l2-ctrls.h>
35 #include <media/v4l2-mc.h>
49 MODULE_PARM_DESC(debug, "Debug level (0-1)");
104 return &container_of(ctrl->handler, struct saa711x_state, hdl)->sd; in to_sd()
107 /* ----------------------------------------------------------------------- */
164 filled with 0 - seems better not to touch on they */ in saa711x_writeregs()
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/linux/Documentation/scsi/
H A Dscsi_mid_low_api.rst1 .. SPDX-License-Identifier: GPL-2.0
4 SCSI mid_level - lower_level driver interface
14 (SCSI terminology, see SAM-3 at http://www.t10.org) sends SCSI commands
22 Examples are the usb-storage driver (found in the drivers/usb/storage
30 HBAs. These HBAs might be either on PCI daughter-boards or built into
33 has its own PCI device address. [The one-to-one correspondence between
49 documented in Documentation/scsi (e.g. aic7xxx.rst). The SCSI mid-level is
53 scsi-generic.rst (for the sg driver).
68 and OS-specific code (e.g. FreeBSD and Linux). Such drivers tend to have
144 ===-------------------=========--------------------===------
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/linux/drivers/net/wireless/ath/ath5k/
H A Dani.c33 * - "noise immunity"
35 * - "spur immunity"
37 * - "firstep level"
39 * - "OFDM weak signal detection"
41 * - "CCK weak signal detection"
61 * ath5k_ani_set_noise_immunity_level() - Set noise immunity level
75 static const s8 lo[] = { -52, -56, -60, -64, -70 }; in ath5k_ani_set_noise_immunity_level()
76 static const s8 hi[] = { -18, -18, -16, -14, -12 }; in ath5k_ani_set_noise_immunity_level()
77 static const s8 sz[] = { -34, -41, -48, -55, -62 }; in ath5k_ani_set_noise_immunity_level()
78 static const s8 fr[] = { -70, -72, -75, -78, -80 }; in ath5k_ani_set_noise_immunity_level()
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/linux/drivers/net/ethernet/atheros/atl1c/
H A Datl1c_hw.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
37 * 00-0B-6A-F6-00-DC in atl1c_hw_set_mac_addr()
78 /* MAC-address from BIOS is the 1st priority */ in atl1c_get_permanent_address()
79 if (atl1c_read_current_addr(hw, hw->perm_mac_addr)) in atl1c_get_permanent_address()
85 if (hw->nic_type == athr_l1c || hw->nic_type == athr_l2c) { in atl1c_get_permanent_address()
95 if (hw->nic_type == athr_l2c_b || hw->nic_type == athr_l2c_b2) { in atl1c_get_permanent_address()
116 return -1; in atl1c_get_permanent_address()
119 if ((hw->nic_type == athr_l1c || hw->nic_type == athr_l2c)) { in atl1c_get_permanent_address()
134 if (atl1c_read_current_addr(hw, hw->perm_mac_addr)) in atl1c_get_permanent_address()
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/linux/Documentation/admin-guide/laptops/
H A Dthinkpad-acpi.rst9 - Borislav Deianov <borislav@users.sf.net>
10 - Henrique de Moraes Holschuh <hmh@hmh.eng.br>
12 http://ibm-acpi.sf.net/
19 This driver used to be named ibm-acpi until kernel 2.6.21 and release
20 0.13-20070314. It used to be in the drivers/acpi tree, but it was
21 moved to the drivers/misc tree and renamed to thinkpad-acpi for kernel
25 The driver is named "thinkpad-acpi". In some places, like module
29 "tpacpi" is used as a shorthand where "thinkpad-acpi" would be too
33 ------
38 - Fn key combinations
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/linux/fs/xfs/
H A Dxfs_icache.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2000-2005 Silicon Graphics, Inc.
97 ip = alloc_inode_sb(mp->m_super, xfs_inode_cache, GFP_KERNEL | __GFP_NOFAIL); in xfs_inode_alloc()
99 if (inode_init_always(mp->m_super, VFS_I(ip))) { in xfs_inode_alloc()
105 VFS_I(ip)->i_mode = 0; in xfs_inode_alloc()
106 mapping_set_folio_min_order(VFS_I(ip)->i_mapping, in xfs_inode_alloc()
107 M_IGEO(mp)->min_folio_order); in xfs_inode_alloc()
110 ASSERT(atomic_read(&ip->i_pincount) == 0); in xfs_inode_alloc()
111 ASSERT(ip->i_ino == 0); in xfs_inode_alloc()
114 ip->i_ino = ino; in xfs_inode_alloc()
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/linux/arch/alpha/kernel/
H A Dsmc37c669.c60 * er 28-Jan-1997 Initial Entry
69 ** The mask acts as a flag used in mapping actual ISA IRQs (0 - 15)
70 ** to device IRQs (A - H).
84 ** channels to device DMA channels (A - C).
218 ** CR00 - default value 0x28
221 ** 0x - 30ua pull-ups on nIDEEN, nHDCS0, NHDCS1
222 ** 11 - IRQ_H available as IRQ output,
224 ** 10 - nIDEEN, nHDCS0, nHDCS1 used to control IDE
247 ** CR01 - default value 0x9C
257 unsigned lock_crx: 1; /* Lock CR00 - CR18 */
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/linux/drivers/net/ethernet/atheros/atlx/
H A Datl2.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright(c) 2006 - 2007 Atheros Corporation. All rights reserved.
4 * Copyright(c) 2007 - 2008 Chris Snook <csnook@redhat.com>
7 * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
12 #include <linux/dma-mapping.h>
47 * atl2_pci_tbl - PCI Device ID Table
59 * atl2_sw_init - Initialize general software structures (struct atl2_adapter)
68 struct atl2_hw *hw = &adapter->hw; in atl2_sw_init()
69 struct pci_dev *pdev = adapter->pdev; in atl2_sw_init()
72 hw->vendor_id = pdev->vendor; in atl2_sw_init()
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