| /linux/Documentation/devicetree/bindings/serial/ |
| H A D | 8250_omap.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Vignesh Raghavendra <vigneshr@ti.com>
13 - $ref: /schemas/serial/serial.yaml#
14 - $ref: /schemas/serial/rs485.yaml#
19 - enum:
20 - ti,am3352-uart
21 - ti,am4372-uart
22 - ti,am654-uart
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| H A D | 8250.yaml | 3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - devicetree@vger.kernel.org
13 - $ref: serial.yaml#
14 - $ref: /schemas/memory-controllers/mc-peripheral-props.yaml#
15 - if:
17 - required:
18 - aspeed,lpc-io-reg
19 - required:
20 - aspeed,lpc-interrupts
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| /linux/Documentation/scheduler/ |
| H A D | sched-bwc.rst | 7 The SCHED_RT case is covered in Documentation/scheduler/sched-rt-group.rst
14 microseconds of CPU time. That quota is assigned to per-cpu run queues in
22 is transferred to cpu-local "silos" on a demand basis. The amount transferred
26 -------------
30 Traditional (UP-EDF) bandwidth control is something like:
47 does maintain stability, since every overrun must be paired with an
66 https://lore.kernel.org/lkml/5371BD36-55AE-4F71-B9D7-B86DC32E3D2B@linux.alibaba.com/
69 ----------
75 :ref:`Documentation/admin-guide/cgroup-v2.rst <cgroup-v2-cpu>`.
77 - cpu.cfs_quota_us: run-time replenished within a period (in microseconds)
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| /linux/drivers/usb/serial/ |
| H A D | generic.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2010 - 2013 Johan Hovold (jhovold@gmail.com)
6 * Copyright (C) 1999 - 2002 Greg Kroah-Hartman (greg@kroah.com)
40 struct device *dev = &serial->interface->dev; in usb_serial_generic_probe()
42 dev_info(dev, "The \"generic\" usb-serial driver is only for testing and one-off prototypes.\n"); in usb_serial_generic_probe()
43 dev_info(dev, "Tell linux-usb@vger.kernel.org to add your device to a proper driver.\n"); in usb_serial_generic_probe()
51 struct device *dev = &serial->interface->dev; in usb_serial_generic_calc_num_ports()
54 num_ports = max(epds->num_bulk_in, epds->num_bulk_out); in usb_serial_generic_calc_num_ports()
58 return -ENODEV; in usb_serial_generic_calc_num_ports()
71 .throttle = usb_serial_generic_throttle,
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| H A D | ftdi_sio.c | 1 // SPDX-License-Identifier: GPL-2.0+
5 * Copyright (C) 2009 - 2013
7 * Copyright (C) 1999 - 2001
8 * Greg Kroah-Hartman (greg@kroah.com)
13 * See Documentation/usb/usb-serial.rst for more information on using this
16 * See http://ftdi-usb-sio.sourceforge.net for up to date testing info
24 /* Bill Ryder - bryder@sgi.com - wrote the FTDI_SIO implementation */
28 assimilated :-) */
47 #define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>, Bill Ryder <bryder@sgi.com>, Kuba Ober …
75 u16 last_set_data_value; /* the last data state set - needed for doing
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| /linux/arch/arm/boot/dts/ti/omap/ |
| H A D | motorola-mapphone-common.dtsi | 1 // SPDX-License-Identifier: GPL-2.0-only
2 /dts-v1/;
4 #include <dt-bindings/input/input.h>
6 #include "motorola-cpcap-mapphone.dtsi"
10 * We seem to have only 1021 MB accessible, 1021 - 1022 is locked,
11 * then 1023 - 1024 seems to contain mbm.
19 gpio-poweroff {
20 compatible = "gpio-poweroff";
21 pinctrl-0 = <&poweroff_gpio>;
22 pinctrl-names = "default";
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| /linux/Documentation/networking/ |
| H A D | can.rst | 2 SocketCAN - Controller Area Network
20 .. _socketcan-motivation:
29 functionality. Usually, there is only a hardware-specific device
32 Queueing of frames and higher-level transport protocols like ISO-TP
34 character-device implementations support only one single process to
47 protocol family module and also vice-versa. Also, the protocol family
57 communicate using a specific transport protocol, e.g. ISO-TP, just
60 CAN-IDs, frames, etc.
62 Similar functionality visible from user-space could be provided by a
74 * **Abstraction:** In most existing character-device implementations, the
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| /linux/drivers/tty/serial/ |
| H A D | serial_core.c | 1 // SPDX-License-Identifier: GPL-2.0+
8 * Copyright (C) 2000-2001 Deep Blue Solutions Ltd.
43 * lockdep: port->lock is initialized in two places, but we
44 * want only one lock-class:
48 #define HIGH_BITS_OFFSET ((sizeof(long)-sizeof(int))*8)
62 return !!(uport->status & UPSTAT_DCD_ENABLE); in uart_dcd_enabled()
67 if (atomic_add_unless(&state->refcount, 1, 0)) in uart_port_ref()
68 return state->uart_port; in uart_port_ref()
74 if (atomic_dec_and_test(&uport->state->refcount)) in uart_port_deref()
75 wake_up(&uport->state->remove_wait); in uart_port_deref()
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| H A D | amba-pl011.c | 1 // SPDX-License-Identifier: GPL-2.0+
9 * Copyright (C) 2010 ST-Ericsson SA
11 * This is a generic driver for ARM AMBA-type serial ports. They
12 * have a lot of 16550-like features, but are not register compatible.
35 #include <linux/dma-mapping.h>
82 /* The size of the array - must be last */
261 unsigned int fifosize; /* vendor-specific */
262 unsigned int fixed_baud; /* vendor-set fixed baud rate */
282 return uap->reg_offset[reg]; in pl011_reg_to_offset()
288 void __iomem *addr = uap->port.membase + pl011_reg_to_offset(uap, reg); in pl011_read()
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| /linux/drivers/scsi/aic7xxx/ |
| H A D | aic79xx_osm.c | 6 * --------------------------------------------------------------------------
7 * Copyright (c) 1994-2000 Justin T. Gibbs.
8 * Copyright (c) 1997-1999 Doug Ledford
9 * Copyright (c) 2000-2003 Adaptec Inc.
23 * 3. Neither the names of the above-listed copyright holders nor the names
76 * To change the default number of tagged transactions allowed per-device,
83 * Twin adapters will use indexes 0-7 for channel 0, and indexes 8-15
96 * The driver will throttle the number of commands dispatched to a
102 * depths. The driver will throttle back when the queue fulls occur and
110 * (0, 2-11, 13-15), disables tagged queueing for ID 12, and tells the
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| /linux/drivers/tty/serial/8250/ |
| H A D | 8250_omap.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * 8250-core based driver for the OMAP internal UART
5 * based on omap-serial.c, Copyright (C) 2010 Texas Instruments.
28 #include <linux/dma-mapping.h>
169 return readl(priv->membase + (reg << OMAP_UART_REGSHIFT)); in uart_read()
179 struct omap8250_priv *priv = up->port.private_data; in __omap8250_set_mctrl()
184 if (!mctrl_gpio_to_gpiod(up->gpios, UART_GPIO_RTS)) { in __omap8250_set_mctrl()
191 if ((mctrl & TIOCM_RTS) && (port->status & UPSTAT_AUTORTS)) in __omap8250_set_mctrl()
192 priv->efr |= UART_EFR_RTS; in __omap8250_set_mctrl()
194 priv->efr &= ~UART_EFR_RTS; in __omap8250_set_mctrl()
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| H A D | 8250_port.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Base port operations for 8250/16550-type serial ports
244 * tx_loadsz is set to 63-bytes instead of 64-bytes to implement
245 * workaround of errata A-008006 which states that tx_loadsz should
257 .name = "Palmchip BK-3103",
343 offset = offset << p->regshift; in hub6_serial_in()
344 outb(p->hub6 - 1 + offset, p->iobase); in hub6_serial_in()
345 return inb(p->iobase + 1); in hub6_serial_in()
350 offset = offset << p->regshift; in hub6_serial_out()
351 outb(p->hub6 - 1 + offset, p->iobase); in hub6_serial_out()
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| /linux/drivers/net/usb/ |
| H A D | usbnet.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Copyright (C) 2000-2005 by David Brownell
5 * Copyright (C) 2003-2005 David Hollis <dhollis@davehollis.com>
10 * kinds of full and high speed networking devices: host-to-host cables,
34 /*-------------------------------------------------------------------------*/
37 * Nineteen USB 1.1 max size bulk transactions per frame (ms), max.
48 #define RX_QLEN(dev) ((dev)->rx_qlen)
49 #define TX_QLEN(dev) ((dev)->tx_qlen)
54 /* throttle rx/tx briefly after some faults, so hub_wq might disconnect()
62 /*-------------------------------------------------------------------------*/
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| /linux/drivers/usb/class/ |
| H A D | cdc-acm.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * cdc-acm.c
42 #include "cdc-acm.h"
72 mutex_lock(&acm->mutex); in acm_get_by_minor()
73 if (acm->disconnected) { in acm_get_by_minor()
74 mutex_unlock(&acm->mutex); in acm_get_by_minor()
77 tty_port_get(&acm->port); in acm_get_by_minor()
78 mutex_unlock(&acm->mutex); in acm_get_by_minor()
103 idr_remove(&acm_minors, acm->minor); in acm_release_minor()
116 retval = usb_autopm_get_interface(acm->control); in acm_ctrl_msg()
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| /linux/drivers/tty/ |
| H A D | mxser.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * mxser.c -- MOXA Smartio/Industio family multiport serial driver.
5 * Copyright (C) 1999-2006 Moxa Technologies (support@moxa.com).
6 * Copyright (C) 2006-2008 Jiri Slaby <jirislaby@gmail.com>
15 * - Fixed x86_64 cleanness
45 * Semi-public control interfaces
62 /* --------------------------------------------------- */
336 u8 oldlcr = mxser_must_select_bank(info->ioaddr, MOXA_MUST_EFR_BANK1); in mxser_set_must_fifo_value()
337 outb(info->rx_high_water, info->ioaddr + MOXA_MUST_RBRTH_REGISTER); in mxser_set_must_fifo_value()
338 outb(info->rx_high_water, info->ioaddr + MOXA_MUST_RBRTI_REGISTER); in mxser_set_must_fifo_value()
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| /linux/drivers/net/ethernet/intel/e1000/ |
| H A D | e1000_hw.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright(c) 1999 - 2006 Intel Corporation. */
297 #define E1000_MNG_DHCP_COMMAND_TIMEOUT 10 /* Time in ms to process MNG command */
422 /* MAC decode size is 128K - This is the size of BAR0 */
443 (MINIMUM_ETHERNET_FRAME_SIZE - ETHERNET_FCS_SIZE)
486 * E1000_RAR_ENTRIES - 1 multicast addresses.
503 /* Receive Descriptor - Extended */
529 /* Receive Descriptor - Packet Split */
553 __le16 length[3]; /* length of buffers 1-3 */
567 #define E1000_RXD_STAT_PIF 0x80 /* passed in-exact filter */
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| /linux/drivers/usb/host/ |
| H A D | xhci.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
19 #include <linux/io-64-nonatomic-lo-hi.h>
20 #include <linux/io-64-nonatomic-hi-lo.h>
22 /* Code sharing between pci-quirks and xhci hcd */
23 #include "xhci-ext-caps.h"
24 #include "pci-quirks.h"
26 #include "xhci-port.h"
27 #include "xhci-caps.h"
35 /* Max number of USB devices for any host controller - limit in section 6.1 */
37 /* Section 5.3.3 - MaxPorts */
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| H A D | oxu210hp-hcd.c | 1 // 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 */
83 #define EHCI_TUNE_RL_HS 4 /* nak throttle; see 4.9 */
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 */
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| /linux/kernel/sched/ |
| H A D | fair.c | 1 // SPDX-License-Identifier: GPL-2.0
43 #include <linux/memory-tiers.h>
59 * The initial- and re-scaling of tunables is configurable
63 * SCHED_TUNABLESCALING_NONE - unscaled, always *1
64 * SCHED_TUNABLESCALING_LOG - scaled logarithmically, *1+ilog(ncpus)
65 * SCHED_TUNABLESCALING_LINEAR - scaled linear, *ncpus
72 * Minimal preemption granularity for CPU-bound tasks:
94 return -cpu; in arch_asym_cpu_priority()
115 * Amount of runtime to allocate from global (tg) to local (per-cfs_rq) pool
166 lw->weight += inc; in update_load_add()
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| /linux/drivers/usb/fotg210/ |
| H A D | fotg210-hcd.c | 1 // 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>
49 #define FOTG210_TUNE_CERR 3 /* 0-3 qtd retries; 0 == don't stop */
50 #define FOTG210_TUNE_RL_HS 4 /* nak throttle; see 4.9 */
52 #define FOTG210_TUNE_MULT_HS 1 /* 1-3 transactions/uframe; 4.10.3 */
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| /linux/drivers/gpu/drm/imagination/ |
| H A D | pvr_rogue_fwif_sf.h | 1 /* SPDX-License-Identifier: GPL-2.0-only OR MIT */
47 * - --- ---- ---- ---- ---- ---- ---- ----
48 * 0-11: id number
49 * 12-15: group id number
50 * 16-19: number of parameters
51 * 20-27: unused
52 * 28-30: active: identify SF packet, otherwise regular int32
114 "UFO PR-Check: [0x%08.8x] is 0x%08.8x requires >= 0x%08.8x" },
116 "UFO SPM PR-Checks for FWCtx 0x%08.8x" },
118 …"UFO SPM special PR-Check: [0x%08.8x] is 0x%08.8x requires >= ????????, [0x%08.8x] is ???????? req…
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| /linux/mm/ |
| H A D | memcontrol.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* memcontrol.c - Memory Controller
28 #include <linux/cgroup-defs.h>
39 #include <linux/page-flags.h>
40 #include <linux/backing-dev.h>
70 #include "memcontrol-v1.h"
101 (current->flags & PF_EXITING); in task_is_dying()
109 return &memcg->vmpressure; in memcg_to_vmpressure()
139 * objcg->nr_charged_bytes can't have an arbitrary byte value. in obj_cgroup_release()
143 * 1) CPU0: objcg == stock->cached_objcg in obj_cgroup_release()
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