| /Linux-v6.6/Documentation/devicetree/bindings/serial/ |
| 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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| 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-v6.6/Documentation/scheduler/ |
| 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-v6.6/drivers/tty/serial/8250/ |
| D | 8250_of.c | 1 // SPDX-License-Identifier: GPL-2.0+
36 struct device_node *np = ofdev->dev.of_node; in of_platform_serial_setup()
37 struct uart_port *port = &up->port; in of_platform_serial_setup()
43 pm_runtime_enable(&ofdev->dev); in of_platform_serial_setup()
44 pm_runtime_get_sync(&ofdev->dev); in of_platform_serial_setup()
46 if (of_property_read_u32(np, "clock-frequency", &clk)) { in of_platform_serial_setup()
49 info->clk = devm_clk_get(&ofdev->dev, NULL); in of_platform_serial_setup()
50 if (IS_ERR(info->clk)) { in of_platform_serial_setup()
51 ret = PTR_ERR(info->clk); in of_platform_serial_setup()
52 if (ret != -EPROBE_DEFER) in of_platform_serial_setup()
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| 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>
165 return readl(priv->membase + (reg << OMAP_UART_REGSHIFT)); in uart_read()
175 struct omap8250_priv *priv = up->port.private_data; in __omap8250_set_mctrl()
180 if (!mctrl_gpio_to_gpiod(up->gpios, UART_GPIO_RTS)) { in __omap8250_set_mctrl()
187 if ((mctrl & TIOCM_RTS) && (port->status & UPSTAT_AUTORTS)) in __omap8250_set_mctrl()
188 priv->efr |= UART_EFR_RTS; in __omap8250_set_mctrl()
190 priv->efr &= ~UART_EFR_RTS; in __omap8250_set_mctrl()
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| D | 8250_port.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Base port operations for 8250/16550-type serial ports
255 * tx_loadsz is set to 63-bytes instead of 64-bytes to implement
256 * workaround of errata A-008006 which states that tx_loadsz should
268 .name = "Palmchip BK-3103",
354 offset = offset << p->regshift; in hub6_serial_in()
355 outb(p->hub6 - 1 + offset, p->iobase); in hub6_serial_in()
356 return inb(p->iobase + 1); in hub6_serial_in()
361 offset = offset << p->regshift; in hub6_serial_out()
362 outb(p->hub6 - 1 + offset, p->iobase); in hub6_serial_out()
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| /Linux-v6.6/drivers/usb/serial/ |
| 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()
72 .throttle = usb_serial_generic_throttle,
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| 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-v6.6/Documentation/networking/ |
| 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-v6.6/arch/arm/boot/dts/ti/omap/ |
| 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 stdout-path = &uart3;
19 * We seem to have only 1021 MB accessible, 1021 - 1022 is locked,
20 * then 1023 - 1024 seems to contain mbm.
28 gpio-poweroff {
29 compatible = "gpio-poweroff";
30 pinctrl-0 = <&poweroff_gpio>;
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| /Linux-v6.6/drivers/tty/serial/ |
| 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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| D | omap-serial.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Driver for OMAP-UART controller.
16 * this driver as required for the omap-platform.
38 #include <linux/platform_data/serial-omap.h>
79 #define OMAP_UART_DMA_CH_FREE -1
176 offset <<= up->port.regshift; in serial_in()
177 return readw(up->port.membase + offset); in serial_in()
182 offset <<= up->port.regshift; in serial_out()
183 writew(value, up->port.membase + offset); in serial_out()
197 struct omap_uart_port_info *pdata = dev_get_platdata(up->dev); in serial_omap_get_context_loss_count()
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| 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 */
260 unsigned int fifosize; /* vendor-specific */
261 unsigned int fixed_baud; /* vendor-set fixed baud rate */
280 return uap->reg_offset[reg]; in pl011_reg_to_offset()
286 void __iomem *addr = uap->port.membase + pl011_reg_to_offset(uap, reg); in pl011_read()
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| /Linux-v6.6/drivers/scsi/aic7xxx/ |
| 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-v6.6/drivers/net/usb/ |
| 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-v6.6/drivers/usb/class/ |
| 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-v6.6/drivers/tty/ |
| 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 /* --------------------------------------------------- */
339 u8 oldlcr = mxser_must_select_bank(info->ioaddr, MOXA_MUST_EFR_BANK1); in mxser_set_must_fifo_value()
340 outb(info->rx_high_water, info->ioaddr + MOXA_MUST_RBRTH_REGISTER); in mxser_set_must_fifo_value()
341 outb(info->rx_high_water, info->ioaddr + MOXA_MUST_RBRTI_REGISTER); in mxser_set_must_fifo_value()
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| /Linux-v6.6/drivers/usb/host/ |
| D | xhci.h | 1 /* 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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| 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-v6.6/drivers/net/ethernet/intel/e1000/ |
| 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-v6.6/kernel/sched/ |
| D | fair.c | 1 // SPDX-License-Identifier: GPL-2.0
43 #include <linux/memory-tiers.h>
61 * The initial- and re-scaling of tunables is configurable
65 * SCHED_TUNABLESCALING_NONE - unscaled, always *1
66 * SCHED_TUNABLESCALING_LOG - scaled logarithmical, *1+ilog(ncpus)
67 * SCHED_TUNABLESCALING_LINEAR - scaled linear, *ncpus
74 * Minimal preemption granularity for CPU-bound tasks:
108 return -cpu; in arch_asym_cpu_priority()
129 * Amount of runtime to allocate from global (tg) to local (per-cfs_rq) pool
188 lw->weight += inc; in update_load_add()
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| /Linux-v6.6/drivers/usb/fotg210/ |
| 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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