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/linux/Documentation/devicetree/bindings/serial/
H A D8250.yaml3 ---
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/drivers/usb/serial/
H A Dgeneric.c1 // 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 Dftdi_sio.c1 // 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/drivers/tty/serial/8250/
H A D8250_of.c1 // SPDX-License-Identifier: GPL-2.0+
54 return DIV_ROUND_CLOSEST(port->uartclk, 16 * baud + 2) - 2; in npcm_get_divisor()
59 port->get_divisor = npcm_get_divisor; in npcm_setup()
60 port->startup = npcm_startup; in npcm_setup()
73 struct uart_8250_port *port8250 = serial8250_get_port(info->line); in of_platform_serial_clk_notifier_cb()
77 serial8250_update_uartclk(&port8250->port, ndata->new_rate); in of_platform_serial_clk_notifier_cb()
92 struct device *dev = &ofdev->dev; in of_platform_serial_setup()
93 struct device_node *np = dev->of_node; in of_platform_serial_setup()
94 struct uart_port *port = &up->port; in of_platform_serial_setup()
100 pm_runtime_enable(&ofdev->dev); in of_platform_serial_setup()
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/linux/arch/arm/boot/dts/ti/omap/
H A Dmotorola-mapphone-common.dtsi1 // 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 Dcan.rst2 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/net/usb/
H A Dusbnet.c1 // 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 Dcdc-acm.c1 // 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/net/ethernet/intel/e1000/
H A De1000_hw.h1 /* 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/tty/serial/
H A Domap-serial.c1 // 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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H A Damba-pl011.c1 // 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 */
268 unsigned int fifosize; /* vendor-specific */
269 unsigned int fixed_baud; /* vendor-set fixed baud rate */
292 return uap->reg_offset[reg]; in pl011_reg_to_offset()
298 void __iomem *addr = uap->port.membase + pl011_reg_to_offset(uap, reg); in pl011_read()
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/linux/kernel/sched/
H A Dfair.c1 // SPDX-License-Identifier: GPL-2.0
44 #include <linux/memory-tiers.h>
62 * The initial- and re-scaling of tunables is configurable
66 * SCHED_TUNABLESCALING_NONE - unscaled, always *1
67 * SCHED_TUNABLESCALING_LOG - scaled logarithmically, *1+ilog(ncpus)
68 * SCHED_TUNABLESCALING_LINEAR - scaled linear, *ncpus
75 * Minimal preemption granularity for CPU-bound tasks:
96 return -cpu; in arch_asym_cpu_priority()
116 * Amount of runtime to allocate from global (tg) to local (per-cfs_rq) pool
167 lw->weight += inc; in update_load_add()
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/linux/drivers/gpu/drm/imagination/
H A Dpvr_rogue_fwif_sf.h1 /* 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/drivers/usb/host/
H A 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.
26 #include <linux/dma-mapping.h>
83 #define EHCI_TUNE_CERR 3 /* 0-3 qtd retries; 0 == don't stop */
84 #define EHCI_TUNE_RL_HS 4 /* nak throttle; see 4.9 */
86 #define EHCI_TUNE_MULT_HS 1 /* 1-3 transactions/uframe; 4.10.3 */
102 u32 hcs_params; /* HCSPARAMS - offset 0x4 */
111 u32 hcc_params; /* HCCPARAMS - offset 0x8 */
117 #define HCC_64BIT_ADDR(p) ((p)&(1)) /* true: can use 64-bit addr */
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/linux/mm/
H A Dmemcontrol.c1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* memcontrol.c - Memory Controller
28 #include <linux/cgroup-defs.h>
40 #include <linux/page-flags.h>
41 #include <linux/backing-dev.h>
70 #include "memcontrol-v1.h"
108 (current->flags & PF_EXITING); in task_is_dying()
116 return &memcg->vmpressure; in memcg_to_vmpressure()
146 * objcg->nr_charged_bytes can't have an arbitrary byte value. in obj_cgroup_release()
150 * 1) CPU0: objcg == stock->cached_objcg in obj_cgroup_release()
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