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/linux/Documentation/devicetree/bindings/timer/
H A Dxlnx,xps-timer.yaml1 # SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/timer/xlnx,xps-timer.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Xilinx LogiCORE IP AXI Timer
10 - Sean Anderson <sean.anderson@seco.com>
15 const: xlnx,xps-timer-1.00.a
18 maxItems: 1
20 clock-names:
24 maxItems: 1
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/linux/Documentation/devicetree/bindings/watchdog/
H A Dxlnx,xps-timebase-wdt.yaml1 # SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/watchdog/xlnx,xps-timebase-wdt.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Xilinx AXI/PLB softcore and window Watchdog Timer
10 - Shubhrajyoti Datta <shubhrajyoti.datta@amd.com>
11 - Srinivas Neeli <srinivas.neeli@amd.com>
14 The Timebase watchdog timer(WDT) is a free-running 32 bit counter.
15 WDT uses a dual-expiration architecture. After one expiration of
22 - $ref: watchdog.yaml#
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/linux/arch/microblaze/boot/dts/
H A Dsystem.dts1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * (C) Copyright 2007-2008 Xilinx, Inc.
6 * (C) Copyright 2007-2009 Michal Simek
13 * XPS project directory: Xilinx-ML505-ll_temac-sgdma-MMU-FDT-edk101
16 /dts-v1/;
18 #address-cells = <1>;
19 #size-cells = <1>;
32 stdout-path = "/plb@0/serial@84000000";
35 #address-cells = <1>;
37 #size-cells = <0>;
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/linux/net/sunrpc/
H A Dxprt.c1 // SPDX-License-Identifier: GPL-2.0-only
10 * - When a process places a call, it allocates a request slot if
13 * - Next, the caller puts together the RPC message, stuffs it into
15 * - xprt_transmit sends the message and installs the caller on the
17 * it installs a timer that is run after the packet's timeout has
19 * - When a packet arrives, the data_ready handler walks the list of
21 * caller is woken up, and the timer removed.
22 * - When no reply arrives within the timeout interval, the timer is
25 * of -ETIMEDOUT.
26 * - When the caller receives a notification from RPC that a reply arrived,
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/linux/drivers/watchdog/
H A Dof_xilinx_wdt.c1 // SPDX-License-Identifier: GPL-2.0+
5 * (C) Copyright 2013 - 2014 Xilinx, Inc.
28 #define XWT_CSR0_WDS_MASK BIT(2) /* Timer state */
29 #define XWT_CSR0_EWDT1_MASK BIT(1) /* Enable bit 1 */
31 /* Control/Status Register 0/1 bits */
54 ret = clk_enable(xdev->clk); in xilinx_wdt_start()
56 dev_err(wdd->parent, "Failed to enable clock\n"); in xilinx_wdt_start()
60 spin_lock(&xdev->spinlock); in xilinx_wdt_start()
62 /* Clean previous status and enable the watchdog timer */ in xilinx_wdt_start()
63 control_status_reg = ioread32(xdev->base + XWT_TWCSR0_OFFSET); in xilinx_wdt_start()
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/linux/arch/sh/boot/dts/
H A Dj2_mimas_v2.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
5 compatible = "jcore,j2-soc";
8 #address-cells = <1>;
9 #size-cells = <1>;
11 interrupt-parent = <&aic>;
14 #address-cells = <1>;
15 #size-cells = <0>;
21 clock-frequency = <50000000>;
22 d-cache-size = <8192>;
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/linux/arch/microblaze/kernel/
H A Dtimer.c2 * Copyright (C) 2007-2013 Michal Simek <monstr@monstr.eu>
3 * Copyright (C) 2012-2013 Xilinx, Inc.
4 * Copyright (C) 2007-2009 PetaLogix
36 #define TCSR_MDT (1<<0)
37 #define TCSR_UDT (1<<1)
38 #define TCSR_GENT (1<<2)
39 #define TCSR_CAPT (1<<3)
40 #define TCSR_ARHT (1<<4)
41 #define TCSR_LOAD (1<<5)
42 #define TCSR_ENIT (1<<6)
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/linux/include/linux/sunrpc/
H A Dxprt.h1 /* SPDX-License-Identifier: GPL-2.0 */
28 #define RPC_CWNDSCALE (1U << RPC_CWNDSHIFT)
30 #define RPC_MAXCWND(xprt) ((xprt)->max_reqs << RPC_CWNDSHIFT)
31 #define RPCXPRT_CONGESTED(xprt) ((xprt)->cong >= (xprt)->cwnd)
58 * This is the user-visible part
70 int rq_cong; /* has incremented xprt->cong */
100 ktime_t rq_rtt; /* round-trip time */
127 if (likely(req->rq_seqno_count < RPC_GSS_SEQNO_ARRAY_SIZE)) in xprt_rqst_add_seqno()
128 req->rq_seqno_count++; in xprt_rqst_add_seqno()
131 memmove(&req->rq_seqnos[1], &req->rq_seqnos[0], in xprt_rqst_add_seqno()
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/linux/drivers/input/serio/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
113 This driver provides support for the PS/2 ports on PA-RISC machines
130 The SDC itself contains a 10ms resolution timer/clock capable
131 of delivering interrupts on a periodic and one-shot basis.
132 The SDC may also be connected to a battery-backed real-time
133 clock, a basic audio waveform generator, and an HP-HIL Master
196 allocating minor 1 (that historically corresponds to /dev/psaux)
199 echo -n "serio_raw" > /sys/bus/serio/devices/serioX/drvctl
205 tristate "Xilinx XPS PS/2 Controller Support"
208 This driver supports XPS PS/2 IP from the Xilinx EDK on
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/linux/drivers/pwm/
H A Dpwm-xilinx.c1 // SPDX-License-Identifier: GPL-2.0+
6 * - When changing both duty cycle and period, we may end up with one cycle
13 * - Cannot produce 100% duty cycle by configuring the TLRs. This might be
16 * - Only produces "normal" output.
17 * - Always produces low output if disabled.
20 #include <clocksource/timer-xilinx.h>
22 #include <linux/clk-provider.h>
37 WARN_ON(cycles < 2 || cycles - 2 > priv->max); in xilinx_timer_tlr_cycles()
40 return cycles - 2; in xilinx_timer_tlr_cycles()
41 return priv->max - cycles + 2; in xilinx_timer_tlr_cycles()
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/linux/arch/x86/kernel/
H A Dapm_32.c1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* -*- linux-c -*-
4 * Copyright 1994-2001 Stephen Rothwell (sfr@canb.auug.org.au)
16 * (Thanks to Ulrich Windl <Ulrich.Windl@rz.uni-regensburg.de>)
43 * 1.1: support user-space standby and suspend, power off after system
46 * is only incorrect by 30-60mS (vs. 1S previously) (Gabor J. Toth
48 * screen-blanking and gpm (Stephen Rothwell); Linux 1.99.4
63 * <echter@informatik.uni-rostock.de>
68 * Reset interrupt 0 timer to 100Hz after suspend
109 * <Walter.Hofmann@physik.stud.uni-erlangen.de>).
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/linux/drivers/net/ethernet/intel/fm10k/
H A Dfm10k_pci.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2013 - 2019 Intel Corporation. */
15 * fm10k_pci_tbl - PCI Device ID Table
35 struct fm10k_intfc *interface = hw->back; in fm10k_read_pci_cfg_word()
38 if (FM10K_REMOVED(hw->hw_addr)) in fm10k_read_pci_cfg_word()
41 pci_read_config_word(interface->pdev, reg, &value); in fm10k_read_pci_cfg_word()
50 u32 __iomem *hw_addr = READ_ONCE(hw->hw_addr); in fm10k_read_reg()
58 struct fm10k_intfc *interface = hw->back; in fm10k_read_reg()
59 struct net_device *netdev = interface->netdev; in fm10k_read_reg()
61 hw->hw_addr = NULL; in fm10k_read_reg()
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/linux/net/sched/
H A Dsch_fq.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (C) 2013-2023 Eric Dumazet <edumazet@google.com>
8 * Fast classification depends on skb->sk being set before reaching us.
17 * Transport (eg TCP) can set in sk->sk_pacing_rate a rate, enqueue a
22 * - lookup one RB tree (out of 1024 or more) to find the flow.
25 * - Use a special fifo for high prio packets
61 return (struct fq_skb_cb *)qdisc_skb_cb(skb)->data; in fq_skb_cb()
66 * If packets have monotically increasing time_to_send, they are placed in O(1)
75 unsigned long age; /* (jiffies | 1UL) when flow was emptied, for gc */
79 /* Following field is only used for q->internal,
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/linux/net/ipv4/
H A Dtcp_output.c1 // SPDX-License-Identifier: GPL-2.0-only
12 * Corey Minyard <wf-rch!minyard@relay.EU.net>
13 * Florian La Roche, <flla@stud.uni-sb.de>
33 * Cacophonix Gaul : draft-minshall-nagle-01
61 tp->tcp_clock_cache = val; in tcp_mstamp_refresh()
62 tp->tcp_mstamp = div_u64(val, NSEC_PER_USEC); in tcp_mstamp_refresh()
73 unsigned int prior_packets = tp->packets_out; in tcp_event_new_data_sent()
75 WRITE_ONCE(tp->snd_nxt, TCP_SKB_CB(skb)->end_seq); in tcp_event_new_data_sent()
77 __skb_unlink(skb, &sk->sk_write_queue); in tcp_event_new_data_sent()
78 tcp_rbtree_insert(&sk->tcp_rtx_queue, skb); in tcp_event_new_data_sent()
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/linux/net/core/
H A Ddev.c1 // SPDX-License-Identifier: GPL-2.0-or-later
11 * Florian la Roche <rzsfl@rz.uni-sb.de>
19 * D.J. Barrow : Fixed bug where dev->refcnt gets set
54 * 1 device.
64 * Pekka Riikonen : Netdev boot-time settings code
66 * indefinitely on dev->refcnt
67 * J Hadi Salim : - Backlog queue sampling
68 * - netif_rx() feedback
169 #include "net-sysfs.h"
189 unsigned int val = net->dev_base_seq + 1; in dev_base_seq_inc()
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/linux/drivers/net/ethernet/intel/i40e/
H A Di40e_main.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2013 - 2021 Intel Corporation. */
32 static const char i40e_copyright[] = "Copyright (c) 2013 - 2019 Intel Corporation.";
58 /* i40e_pci_tbl - PCI Device ID Table
98 static int debug = -1;
118 if (is_unicast_ether_addr(f->macaddr) || is_link_local_ether_addr(f->macaddr)) in netdev_hw_addr_refcnt()
119 ha_list = &netdev->uc; in netdev_hw_addr_refcnt()
121 ha_list = &netdev->mc; in netdev_hw_addr_refcnt()
124 if (ether_addr_equal(ha->addr, f->macaddr)) { in netdev_hw_addr_refcnt()
125 ha->refcount += delta; in netdev_hw_addr_refcnt()
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/linux/drivers/net/ethernet/broadcom/bnxt/
H A Dbnxt.c1 /* Broadcom NetXtreme-C/E network driver.
3 * Copyright (c) 2014-2016 Broadcom Corporation
4 * Copyright (c) 2016-2019 Broadcom Limited
15 #include <linux/timer.h>
25 #include <linux/dma-mapping.h>
60 #include <linux/pci-tph.h>
95 [BCM57301] = { "Broadcom BCM57301 NetXtreme-C 10Gb Ethernet" },
96 [BCM57302] = { "Broadcom BCM57302 NetXtreme-C 10Gb/25Gb Ethernet" },
97 [BCM57304] = { "Broadcom BCM57304 NetXtreme-C 10Gb/25Gb/40Gb/50Gb Ethernet" },
98 [BCM57417_NPAR] = { "Broadcom BCM57417 NetXtreme-E Ethernet Partition" },
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/linux/drivers/net/ethernet/intel/ixgbe/
H A Dixgbe_main.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 1999 - 2024 Intel Corporation. */
66 "Copyright (c) 1999-2016 Intel Corporation.";
82 /* ixgbe_pci_tbl - PCI Device ID Table
162 …"Maximum number of virtual functions to allocate per physical function - default is zero and maxim…
168 "Allow unsupported and untested SFP+ modules on 82599-based adapters");
171 static int debug = -1;
193 return dev && (dev->netdev_ops == &ixgbe_netdev_ops); in netif_is_ixgbe()
202 parent_bus = adapter->pdev->bus->parent; in ixgbe_read_pci_cfg_word_parent()
204 return -1; in ixgbe_read_pci_cfg_word_parent()
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/linux/include/linux/
H A Dskbuff.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
7 * Florian La Roche, <rzsfl@rz.uni-sb.de>
28 #include <linux/dma-mapping.h>
40 #include <net/dropreason-core.h>
57 * .. flat-table:: Checksum related device features
58 * :widths: 1 10
60 * * - %NETIF_F_HW_CSUM
61 * - The driver (or its device) is able to compute one
67 * * - %NETIF_F_IP_CSUM
68 * - Driver (device) is only able to checksum plain
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