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/linux/drivers/usb/host/
H A Dehci-timer.c1 // SPDX-License-Identifier: GPL-2.0+
6 /* This file is part of ehci-hcd.c */
8 /*-------------------------------------------------------------------------*/
13 ehci->command |= bit; in ehci_set_command_bit()
14 ehci_writel(ehci, ehci->command, &ehci->regs->command); in ehci_set_command_bit()
17 ehci_readl(ehci, &ehci->regs->command); in ehci_set_command_bit()
23 ehci->command &= ~bit; in ehci_clear_command_bit()
24 ehci_writel(ehci, ehci->command, &ehci->regs->command); in ehci_clear_command_bit()
27 ehci_readl(ehci, &ehci->regs->command); in ehci_clear_command_bit()
30 /*-------------------------------------------------------------------------*/
[all …]
/linux/arch/powerpc/include/asm/
H A Ddelay.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
23 * is supposed to take 1ms, the hypervisor could sleep our partition for
24 * longer (eg 10ms). With the right timing these errors can add up.
34 * spin_event_timeout - spin until a condition gets true or a timeout elapses
36 * @timeout: timeout, in microseconds
40 * The process spins until the condition evaluates to true (non-zero) or the
41 * timeout elapses. The return value of this macro is the value of
44 * timeout has occurred.
46 * This primary purpose of this macro is to poll on a hardware register
47 * until a status bit changes. The timeout ensures that the loop still
[all …]
/linux/drivers/usb/misc/
H A Dlegousbtower.c1 // SPDX-License-Identifier: GPL-2.0+
6 * 2001-2004 Juergen Stuber <starblue@users.sourceforge.net>
8 * derived from USB Skeleton driver - 0.5
9 * Copyright (C) 2001 Greg Kroah-Hartman (greg@kroah.com)
13 * 2001-10-13 - 0.1 js
14 * - first version
15 * 2001-11-03 - 0.2 js
16 * - simplified buffering, one-shot URBs for writing
17 * 2001-11-10 - 0.3 js
18 * - removed IOCTL (setting power/mode is more complicated, postponed)
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/linux/drivers/net/wireless/ti/wl1251/
H A Dps.c1 // SPDX-License-Identifier: GPL-2.0-only
13 /* in ms */
26 mutex_lock(&wl->mutex); in wl1251_elp_work()
28 if (wl->elp || wl->station_mode == STATION_ACTIVE_MODE) in wl1251_elp_work()
33 wl->elp = true; in wl1251_elp_work()
36 mutex_unlock(&wl->mutex); in wl1251_elp_work()
46 if (wl->station_mode != STATION_ACTIVE_MODE) { in wl1251_ps_elp_sleep()
48 ieee80211_queue_delayed_work(wl->hw, &wl->elp_work, delay); in wl1251_ps_elp_sleep()
54 unsigned long timeout, start; in wl1251_ps_elp_wakeup() local
57 cancel_delayed_work(&wl->elp_work); in wl1251_ps_elp_wakeup()
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/linux/drivers/rtc/
H A Drtc-mc146818-lib.c1 // SPDX-License-Identifier: GPL-2.0-only
16 * Execute a function while the UIP (Update-in-progress) bit of the RTC is
17 * unset. The timeout is configurable by the caller in ms.
22 int timeout, in mc146818_avoid_UIP() argument
29 for (i = 0; UIP_RECHECK_LOOPS_MS(i) < timeout; i++) { in mc146818_avoid_UIP()
34 * readout is unspecified. The maximum update time is ~2ms. Poll in mc146818_avoid_UIP()
81 pr_warn("Reading current time from RTC took around %li ms\n", in mc146818_avoid_UIP()
91 * If the UIP (Update-in-progress) bit of the RTC is set for more then
92 * 10ms, the RTC is apparently broken or not present.
119 * by the RTC when initially set to a non-zero value. in mc146818_get_time_callback()
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/linux/drivers/parport/
H A Dieee1284.c2 * IEEE-1284 implementation for parport.
5 * Carsten Gross <carsten@sol.wohnheim.uni-ulm.de>
10 * read/write requests to low-level drivers.
38 up (&port->physport->ieee1284.irq); in parport_ieee1284_wakeup()
49 * parport_wait_event - wait for an event on a parallel port
51 * @timeout: time to wait (in jiffies)
53 * This function waits for up to @timeout jiffies for an
54 * interrupt to occur on a parallel port. If the port timeout is
57 * If an interrupt occurs before the timeout period elapses, this
64 int parport_wait_event (struct parport *port, signed long timeout) in parport_wait_event() argument
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/linux/fs/
H A Deventpoll.c1 // SPDX-License-Identifier: GPL-2.0-or-later
18 #include <linux/poll.h>
48 * 2) ep->mtx (mutex)
49 * 3) ep->lock (spinlock)
52 * We need a spinlock (ep->lock) because we manipulate objects
53 * from inside the poll callback, that might be triggered from
55 * So we can't sleep inside the poll callback and hence we need
59 * mutex (ep->mtx). It is acquired during the event transfer loop,
68 * It is necessary to acquire multiple "ep->mtx"es at once in the
71 * epoll_ctl(e1, EPOLL_CTL_ADD, e2), e1->mtx will always be acquired
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/linux/drivers/scsi/qla2xxx/
H A Dqla_nx2.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright (c) 2003-2014 QLogic Corporation
36 return readl((void __iomem *) (ha->nx_pcibase + addr)); in qla8044_rd_reg()
42 writel(val, (void __iomem *)((ha)->nx_pcibase + addr)); in qla8044_wr_reg()
49 struct qla_hw_data *ha = vha->hw; in qla8044_rd_direct()
62 struct qla_hw_data *ha = vha->hw; in qla8044_wr_direct()
73 struct qla_hw_data *ha = vha->hw; in qla8044_set_win_base()
75 qla8044_wr_reg(ha, QLA8044_CRB_WIN_FUNC(ha->portnum), addr); in qla8044_set_win_base()
76 val = qla8044_rd_reg(ha, QLA8044_CRB_WIN_FUNC(ha->portnum)); in qla8044_set_win_base()
92 struct qla_hw_data *ha = vha->hw; in qla8044_rd_reg_indirect()
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/linux/tools/perf/tests/shell/common/
H A Dpatterns.sh1 # SPDX-License-Identifier: GPL-2.0
3 export RE_NUMBER="[0-9\.]+"
9 export RE_NUMBER_HEX="[0-9A-Fa-f]+"
18 …xport RE_DATE_YYYYMMDD="[0-9]{4}-(?:(?:01|03|05|07|08|10|12)-(?:[0-2][0-9]|3[0-1])|02-[0-2][0-9]|(…
19 # Date in YYYY-MM-DD form
21 # 1990-02-29
22 # 0015-07-31
23 # 2456-12-31
24 #! 2012-13-01
25 #! 1963-09-31
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/linux/drivers/net/ethernet/intel/ixgbe/
H A Dixgbe_82598.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 1999 - 2018 Intel Corporation. */
26 * ixgbe_set_pcie_completion_timeout - set pci-e completion timeout
29 * The defaults for 82598 should be in the range of 50us to 50ms,
30 * however the hardware default for these parts is 500us to 1ms which is less
31 * than the 10ms recommended by the pci-e spec. To address this we need to
32 * increase the value to either 10ms to 250ms for capability version 1 config,
33 * or 16ms to 55ms for version 2.
40 if (ixgbe_removed(hw->hw_addr)) in ixgbe_set_pcie_completion_timeout()
43 /* only take action if timeout value is defaulted to 0 */ in ixgbe_set_pcie_completion_timeout()
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/linux/drivers/media/common/saa7146/
H A Dsaa7146_i2c.c1 // SPDX-License-Identifier: GPL-2.0
4 #include <media/drv-intf/saa7146_vv.h>
8 /* DEB_I2C("'%s'\n", adapter->name); */ in saa7146_i2c_func()
16 /* this function returns the status-register of our i2c-device */
24 /* this function runs through the i2c-messages and prepares the data to be
26 to understand this. it returns the number of u32s to send, or -1
41 mem = 1 + ((mem-1) / 3); in saa7146_i2c_msg_prepare()
47 /* DEB_I2C("cannot prepare i2c-message\n"); */ in saa7146_i2c_msg_prepare()
48 return -ENOMEM; in saa7146_i2c_msg_prepare()
51 /* be careful: clear out the i2c-mem first */ in saa7146_i2c_msg_prepare()
[all …]
/linux/tools/testing/selftests/thermal/intel/workload_hint/
H A Dworkload_hint_test.c1 // SPDX-License-Identifier: GPL-2.0
10 #include <poll.h>
66 printf("Setting notification delay to %d ms\n", delay); in main()
129 ret = poll(&ufd, 1, -1); in main()
131 perror("poll error"); in main()
134 printf("Poll Timeout\ in main()
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/linux/drivers/usb/musb/
H A Dmpfs.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (c) 2020-2022 Microchip Corporation. All rights reserved.
11 #include <linux/dma-mapping.h>
61 devctl = musb_readb(musb->mregs, MUSB_DEVCTL); in mpfs_musb_set_vbus()
64 musb->is_active = 1; in mpfs_musb_set_vbus()
65 musb->xceiv->otg->default_a = 1; in mpfs_musb_set_vbus()
66 musb->xceiv->otg->state = OTG_STATE_A_WAIT_VRISE; in mpfs_musb_set_vbus()
70 musb->is_active = 0; in mpfs_musb_set_vbus()
73 * NOTE: skipping A_WAIT_VFALL -> A_IDLE and in mpfs_musb_set_vbus()
76 musb->xceiv->otg->default_a = 0; in mpfs_musb_set_vbus()
[all …]
/linux/drivers/net/ethernet/qlogic/qlcnic/
H A Dqlcnic_minidump.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright (c) 2009-2013 QLogic Corporation
79 u16 timeout; member
81 u16 timeout; member
274 return hdr->saved_state[index]; in qlcnic_82xx_get_saved_state()
282 hdr->saved_state[index] = value; in qlcnic_82xx_set_saved_state()
289 hdr = fw_dump->tmpl_hdr; in qlcnic_82xx_cache_tmpl_hdr_values()
290 fw_dump->tmpl_hdr_size = hdr->size; in qlcnic_82xx_cache_tmpl_hdr_values()
291 fw_dump->version = hdr->version; in qlcnic_82xx_cache_tmpl_hdr_values()
292 fw_dump->num_entries = hdr->num_entries; in qlcnic_82xx_cache_tmpl_hdr_values()
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H A Dqlcnic_83xx_init.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright (c) 2009-2013 QLogic Corporation
83 /* Generic poll command */
136 val = QLCRDX(adapter->ahw, QLC_83XX_IDC_DRV_PRESENCE); in qlcnic_83xx_idc_check_driver_presence_reg()
146 cur = adapter->ahw->idc.curr_state; in qlcnic_83xx_idc_log_state_history()
147 prev = adapter->ahw->idc.prev_state; in qlcnic_83xx_idc_log_state_history()
149 dev_info(&adapter->pdev->dev, in qlcnic_83xx_idc_log_state_history()
151 adapter->ahw->idc.name[cur], in qlcnic_83xx_idc_log_state_history()
152 adapter->ahw->idc.name[prev]); in qlcnic_83xx_idc_log_state_history()
163 return -EBUSY; in qlcnic_83xx_idc_update_audit_reg()
[all …]
/linux/drivers/gpu/drm/xe/
H A Dxe_pcode.c1 // SPDX-License-Identifier: MIT
10 #include <linux/error-injection.h>
29 * - PCODE hw metrics
30 * - PCODE for display operations
37 [PCODE_ILLEGAL_CMD] = {-ENXIO, "Illegal Command"}, in pcode_mailbox_status()
38 [PCODE_TIMEOUT] = {-ETIMEDOUT, "Timed out"}, in pcode_mailbox_status()
39 [PCODE_ILLEGAL_DATA] = {-EINVAL, "Illegal Data"}, in pcode_mailbox_status()
40 [PCODE_ILLEGAL_SUBCOMMAND] = {-ENXIO, "Illegal Subcommand"}, in pcode_mailbox_status()
41 [PCODE_LOCKED] = {-EBUSY, "PCODE Locked"}, in pcode_mailbox_status()
42 [PCODE_GT_RATIO_OUT_OF_RANGE] = {-EOVERFLOW, in pcode_mailbox_status()
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/linux/drivers/net/wireless/ti/wlcore/
H A Dconf.h1 /* SPDX-License-Identifier: GPL-2.0-only */
117 * Range: 0 - 0xFFFFFFFF
130 * after a PS-poll has been transmitted.
132 * Range: 0 - 200000
139 * Range: 0 - 200000
147 * Range: 0 - 4096
161 * Occupied Rx mem-blocks number which requires interrupting the host
177 * Max time in msec the FW may delay RX-Complete interrupt.
179 * Range: 1 - 100
273 * Range: bit 0: Truncate - when set, FW attempts to send a frame stop
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/linux/drivers/iio/pressure/
H A Ddps310.c1 // SPDX-License-Identifier: GPL-2.0+
14 * - Optionally support the FIFO
60 /* Make sure sleep time is <= 30ms for usleep_range */
119 rc = regmap_bulk_read(data->regmap, DPS310_COEF_BASE, coef, in dps310_get_coefs()
126 * numbers are 12-bit 2's complement numbers. in dps310_get_coefs()
129 data->c0 = sign_extend32(c0, 11); in dps310_get_coefs()
132 data->c1 = sign_extend32(c1, 11); in dps310_get_coefs()
140 data->c00 = sign_extend32(c00, 19); in dps310_get_coefs()
143 data->c10 = sign_extend32(c10, 19); in dps310_get_coefs()
146 data->c01 = sign_extend32(c01, 15); in dps310_get_coefs()
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/linux/drivers/media/dvb-core/
H A Ddvb_ca_en50221.c1 // SPDX-License-Identifier: GPL-2.0-or-later
13 * Copyright (C) 1999-2002 Ralph Metzler
109 unsigned long timeout; member
112 /* Private CA-interface information */
147 * Slot to start looking for data to read from in the next user-space
166 dvb_device_put(ca->dvbdev); in dvb_ca_private_free()
167 for (i = 0; i < ca->slot_count; i++) in dvb_ca_private_free()
168 vfree(ca->slot_info[i].rx_buffer.data); in dvb_ca_private_free()
170 kfree(ca->slot_info); in dvb_ca_private_free()
184 kref_get(&ca->refcount); in dvb_ca_private_get()
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/linux/drivers/net/wireless/ath/ath6kl/
H A Dhif.c2 * Copyright (c) 2007-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
23 #include "hif-ops.h"
29 #define ATH6KL_TIME_QUANTUM 10 /* in ms */
37 buf = req->virt_dma_buf; in ath6kl_hif_cp_scat_dma_buf()
39 for (i = 0; i < req->scat_entries; i++) { in ath6kl_hif_cp_scat_dma_buf()
41 memcpy(req->scat_list[i].buf, buf, in ath6kl_hif_cp_scat_dma_buf()
42 req->scat_list[i].len); in ath6kl_hif_cp_scat_dma_buf()
44 memcpy(buf, req->scat_list[i].buf, in ath6kl_hif_cp_scat_dma_buf()
45 req->scat_list[i].len); in ath6kl_hif_cp_scat_dma_buf()
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/linux/drivers/net/dsa/mv88e6xxx/
H A Dsmi.c1 // SPDX-License-Identifier: GPL-2.0-or-later
16 * When ADDR is all zero, the chip uses Single-chip Addressing Mode, assuming it
20 * When ADDR is non-zero, the chip uses Multi-chip Addressing Mode, allowing
34 ret = mdiobus_read_nested(chip->bus, dev, reg); in mv88e6xxx_smi_direct_read()
48 ret = mdiobus_write_nested(chip->bus, dev, reg, data); in mv88e6xxx_smi_direct_write()
58 const unsigned long timeout = jiffies + msecs_to_jiffies(50); in mv88e6xxx_smi_direct_wait() local
63 /* Even if the initial poll takes longer than 50ms, always do in mv88e6xxx_smi_direct_wait()
66 for (i = 0; time_before(jiffies, timeout) || (i < 2); i++) { in mv88e6xxx_smi_direct_wait()
80 return -ETIMEDOUT; in mv88e6xxx_smi_direct_wait()
91 return mv88e6xxx_smi_direct_read(chip, chip->sw_addr + dev, reg, data); in mv88e6xxx_smi_dual_direct_read()
[all …]
/linux/include/linux/usb/
H A Drndis_host.h1 // SPDX-License-Identifier: GPL-2.0+
14 * - control-out: SEND_ENCAPSULATED
15 * - interrupt-in: RESPONSE_AVAILABLE
16 * - control-in: GET_ENCAPSULATED
32 /* MS-Windows uses this strange size, but RNDIS spec says 1024 minimum */
35 /* RNDIS defines an (absurdly huge) 10 second control timeout,
36 * but ActiveSync seems to use a more usual 5 second timeout
44 __le32 data_offset; /* 36 -- right after header */
185 #define RNDIS_DRIVER_DATA_POLL_STATUS 1 /* poll status before control */
/linux/drivers/scsi/qla4xxx/
H A Dql4_nx.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright (c) 2003-2013 QLogic Corporation
14 #include <linux/io-64-nonatomic-lo-hi.h>
40 if ((off < ha->first_page_group_end) && in qla4_8xxx_pci_base_offsetfset()
41 (off >= ha->first_page_group_start)) in qla4_8xxx_pci_base_offsetfset()
42 return (void __iomem *)(ha->nx_pcibase + off); in qla4_8xxx_pci_base_offsetfset()
100 qla4_8xxx_crb_addr_transform(MS); in qla4_82xx_crb_addr_transform_setup()
219 {{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */
363 ha->crb_win = CRB_HI(*off); in qla4_82xx_pci_set_crbwindow_2M()
364 writel(ha->crb_win, in qla4_82xx_pci_set_crbwindow_2M()
[all …]
H A Dql4_83xx.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright (c) 2003-2013 QLogic Corporation
17 return readl((void __iomem *)(ha->nx_pcibase + addr)); in qla4_83xx_rd_reg()
22 writel(val, (void __iomem *)(ha->nx_pcibase + addr)); in qla4_83xx_wr_reg()
30 qla4_83xx_wr_reg(ha, QLA83XX_CRB_WIN_FUNC(ha->func_num), addr); in qla4_83xx_set_win_base()
31 val = qla4_83xx_rd_reg(ha, QLA83XX_CRB_WIN_FUNC(ha->func_num)); in qla4_83xx_set_win_base()
78 int timeout = 0; in qla4_83xx_flash_lock() local
87 if (++timeout >= QLA83XX_FLASH_LOCK_TIMEOUT / 20) { in qla4_83xx_flash_lock()
91 __func__, ha->func_num, lock_owner); in qla4_83xx_flash_lock()
98 qla4_83xx_wr_reg(ha, QLA83XX_FLASH_LOCK_ID, ha->func_num); in qla4_83xx_flash_lock()
[all …]
/linux/include/uapi/linux/
H A Dfd.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
28 #define FD_SECTBASE(floppy) ((((floppy)->stretch & FD_SECTBASEMASK) >> 2) ^ 1)
35 #define FD_SIZECODE(floppy) (((((floppy)->rate&FD_SIZECODEMASK)>> 3)+ 2) %8)
36 #define FD_SECTSIZE(floppy) ( (floppy)->rate & FD_2M ? \
50 /* clear user-defined parameters */
54 /* set user-defined parameters for current media */
100 * ultra cheap floppies ;-)
130 /* Spec2 is (HLD<<1 | ND), where HLD is head load time (1=2ms, 2=4 ms
131 * etc) and ND is set means no DMA. Hardcoded to 6 (HLD=6ms, use DMA).
141 unsigned long spindown; /* timeout needed for spindown */
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