Searched refs:latency (Results 1 - 25 of 51) sorted by relevance

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/drivers/block/rsxx/
H A Drsxx_cfg.h51 __u32 latency;/* Max wait time (in ns) */ member in struct:card_cfg_data::__anon365
H A Dconfig.c42 cfg->data.intr_coal.latency = 0;
206 dev_dbg(CARD_TO_DEV(card), "latency: x%08x\n",
207 card->config.data.intr_coal.latency);
H A Ddma.c192 static u32 dma_intr_coal_val(u32 mode, u32 count, u32 latency) argument
194 u32 latency_units = latency / INTR_COAL_LATENCY_UNITS_NS;
219 card->config.data.intr_coal.latency);
900 card->config.data.intr_coal.latency);
/drivers/cpufreq/
H A Dpowernow-k7.c101 static unsigned int latency; variable
227 fidvidctl.bits.SGTC = latency;
242 fidvidctl.bits.SGTC = latency;
407 if (latency < pc.bits.sgtc)
408 latency = pc.bits.sgtc;
483 latency = psb->settlingtime;
484 if (latency < 100) {
488 "Correcting.\n", latency);
489 latency = 100;
553 sgtc = 100 * m * latency;
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H A Dcpufreq_governor.c119 * actually is. This is undesirable for latency-sensitive bursty
252 unsigned int sampling_rate, latency, ignore_nice, j, cpu = policy->cpu; local
301 /* policy latency is in ns. Convert it to us first */
302 latency = policy->cpuinfo.transition_latency / 1000;
303 if (latency == 0)
304 latency = 1;
308 MIN_LATENCY_MULTIPLIER * latency);
310 latency * LATENCY_MULTIPLIER));
H A Dexynos5440-cpufreq.c103 unsigned int latency; member in struct:exynos_dvfs_data
305 dvfs_info->latency);
379 if (of_property_read_u32(np, "clock-latency", &dvfs_info->latency))
380 dvfs_info->latency = DEF_TRANS_LATENCY;
H A Ds3c2410-cpufreq.c92 /* transition latency is about 5ms worst-case, so
94 .latency = 10000000,
H A Ds3c2412-cpufreq.c175 .latency = 5000000, /* 5ms */
H A Dpcc-cpufreq.c84 u32 latency; member in struct:pcc_header
461 " status field: 0x%x, nominal latency: %d us\n",
466 ioread32(&pcch_hdr->latency));
/drivers/media/pci/mantis/
H A Dmantis_pci.c51 u8 latency; local
97 pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &latency);
98 mantis->latency = latency;
107 "irq: %d, latency: %d\n memory: 0x%lx, mmio: 0x%p\n",
109 mantis->latency,
H A Dmantis_common.h113 u8 latency; member in struct:mantis_pci
H A Dmantis_core.c149 "irq: %d, latency: %d\n memory: 0x%lx, mmio: 0x%p\n",
150 mantis->pdev->irq, mantis->latency,
/drivers/media/pci/tw68/
H A Dtw68-core.c51 static unsigned int latency = UNSET; variable
52 module_param(latency, int, 0444);
53 MODULE_PARM_DESC(latency, "pci latency timer");
246 if (UNSET != latency) {
247 pr_info("%s: setting pci latency timer to %d\n",
248 dev->name, latency);
249 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
255 pr_info("%s: found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n",
/drivers/mmc/card/
H A DKconfig40 SD/MMC is a high latency protocol where it is crucial to
59 is requested. This will reduce overall resume latency and
/drivers/usb/host/
H A Disp1760-if.c176 u8 latency, limit; local
239 pci_read_config_byte(dev, PCI_LATENCY_TIMER, &latency);
240 if (latency) {
242 if (limit && limit < latency)
/drivers/usb/misc/
H A DKconfig9 This driver loads firmware to Emagic EMI 6|2m low latency USB
23 This driver loads firmware to Emagic EMI 2|6 low latency USB
/drivers/net/fddi/skfp/
H A Dsmt.c87 static void smt_fill_latency(struct s_smc *smc, struct smt_p_latency *latency);
1043 smt_fill_latency(smc,&sif->latency); /* set station latency */
1292 * fill values in latency equivalent parameter
1294 static void smt_fill_latency(struct s_smc *smc, struct smt_p_latency *latency) argument
1296 SMTSETPARA(latency,SMT_P_LATENCY) ;
1298 latency->lt_phyout_idx1 = phy_index(smc,0) ;
1299 latency->lt_latency1 = 10 ; /* in octets (byte clock) */
1301 * note: latency has two phy entries by definition
1305 latency
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/drivers/usb/serial/
H A Dftdi_sio.c77 unsigned int latency; /* latency setting in use */ member in struct:ftdi_private
1371 int l = priv->latency;
1376 dev_dbg(&port->dev, "%s: setting latency timer = %i\n", __func__, l);
1385 dev_err(&port->dev, "Unable to write latency timer: %i\n", rv);
1407 dev_err(&port->dev, "Unable to read latency timer: %i\n", rv);
1409 priv->latency = buf[0];
1644 return sprintf(buf, "%i\n", priv->latency);
1647 /* Write a new value of the latency timer, in units of milliseconds. */
1657 priv->latency
1826 int latency = ndi_latency_timer; local
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/drivers/media/pci/saa7134/
H A Dsaa7134-core.c63 static unsigned int latency = UNSET; variable
64 module_param(latency, int, 0444);
65 MODULE_PARM_DESC(latency,"pci latency timer");
915 printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
917 latency = 0x0A;
937 if (UNSET != latency) {
938 printk(KERN_INFO "%s: setting pci latency timer to %d\n",
939 dev->name,latency);
940 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
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/drivers/scsi/bfa/
H A Dbfa_core.c1614 attr->intr_attr.latency = iocfc->cfginfo->intr_attr.latency ?
1615 be16_to_cpu(iocfc->cfginfo->intr_attr.latency) :
1616 be16_to_cpu(iocfc->cfgrsp->intr_attr.latency);
1629 iocfc->cfginfo->intr_attr.latency = cpu_to_be16(attr->latency);
1642 m->latency = iocfc->cfginfo->intr_attr.latency;
1645 bfa_trc(bfa, attr->latency);
/drivers/acpi/
H A Dprocessor_idle.c288 pr->power.states[ACPI_STATE_C2].latency = acpi_gbl_FADT.c2_latency;
289 pr->power.states[ACPI_STATE_C3].latency = acpi_gbl_FADT.c3_latency;
292 * FADT specified C2 latency must be less than or equal to
297 "C2 latency too large [%d]\n", acpi_gbl_FADT.c2_latency));
303 * FADT supplied C3 latency must be less than or equal to
308 "C3 latency too large [%d]\n", acpi_gbl_FADT.c3_latency));
464 cx.latency = obj->integer.value;
562 * Normalize the C3 latency to expidite policy. Enable
982 state->exit_latency = cx->latency;
983 state->target_residency = cx->latency * latency_facto
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/drivers/i2c/busses/
H A Di2c-omap.c187 u32 latency; /* maximum mpu wkup latency */ member in struct:omap_i2c_dev
189 long latency);
501 /* calculate wakeup latency constraint for MPU */
503 dev->latency = (1000000 * dev->threshold) /
643 dev->set_mpu_wkup_lat(dev->dev, dev->latency);
1209 /* calculate wakeup latency constraint for MPU */
1211 dev->latency = (1000000 * dev->fifo_size) /
/drivers/xen/
H A Dxen-acpi-processor.c99 dst_cx->latency = cx->latency;
128 cx->type, cx->desc, (u32)cx->latency);
/drivers/tty/serial/
H A Domap-serial.c170 u32 latency; member in struct:uart_omap_port
847 pm_qos_update_request(&up->pm_qos_request, up->latency);
891 /* calculate wakeup latency constraint */
893 up->latency = up->calc_latency;
1712 up->latency = PM_QOS_CPU_DMA_LAT_DEFAULT_VALUE;
1715 PM_QOS_CPU_DMA_LATENCY, up->latency);
1854 up->latency = PM_QOS_CPU_DMA_LAT_DEFAULT_VALUE;
1875 up->latency = up->calc_latency;
/drivers/gpu/drm/i915/
H A Dintel_pm.c44 * among each other with the latency required to enter and leave RC6 and
52 * require higher latency to switch to and wake up.
813 const struct cxsr_latency *latency; local
820 latency = &cxsr_latency_table[i];
821 if (is_desktop == latency->is_desktop &&
822 is_ddr3 == latency->is_ddr3 &&
823 fsb == latency->fsb_freq && mem == latency->mem_freq)
824 return latency;
873 * platforms but not overly aggressive on lower latency config
1107 const struct cxsr_latency *latency; local
1882 ilk_wm_method1(uint32_t pixel_rate, uint8_t bytes_per_pixel, uint32_t latency) argument
1897 ilk_wm_method2(uint32_t pixel_rate, uint32_t pipe_htotal, uint32_t horiz_pixels, uint8_t bytes_per_pixel, uint32_t latency) argument
2296 unsigned int latency = wm[level]; local
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