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/linux/drivers/macintosh/
H A Dwindfarm_pid.c1 // SPDX-License-Identifier: GPL-2.0-only
28 st->param = *param; in wf_pid_init()
29 st->first = 1; in wf_pid_init()
37 int i, hlen = st->param.history_len; in wf_pid_run()
40 error = new_sample - st->param.itarget; in wf_pid_run()
43 if (st->first) { in wf_pid_run()
45 st->samples[i] = new_sample; in wf_pid_run()
46 st->errors[i] = error; in wf_pid_run()
48 st->first = 0; in wf_pid_run()
49 st->index = 0; in wf_pid_run()
[all …]
/linux/drivers/ptp/
H A Dptp_mock.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Mock-up PTP Hardware Clock driver for virtual network devices
15 /* Clamp scaled_ppm between -2,097,152,000 and 2,097,152,000,
16 * and thus "adj" between -68,719,476 and 68,719,476
29 * 64-bit overflow during the multiplication with cc->mult, given the max "adj"
52 s64 adj; in mock_phc_adjfine() local
54 adj = (s64)scaled_ppm << MOCK_PHC_FADJ_SHIFT; in mock_phc_adjfine()
55 adj = div_s64(adj, MOCK_PHC_FADJ_DENOMINATOR); in mock_phc_adjfine()
57 spin_lock(&phc->lock); in mock_phc_adjfine()
58 timecounter_read(&phc->tc); in mock_phc_adjfine()
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H A Dptp_qoriq.c1 // SPDX-License-Identifier: GPL-2.0-or-later
26 /* Caller must hold ptp_qoriq->lock. */
29 struct ptp_qoriq_registers *regs = &ptp_qoriq->regs; in tmr_cnt_read()
33 lo = ptp_qoriq->read(&regs->ctrl_regs->tmr_cnt_l); in tmr_cnt_read()
34 hi = ptp_qoriq->read(&regs->ctrl_regs->tmr_cnt_h); in tmr_cnt_read()
40 /* Caller must hold ptp_qoriq->lock. */
43 struct ptp_qoriq_registers *regs = &ptp_qoriq->regs; in tmr_cnt_write()
47 ptp_qoriq->write(&regs->ctrl_regs->tmr_cnt_l, lo); in tmr_cnt_write()
48 ptp_qoriq->write(&regs->ctrl_regs->tmr_cnt_h, hi); in tmr_cnt_write()
53 struct ptp_qoriq_registers *regs = &ptp_qoriq->regs; in tmr_offset_read()
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/linux/drivers/net/ethernet/marvell/octeontx2/af/
H A Dptp.c1 // SPDX-License-Identifier: GPL-2.0
67 #define is_rev_A0(ptp) (((ptp)->pdev->revision & 0x0F) == 0x0)
68 #define is_rev_A1(ptp) (((ptp)->pdev->revision & 0x0F) == 0x1)
82 return ptp->pdev->subsystem_device == PCI_SUBSYS_DEVID_CNF10K_A_PTP; in is_ptp_dev_cnf10ka()
87 return ptp->pdev->subsystem_device == PCI_SUBSYS_DEVID_CN10K_A_PTP; in is_ptp_dev_cn10ka()
101 struct ptp *ptp = rvu->ptp; in is_tstmp_atomic_update_supported()
124 delta_ns = ktime_to_ns(ktime_sub(curr_ts, ptp->last_ts)); in ptp_reset_thresh()
130 ptp_clock_hi = readq(ptp->reg_base + PTP_CLOCK_HI); in ptp_reset_thresh()
132 period_ns = ktime_set(0, (NSEC_PER_SEC + 100 - ptp_clock_hi)); in ptp_reset_thresh()
134 writeq(500000000, ptp->reg_base + PTP_PPS_THRESH_HI); in ptp_reset_thresh()
[all …]
/linux/drivers/gpu/drm/i915/gt/
H A Dintel_rps.c1 // SPDX-License-Identifier: MIT
43 return rps_to_gt(rps)->i915; in rps_to_i915()
48 return rps_to_gt(rps)->uncore; in rps_to_uncore()
55 return &gt_to_guc(gt)->slpc; in rps_to_slpc()
62 return intel_uc_uses_guc_slpc(&gt->uc); in rps_uses_slpc()
67 return mask & ~rps->pm_intrmsk_mbz; in rps_pm_sanitize_mask()
90 last = engine->stats.rps; in rps_timer()
91 engine->stats.rps = dt; in rps_timer()
99 last = rps->pm_timestamp; in rps_timer()
100 rps->pm_timestamp = timestamp; in rps_timer()
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/linux/drivers/net/ethernet/cadence/
H A Dmacb_ptp.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2017 Cadence Design Systems - https://www.cadence.com
26 #define GEM_PTP_TIMER_NAME "gem-ptp-timer"
31 if (bp->hw_dma_cap == HW_DMA_CAP_PTP) in macb_ptp_desc()
34 if (bp->hw_dma_cap == HW_DMA_CAP_64B_PTP) in macb_ptp_desc()
49 spin_lock_irqsave(&bp->tsu_clk_lock, flags); in gem_tsu_get_time()
59 /* if so, use later read & re-read seconds in gem_tsu_get_time()
63 ts->tv_nsec = gem_readl(bp, TN); in gem_tsu_get_time()
68 ts->tv_nsec = first; in gem_tsu_get_time()
71 spin_unlock_irqrestore(&bp->tsu_clk_lock, flags); in gem_tsu_get_time()
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/linux/drivers/block/drbd/
H A Ddrbd_vli.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 -*- linux-c -*-
7 Copyright (C) 2001-2008, LINBIT Information Technologies GmbH.
8 Copyright (C) 1999-2008, Philipp Reisner <philipp.reisner@linbit.com>.
9 Copyright (C) 2002-2008, Lars Ellenberg <lars.ellenberg@linbit.com>.
19 * and possibly small-bandwidth replication,
55 * * simple byte-based
79 prefix data bits max val Nº data bits
108 -+-----------------------------------------------------------------------
136 u64 adj = 1; in vli_decode_bits() local
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/linux/arch/x86/kernel/
H A Dtsc_sync.c1 // SPDX-License-Identifier: GPL-2.0
8 * print a warning if not and turn off the TSC clock-source.
10 * The warp-check is point-to-point between two CPUs, the CPU
14 * Only two CPUs may participate - they can enter in any order.
52 struct tsc_adjust *adj = this_cpu_ptr(&tsc_adjust); in tsc_verify_tsc_adjust() local
63 if (!resume && time_before(jiffies, adj->nextcheck)) in tsc_verify_tsc_adjust()
66 adj->nextcheck = jiffies + HZ; in tsc_verify_tsc_adjust()
69 if (adj->adjusted == curval) in tsc_verify_tsc_adjust()
73 wrmsrl(MSR_IA32_TSC_ADJUST, adj->adjusted); in tsc_verify_tsc_adjust()
75 if (!adj->warned || resume) { in tsc_verify_tsc_adjust()
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/linux/Documentation/devicetree/bindings/ptp/
H A Dfsl,ptp.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Frank Li <Frank.Li@nxp.com>
15 - enum:
16 - fsl,etsec-ptp
17 - fsl,fman-ptp-timer
18 - fsl,dpaa2-ptp
19 - items:
20 - const: pci1957,ee02
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/linux/drivers/net/ethernet/pensando/ionic/
H A Dionic_phc.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2017 - 2021 Pensando Systems, Inc */
24 return -ERANGE; in ionic_hwstamp_tx_mode()
70 struct ionic *ionic = lif->ionic; in ionic_lif_hwstamp_set_ts_config()
79 if (!lif->phc || !lif->phc->ptp) in ionic_lif_hwstamp_set_ts_config()
80 return -EOPNOTSUPP; in ionic_lif_hwstamp_set_ts_config()
82 mutex_lock(&lif->phc->config_lock); in ionic_lif_hwstamp_set_ts_config()
94 memcpy(config, &lif->phc->ts_config, sizeof(*config)); in ionic_lif_hwstamp_set_ts_config()
95 memset(&lif->phc->ts_config, 0, sizeof(lif->phc->ts_config)); in ionic_lif_hwstamp_set_ts_config()
96 lif->phc->ts_config_tx_mode = 0; in ionic_lif_hwstamp_set_ts_config()
[all …]
/linux/fs/xfs/libxfs/
H A Dxfs_rmap_btree.c1 // SPDX-License-Identifier: GPL-2.0
33 * This is a per-ag tree used to track the owner(s) of a given extent. With
59 return xfs_rmapbt_init_cursor(cur->bc_mp, cur->bc_tp, in xfs_rmapbt_dup_cursor()
60 cur->bc_ag.agbp, to_perag(cur->bc_group)); in xfs_rmapbt_dup_cursor()
69 struct xfs_buf *agbp = cur->bc_ag.agbp; in xfs_rmapbt_set_root()
70 struct xfs_agf *agf = agbp->b_addr; in xfs_rmapbt_set_root()
71 struct xfs_perag *pag = to_perag(cur->bc_group); in xfs_rmapbt_set_root()
73 ASSERT(ptr->s != 0); in xfs_rmapbt_set_root()
75 agf->agf_rmap_root = ptr->s; in xfs_rmapbt_set_root()
76 be32_add_cpu(&agf->agf_rmap_level, inc); in xfs_rmapbt_set_root()
[all …]
H A Dxfs_refcount.c1 // SPDX-License-Identifier: GPL-2.0+
37 XFS_REFCOUNT_ADJUST_DECREASE = -1,
39 XFS_REFCOUNT_ADJUST_COW_FREE = -1,
61 cur->bc_rec.rc.rc_startblock = bno; in xfs_refcount_lookup_le()
62 cur->bc_rec.rc.rc_blockcount = 0; in xfs_refcount_lookup_le()
63 cur->bc_rec.rc.rc_domain = domain; in xfs_refcount_lookup_le()
81 cur->bc_rec.rc.rc_startblock = bno; in xfs_refcount_lookup_ge()
82 cur->bc_rec.rc.rc_blockcount = 0; in xfs_refcount_lookup_ge()
83 cur->bc_rec.rc.rc_domain = domain; in xfs_refcount_lookup_ge()
101 cur->bc_rec.rc.rc_startblock = bno; in xfs_refcount_lookup_eq()
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H A Dxfs_trans_resv.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
59 * Per-extent log reservation for the btree changes involved in freeing or
64 * num trees * ((2 blocks/level * max depth) - 1)
66 * Keep in mind that max depth is calculated separately for each type of tree.
75 blocks = num_ops * 2 * (2 * mp->m_alloc_maxlevels - 1); in xfs_allocfree_block_count()
77 blocks += num_ops * (2 * mp->m_rmap_maxlevels - 1); in xfs_allocfree_block_count()
83 * Per-extent log reservation for refcount btree changes. These are never done
92 return num_ops * (2 * mp->m_refc_maxlevels - 1); in xfs_refcountbt_block_count()
100 return num_ops * (2 * mp->m_rtrefc_maxlevels - 1); in xfs_rtrefcountbt_block_count()
[all …]
H A Dxfs_rtrmap_btree.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (c) 2018-2024 Oracle. All Rights Reserved.
50 return xfs_rtrmapbt_init_cursor(cur->bc_tp, to_rtg(cur->bc_group)); in xfs_rtrmapbt_dup_cursor()
58 if (level == cur->bc_nlevels - 1) { in xfs_rtrmapbt_get_minrecs()
61 return xfs_rtrmapbt_maxrecs(cur->bc_mp, ifp->if_broot_bytes, in xfs_rtrmapbt_get_minrecs()
65 return cur->bc_mp->m_rtrmap_mnr[level != 0]; in xfs_rtrmapbt_get_minrecs()
73 if (level == cur->bc_nlevels - 1) { in xfs_rtrmapbt_get_maxrecs()
76 return xfs_rtrmapbt_maxrecs(cur->bc_mp, ifp->if_broot_bytes, in xfs_rtrmapbt_get_maxrecs()
80 return cur->bc_mp->m_rtrmap_mxr[level != 0]; in xfs_rtrmapbt_get_maxrecs()
89 blocklen -= sizeof(struct xfs_rtrmap_root); in xfs_rtrmapbt_droot_maxrecs()
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/linux/arch/powerpc/boot/dts/fsl/
H A Dbsc9131rdb.dtsi2 * BSC9131 RDB Device Tree Source stub (no addresses or top-level ranges)
4 * Copyright 2011-2012 Freescale Semiconductor Inc.
38 #address-cells = <1>;
39 #size-cells = <1>;
40 compatible = "fsl,ifc-nand";
54 #address-cells = <1>;
55 #size-cells = <1>;
56 compatible = "spansion,s25sl12801", "jedec,spi-nor";
58 spi-max-frequency = <50000000>;
68 phy0: ethernet-phy@0 {
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H A Dbsc9132qds.dtsi2 * BSC9132 QDS Device Tree Source stub (no addresses or top-level ranges)
37 #address-cells = <1>;
38 #size-cells = <1>;
39 compatible = "cfi-flash";
41 bank-width = <2>;
42 device-width = <1>;
46 #address-cells = <1>;
47 #size-cells = <1>;
48 compatible = "fsl,ifc-nand";
56 #address-cells = <1>;
[all …]
H A Dp1022ds.dtsi2 * P1022 DS Device Tree Source stub (no addresses or top-level ranges)
37 #address-cells = <1>;
38 #size-cells = <1>;
39 compatible = "cfi-flash";
41 bank-width = <2>;
42 device-width = <1>;
46 label = "ramdisk-nor";
47 read-only;
52 label = "diagnostic-nor";
53 read-only;
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H A Dp1010rdb.dtsi2 * P1010 RDB Device Tree Source stub (no addresses or top-level ranges)
37 #address-cells = <1>;
38 #size-cells = <1>;
39 compatible = "cfi-flash";
41 bank-width = <2>;
42 device-width = <1>;
64 /* 512KB for u-boot Bootloader Image */
65 /* 512KB for u-boot Environment Variables */
67 label = "NOR U-Boot Image";
68 read-only;
[all …]
H A Dp1020rdb-pd.dts2 * P1020 RDB-PD Device Tree Source (32-bit address map)
35 /include/ "p1020si-pre.dtsi"
37 model = "fsl,P1020RDB-PD";
38 compatible = "fsl,P1020RDB-PD";
54 #address-cells = <1>;
55 #size-cells = <1>;
56 compatible = "cfi-flash";
58 bank-width = <2>;
59 device-width = <1>;
83 label = "NOR Vitesse-7385 Firmware";
[all …]
H A Dp2020rdb-pc.dtsi2 * P2020 RDB-PC Device Tree Source stub (no addresses or top-level ranges)
37 #address-cells = <1>;
38 #size-cells = <1>;
39 compatible = "cfi-flash";
41 bank-width = <2>;
42 device-width = <1>;
48 label = "NOR Vitesse-7385 Firmware";
49 read-only;
72 /* 512KB for u-boot Bootloader Image */
73 /* 512KB for u-boot Environment Variables */
[all …]
H A Dp2020rdb.dts1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright 2009-2012 Freescale Semiconductor Inc.
8 /include/ "p2020si-pre.dtsi"
37 #address-cells = <1>;
38 #size-cells = <1>;
39 compatible = "cfi-flash";
41 bank-width = <2>;
42 device-width = <1>;
48 label = "NOR (RO) Vitesse-7385 Firmware";
49 read-only;
[all …]
H A Dp1021rdb-pc.dtsi2 * P1021 RDB Device Tree Source stub (no addresses or top-level ranges)
37 #address-cells = <1>;
38 #size-cells = <1>;
39 compatible = "cfi-flash";
41 bank-width = <2>;
42 device-width = <1>;
48 label = "NOR Vitesse-7385 Firmware";
49 read-only;
75 read-only;
80 /* 512KB for u-boot Bootloader Image */
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/linux/drivers/net/wireless/mediatek/mt76/mt7603/
H A Dmac.c1 // SPDX-License-Identifier: ISC
42 memset(dev->mphy.aggr_stats, 0, sizeof(dev->mphy.aggr_stats)); in mt7603_mac_reset_counters()
51 int offset = 3 * dev->coverage_class; in mt7603_mac_set_timing()
54 bool is_5ghz = dev->mphy.chandef.chan->band == NL80211_BAND_5GHZ; in mt7603_mac_set_timing()
73 FIELD_PREP(MT_IFS_SLOT, dev->slottime)); in mt7603_mac_set_timing()
75 if (dev->slottime < 20 || is_5ghz) in mt7603_mac_set_timing()
229 u32 addr = mt7603_wtbl1_addr(sta->wcid.idx); in mt7603_wtbl_set_smps()
231 if (sta->smps == enabled) in mt7603_wtbl_set_smps()
235 sta->smps = enabled; in mt7603_wtbl_set_smps()
241 int idx = sta->wcid.idx; in mt7603_wtbl_set_ps()
[all …]
/linux/drivers/gpu/drm/bridge/analogix/
H A Danx7625.c1 // SPDX-License-Identifier: GPL-2.0-only
35 #include <media/v4l2-fwnode.h>
36 #include <sound/hdmi-codec.h>
50 struct device *dev = &client->dev; in i2c_access_workaround()
53 if (client == ctx->last_client) in i2c_access_workaround()
56 ctx->last_client = client; in i2c_access_workaround()
58 if (client == ctx->i2c.tcpc_client) in i2c_access_workaround()
60 else if (client == ctx->i2c.tx_p0_client) in i2c_access_workaround()
62 else if (client == ctx->i2c.tx_p1_client) in i2c_access_workaround()
64 else if (client == ctx->i2c.rx_p0_client) in i2c_access_workaround()
[all …]
/linux/sound/usb/
H A Dpcm.c1 // SPDX-License-Identifier: GPL-2.0-or-later
11 #include <linux/usb/audio-v2.h>
40 if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) { in snd_usb_pcm_delay()
41 queued = bytes_to_frames(runtime, subs->inflight_bytes); in snd_usb_pcm_delay()
44 } else if (!subs->running) { in snd_usb_pcm_delay()
48 current_frame_number = usb_get_current_frame_number(subs->dev); in snd_usb_pcm_delay()
54 frame_diff = (current_frame_number - subs->last_frame_number) & 0xff; in snd_usb_pcm_delay()
58 est_delay = frame_diff * runtime->rate / 1000; in snd_usb_pcm_delay()
60 if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) { in snd_usb_pcm_delay()
61 est_delay = queued - est_delay; in snd_usb_pcm_delay()
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