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/Linux-v5.15/Documentation/devicetree/bindings/regulator/
Ddlg,da9121.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Adam Ward <Adam.Ward.opensource@diasemi.com>
13 Dialog Semiconductor DA9121 Single-channel 10A double-phase buck converter
14 Dialog Semiconductor DA9122 Double-channel 5A single-phase buck converter
15 Dialog Semiconductor DA9220 Double-channel 3A single-phase buck converter
16 Dialog Semiconductor DA9217 Single-channel 6A double-phase buck converter
17 Dialog Semiconductor DA9130 Single-channel 10A double-phase buck converter
18 Dialog Semiconductor DA9131 Double-channel 5A single-phase buck converter
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/Linux-v5.15/Documentation/devicetree/bindings/mmc/
Dexynos-dw-mshc.txt7 by synopsys-dw-mshc.txt and the properties used by the Samsung Exynos specific
13 - "samsung,exynos4210-dw-mshc": for controllers with Samsung Exynos4210
15 - "samsung,exynos4412-dw-mshc": for controllers with Samsung Exynos4412
17 - "samsung,exynos5250-dw-mshc": for controllers with Samsung Exynos5250
19 - "samsung,exynos5420-dw-mshc": for controllers with Samsung Exynos5420
21 - "samsung,exynos7-dw-mshc": for controllers with Samsung Exynos7
23 - "samsung,exynos7-dw-mshc-smu": for controllers with Samsung Exynos7
26 * samsung,dw-mshc-ciu-div: Specifies the divider value for the card interface
30 * samsung,dw-mshc-sdr-timing: Specifies the value of CIU clock phase shift value
31 in transmit mode and CIU clock phase shift value in receive mode for single
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Dmmc-controller.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/mmc/mmc-controller.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Ulf Hansson <ulf.hansson@linaro.org>
25 "#address-cells":
30 "#size-cells":
37 broken-cd:
42 cd-gpios:
47 non-removable:
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/Linux-v5.15/drivers/mmc/host/
Ddw_mmc-rockchip.c1 // SPDX-License-Identifier: GPL-2.0-or-later
11 #include <linux/mmc/slot-gpio.h>
16 #include "dw_mmc-pltfm.h"
29 struct dw_mci_rockchip_priv_data *priv = host->priv; in dw_mci_rk3288_set_ios()
34 if (ios->clock == 0) in dw_mci_rk3288_set_ios()
41 * ios->clock = (div == 0) ? bus_hz : (bus_hz / (2 * div)) in dw_mci_rk3288_set_ios()
44 * DDR52 8-bit mode. in dw_mci_rk3288_set_ios()
46 if (ios->bus_width == MMC_BUS_WIDTH_8 && in dw_mci_rk3288_set_ios()
47 ios->timing == MMC_TIMING_MMC_DDR52) in dw_mci_rk3288_set_ios()
48 cclkin = 2 * ios->clock * RK3288_CLKGEN_DIV; in dw_mci_rk3288_set_ios()
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Dsdhci-msm.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * drivers/mmc/host/sdhci-msm.c - Qualcomm SDHCI Platform driver
5 * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
21 #include "sdhci-pltfm.h"
120 #define INVALID_TUNING_PHASE -1
134 /* Max load for eMMC Vdd-io supply */
138 msm_host->var_ops->msm_readl_relaxed(host, offset)
141 msm_host->var_ops->msm_writel_relaxed(val, host, offset)
295 return msm_host->offset; in sdhci_priv_msm_offset()
308 return readl_relaxed(msm_host->core_mem + offset); in sdhci_msm_mci_variant_readl_relaxed()
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/Linux-v5.15/drivers/block/
Dswim.c1 // SPDX-License-Identifier: GPL-2.0-or-later
11 * 2004-08-21 (lv) - Initial implementation
12 * 2008-10-30 (lv) - Port to 2.6
18 #include <linux/blk-mq.h>
38 #define DRIVER_VERSION "Version 0.2 (2008-10-30)"
40 #define REG(x) unsigned char x, x ## _pad[0x200 - 1];
62 #define swim_write(base, reg, v) out_8(&(base)->write_##reg, (v))
63 #define swim_read(base, reg) in_8(&(base)->read_##reg)
86 #define iwm_write(base, reg, v) out_8(&(base)->reg, (v))
87 #define iwm_read(base, reg) in_8(&(base)->reg)
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/Linux-v5.15/drivers/mtd/spi-nor/
Dsfdp.h1 /* SPDX-License-Identifier: GPL-2.0 */
22 #define BFPT_DWORD(i) ((i) - 1)
57 * - 000b: Device does not have a QE bit. Device detects 1-1-4 and 1-4-4
59 * instruction phase.
60 * - 001b: QE is bit 1 of status register 2. It is set via Write Status with
63 * Writing only one byte to the status register has the side-effect of
67 * - 010b: QE is bit 6 of status register 1. It is set via Write Status with
70 * - 011b: QE is bit 7 of status register 2. It is set via Write status
74 * - 100b: QE is bit 1 of status register 2. It is set via Write Status with
79 * - 101b: QE is bit 1 of status register 2. Status register 1 is read using
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/Linux-v5.15/arch/parisc/math-emu/
Dfmpyfadd.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Linux/PA-RISC Project (http://www.parisc-linux.org/)
5 * Floating-point emulation code
6 * Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
15 * Double Floating-point Multiply Fused Add
16 * Double Floating-point Multiply Negate Fused Add
17 * Single Floating-point Multiply Fused Add
18 * Single Floating-point Multiply Negate Fused Add
41 * Double Floating-point Multiply Fused Add
77 mpy_exponent = Dbl_exponent(opnd1p1) + Dbl_exponent(opnd2p1) - DBL_BIAS; in dbl_fmpyfadd()
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Ddfadd.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Linux/PA-RISC Project (http://www.parisc-linux.org/)
5 * Floating-point emulation code
6 * Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
15 * Double_add: add two double precision values.
33 * Double_add: add two double precision values.
263 diff_exponent = result_exponent - right_exponent; in dbl_fadd()
286 * normalization phase. in dbl_fadd()
310 /* Must have been "x-x" or "x+(-x)". */ in dbl_fadd()
316 result_exponent--; in dbl_fadd()
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Ddfsub.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Linux/PA-RISC Project (http://www.parisc-linux.org/)
5 * Floating-point emulation code
6 * Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
15 * Double_subtract: subtract two double precision values.
33 * Double_subtract: subtract two double precision values.
266 diff_exponent = result_exponent - right_exponent; in dbl_fsub()
289 * normalization phase. in dbl_fsub()
313 /* Must have been "x-x" or "x+(-x)". */ in dbl_fsub()
319 result_exponent--; in dbl_fsub()
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/Linux-v5.15/tools/testing/selftests/ptp/
Dtestptp.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * PTP 1588 clock support - User space test program
35 #define CLOCK_INVALID -1
105 * we simply use double precision math, in order to avoid the in ppb_to_scaled_ppm()
113 return t->sec * 1000000000LL + t->nsec; in pctns()
120 " -c query the ptp clock's capabilities\n" in usage()
121 " -d name device to open\n" in usage()
122 " -e val read 'val' external time stamp events\n" in usage()
123 " -f val adjust the ptp clock frequency by 'val' ppb\n" in usage()
124 " -g get the ptp clock time\n" in usage()
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/Linux-v5.15/drivers/scsi/
Dmesh.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * SCSI low-level driver for the MESH (Macintosh Enhanced SCSI Hardware)
5 * We assume the MESH is connected to a DBDMA (descriptor-based DMA)
11 * Apr. 21 2002 - BenH Rework bus reset code for new error handler
15 * Sep. 27 2003 - BenH Move to new driver model, fix some write posting
18 * - handle aborts correctly
19 * - retry arbitration if lost (unless higher levels do this for us)
20 * - power down the chip when no device is detected
85 #define DEBUG_TARGET(cmd) ((cmd) && ALLOW_DEBUG((cmd)->device->id))
96 u8 phase; member
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/Linux-v5.15/drivers/atm/
Dambassador.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
4 Copyright (C) 1995-1999 Madge Networks Ltd.
53 /* the ## prevents the annoying double expansion of the macro arguments */
80 /* MUST be powers of two -- why ? */
209 // number of types of SRB MUST be a power of two -- why?
262 #define BAD_COMMAND (-1)
285 /* mailbox[1] = 0 in progress, -1 on completion */
286 /* mailbox[2] = current test 00 00 test(8 bit) phase(8 bit) */
287 /* mailbox[3] = last failure, 00 00 test(8 bit) phase(8 bit) */
399 have the top MS bit or'ed in. -- check this */
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/Linux-v5.15/Documentation/sound/cards/
Dcmipci.rst2 Brief Notes on C-Media 8338/8738/8768/8770 Driver
8 Front/Rear Multi-channel Playback
9 ---------------------------------
13 DACs, both streams are handled independently unlike the 4/6ch multi-
22 - The first DAC supports U8 and S16LE formats, while the second DAC
24 - The second DAC supports only two channel stereo.
44 on and "double DAC" mode. Actually I could hear separate 4 channels
51 control switch in the driver "Line-In As Rear", which you can change
52 via alsamixer or somewhat else. When this switch is on, line-in jack
60 4/6 Multi-Channel Playback
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/Linux-v5.15/Documentation/admin-guide/media/
Dphilips.rst1 .. SPDX-License-Identifier: GPL-2.0
7 E-mail: webcam@smcc.demon.nl Last updated: 2004-01-19
30 * Samsung MPC-C10
31 * Samsung MPC-C30
33 * AME CU-001
34 * Visionite VCS-UM100
35 * Visionite VCS-UC300
46 the latter, since it makes troubleshooting a lot easier. The built-in
50 camera; some programs depend on a particular image-size or -format and
60 Specifies the desired framerate. Is an integer in the range of 4-30.
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/Linux-v5.15/Documentation/RCU/Design/Memory-Ordering/
DTree-RCU-Memory-Ordering.rst2 A Tour Through TREE_RCU's Grace-Period Memory Ordering
13 grace-period memory ordering guarantee is provided.
18 RCU grace periods provide extremely strong memory-ordering guarantees
19 for non-idle non-offline code.
22 period that are within RCU read-side critical sections.
25 of that grace period that are within RCU read-side critical sections.
27 Note well that RCU-sched read-side critical sections include any region
30 an extremely small region of preemption-disabled code, one can think of
36 In the most common use case, phase one removes an element from
37 a linked RCU-protected data structure, and phase two frees that element.
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/Linux-v5.15/tools/perf/pmu-events/arch/powerpc/power9/
Dother.json65 "BriefDescription": "Read-write data cache collisions"
90 "BriefDescription": "D-cache invalidates sent over the reload bus to the core"
200 "BriefDescription": "Read-write data cache collisions"
210 …phase by either the hardware prefetch mechanism or software prefetch. The sum of this pair subtrac…
280 …double-word boundary, which causes it to require an additional slice than than what normally would…
300 "BriefDescription": "I-cache Invalidates sent over the realod bus to the core"
395 …double-word boundary, which causes it to require an additional slice than than what normally would…
430 "BriefDescription": "TM Load (fav or non-fav) ran into conflict (failed)"
450 …"BriefDescription": "A TM-ineligible instruction tries to execute inside a transaction and the LSU…
455 "BriefDescription": "D-side L2 MRU touch commands sent to the L2"
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/Linux-v5.15/sound/firewire/
Damdtp-stream.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Audio and Music Data Transmission Protocol (IEC 61883-6) streams
4 * with Common Isochronous Packet (IEC 61883-1) headers
12 #include <linux/firewire-constants.h>
17 #include "amdtp-stream.h"
27 #include "amdtp-stream-trace.h"
81 * amdtp_stream_init - initialize an AMDTP stream structure
85 * @flags: the details of the streaming protocol consist of cip_flags enumeration-constants.
97 return -EINVAL; in amdtp_stream_init()
99 s->protocol = kzalloc(protocol_size, GFP_KERNEL); in amdtp_stream_init()
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/Linux-v5.15/drivers/net/wan/
Dfarsync.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
5 * Actually sync driver for X.21, V.35 and V.24 on FarSync T-series cards
23 * used with the FarSite T-Series cards (T2P & T4P) running in the high
30 * purpose (FarSite T-series).
117 unsigned char structure; /* unframed, double, crc4, f4, f12, */
121 unsigned char lineBuildOut; /* 0, -7.5, -15, -22 */
158 #define FSTVAL_PHASE 0x00000800 /* Clock phase */
/Linux-v5.15/fs/f2fs/
Dgc.c1 // SPDX-License-Identifier: GPL-2.0
10 #include <linux/backing-dev.h>
33 struct f2fs_gc_kthread *gc_th = sbi->gc_thread; in gc_thread_func()
34 wait_queue_head_t *wq = &sbi->gc_thread->gc_wait_queue_head; in gc_thread_func()
35 wait_queue_head_t *fggc_wq = &sbi->gc_thread->fggc_wq; in gc_thread_func()
38 wait_ms = gc_th->min_sleep_time; in gc_thread_func()
47 gc_th->gc_wake, in gc_thread_func()
54 if (gc_th->gc_wake) in gc_thread_func()
55 gc_th->gc_wake = 0; in gc_thread_func()
64 if (sbi->sb->s_writers.frozen >= SB_FREEZE_WRITE) { in gc_thread_func()
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/Linux-v5.15/drivers/gpu/drm/arm/display/komeda/
Dkomeda_crtc.c1 // SPDX-License-Identifier: GPL-2.0
29 for_each_new_connector_in_state(crtc_st->state, conn, conn_st, i) { in komeda_crtc_get_color_config()
30 if (conn_st->crtc != crtc_st->crtc) in komeda_crtc_get_color_config()
33 conn_bpc = conn->display_info.bpc ? conn->display_info.bpc : 8; in komeda_crtc_get_color_config()
34 conn_color_formats &= conn->display_info.color_formats; in komeda_crtc_get_color_config()
52 if (!kcrtc_st->base.active) { in komeda_crtc_update_clock_ratio()
53 kcrtc_st->clock_ratio = 0; in komeda_crtc_update_clock_ratio()
57 pxlclk = kcrtc_st->base.adjusted_mode.crtc_clock * 1000ULL; in komeda_crtc_update_clock_ratio()
60 kcrtc_st->clock_ratio = div64_u64(aclk << 32, pxlclk); in komeda_crtc_update_clock_ratio()
64 * komeda_crtc_atomic_check - build display output data flow
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/Linux-v5.15/drivers/usb/dwc2/
Dcore.h1 /* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
3 * core.h - DesignWare HS OTG Controller common declarations
5 * Copyright (C) 2004-2013 Synopsys, Inc.
16 * 3. The names of the above-listed copyright holders may not be used
51 * - no_printk: Disable tracing
52 * - pr_info: Print this info to the console
53 * - trace_printk: Print this info to trace buffer (good for verbose logging)
62 dev_name(hsotg->dev), ##__VA_ARGS__)
67 dev_name(hsotg->dev), ##__VA_ARGS__)
72 /* dwc2-hsotg declarations */
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/Linux-v5.15/drivers/video/fbdev/
Dcyber2000fb.h1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 1998-2000 Russell King
80 #define PCI_BM_CTL_ENABLE 0x01 /* enable bus-master */
248 #define EXT_SRC_WIDTH 0xc3 /* ext offset phase 10 bits */
250 #define EXT_X_START 0xc5 /* ext->screen, 16 bits */
251 #define EXT_X_END 0xc7 /* ext->screen, 16 bits */
252 #define EXT_Y_START 0xc9 /* ext->screen, 16 bits */
253 #define EXT_Y_END 0xcb /* ext->screen, 16 bits */
256 #define EXT_DDA_X_INIT 0xd1 /* ext->screen 16 bits */
257 #define EXT_DDA_X_INC 0xd3 /* ext->screen 16 bits */
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/Linux-v5.15/drivers/scsi/aic7xxx/
Daic7xxx.h4 * Copyright (c) 1994-2001 Justin T. Gibbs.
5 * Copyright (c) 2000-2001 Adaptec Inc.
19 * 3. Neither the names of the above-listed copyright holders nor the names
69 (((scsiid) & ((((ahc)->features & AHC_TWIN) != 0) ? TWIN_TID : TID)) \
74 ((((ahc)->features & AHC_TWIN) != 0) \
78 (SCSIID_CHANNEL(ahc, (scb)->hscb->scsiid) == 'B')
80 SCSIID_OUR_ID((scb)->hscb->scsiid)
82 SCSIID_TARGET((ahc), (scb)->hscb->scsiid)
84 SCSIID_CHANNEL(ahc, (scb)->hscb->scsiid)
86 ((scb)->hscb->lun & LID)
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/Linux-v5.15/net/ipv4/
Dtcp_bbr.c21 * +---> STARTUP ----+
24 * | DRAIN ----+
27 * +---> PROBE_BW ----+
30 * | +----+ |
32 * +---- PROBE_RTT <--+
37 * A long-lived BBR flow spends the vast majority of its time remaining
42 * it briefly enters PROBE_RTT to cut inflight to a minimum value to re-probe
43 * the path's two-way propagation delay (min_rtt). When exiting PROBE_RTT, if
48 * "BBR: Congestion-Based Congestion Control",
50 * Van Jacobson. ACM Queue, Vol. 14 No. 5, September-October 2016.
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