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/linux/drivers/usb/gadget/function/
H A Du_eem.h1 /* SPDX-License-Identifier: GPL-2.0 */
19 * struct f_eem_opts - EEM function options
22 * @bound: True if the net_device is shared and pre-registered during the
23 * legacy composite driver's bind phase (e.g., multi.c). If false,
25 * bind phase.
27 * bound to, preventing double-registration of the @net device.
H A Du_gether.h1 /* SPDX-License-Identifier: GPL-2.0 */
19 * struct f_gether_opts - subset function options
22 * @bound: True if the net_device is shared and pre-registered during the
23 * legacy composite driver's bind phase (e.g., multi.c). If false,
25 * bind phase.
27 * bound to, preventing double-registration of the @net device.
H A Du_ecm.h1 /* SPDX-License-Identifier: GPL-2.0 */
19 * struct f_ecm_opts - ECM function options
22 * @bound: True if the net_device is shared and pre-registered during the
23 * legacy composite driver's bind phase (e.g., multi.c). If false,
25 * bind phase.
27 * bound to, preventing double-registration of the @net device.
H A Du_rndis.h1 /* SPDX-License-Identifier: GPL-2.0 */
19 * struct f_rndis_opts - RNDIS function options
25 * bound to, preventing double-registration of the @net device.
26 * @borrowed_net: True if the net_device is shared and pre-registered during
27 * the legacy composite driver's bind phase (e.g., multi.c).
29 * during its own bind phase.
/linux/drivers/ptp/
H A Dptp_idt82p33.h1 /* SPDX-License-Identifier: GPL-2.0+ */
46 * @brief Maximum absolute value for write phase offset in nanoseconds
50 /** @brief Phase offset resolution
52 * DPLL phase offset = 10^15 fs / ( System Clock * 2^13)
64 /* Workaround for TOD-to-output alignment issue */
67 /* double dco mode */
/linux/drivers/block/
H A 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>
39 #define DRIVER_VERSION "Version 0.2 (2008-10-30)"
41 #define REG(x) unsigned char x, x ## _pad[0x200 - 1];
63 #define swim_write(base, reg, v) out_8(&(base)->write_##reg, (v))
64 #define swim_read(base, reg) in_8(&(base)->read_##reg)
87 #define iwm_write(base, reg, v) out_8(&(base)->reg, (v))
88 #define iwm_read(base, reg) in_8(&(base)->reg)
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/linux/drivers/mmc/host/
H A Ddw_mmc-rockchip.c1 // SPDX-License-Identifier: GPL-2.0-or-later
12 #include <linux/mmc/slot-gpio.h>
17 #include "dw_mmc-pltfm.h"
44 * Each fine delay is between 44ps-77ps. Assume each fine delay is 60ps to
49 unsigned long rate = clk_get_rate(host->ciu_clk) / RK3288_CLKGEN_DIV; in rockchip_mmc_get_internal_phase()
54 /* Constant signal, no measurable phase shift */ in rockchip_mmc_get_internal_phase()
81 struct dw_mci_rockchip_priv_data *priv = host->priv; in rockchip_mmc_get_phase()
82 struct clk *clock = sample ? priv->sample_clk : priv->drv_clk; in rockchip_mmc_get_phase()
84 if (priv->internal_phase) in rockchip_mmc_get_phase()
92 unsigned long rate = clk_get_rate(host->ciu_clk) / RK3288_CLKGEN_DIV; in rockchip_mmc_set_internal_phase()
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/linux/tools/mm/
H A Dthp_swap_allocator_test.c1 // SPDX-License-Identifier: GPL-2.0-or-later
10 * can be enabled by "-s".
15 * echo never > /sys/kernel/mm/transparent_hugepage/hugepages-2048kB/enabled
16 * echo always > /sys/kernel/mm/transparent_hugepage/hugepages-64kB/enabled
20 * w/o "-s".
22 * Author(s): Barry Song <v-songbaohu
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/linux/arch/parisc/math-emu/
H A 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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H A 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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H A 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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/linux/drivers/mtd/spi-nor/
H A Dsfdp.h1 /* SPDX-License-Identifier: GPL-2.0 */
17 #define SFDP_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/tools/testing/selftests/ptp/
H A 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 * NSEC_PER_SEC + 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 " -E val enable rising (1), falling (2), or both (3) edges\n" in usage()
124 " -f val adjust the ptp clock frequency by 'val' ppb\n" in usage()
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/linux/Documentation/devicetree/bindings/mmc/
H A Dmmc-controller-common.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/mmc/mmc-controller-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Ulf Hansson <ulf.hansson@linaro.org>
14 possible slots or ports for multi-slot controllers.
17 "#address-cells":
22 "#size-cells":
29 broken-cd:
34 cd-gpios:
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/linux/tools/testing/selftests/net/
H A Dsrv6_end_next_csid_l3vpn_test.sh2 # SPDX-License-Identifier: GPL-2.0
6 # This script is designed for testing the support of NEXT-C-SID flavor for SRv6
12 # two hosts and four routers. Hosts hs-1 and hs-2 are connected through an
13 # IPv4/IPv6 L3 VPN service, offered by routers rt-1, rt-2, rt-3 and rt-4 using
14 # the NEXT-C-SID flavor. The key components for such VPNs are:
22 # iii) The NEXT-C-SID mechanism [2] offers the possibility of encoding several
23 # SRv6 segments within a single 128-bit SID address, referred to as a
24 # Compressed SID (C-SID) container. In this way, the length of the SID
26 # The NEXT-C-SID is provided as a "flavor" of the SRv6 End behavior
27 # which advances the current C-SID (i.e. the Locator-Node Function defined
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H A Dsrv6_end_x_next_csid_l3vpn_test.sh2 # SPDX-License-Identifier: GPL-2.0
7 # This script is designed for testing the support of NEXT-C-SID flavor for SRv6
13 # two hosts and four routers. Hosts hs-1 and hs-2 are connected through an
14 # IPv4/IPv6 L3 VPN service, offered by routers rt-1, rt-2, rt-3 and rt-4 using
15 # the NEXT-C-SID flavor. The key components for such VPNs are:
24 # iii) The NEXT-C-SID mechanism [2] offers the possibility of encoding several
25 # SRv6 segments within a single 128-bit SID address, referred to as a
26 # Compressed SID (C-SID) container. In this way, the length of the SID
28 # The NEXT-C-SID is provided as a "flavor" of the SRv6 End.X behavior
29 # which advances the current C-SID (i.e. the Locator-Node Function defined
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/linux/Documentation/sound/cards/
H A 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/Documentation/admin-guide/media/
H A 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/Documentation/RCU/Design/Memory-Ordering/
H A 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/tools/perf/pmu-events/arch/powerpc/power9/
H A 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/drivers/usb/gadget/udc/
H A Drenesas_usbf.c1 // SPDX-License-Identifier: GPL-2.0
10 #include <linux/dma-mapping.h>
131 /* EPn registers offsets from Base + USBF_BASE_EPN(n-1). n=1..15 */
209 /* AHB-EPC Bridge registers */
244 /* EPn DMA registers offsets from Base USBF_BASE_DMA_EPN(n-1). n=1..15*/
339 * datasheet. The buffer type (single/double) and the endpoint type cannot
345 [0] = USBF_EP_INFO("ep0-ctrl",
349 /* ep1: buf @0x0020, 2 buffers 512 bytes -> (512 * 2 / 4) words */
350 [1] = USBF_EP_INFO("ep1-bulk",
354 /* ep2: buf @0x0120, 2 buffers 512 bytes -> (512 * 2 / 4) words */
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/linux/drivers/gpu/drm/vc4/
H A Dvc4_plane.c1 // SPDX-License-Identifier: GPL-2.0-only
277 return state->fb && !WARN_ON(!state->crtc); in plane_enabled()
282 struct vc4_dev *vc4 = to_vc4_dev(plane->dev); in vc4_plane_duplicate_state()
283 struct vc4_hvs *hvs = vc4->hvs; in vc4_plane_duplicate_state()
287 if (WARN_ON(!plane->state)) in vc4_plane_duplicate_state()
290 vc4_state = kmemdup(plane->state, sizeof(*vc4_state), GFP_KERNEL); in vc4_plane_duplicate_state()
294 memset(&vc4_state->lbm, 0, sizeof(vc4_state->lbm)); in vc4_plane_duplicate_state()
297 if (vc4_state->upm_handle[i]) in vc4_plane_duplicate_state()
298 refcount_inc(&hvs->upm_refcounts[vc4_state->upm_handle[i]].refcount); in vc4_plane_duplicate_state()
301 vc4_state->dlist_initialized = 0; in vc4_plane_duplicate_state()
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/linux/drivers/net/wan/
H A 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/sound/firewire/
H A 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"
83 * amdtp_stream_init - initialize an AMDTP stream structure
87 * @flags: the details of the streaming protocol consist of cip_flags enumeration-constants.
99 return -EINVAL; in amdtp_stream_init()
101 s->protocol = kzalloc(protocol_size, GFP_KERNEL); in amdtp_stream_init()
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/linux/tools/perf/Documentation/
H A Dperf-c2c.txt1 perf-c2c(1)
5 ----
6 perf-c2c - Shared Data C2C/HITM Analyzer.
9 --------
12 'perf c2c record' [<options>] \-- [<record command options>] <command>
16 -----------
27 required. See linkperf:perf-arm-spe[1] for a setup guide. Due to the
32 - memory address of the access
33 - type of the access (load and store details)
34 - latency (in cycles) of the load access
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