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/Linux-v6.1/Documentation/devicetree/bindings/dma/
Dapple,admac.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
13 The controller has been seen with up to 24 channels. Even-numbered channels
14 are TX-only, odd-numbered are RX-only. Individual channels are coupled to
18 - Martin Povišer <povik+lin@cutebit.org>
21 - $ref: "dma-controller.yaml#"
26 - enum:
27 - apple,t6000-admac
28 - apple,t8103-admac
[all …]
/Linux-v6.1/Documentation/devicetree/bindings/display/bridge/
Dthine,thc63lvd1024.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jacopo Mondi <jacopo+renesas@jmondi.org>
11 - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
34 even-numbered pixels are received on port@0 and odd-numbered pixels on
60 - port@0
61 - port@2
63 oe-gpios:
67 powerdown-gpios:
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/Linux-v6.1/include/linux/
Dasn1_ber_bytecode.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
28 /* The tag-matching ops come first and the odd-numbered slots
66 /* The following eight have bit 0 -> SET, 1 -> OF, 2 -> ACT */
/Linux-v6.1/fs/ocfs2/cluster/
Dquorum.c1 // SPDX-License-Identifier: GPL-2.0-or-later
52 /* this is horribly heavy-handed. It should instead flip the file
60 switch (o2nm_single_cluster->cl_fence_method) { in o2quo_fence_self()
66 WARN_ON(o2nm_single_cluster->cl_fence_method >= in o2quo_fence_self()
96 spin_lock(&qs->qs_lock); in o2quo_make_decision()
98 lowest_hb = find_first_bit(qs->qs_hb_bm, O2NM_MAX_NODES); in o2quo_make_decision()
100 lowest_reachable = test_bit(lowest_hb, qs->qs_conn_bm); in o2quo_make_decision()
103 "lowest: %d (%sreachable)\n", qs->qs_heartbeating, in o2quo_make_decision()
104 qs->qs_connected, lowest_hb, lowest_reachable ? "" : "un"); in o2quo_make_decision()
106 if (!test_bit(o2nm_this_node(), qs->qs_hb_bm) || in o2quo_make_decision()
[all …]
/Linux-v6.1/drivers/net/ethernet/intel/fm10k/
Dfm10k_mbx.h1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright(c) 2013 - 2018 Intel Corporation. */
45 * +----------+ connect() +----------+
46 * | CLOSED | --------------> | CONNECT |
47 * +----------+ +----------+
54 * +----------+ disconnect() +----------+
55 * |DISCONNECT| <-------------- | OPEN |
56 * +----------+ +----------+
90 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
92 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
[all …]
/Linux-v6.1/Documentation/RCU/
Dstallwarn.rst1 .. SPDX-License-Identifier: GPL-2.0
9 options that can be used to fine-tune the detector's operation. Finally,
20 - A CPU looping in an RCU read-side critical section.
22 - A CPU looping with interrupts disabled.
24 - A CPU looping with preemption disabled.
26 - A CPU looping with bottom halves disabled.
28 - For !CONFIG_PREEMPTION kernels, a CPU looping anywhere in the kernel
33 - Booting Linux using a console connection that is too slow to
34 keep up with the boot-time console-message rate. For example,
36 with boot-time message rates, and will frequently result in
[all …]
/Linux-v6.1/drivers/gpu/drm/tiny/
Drepaper.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * DRM driver for Pervasive Displays RePaper branded e-ink panels
5 * Copyright 2013-2017 Pervasive Displays, Inc.
51 enum repaper_stage { /* Image pixel -> Display pixel */
52 REPAPER_COMPENSATE, /* B -> W, W -> B (Current Image) */
53 REPAPER_WHITE, /* B -> N, W -> W (Current Image) */
54 REPAPER_INVERSE, /* B -> N, W -> B (New Image) */
55 REPAPER_NORMAL /* B -> B, W -> W (New Image) */
111 return -ENOMEM; in repaper_spi_transfer()
121 ret = -ENOMEM; in repaper_spi_transfer()
[all …]
/Linux-v6.1/arch/arm/probes/kprobes/
Dtest-core.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * arch/arm/kernel/kprobes-test.c
12 * supported instruction sets: ARM, 16-bit Thumb, and 32-bit Thumb. These tests
23 * The individual test cases are in kprobes-test-arm.c and kprobes-test-thumb.c
24 * which use the macros defined in kprobes-test.h. The rest of this
31 * -------------------
41 * post-handler of the test_before probe is used to modify the saved CPU
43 * pre-handler of the of the test_after probe saves a copy of the CPU
83 * (branch backwards). In these, the local variables numbered 1, 50, 2 and
87 * ---------
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/Linux-v6.1/drivers/media/usb/usbtv/
Dusbtv-video.c30 * Fushicai USBTV007 Audio-Video Grabber Driver
33 * http://www.fushicai.com/products_detail/&productId=d05449ee-b690-42f9-a661-aa7353894bed.html
42 * reverse-engineering activity
45 #include <media/v4l2-ioctl.h>
46 #include <media/videobuf2-v4l2.h>
76 usbtv->width = params->cap_width; in usbtv_configure_for_norm()
77 usbtv->height = params->cap_height; in usbtv_configure_for_norm()
78 usbtv->n_chunks = usbtv->width * usbtv->height in usbtv_configure_for_norm()
80 usbtv->norm = norm; in usbtv_configure_for_norm()
82 ret = -EINVAL; in usbtv_configure_for_norm()
[all …]
/Linux-v6.1/sound/soc/bcm/
Dbcm2835-i2s.c1 // SPDX-License-Identifier: GPL-2.0-only
23 * Copyright 2007-2010 Freescale Semiconductor, Inc.
130 unsigned int provider = dev->fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK; in bcm2835_i2s_start_clock()
132 if (dev->clk_prepared) in bcm2835_i2s_start_clock()
138 clk_prepare_enable(dev->clk); in bcm2835_i2s_start_clock()
139 dev->clk_prepared = true; in bcm2835_i2s_start_clock()
148 if (dev->clk_prepared) in bcm2835_i2s_stop_clock()
149 clk_disable_unprepare(dev->clk); in bcm2835_i2s_stop_clock()
150 dev->clk_prepared = false; in bcm2835_i2s_stop_clock()
171 regmap_read(dev->i2s_regmap, BCM2835_I2S_CS_A_REG, &csreg); in bcm2835_i2s_clear_fifos()
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/Linux-v6.1/arch/mips/cavium-octeon/executive/
Dcvmx-pko.c7 * Copyright (c) 2003-2008 Cavium Networks
14 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
34 #include <asm/octeon/cvmx-config.h>
35 #include <asm/octeon/cvmx-pko.h>
36 #include <asm/octeon/cvmx-helper.h>
64 return -1; in __cvmx_pko_int()
85 config.s.tail = (queue == (num_queues - 1)); in __cvmx_pko_iport_config()
95 (CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE - in __cvmx_pko_iport_config()
190 * Set the size of the PKO command buffers to an odd number of in cvmx_pko_initialize_global()
[all …]
/Linux-v6.1/drivers/clk/berlin/
Dberlin2-avpll.c1 // SPDX-License-Identifier: GPL-2.0
6 * Alexandre Belloni <alexandre.belloni@free-electrons.com>
8 #include <linux/clk-provider.h>
15 #include "berlin2-avpll.h"
19 * VCO with 8 channels each, channel 8 is the odd-one-out and does
22 * Unfortunately, its registers are not named but just numbered. To
118 reg = readl_relaxed(vco->base + VCO_CTRL0); in berlin2_avpll_vco_is_enabled()
119 if (vco->flags & BERLIN2_AVPLL_BIT_QUIRK) in berlin2_avpll_vco_is_enabled()
130 reg = readl_relaxed(vco->base + VCO_CTRL0); in berlin2_avpll_vco_enable()
131 if (vco->flags & BERLIN2_AVPLL_BIT_QUIRK) in berlin2_avpll_vco_enable()
[all …]
/Linux-v6.1/drivers/perf/
Dqcom_l3_pmu.c1 // SPDX-License-Identifier: GPL-2.0-only
11 * See Documentation/admin-guide/perf/qcom_l3_pmu.rst for more details.
13 * Copyright (c) 2015-2017, The Linux Foundation. All rights reserved.
132 * - config: bits 0-7: event type
138 return (event->attr.config) & L3_EVTYPE_MASK; in get_event_type()
143 return !!(event->attr.config & BIT_ULL(L3_EVENT_LC_BIT)); in event_uses_long_counter()
186 * counters. The PMU only supports chaining of adjacent even/odd pairs
187 * and for simplicity the driver always configures the odd counter to
188 * count the overflows of the lower-numbered even counter. Note that since
195 struct l3cache_pmu *l3pmu = to_l3cache_pmu(event->pmu); in qcom_l3_cache__64bit_counter_start()
[all …]
/Linux-v6.1/drivers/ata/
Dpata_artop.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * pata_artop.c - ARTOP ATA controller driver
9 * Copyright (C) 1999-2002 Andre Hedrick <andre@linux-ide.org>
11 * driver by Thibaut VARENE <varenet@parisc-linux.org>
43 * artop62x0_pre_reset - probe begin
57 struct ata_port *ap = link->ap; in artop62x0_pre_reset()
58 struct pci_dev *pdev = to_pci_dev(ap->host->dev); in artop62x0_pre_reset()
60 /* Odd numbered device ids are the units with enable bits. */ in artop62x0_pre_reset()
61 if ((pdev->device & 1) && in artop62x0_pre_reset()
62 !pci_test_config_bits(pdev, &artop_enable_bits[ap->port_no])) in artop62x0_pre_reset()
[all …]
/Linux-v6.1/lib/
Dasn1_decoder.c1 // SPDX-License-Identifier: GPL-2.0-or-later
66 if (unlikely(datalen - dp < 2)) { in asn1_find_indefinite_length()
78 if (--indef_level <= 0) { in asn1_find_indefinite_length()
79 *_len = dp - *_dp; in asn1_find_indefinite_length()
88 if (unlikely(datalen - dp < 2)) in asn1_find_indefinite_length()
107 n = len - 0x80; in asn1_find_indefinite_length()
108 if (unlikely(n > sizeof(len) - 1)) in asn1_find_indefinite_length()
110 if (unlikely(n > datalen - dp)) in asn1_find_indefinite_length()
113 for (; n > 0; n--) { in asn1_find_indefinite_length()
118 if (len > datalen - dp) in asn1_find_indefinite_length()
[all …]
/Linux-v6.1/Documentation/filesystems/
Dvfat.rst10 mount -t vfat /dev/fd0 /mnt
42 **-20**: If current process is in group of file's group ID,
45 **-2**: Other users can change timestamp.
69 There is also an option of doing UTF-8 translations
76 UTF-8 is the filesystem safe version of Unicode that
79 If 'uni_xlate' gets set, UTF-8 gets disabled.
156 cases in presence of DST - time stamps in a different DST
176 FAT has the ATTR_RO (read-only) attribute. On Windows,
181 If you want to use ATTR_RO as read-only flag even for
184 **errors=panic|continue|remount-ro**
[all …]
/Linux-v6.1/drivers/net/ethernet/aquantia/atlantic/macsec/
Dmacsec_api.c1 // SPDX-License-Identifier: GPL-2.0-only
46 return (*data != 0xffff) ? 0 : -ETIME; in aq_mss_mdio_read()
118 * packed_record - [OUT] The table row data (raw).
269 return -EINVAL; in set_ingress_prectlf_record()
273 packed_record[0] = rec->sa_da[0] & 0xFFFF; in set_ingress_prectlf_record()
274 packed_record[1] = (rec->sa_da[0] >> 16) & 0xFFFF; in set_ingress_prectlf_record()
275 packed_record[2] = rec->sa_da[1] & 0xFFFF; in set_ingress_prectlf_record()
276 packed_record[3] = rec->eth_type & 0xFFFF; in set_ingress_prectlf_record()
277 packed_record[4] = rec->match_mask & 0xFFFF; in set_ingress_prectlf_record()
278 packed_record[5] = rec->match_type & 0xF; in set_ingress_prectlf_record()
[all …]
/Linux-v6.1/arch/mips/kernel/
Dperf_event_mipsxx.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * Author: Deng-Cheng Zhu
29 #define MIPS_CPUID_TO_COUNTER_MASK (MIPS_TCS_PER_COUNTER - 1)
122 #define CNTR_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
159 /* 0: Not Loongson-3
160 * 1: Loongson-3A1000/3B1000/3B1500
161 * 2: Loongson-3A2000/3A3000
162 * 3: Loongson-3A4000+
325 cntr_mask = (hwc->event_base >> 10) & 0xffff; in mipsxx_pmu_alloc_counter()
327 cntr_mask = (hwc->event_base >> 8) & 0xffff; in mipsxx_pmu_alloc_counter()
[all …]
/Linux-v6.1/sound/soc/atmel/
Dmchp-i2s-mcc.c1 // SPDX-License-Identifier: GPL-2.0
3 // Driver for Microchip I2S Multi-channel controller
29 * ---- I2S Controller Register map ----
75 * ---- Control Register (Write-only) ----
86 * ---- Mode Register A (Read/Write) ----
135 /* Number of TDM Channels - 1 */
138 ((((ch) - 1) << 13) & MCHP_I2SMCC_MRA_NBCHAN_MASK)
169 * ---- Mode Register B (Read/Write) ----
183 (((fls(no_words) - 1) << 8) & MCHP_I2SMCC_MRB_DMACHUNK_MASK)
190 * ---- Status Registers (Read-only) ----
[all …]
/Linux-v6.1/drivers/scsi/isci/
Dinit.c7 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
20 * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
26 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
140 return snprintf(buf, PAGE_SIZE, "%d\n", ihost->id); in isci_show_id()
166 .this_id = -1,
201 /* ata recovery called from ata-eh */
223 * isci_register_sas_ha() - This method initializes various lldd
236 struct sas_ha_struct *sas_ha = &(isci_host->sas_ha); in isci_register_sas_ha()
240 sas_phys = devm_kcalloc(&isci_host->pdev->dev, in isci_register_sas_ha()
244 return -ENOMEM; in isci_register_sas_ha()
[all …]
/Linux-v6.1/Documentation/
Dmemory-barriers.txt19 documentation at tools/memory-model/. Nevertheless, even this memory
37 Note also that it is possible that a barrier may be a no-op for an
48 - Device operations.
49 - Guarantees.
53 - Varieties of memory barrier.
54 - What may not be assumed about memory barriers?
55 - Address-dependency barriers (historical).
56 - Control dependencies.
57 - SMP barrier pairing.
58 - Examples of memory barrier sequences.
[all …]
/Linux-v6.1/arch/x86/events/amd/
Dcore.c1 // SPDX-License-Identifier: GPL-2.0-only
51 [ C(RESULT_ACCESS) ] = -1,
52 [ C(RESULT_MISS) ] = -1,
93 [ C(RESULT_ACCESS) ] = -1,
94 [ C(RESULT_MISS) ] = -1,
97 [ C(RESULT_ACCESS) ] = -1,
98 [ C(RESULT_MISS) ] = -1,
107 [ C(RESULT_ACCESS) ] = -1,
108 [ C(RESULT_MISS) ] = -1,
111 [ C(RESULT_ACCESS) ] = -1,
[all …]
/Linux-v6.1/Documentation/process/
Dadding-syscalls.rst9 :ref:`Documentation/process/submitting-patches.rst <submittingpatches>`.
13 ------------------------
18 kernel, there are other possibilities -- choose what fits best for your
21 - If the operations involved can be made to look like a filesystem-like
26 - If the new functionality involves operations where the kernel notifies
30 - However, operations that don't map to
31 :manpage:`read(2)`/:manpage:`write(2)`-like operations
35 - If you're just exposing runtime system information, a new node in sysfs
41 - If the operation is specific to a particular file or file descriptor, then
47 - If the operation is specific to a particular task or process, then an
[all …]
/Linux-v6.1/drivers/usb/host/
Duhci-hcd.c1 // SPDX-License-Identifier: GPL-2.0
8 * (C) Copyright 1999-2002 Johannes Erdfelt, johannes@erdfelt.com
15 * support from usb-ohci.c by Adam Richter, adam@yggdrasil.com).
16 * (C) Copyright 1999 Gregory P. Smith (from usb-ohci.c)
17 * (C) Copyright 2004-2007 Alan Stern, stern@rowland.harvard.edu
40 #include <linux/dma-mapping.h>
50 #include "uhci-hcd.h"
105 * There's not much to be done about period-1 interrupts; they have in uhci_frame_skel_link()
106 * to occur in every frame. But we can schedule period-2 interrupts in uhci_frame_skel_link()
107 * in odd-numbered frames, period-4 interrupts in frames congruent in uhci_frame_skel_link()
[all …]
/Linux-v6.1/drivers/bus/mhi/ep/
Dmain.c1 // SPDX-License-Identifier: GPL-2.0
11 #include <linux/dma-direction.h>
31 struct device *dev = &mhi_cntrl->mhi_dev->dev; in mhi_ep_send_event()
36 mutex_lock(&mhi_cntrl->event_lock); in mhi_ep_send_event()
37 ring = &mhi_cntrl->mhi_event[ring_idx].ring; in mhi_ep_send_event()
38 ctx = (union mhi_ep_ring_ctx *)&mhi_cntrl->ev_ctx_cache[ring_idx]; in mhi_ep_send_event()
39 if (!ring->started) { in mhi_ep_send_event()
54 mutex_unlock(&mhi_cntrl->event_lock); in mhi_ep_send_event()
61 mhi_cntrl->raise_irq(mhi_cntrl, ring->irq_vector); in mhi_ep_send_event()
66 mutex_unlock(&mhi_cntrl->event_lock); in mhi_ep_send_event()
[all …]

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