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/linux/Documentation/devicetree/bindings/mmc/
H A 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:
40 There is no card detection available; polling must be used.
42 cd-gpios:
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/linux/drivers/video/fbdev/omap2/omapfb/dss/
H A Dhdmi_wp.c1 // SPDX-License-Identifier: GPL-2.0-only
21 void hdmi_wp_dump(struct hdmi_wp_data *wp, struct seq_file *s) in hdmi_wp_dump() argument
23 #define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, hdmi_read_reg(wp->base, r)) in hdmi_wp_dump()
45 u32 hdmi_wp_get_irqstatus(struct hdmi_wp_data *wp) in hdmi_wp_get_irqstatus() argument
47 return hdmi_read_reg(wp->base, HDMI_WP_IRQSTATUS); in hdmi_wp_get_irqstatus()
50 void hdmi_wp_set_irqstatus(struct hdmi_wp_data *wp, u32 irqstatus) in hdmi_wp_set_irqstatus() argument
52 hdmi_write_reg(wp->base, HDMI_WP_IRQSTATUS, irqstatus); in hdmi_wp_set_irqstatus()
54 hdmi_read_reg(wp->base, HDMI_WP_IRQSTATUS); in hdmi_wp_set_irqstatus()
57 void hdmi_wp_set_irqenable(struct hdmi_wp_data *wp, u32 mask) in hdmi_wp_set_irqenable() argument
59 hdmi_write_reg(wp->base, HDMI_WP_IRQENABLE_SET, mask); in hdmi_wp_set_irqenable()
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H A Dhdmi5.c1 // SPDX-License-Identifier: GPL-2.0-only
32 #include <sound/omap-hdmi-audio.h>
46 r = pm_runtime_resume_and_get(&hdmi.pdev->dev); in hdmi_runtime_get()
59 r = pm_runtime_put_sync(&hdmi.pdev->dev); in hdmi_runtime_put()
60 WARN_ON(r < 0 && r != -ENOSYS); in hdmi_runtime_put()
65 struct hdmi_wp_data *wp = data; in hdmi_irq_handler() local
68 irqstatus = hdmi_wp_get_irqstatus(wp); in hdmi_irq_handler()
69 hdmi_wp_set_irqstatus(wp, irqstatus); in hdmi_irq_handler()
81 hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_OFF); in hdmi_irq_handler()
93 hdmi_wp_set_irqstatus(wp, HDMI_IRQ_LINK_CONNECT | in hdmi_irq_handler()
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H A Dhdmi4.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com/
27 #include <sound/omap-hdmi-audio.h>
42 r = pm_runtime_resume_and_get(&hdmi.pdev->dev); in hdmi_runtime_get()
55 r = pm_runtime_put_sync(&hdmi.pdev->dev); in hdmi_runtime_put()
56 WARN_ON(r < 0 && r != -ENOSYS); in hdmi_runtime_put()
61 struct hdmi_wp_data *wp = data; in hdmi_irq_handler() local
64 irqstatus = hdmi_wp_get_irqstatus(wp); in hdmi_irq_handler()
65 hdmi_wp_set_irqstatus(wp, irqstatus); in hdmi_irq_handler()
75 hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_OFF); in hdmi_irq_handler()
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/linux/drivers/gpu/drm/omapdrm/dss/
H A Dhdmi_wp.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2013 Texas Instruments Incorporated - https://www.ti.com/
20 void hdmi_wp_dump(struct hdmi_wp_data *wp, struct seq_file *s) in hdmi_wp_dump() argument
22 #define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, hdmi_read_reg(wp->base, r)) in hdmi_wp_dump()
44 u32 hdmi_wp_get_irqstatus(struct hdmi_wp_data *wp) in hdmi_wp_get_irqstatus() argument
46 return hdmi_read_reg(wp->base, HDMI_WP_IRQSTATUS); in hdmi_wp_get_irqstatus()
49 void hdmi_wp_set_irqstatus(struct hdmi_wp_data *wp, u32 irqstatus) in hdmi_wp_set_irqstatus() argument
51 hdmi_write_reg(wp->base, HDMI_WP_IRQSTATUS, irqstatus); in hdmi_wp_set_irqstatus()
53 hdmi_read_reg(wp->base, HDMI_WP_IRQSTATUS); in hdmi_wp_set_irqstatus()
56 void hdmi_wp_set_irqenable(struct hdmi_wp_data *wp, u32 mask) in hdmi_wp_set_irqenable() argument
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H A Dhdmi5.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2014 Texas Instruments Incorporated - https://www.ti.com/
31 #include <sound/omap-hdmi-audio.h>
47 r = pm_runtime_get_sync(&hdmi->pdev->dev); in hdmi_runtime_get()
49 pm_runtime_put_noidle(&hdmi->pdev->dev); in hdmi_runtime_get()
61 r = pm_runtime_put_sync(&hdmi->pdev->dev); in hdmi_runtime_put()
62 WARN_ON(r < 0 && r != -ENOSYS); in hdmi_runtime_put()
68 struct hdmi_wp_data *wp = &hdmi->wp; in hdmi_irq_handler() local
71 irqstatus = hdmi_wp_get_irqstatus(wp); in hdmi_irq_handler()
72 hdmi_wp_set_irqstatus(wp, irqstatus); in hdmi_irq_handler()
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/linux/Documentation/devicetree/bindings/pinctrl/
H A Dmarvell,dove-pinctrl.txt3 Please refer to marvell,mvebu-pinctrl.txt in this directory for common binding
7 - compatible: "marvell,dove-pinctrl"
8 - clocks: (optional) phandle of pdma clock
9 - reg: register specifiers of MPP, MPP4, and PMU MPP registers
19 mpp1 1 gpio, pmu, uart2(cts), sdio0(wp), lcd1(pwm), pmu*
23 uart1(cts), lcd-spi(cs1), pmu*
25 mpp5 5 gpio, pmu, uart3(cts), sdio1(wp), spi1(cs), pmu*
31 mpp11 11 gpio, pmu, sata(prsnt), sata-1(act), sdio0(ledctrl),
35 mpp13 13 gpio, pmu, uart2(cts), audio1(extclk), sdio1(wp),
39 mpp16 16 gpio, uart3(rts), sdio0(cd), ac97(sdi1), lcd-spi(cs1)
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/linux/tools/testing/selftests/mm/
H A Duffd-unit-tests.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2015-2023 Red Hat, Inc.
8 #include <asm-generic/unistd.h>
9 #include "uffd-common.h"
26 ((__typeof__(x))((((unsigned long)(x)) + ((align_to)-1)) & ~((align_to)-1)))
50 .name = "shmem-private",
62 .name = "hugetlb-private",
189 map_shared = mem_type->shared; in uffd_setup_environment()
190 uffd_test_ops = mem_type->mem_ops; in uffd_setup_environment()
191 uffd_test_case_ops = test->test_case_ops; in uffd_setup_environment()
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/linux/fs/bcachefs/
H A Dio_write.c1 // SPDX-License-Identifier: GPL-2.0
29 #include "super-io.h"
43 ca->io_latency[rw].quantiles.entries[QUANTILE_IDX(1)].m; in bch2_congested_acct()
46 s64 latency_over = io_latency - latency_threshold; in bch2_congested_acct()
51 * latency_threshold - we don't need much accuracy here so don't in bch2_congested_acct()
54 if (atomic_read(&ca->congested) < CONGESTED_MAX) in bch2_congested_acct()
56 max_t(int, ilog2(latency_threshold) - 2, 0), in bch2_congested_acct()
57 &ca->congested); in bch2_congested_acct()
59 ca->congested_last = now; in bch2_congested_acct()
60 } else if (atomic_read(&ca->congested) > 0) { in bch2_congested_acct()
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H A Dalloc_foreground.c1 // SPDX-License-Identifier: GPL-2.0
58 * - They track buckets that have been partially allocated, allowing for
59 * sub-bucket sized allocations - they're used by the sector allocator below
61 * - They provide a reference to the buckets they own that mark and sweep GC
66 * with a reference to an open bucket - the caller is required to put that
74 memset(ca->alloc_cursor, 0, sizeof(ca->alloc_cursor)); in bch2_reset_alloc_cursors()
80 open_bucket_idx_t idx = ob - c->open_buckets; in bch2_open_bucket_hash_add()
81 open_bucket_idx_t *slot = open_bucket_hashslot(c, ob->dev, ob->bucket); in bch2_open_bucket_hash_add()
83 ob->hash = *slot; in bch2_open_bucket_hash_add()
89 open_bucket_idx_t idx = ob - c->open_buckets; in bch2_open_bucket_hash_remove()
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/linux/Documentation/virt/kvm/x86/
H A Dmmu.rst1 .. SPDX-License-Identifier: GPL-2.0
13 - correctness:
18 - security:
21 - performance:
23 - scaling:
25 - hardware:
27 - integration:
31 - dirty tracking:
33 and framebuffer-based displays
34 - footprint:
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/linux/arch/riscv/boot/dts/sophgo/
H A Dcv1812h-huashan-pi.dts1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
6 /dts-v1/;
12 compatible = "sophgo,huashan-pi", "sophgo,cv1812h";
27 stdout-path = "serial0:115200n8";
30 reserved-memory {
31 #address-cells = <1>;
32 #size-cells = <1>;
37 no-map;
43 clock-frequency = <25000000>;
48 bus-width = <4>;
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H A Dsg2042-milkv-pioneer.dts1 // SPDX-License-Identifier: GPL-2.0 OR MIT
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/input/input.h>
12 model = "Milk-V Pioneer";
16 stdout-path = "serial0";
19 gpio-power {
20 compatible = "gpio-keys";
22 key-power {
26 linux,input-type = <EV_KEY>;
27 debounce-interval = <100>;
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/linux/Documentation/devicetree/bindings/mtd/
H A Djedec,spi-nor.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/mtd/jedec,spi-nor.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rob Herring <robh@kernel.org>
13 - $ref: mtd.yaml#
14 - $ref: /schemas/spi/spi-peripheral-props.yaml#
19 - items:
20 - pattern: "^((((micron|spansion|st),)?\
33 - const: jedec,spi-nor
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/linux/arch/powerpc/math-emu/
H A Dmath_efp.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * arch/powerpc/math-emu/math_efp.c
5 * Copyright (C) 2006-2008, 2010 Freescale Semiconductor, Inc.
10 * Derived from arch/alpha/math-emu/math.c
11 * arch/powerpc/math-emu/math.c
15 * fully comply with IEEE-754 floating point standard.
26 #include <asm/sfp-machine.h>
28 #include <math-emu/soft-fp.h>
29 #include <math-emu/single.h>
30 #include <math-emu/double.h>
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/linux/Documentation/mhi/
H A Dmhi.rst1 .. SPDX-License-Identifier: GPL-2.0
26 ----
48 ---------------
74 --------
82 bidirectional data pipe, which can be used by the upper-layer protocols to
88 --------------
95 [Read Pointer (RP)] ----------->[Ring Element] } TD
96 [Write Pointer (WP)]- [Ring Element]
97 - [Ring Element]
98 --------->[Ring Element]
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/linux/arch/arm/kernel/
H A Dhw_breakpoint.c1 // SPDX-License-Identifier: GPL-2.0-only
10 * HW_breakpoint: a unified kernel/user-space hardware breakpoint facility,
13 #define pr_fmt(fmt) "hw-breakpoint: " fmt
151 /* We don't support the memory-mapped interface. */ in debug_arch_supported()
216 return core_has_mismatch_brps() ? brps - 1 : brps; in get_num_brps()
257 return -ENODEV; in enable_monitor_mode()
265 return -EPERM; in enable_monitor_mode()
293 * Check if 8-bit byte-address select is available.
333 addr = info->address; in arch_install_hw_breakpoint()
334 ctrl = encode_ctrl_reg(info->ctrl) | 0x1; in arch_install_hw_breakpoint()
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/linux/drivers/media/pci/saa7164/
H A Dsaa7164-core.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (c) 2010-2015 Steven Toth <stoth@kernellabs.com>
45 MODULE_PARM_DESC(encoder_buffers, "Total buffers in read queue 16-512 def:64");
49 MODULE_PARM_DESC(vbi_buffers, "Total buffers in read queue 16-512 def:64");
55 static unsigned int card[] = {[0 ... (SAA7164_MAXBOARDS - 1)] = UNSET };
86 u8 *p = (u8 *)buf->cpu; in saa7164_pack_verifier()
89 for (i = 0; i < buf->actual_size; i += 2048) { in saa7164_pack_verifier()
93 printk(KERN_ERR "No pack at 0x%x\n", i); in saa7164_pack_verifier()
107 struct saa7164_port *port = buf->port; in saa7164_ts_verifier()
111 u8 *bufcpu = (u8 *)buf->cpu; in saa7164_ts_verifier()
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/linux/drivers/gpu/drm/i915/display/
H A Dskl_watermark.c1 // SPDX-License-Identifier: MIT
81 i915->display.sagv.status != I915_SAGV_NOT_CONTROLLED; in intel_has_sagv()
97 ret = snb_pcode_read(&i915->uncore, in intel_sagv_block_time()
101 drm_dbg_kms(&i915->drm, "Couldn't read SAGV block time!\n"); in intel_sagv_block_time()
118 i915->display.sagv.status = I915_SAGV_NOT_CONTROLLED; in intel_sagv_init()
127 drm_WARN_ON(&i915->drm, i915->display.sagv.status == I915_SAGV_UNKNOWN); in intel_sagv_init()
129 i915->display.sagv.block_time_us = intel_sagv_block_time(i915); in intel_sagv_init()
131 drm_dbg_kms(&i915->drm, "SAGV supported: %s, original SAGV block time: %u us\n", in intel_sagv_init()
132 str_yes_no(intel_has_sagv(i915)), i915->display.sagv.block_time_us); in intel_sagv_init()
135 if (drm_WARN(&i915->drm, i915->display.sagv.block_time_us > U16_MAX, in intel_sagv_init()
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/linux/fs/btrfs/
H A Dzoned.c1 // SPDX-License-Identifier: GPL-2.0
12 #include "rcu-string.h"
13 #include "disk-io.h"
14 #include "block-group.h"
15 #include "dev-replace.h"
16 #include "space-info.h"
24 #define WP_MISSING_DEV ((u64)-1)
26 #define WP_CONVENTIONAL ((u64)-2)
31 * - primary superblock: 0B (zone 0)
32 * - first copy: 512G (zone starting at that offset)
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/linux/include/uapi/linux/
H A Dblkzoned.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
23 * enum blk_zone_type - Types of zones allowed in a zoned device.
25 * @BLK_ZONE_TYPE_CONVENTIONAL: The zone has no write pointer and can be writen
26 * randomly. Zone reset has no effect on the zone.
28 * @BLK_ZONE_TYPE_SEQWRITE_PREF: The zone can be written non-sequentially
39 * enum blk_zone_cond - Condition [state] of a zone in a zoned device.
41 * @BLK_ZONE_COND_NOT_WP: The zone has no write pointer, it is conventional.
49 * @BLK_ZONE_COND_READONLY: The zone is read-only.
54 * - ZC1: Empty | BLK_ZONE_COND_EMPTY
55 * - ZC2: Implicit Open | BLK_ZONE_COND_IMP_OPEN
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/linux/drivers/dma/qcom/
H A Dgpi.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
7 #include <dt-bindings/dma/qcom-gpi.h>
9 #include <linux/dma-mapping.h>
14 #include <linux/dma/qcom-gpi-dma.h>
18 #include "../virt-dma.h"
68 /* Register offsets from gpi-top */
181 /* GPII specific Global - Enable bit register */
186 /* GPII general interrupt - Enable bit register */
358 * @DISABLE_STATE: no register access allowed
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/linux/sound/hda/
H A Dhdac_bus.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * HD-audio core bus driver
24 * snd_hdac_bus_init - initialize a HD-audio bas bus
35 bus->dev = dev; in snd_hdac_bus_init()
37 bus->ops = ops; in snd_hdac_bus_init()
39 bus->ops = &default_ops; in snd_hdac_bus_init()
40 bus->dma_type = SNDRV_DMA_TYPE_DEV; in snd_hdac_bus_init()
41 INIT_LIST_HEAD(&bus->stream_list); in snd_hdac_bus_init()
42 INIT_LIST_HEAD(&bus->codec_list); in snd_hdac_bus_init()
43 INIT_WORK(&bus->unsol_work, snd_hdac_bus_process_unsol_events); in snd_hdac_bus_init()
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H A Dhdac_controller.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * HD-audio controller helpers
19 for (timeout = 1000; timeout > 0; timeout--) { in azx_clear_corbrp()
25 dev_err(bus->dev, "CORB reset timeout#1, CORBRP = %d\n", in azx_clear_corbrp()
29 for (timeout = 1000; timeout > 0; timeout--) { in azx_clear_corbrp()
35 dev_err(bus->dev, "CORB reset timeout#2, CORBRP = %d\n", in azx_clear_corbrp()
40 * snd_hdac_bus_init_cmd_io - set up CORB/RIRB buffers
41 * @bus: HD-audio core bus
45 WARN_ON_ONCE(!bus->rb.area); in snd_hdac_bus_init_cmd_io()
47 spin_lock_irq(&bus->reg_lock); in snd_hdac_bus_init_cmd_io()
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/linux/drivers/mmc/core/
H A Dhost.c1 // SPDX-License-Identifier: GPL-2.0-only
6 * Copyright (C) 2007-2008 Pierre Ossman
24 #include <linux/mmc/slot-gpio.h>
29 #include "slot-gpio.h"
46 if (!host->bus_ops) in mmc_host_class_prepare()
50 if (host->bus_ops->pre_suspend) in mmc_host_class_prepare()
51 return host->bus_ops->pre_suspend(host); in mmc_host_class_prepare()
76 wakeup_source_unregister(host->ws); in mmc_host_classdev_release()
77 if (of_alias_get_id(host->parent->of_node, "mmc") < 0) in mmc_host_classdev_release()
78 ida_free(&mmc_host_ida, host->index); in mmc_host_classdev_release()
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