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/linux/drivers/xen/xenbus/
H A Dxenbus_xs.c110 xs_suspend_active--; in xs_suspend_exit()
125 req->type = req->msg.type; in xs_request_enter()
135 if (req->type == XS_TRANSACTION_START && !req->user_req) in xs_request_enter()
148 xs_state_users--; in xs_request_exit()
149 if ((req->type == XS_TRANSACTION_START && req->msg.type == XS_ERROR) || in xs_request_exit()
150 (req->type == XS_TRANSACTION_END && !req->user_req && in xs_request_exit()
151 !WARN_ON_ONCE(req->msg.type == XS_ERROR && in xs_request_exit()
152 !strcmp(req->body, "ENOENT")))) in xs_request_exit()
153 xs_state_users--; in xs_request_exit()
165 if (i == ARRAY_SIZE(xsd_errors) - 1) { in get_error()
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/linux/sound/core/
H A Dinfo_oss.c1 // SPDX-License-Identifier: GPL-2.0-or-later
21 static DEFINE_MUTEX(strings);
24 int snd_oss_info_register(int dev, int num, char *string) in snd_oss_info_register() argument
29 return -ENXIO; in snd_oss_info_register()
30 if (snd_BUG_ON(num < 0 || num >= SNDRV_CARDS)) in snd_oss_info_register()
31 return -ENXIO; in snd_oss_info_register()
32 guard(mutex)(&strings); in snd_oss_info_register()
34 x = snd_sndstat_strings[num][dev]; in snd_oss_info_register()
40 return -ENOMEM; in snd_oss_info_register()
42 snd_sndstat_strings[num][dev] = x; in snd_oss_info_register()
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/linux/lib/
H A Dstring_helpers.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Helpers for formatting and printing strings
23 #include <kunit/test-bug.h>
26 * string_get_size - get the size in the specified units
120 remainder -= 1000; in string_get_size()
148 return -ENOENT; in parse_int_array()
152 return -ENOMEM; in parse_int_array()
162 * parse_int_array_user - Split string into a sequence of integers
220 u8 num; in unescape_octal() local
225 num = (*q++) & 7; in unescape_octal()
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/linux/tools/testing/selftests/mm/
H A Dthp_settings.c1 // SPDX-License-Identifier: GPL-2.0
53 if (fd == -1) in read_file()
56 numread = read(fd, buf, buflen - 1); in read_file()
80 void write_num(const char *path, unsigned long num) in write_file()
84 sprintf(buf, "%ld", num); in write_file()
88 int thp_read_string(const char *name, const char * const strings[]) in write_file()
113 memmove(buf, c, sizeof(buf) - (c - bu argument
102 write_num(const char * path,unsigned long num) write_num() argument
188 thp_write_num(const char * name,unsigned long num) thp_write_num() argument
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H A Dthp_settings.h1 /* SPDX-License-Identifier: GPL-2.0 */
67 void write_num(const char *path, unsigned long num);
69 int thp_read_string(const char *name, const char * const strings[]);
72 void thp_write_num(const char *name, unsigned long num);
/linux/drivers/usb/gadget/function/
H A Df_loopback.c1 // SPDX-License-Identifier: GPL-2.0+
3 * f_loopback.c - USB peripheral loopback configuration driver
5 * Copyright (C) 2003-2008 David Brownell
43 /*-------------------------------------------------------------------------*/
147 /* function-specific strings: */
155 .language = 0x0409, /* en-us */
156 .strings = strings_loopback,
164 /*-------------------------------------------------------------------------*/
168 struct usb_composite_dev *cdev = c->cdev; in loopback_bind()
187 loop->in_ep = usb_ep_autoconfig(cdev->gadget, &fs_loop_source_desc); in loopback_bind()
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H A Duvc_configfs.c1 // SPDX-License-Identifier: GPL-2.0
20 /* -----------------------------------------------------------------------------
49 return li < ri ? -1 : li == ri ? 0 : 1; in uvcg_config_compare_u32()
60 unsigned int num; in __uvcg_fill_item_entries() local
64 ret = kstrtouint(buf, 0, &num); in __uvcg_fill_item_entries()
68 if (num != (num & GENMASK((size * 8) - 1, 0))) in __uvcg_fill_item_entries()
69 return -ERANGE; in __uvcg_fill_item_entries()
72 memcpy(*values, &num, size); in __uvcg_fill_item_entries()
89 return -EINVAL; in __uvcg_iter_item_entries()
93 return -ENOMEM; in __uvcg_iter_item_entries()
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H A Df_sourcesink.c1 // SPDX-License-Identifier: GPL-2.0+
3 * f_sourcesink.c - USB peripheral source/sink configuration driver
5 * Copyright (C) 2003-2008 David Brownell
30 * plus two that support control-OUT tests. If the optional "autoresume"
32 * test harness from USB-IF.
59 /*-------------------------------------------------------------------------*/
272 /* function-specific strings: */
280 .language = 0x0409, /* en-us */
281 .strings = strings_sourcesink,
289 /*-------------------------------------------------------------------------*/
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H A Df_fs.c1 // SPDX-License-Identifier: GPL-2.0+
3 * f_fs.c -- user mode file system API for USB composite function controllers
9 * Copyright (C) 2003-2004 David Brownell
18 #include <linux/dma-buf.h>
19 #include <linux/dma-fence.h>
20 #include <linux/dma-resv.h>
64 /* Called with ffs->mutex held; take over ownership of data. */
99 cmpxchg(&ffs->setup_state, FFS_SETUP_CANCELLED, FFS_NO_SETUP); in ffs_setup_state_clear_cancelled()
120 static int ffs_func_revmap_ep(struct ffs_function *func, u8 num);
127 struct usb_ep *ep; /* P: ffs->eps_lock */
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/linux/drivers/usb/gadget/legacy/
H A Dg_ffs.c1 // SPDX-License-Identifier: GPL-2.0+
3 * g_ffs.c -- user mode file system API for USB composite function controllers
108 .language = 0x0409, /* en-us */
109 .strings = gfs_strings,
117 int num; member
151 .strings = gfs_dev_strings,
193 ret = -ENOMEM; in gfs_init()
201 ret = -ENOMEM; in gfs_init()
209 --i; in gfs_init()
214 ret = ffs_single_dev(opts->dev); in gfs_init()
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/linux/drivers/usb/gadget/
H A Dconfigfs.c1 // SPDX-License-Identifier: GPL-2.0
18 u16 num; in check_user_usb_string() local
21 ret = kstrtou16(name, 0, &num); in check_user_usb_string()
25 if (!usb_validate_langid(num)) in check_user_usb_string()
26 return -EINVAL; in check_user_usb_string()
28 stringtab_dev->language = num; in check_user_usb_string()
86 return container_of(cfg->c.cdev, struct gadget_info, cdev); in cfg_to_gadget_info()
91 struct usb_string strings[USB_GADGET_FIRST_AVAIL_IDX]; member
104 struct usb_string strings; member
121 return -EOVERFLOW; in usb_string_copy()
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/linux/tools/testing/selftests/bpf/progs/
H A Dtest_global_data.c1 // SPDX-License-Identifier: GPL-2.0
46 /* Relocation tests for strings. */
65 #define test_reloc(map, num, var) \ argument
67 __u32 key = num; \
/linux/drivers/gpio/
H A Dgpio-reg.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * gpio-reg: single register individually fixed-direction GPIOs
19 #include <linux/gpio/gpio-reg.h>
37 return r->direction & BIT(offset) ? GPIO_LINE_DIRECTION_IN : in gpio_reg_get_direction()
46 if (r->direction & BIT(offset)) in gpio_reg_direction_output()
47 return -ENOTSUPP; in gpio_reg_direction_output()
49 gc->set(gc, offset, value); in gpio_reg_direction_output()
57 return r->direction & BIT(offset) ? 0 : -ENOTSUPP; in gpio_reg_direction_input()
66 spin_lock_irqsave(&r->lock, flags); in gpio_reg_set()
67 val = r->out; in gpio_reg_set()
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/linux/tools/perf/pmu-events/
H A Djevents.py2 # SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
68 def removesuffix(s: str, suffix: str) -> str:
74 return s[0:-len(suffix)] if s.endswith(suffix) else s
78 dirname: str) -> str:
84 return tblname.replace('-', '_')
87 def c_len(s: str) -> int:
99 utf = s.encode(encoding='utf-8',errors='strict')
103 return len(utf) - utf.count(b'\\') + utf.count(b'\\\\') - (utf.count(b'\\000') * 2)
106 """A class to hold many strings concatenated together.
108 Generating a large number of stand-alone C strings creates a large
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/linux/rust/quote/
H A Dformat.rs1 // SPDX-License-Identifier: Apache-2.0 OR MIT
31 /// unsigned integers and strings.
79 /// Composing raw and non-raw identifiers:
95 /// let num: u32 = 10;
97 /// let decimal = format_ident!("Id_{}", num);
100 /// let octal = format_ident!("Id_{:o}", num);
103 /// let binary = format_ident!("Id_{:b}", num);
106 /// let lower_hex = format_ident!("Id_{:x}", num);
109 /// let upper_hex = format_ident!("Id_{:X}", num);
/linux/Documentation/devicetree/bindings/pci/
H A Dhisilicon-histb-pcie.txt6 Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml.
11 - compatible: Should be one of the following strings:
12 "hisilicon,hi3798cv200-pcie"
13 - reg: Should contain sysctl, rc_dbi, config registers location and length.
14 - reg-names: Must include the following entries:
16 "rc-dbi": configuration space of PCIe controller;
18 - bus-range: PCI bus numbers covered.
19 - interrupts: MSI interrupt.
20 - interrupt-names: Must include "msi" entries.
21 - clocks: List of phandle and clock specifier pairs as listed in clock-names
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/linux/Documentation/kbuild/
H A Dgendwarfksyms.rst18 ------------
26 sudo pacman --needed -S libelf zlib
30 sudo apt install libelf-dev libdw-dev zlib1g-dev
34 sudo dnf install elfutils-libelf-devel elfutils-devel zlib-devel
38 sudo zypper install libelf-devel libdw-devel zlib-devel
41 -----
46 Usage: gendwarfksyms [options] elf-object-file ... < symbol-list
49 -d, --debug Print debugging information
50 --dump-dies Dump DWARF DIE contents
51 --dump-die-map Print debugging information about die_map changes
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/linux/Documentation/devicetree/bindings/spi/
H A Domap-spi.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/spi/omap-spi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Aswath Govindraju <a-govindraju@ti.com>
13 - $ref: spi-controller.yaml#
18 - items:
19 - enum:
20 - ti,am654-mcspi
21 - ti,am4372-mcspi
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/linux/kernel/trace/
H A Dtrace_events_inject.c1 // SPDX-License-Identifier: GPL-2.0
3 * trace_events_inject - trace event injection
53 len = i - s; in parse_field()
55 return -EINVAL; in parse_field()
59 return -ENOMEM; in parse_field()
63 return -ENOENT; in parse_field()
69 return -EINVAL; in parse_field()
74 if (isdigit(str[i]) || str[i] == '-') { in parse_field()
75 char *num, c; in parse_field() local
80 return -EINVAL; in parse_field()
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/linux/tools/perf/util/
H A Dhwmon_pmu.c1 // SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
25 /** Strings that correspond to enum hwmon_type. */
41 /** Strings that correspond to enum hwmon_item. */
111 * struct hwmon_pmu_event_value: Value in hwmon_pmu->events.
129 return pmu && pmu->type >= PERF_PMU_TYPE_HWMON_START && in perf_pmu__is_hwmon()
130 pmu->type <= PERF_PMU_TYPE_HWMON_END; in perf_pmu__is_hwmon()
135 return perf_pmu__is_hwmon(evsel->pmu); in evsel__is_hwmon()
180 *number = -1; in parse_hwmon_filename()
189 elem = bsearch(&fn_type, hwmon_type_strs + 1, ARRAY_SIZE(hwmon_type_strs) - 1, in parse_hwmon_filename()
197 *type = elem - &hwmon_type_strs[0]; in parse_hwmon_filename()
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/linux/security/apparmor/include/
H A Dpolicy.h1 /* SPDX-License-Identifier: GPL-2.0-only */
7 * Copyright (C) 1998-2008 Novell/SUSE
8 * Copyright 2009-2010 Canonical Ltd.
44 ((_profile)->mode == (_mode)))
52 #define PROFILE_IS_HAT(_profile) ((_profile)->label.flags & FLAG_HAT)
54 #define CHECK_DEBUG1(_profile) ((_profile)->label.flags & FLAG_DEBUG1)
56 #define CHECK_DEBUG2(_profile) ((_profile)->label.flags & FLAG_DEBUG2)
58 #define profile_is_stale(_profile) (label_is_stale(&(_profile)->label))
60 #define on_list_rcu(X) (!list_empty(X) && (X)->prev != LIST_POISON2)
84 u32 count; /* number of strings per entry */
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/linux/sound/soc/
H A Dsoc-core.c1 // SPDX-License-Identifier: GPL-2.0+
3 // soc-core.c -- ALSA SoC Audio Layer
11 // with code, comments and ideas from :-
40 #include <sound/soc-dpcm.h>
41 #include <sound/soc-topology.h>
42 #include <sound/soc-link.h>
76 return sysfs_emit(buf, "%ld\n", rtd->pmdown_time); in pmdown_time_show()
86 ret = kstrtol(buf, 10, &rtd->pmdown_time); in pmdown_time_store()
110 return attr->mode; /* always visible */ in soc_dev_attr_is_visible()
111 return rtd->dai_link->num_codecs ? attr->mode : 0; /* enabled only with codec */ in soc_dev_attr_is_visible()
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/linux/net/9p/
H A Dtrans_usbg.c1 // SPDX-License-Identifier: GPL-2.0+
3 * trans_usbg.c - USB peripheral usb9pfs configuration driver and transport.
12 /* +--------------------------+ | +--------------------------+
15 * | (this:trans_usbg) | | |(e.g. diod or nfs-ganesha)|
16 * +-------------^------------+ | +-------------^------------+
18 * ------------------|------------------------------------|-------------
20 * +-------------v------------+ | +-------------v------------+
22 * HW | USB Device Controller <---------> USB Host Controller |
24 * +--------------------------+ | +--------------------------+
95 struct usb_composite_dev *cdev = usb9pfs->function.config->cdev; in usb9pfs_queue_tx()
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/linux/Documentation/devicetree/bindings/sound/
H A Damlogic,axg-sound-card.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/amlogic,axg-sound-card.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jerome Brunet <jbrunet@baylibre.com>
13 - $ref: sound-card-common.yaml#
17 const: amlogic,axg-sound-card
19 audio-aux-devs:
20 $ref: /schemas/types.yaml#/definitions/phandle-array
23 audio-widgets:
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/linux/tools/lib/bpf/
H A Dbtf_relocate.c1 // SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
25 #define qsort(base, num, sz, cmp) sort(base, num, sz, cmp, NULL) argument
55 #define BTF_IS_EMBEDDED ((__u32)-1)
68 struct btf_type *t = btf_type_by_id(r->btf, i); in btf_relocate_rewrite_type_id()
78 *id = r->id_map[*id]; in btf_relocate_rewrite_type_id()
83 * types are named. If strings match, and size is non-zero for both elements
90 int name_diff = strcmp(ni1->name, ni2->name); in cmp_btf_name_size()
92 if (!name_diff && ni1->needs_size && ni2->needs_size) in cmp_btf_name_size()
93 return ni2->size - ni1->size; in cmp_btf_name_size()
107 int high = nelems - 1; in search_btf_name_size()
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