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/linux/fs/nfs/blocklayout/
H A Dextent_tree.c26 ext_tree_prev(struct pnfs_block_extent *be) in ext_tree_prev() argument
28 struct rb_node *node = rb_prev(&be->be_node); in ext_tree_prev()
33 ext_tree_next(struct pnfs_block_extent *be) in ext_tree_next() argument
35 struct rb_node *node = rb_next(&be->be_node); in ext_tree_next()
40 ext_f_end(struct pnfs_block_extent *be) in ext_f_end() argument
42 return be->be_f_offset + be->be_length; in ext_f_end()
49 struct pnfs_block_extent *be = NULL; in __ext_tree_search() local
52 be = ext_node(node); in __ext_tree_search()
53 if (start < be->be_f_offset) in __ext_tree_search()
55 else if (start >= ext_f_end(be)) in __ext_tree_search()
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/linux/drivers/media/i2c/
H A Dar0521.c42 #define AR0521_HEIGHT_BLANKING_MIN 38u /* must be even */
85 #define be cpu_to_be16 macro
169 /* Data must be BE16, the first value is the register address */
194 __be16 buf[2] = {be(reg), be(val)}; in ar0521_write_reg()
209 be(AR0521_REG_FRAME_LENGTH_LINES), in ar0521_set_geometry()
210 be(sensor->fmt.height + sensor->ctrls.vblank->val), in ar0521_set_geometry()
211 be(sensor->fmt.width + sensor->ctrls.hblank->val), in ar0521_set_geometry()
212 be(x), in ar0521_set_geometry()
213 be(y), in ar0521_set_geometry()
214 be(x + sensor->fmt.width - 1), in ar0521_set_geometry()
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H A DKconfig52 module will be called alvium-csi2.
61 module will be called ar0521.
71 module will be called gc0308.
81 module will be called gc05a2.
91 module will be called gc08a3.
101 module will be called gc2145.
110 module will be called hi556.
119 module will be called hi846.
128 module will be called hi847.
137 module will be called imx208.
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/linux/drivers/hwmon/
H A DKconfig23 This support can also be built as a module. If so, the module
24 will be called hwmon.
48 chip can be found on Abit uGuru featuring motherboards (most modern
53 This driver can also be built as a module. If so, the module
54 will be called abituguru.
63 uGuru chip can be found on recent Abit motherboards (since end
67 This driver can also be built as a module. If so, the module
68 will be called abituguru3.
85 This driver can also be built as a module. If so, the module
86 will be called ad7314.
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/linux/drivers/i2c/busses/
H A DKconfig23 If you say yes to this option, support will be included for the SMB
28 This driver can also be built as a module. If so, the module
29 will be called i2c-ali1535.
35 If you say yes to this option, support will be included for the SMB
40 This driver can also be built as a module. If so, the module
41 will be called i2c-ali1563.
47 If you say yes to this option, support will be included for the
50 This driver can also be built as a module. If so, the module
51 will be called i2c-ali15x3.
57 If you say yes to this option, support will be included for the AMD
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/linux/drivers/rtc/
H A DKconfig20 be allowed to plug one or more RTCs to your system. You will
29 If you say yes here, the system time (wall clock) will be set using
38 The RTC device that will be used to (re)initialize the system
44 This clock should be battery-backed, so that it reads the correct
49 be useful to reinitialize system time when resuming from system
57 If you say yes here, the system time (wall clock) will be stored
114 Other RTCs will not be available through that API.
129 can be accessed as /dev/rtc, which is a name
151 RTC test driver. It's a software RTC which can be
158 This driver can also be built as a module. If so, the module
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/linux/tools/perf/util/
H A Dgenelf_debug.c47 buffer_ext_dump(struct buffer_ext *be, const char *msg) in buffer_ext_dump() argument
51 for (i = 0 ; i < be->cur_pos; i++) in buffer_ext_dump()
52 warnx("%4zu 0x%02x", i, (((char *)be->data)[i]) & 0xff); in buffer_ext_dump()
56 buffer_ext_add(struct buffer_ext *be, void *addr, size_t sz) in buffer_ext_add() argument
59 size_t be_sz = be->max_sz; in buffer_ext_add()
62 if ((be->cur_pos + sz) < be_sz) { in buffer_ext_add()
63 memcpy(be->data + be->cur_pos, addr, sz); in buffer_ext_add()
64 be->cur_pos += sz; in buffer_ext_add()
73 tmp = realloc(be->data, be_sz); in buffer_ext_add()
77 be->data = tmp; in buffer_ext_add()
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/linux/Documentation/arch/arm64/
H A Dbooting.rst20 hypervisor code, or it may just be a handful of instructions for
53 The device tree blob (dtb) must be placed on an 8-byte boundary and must
54 not exceed 2 megabytes in size. Since the dtb will be mapped cacheable
55 using blocks of up to 2 megabytes in size, it must not be placed within
56 any 2M region which must be mapped with any specific attributes.
58 NOTE: versions prior to v4.2 also require that the DTB be placed within
67 therefore requires decompression (gzip etc.) to be performed by the boot
106 little-endian and must be respected. Where image_size is zero,
107 text_offset can be assumed to be 0x80000.
113 Bit 0 Kernel endianness. 1 if BE, 0 if LE.
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H A Dgcs.rst9 intended to be exhaustive.
28 GCSPR_EL0. This is readable by userspace but can only be updated
43 at runtime this should be done with great care.
47 * GCS specific errors (those reported with EC 0x2d) will be reported as
56 in LR match those in the GCS, the LR will be ignored. This is not supported
66 should be used.
82 status of the specified GCS mode bits will be rejected.
84 * PR_LOCK_SHADOW_STACK_STATUS allows any bit to be locked, this allows
91 thread that called them, any other running threads will be unaffected.
97 * The current GCS configuration for a thread may be read with the
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/linux/drivers/iio/adc/
H A DKconfig41 To compile this driver as a module, choose M here: the module will be
55 To compile this driver as a module, choose M here: the module will be
70 To compile this driver as a module, choose M here: the module will be
85 To compile this driver as a module, choose M here: the module will be
99 To compile this driver as a module, choose M here: the module will be
122 To compile this driver as a module, choose M here: the module will be
133 To compile this driver as a module, choose M here: the module will be
151 To compile this driver as a module, choose M here: the module will be
162 module will be called ad7191.
179 module will be called ad7192.
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/linux/drivers/nvmem/
H A DKconfig40 This driver can also be built as a module. If so, the module will
41 be called nvmem-apple-efuses.
53 This driver can also be built as a module. If so, the module
54 will be called apple-nvmem-spmi.
65 This driver can also be built as a module. If so, the module
66 will be called nvmem-bcm-ocotp.
74 This driver provides support for Broadcom's NVRAM that can be accessed
85 This driver can also be built as a module. If so, the module
86 will be called nvmem-imx-iim.
97 This driver can also be built as a module. If so, the module
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/linux/Documentation/security/keys/
H A Dcore.rst6 user mappings, and similar to be cached in the kernel for the use of
13 The key service can be configured on by enabling:
46 * Each key is of a defined "type". Types must be registered inside the
48 can be added or used. Userspace programs cannot define new types directly.
51 number of operations that can be performed on a key of that type.
53 Should a type be removed from the system, all the keys of that type will
54 be invalidated.
56 * Each key has a description. This should be a printable string. The key
62 whether a kernel service will be able to find the key.
64 * Each key can be set to expire at a specific time by the key type's
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/linux/sound/soc/
H A Dsoc-pcm.c47 /* is the current PCM operation for this BE ? */
49 struct snd_soc_pcm_runtime *be, int stream) in snd_soc_dpcm_can_be_update() argument
53 be->dpcm[stream].runtime_update)) in snd_soc_dpcm_can_be_update()
59 struct snd_soc_pcm_runtime *be, in snd_soc_dpcm_check_state() argument
69 for_each_dpcm_fe(be, stream, dpcm) { in snd_soc_dpcm_check_state()
83 /* it's safe to do this BE DAI */ in snd_soc_dpcm_check_state()
88 * We can only hw_free, stop, pause or suspend a BE DAI if any of it's FE
92 struct snd_soc_pcm_runtime *be, int stream) in snd_soc_dpcm_can_be_free_stop() argument
100 return snd_soc_dpcm_check_state(fe, be, stream, state, ARRAY_SIZE(state)); in snd_soc_dpcm_can_be_free_stop()
104 * We can only change hw params a BE DAI if any of it's FE are not prepared,
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/linux/net/sched/
H A DKconfig17 is a FIFO (first come, first served). If you say Y here, you will be
19 then be attached to different network devices. This is useful for
23 This code is considered to be experimental.
37 If you say Y here and to "/proc file system" below, you will be able
60 module will be called sch_htb.
69 module will be called sch_hfsc.
78 module will be called sch_prio.
87 module will be called sch_multiq.
98 module will be called sch_red.
109 module will be called sch_sfb.
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/linux/fs/btrfs/
H A Dref-verify.c30 * be used to verify the extent tree is consistent as these should all match
48 * were called with since it could be different from ref_root. We also store
79 struct block_entry *be) in insert_block_entry() argument
88 if (entry->bytenr > be->bytenr) in insert_block_entry()
90 else if (entry->bytenr < be->bytenr) in insert_block_entry()
96 rb_link_node(&be->node, parent_node, p); in insert_block_entry()
97 rb_insert_color(&be->node, root); in insert_block_entry()
235 static void free_block_entry(struct block_entry *be) in free_block_entry() argument
242 while ((n = rb_first(&be->roots))) { in free_block_entry()
244 rb_erase(&re->node, &be->roots); in free_block_entry()
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/linux/Documentation/admin-guide/
H A Dmd.rst7 Tools that manage md devices can be found at
82 This autodetection may be suppressed with the kernel parameter
84 superblock can be autodetected and run at boot time.
94 ``dirty`` means that the parity cannot be trusted, and the fact that it
96 be reconstructed (due to no parity).
108 arrays to be started.
136 be accessed.
138 An array should be created by a user-space tool. This will write
147 format is to be used. The minor number might be used to tune handling
157 Once started, new devices can be added. They should have an
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/linux/drivers/i2c/muxes/
H A DKconfig14 If you say yes to this option, support will be included for an
19 This driver can also be built as a module. If so, the module
20 will be called i2c-arb-gpio-challenge.
26 If you say yes to this option, support will be included for a
31 This driver can also be built as a module. If so, the module
32 will be called i2c-mux-gpio.
39 If you say yes to this option, support will be included for a
44 This driver can also be built as a module. If so, the module
45 will be called i2c-mux-gpmux.
55 This driver can also be built as a module. If so, the module
[all …]
/linux/Documentation/process/
H A D4.Coding.rst6 While there is much to be said for a solid and community-oriented design
8 code. It is the code which will be examined by other developers and merged
34 the standard; many developers will request that the code be reformatted
42 win before the code can be merged. Putting code into the kernel means
53 on it for other reasons, but coding style changes should not be made for
56 The coding style document also should not be read as an absolute law which
57 can never be transgressed. If there is a good reason to go against the
69 Some basic editor settings, such as indentation and line endings, will be
81 But experience has shown that excessive or premature abstraction can be
82 just as harmful as premature optimization. Abstraction should be used to
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/linux/drivers/net/xen-netback/
H A Dxenbus.c13 static int connect_data_rings(struct backend_info *be,
15 static void connect(struct backend_info *be);
16 static int read_xenbus_vif_flags(struct backend_info *be);
17 static int backend_create_xenvif(struct backend_info *be);
18 static void unregister_hotplug_status_watch(struct backend_info *be);
20 static void set_backend_state(struct backend_info *be,
206 struct backend_info *be = dev_get_drvdata(&xdev->dev); in netback_uevent() local
208 if (!be) in netback_uevent()
211 if (add_uevent_var(env, "script=%s", be->hotplug_script)) in netback_uevent()
214 if (!be->vif) in netback_uevent()
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/linux/drivers/comedi/
H A DKconfig30 be requested by a userspace program without root privileges.
37 Enable comedi misc drivers to be built
54 To compile this driver as a module, choose M here: the module will be
61 This driver is mainly for testing purposes, but can also be used to
65 To compile this driver as a module, choose M here: the module will be
77 To compile this driver as a module, choose M here: the module will be
87 To compile this driver as a module, choose M here: the module will be
97 Enable comedi ISA and PC/104 drivers to be built
111 To compile this driver as a module, choose M here: the module will be
132 To compile this driver as a module, choose M here: the module will be
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/linux/Documentation/driver-api/
H A Dvme.rst12 be provided to the registration function. Along with the maximum number of
16 :c:type:`struct vme_driver <vme_driver>` should be correctly set. The '.name'
19 The '.match' function allows control over which VME devices should be registered
20 with the driver. The match function should return 1 if a device should be
40 driver. The bridge number (or bus number) can be accessed using
44 :c:func:`vme_unregister_driver` and should usually be called from the device
52 be called the number of times specified during the registration. If a match
53 succeeds, a non-zero value should be returned. A zero return value indicates
56 device structure. This pointer should be saved, it will be required for
62 driver to request a specific window or DMA channel (which may be used by a
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/linux/drivers/pwm/
H A DKconfig48 will be called pwm-ab8500.
67 will be called pwm-apple.
77 will be called pwm-atmel.
89 will be called pwm-atmel-hlcdc.
102 will be called pwm-atmel-tcb.
114 To compile this driver as a module, choose M here: the module will be
125 will be called pwm-bcm2835.
137 will be called pwm-bcm-iproc.
148 will be called pwm-bcm-kona.
158 will be called pwm-berlin.
[all …]
/linux/drivers/media/usb/gspca/
H A DKconfig17 module will be called gspca_main.
28 module will be called gspca_benq.
37 module will be called gspca_conex.
48 module will be called gspca_cpia1.
58 module will be called gspca_dtcs033.
67 module will be called gspca_etoms.
76 module will be called gspca_finepix.
85 module will be called gspca_jeilinj.
95 module will be called gspca_jl2005bcd.
104 module will be called gspca_kinect.
[all …]
/linux/sound/soc/meson/
H A Daxg-card.c30 * Those will be over-written by the CPU side of the link
45 struct axg_dai_link_tdm_data *be = in axg_card_tdm_be_hw_params() local
48 return meson_card_i2s_set_sysclk(substream, params, be->mclk_fs); in axg_card_tdm_be_hw_params()
58 struct axg_dai_link_tdm_data *be = in axg_card_tdm_dai_init() local
65 be->codec_masks[i].tx, in axg_card_tdm_dai_init()
66 be->codec_masks[i].rx, in axg_card_tdm_dai_init()
67 be->slots, be->slot_width); in axg_card_tdm_dai_init()
75 ret = axg_tdm_set_tdm_slots(snd_soc_rtd_to_cpu(rtd, 0), be->tx_mask, be->rx_mask, in axg_card_tdm_dai_init()
76 be->slots, be->slot_width); in axg_card_tdm_dai_init()
88 struct axg_dai_link_tdm_data *be = in axg_card_tdm_dai_lb_init() local
[all …]
/linux/drivers/watchdog/
H A DKconfig15 could be useful for a networked machine that needs to come back
47 get killed. If you say Y here, the watchdog cannot be stopped once
67 value set here can be overridden by the commandline parameter
80 watchdogs that do not natively support pretimeout support. Be aware
82 be able to fire before the actual watchdog fires in some situations.
161 module will be called softdog.
168 watchdog. Be aware that governors might affect the watchdog because it
177 These PMIC ICs contain watchdog block which can be configured
182 which will be called bd9576_wdt.
189 Support for the watchdog in the ROHM BD96801 PMIC. Watchdog can be
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