| /Linux-v5.15/drivers/rtc/ |
| D | rtc-ds1685.c | 162 (rtc->read(rtc, RTC_CTRL_A) & ~(RTC_CTRL_A_DV0))); in ds1685_rtc_switch_to_bank0()
173 (rtc->read(rtc, RTC_CTRL_A) | RTC_CTRL_A_DV0)); in ds1685_rtc_switch_to_bank1()
194 (rtc->read(rtc, RTC_CTRL_B) | RTC_CTRL_B_SET)); in ds1685_rtc_begin_data_access()
200 while (rtc->read(rtc, RTC_EXT_CTRL_4A) & RTC_CTRL_4A_INCR) in ds1685_rtc_begin_data_access()
220 (rtc->read(rtc, RTC_CTRL_B) & ~(RTC_CTRL_B_SET))); in ds1685_rtc_end_data_access()
240 ssn[0] = rtc->read(rtc, RTC_BANK1_SSN_MODEL); in ds1685_rtc_get_ssn()
241 ssn[1] = rtc->read(rtc, RTC_BANK1_SSN_BYTE_1); in ds1685_rtc_get_ssn()
242 ssn[2] = rtc->read(rtc, RTC_BANK1_SSN_BYTE_2); in ds1685_rtc_get_ssn()
243 ssn[3] = rtc->read(rtc, RTC_BANK1_SSN_BYTE_3); in ds1685_rtc_get_ssn()
244 ssn[4] = rtc->read(rtc, RTC_BANK1_SSN_BYTE_4); in ds1685_rtc_get_ssn()
[all …]
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| D | rtc-bq4802.c | 26 u8 (*read)(struct bq4802 *, int); member
59 val = p->read(p, 0x0e); in bq4802_read_time()
62 tm->tm_sec = p->read(p, 0x00); in bq4802_read_time()
63 tm->tm_min = p->read(p, 0x02); in bq4802_read_time()
64 tm->tm_hour = p->read(p, 0x04); in bq4802_read_time()
65 tm->tm_mday = p->read(p, 0x06); in bq4802_read_time()
66 tm->tm_mon = p->read(p, 0x09); in bq4802_read_time()
67 tm->tm_year = p->read(p, 0x0a); in bq4802_read_time()
68 tm->tm_wday = p->read(p, 0x08); in bq4802_read_time()
69 century = p->read(p, 0x0f); in bq4802_read_time()
[all …]
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| /Linux-v5.15/Documentation/userspace-api/media/v4l/ |
| D | func-read.rst | 4 .. _func-read:
7 V4L2 read()
13 v4l2-read - Read from a V4L2 device
22 .. c:function:: ssize_t read( int fd, void *buf, size_t count )
34 Max number of bytes to read
39 :c:func:`read()` attempts to read up to ``count`` bytes from file
42 section, see ##. If ``count`` is zero, :c:func:`read()` returns zero
45 :c:func:`read()` call will provide at most one frame (two fields)
48 By default :c:func:`read()` blocks until data becomes available. When
54 :c:func:`read()` function must also support :c:func:`select()` and
[all …]
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| /Linux-v5.15/Documentation/ABI/testing/ |
| D | configfs-spear-pcie-gadget | 20 link used to enable ltssm and read its status.
21 int_type used to configure and read type of supported interrupt
23 to read no of MSI granted.
26 vendor_id used to write and read vendor id (hex)
27 device_id used to write and read device id (hex)
28 bar0_size used to write and read bar0_size
29 bar0_address used to write and read bar0 mapped area in hex.
30 bar0_rw_offset used to write and read offset of bar0 where bar0_data
31 will be written or read.
32 bar0_data used to write and read data at bar0_rw_offset.
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| D | sysfs-driver-ufs | 22 The file is read only.
31 The file is read only.
40 The file is read only.
50 The file is read only.
59 The file is read only.
69 The file is read only.
79 The file is read only.
85 descriptor could be read after partial initialization phase
90 The file is read only.
100 The file is read only.
[all …]
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| D | sysfs-driver-xdata | 17 The user can read the current PCIe link throughput generated
24 The file is read and write.
26 What: /sys/class/misc/dw-xdata-pcie.<device>/read
31 will create read TLPs frames - from the Endpoint to the Root
38 echo 1 > /sys/class/misc/dw-xdata-pcie.<device>/read
40 echo 0 > /sys/class/misc/dw-xdata-pcie.<device>/read
42 The user can read the current PCIe link throughput generated
46 cat /sys/class/misc/dw-xdata-pcie.<device>/read
49 The file is read and write.
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| D | sysfs-class-switchtec | 19 (read only)
27 Description: Component revision stored in the hardware (read only)
36 (read only)
44 Description: Device version as stored in the hardware (read only)
52 Description: Currently running firmware version (read only)
60 Description: Partition number for this device in the switch (read only)
68 Description: Total number of partitions in the switch (read only)
77 (read only)
86 (read only)
95 (read only)
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| /Linux-v5.15/drivers/video/fbdev/core/ |
| D | fbcvt.c | 217 int cnt = 255, offset = 0, read = 0; in fb_cvt_print_name() local
227 read = snprintf(buf+offset, cnt, "fbcvt: %dx%d@%d: CVT Name - ", in fb_cvt_print_name()
229 offset += read; in fb_cvt_print_name()
230 cnt -= read; in fb_cvt_print_name()
237 read = snprintf(buf+offset, cnt, "%d", pixcount); in fb_cvt_print_name()
238 cnt -= read; in fb_cvt_print_name()
239 offset += read; in fb_cvt_print_name()
242 read = snprintf(buf+offset, cnt, ".%03dM", pixcount_mod); in fb_cvt_print_name()
243 cnt -= read; in fb_cvt_print_name()
244 offset += read; in fb_cvt_print_name()
[all …]
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| /Linux-v5.15/drivers/gpu/drm/amd/amdgpu/ |
| D | amdgpu_eeprom.c | 91 u8 *eeprom_buf, u16 buf_size, bool read) in __amdgpu_eeprom_xfer() argument
101 .flags = read ? I2C_M_RD : 0, in __amdgpu_eeprom_xfer()
117 if (!read) { in __amdgpu_eeprom_xfer()
153 if (!read) { in __amdgpu_eeprom_xfer()
180 u8 *eeprom_buf, u16 buf_size, bool read) in amdgpu_eeprom_xfer() argument
187 else if (read) in amdgpu_eeprom_xfer()
194 eeprom_buf, buf_size, read); in amdgpu_eeprom_xfer()
199 read ? "read" : "write", EEPROM_OFFSET_SIZE); in amdgpu_eeprom_xfer()
215 eeprom_buf, ps, read); in amdgpu_eeprom_xfer()
|
| /Linux-v5.15/Documentation/admin-guide/ |
| D | ufs.rst | 20 default value, supported as read-only
24 supported as read-write
28 supported as read-write
35 supported as read-write
39 supported as read-write
43 supported as read-only
47 supported as read-only
51 supported as read-only
55 supported as read-only
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| /Linux-v5.15/drivers/gpu/drm/amd/display/modules/hdcp/ |
| D | hdcp_ddc.c | 150 static enum mod_hdcp_status read(struct mod_hdcp *hdcp, in read() function
197 status = read(hdcp, msg_id, buf + data_offset, cur_size); in read_repeatedly()
248 return read(hdcp, MOD_HDCP_MESSAGE_ID_READ_BKSV, in mod_hdcp_read_bksv()
255 return read(hdcp, MOD_HDCP_MESSAGE_ID_READ_BCAPS, in mod_hdcp_read_bcaps()
265 status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_BSTATUS, in mod_hdcp_read_bstatus()
269 status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_BSTATUS, in mod_hdcp_read_bstatus()
277 return read(hdcp, MOD_HDCP_MESSAGE_ID_READ_RI_R0, in mod_hdcp_read_r0p()
293 status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_KSV_FIFO, in mod_hdcp_read_ksvlist()
303 status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_VH_0, in mod_hdcp_read_vp()
308 status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_VH_1, in mod_hdcp_read_vp()
[all …]
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| /Linux-v5.15/arch/parisc/kernel/ |
| D | perf_asm.S | 91 ;* arg0 : rdr to be read
98 ;* arg0 : rdr to be read
114 ; read(shift in) the RDR.
173 ; RDR 2 read sequence
185 ; RDR 3 read sequence
197 ; RDR 4 read sequence
209 ; RDR 5 read sequence
221 ; RDR 6 read sequence
233 ; RDR 7 read sequence
245 ; RDR 8 read sequence
[all …]
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| /Linux-v5.15/drivers/iio/temperature/ |
| D | mlx90632.c | 310 s16 read; in mlx90632_read_object_raw() local
323 read = (s16)read_tmp; in mlx90632_read_object_raw()
328 *object_new_raw = (read + (s16)read_tmp) / 2; in mlx90632_read_object_raw()
333 read = (s16)read_tmp; in mlx90632_read_object_raw()
338 *object_old_raw = (read + (s16)read_tmp) / 2; in mlx90632_read_object_raw()
389 s32 read; in mlx90632_read_object_raw_extended() local
395 read = (s16)read_tmp; in mlx90632_read_object_raw_extended()
400 read = read - (s16)read_tmp; in mlx90632_read_object_raw_extended()
405 read = read - (s16)read_tmp; in mlx90632_read_object_raw_extended()
410 read = (read + (s16)read_tmp) / 2; in mlx90632_read_object_raw_extended()
[all …]
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| /Linux-v5.15/Documentation/userspace-api/media/rc/ |
| D | lirc-read.rst | 4 .. _lirc-read:
7 LIRC read()
13 lirc-read - Read from a LIRC device
22 .. c:function:: ssize_t read( int fd, void *buf, size_t count )
34 Max number of bytes to read
39 :c:func:`read()` attempts to read up to ``count`` bytes from file
41 :c:func:`read()` returns zero and has no other results. If ``count``
50 read from the chardev.
62 On success, the number of bytes read is returned. It is not an error if
|
| /Linux-v5.15/include/trace/events/ |
| D | mdio.h | 12 TP_PROTO(struct mii_bus *bus, char read,
15 TP_ARGS(bus, read, addr, regnum, val, err),
21 __field(char, read)
29 __entry->read = read;
36 __entry->busid, __entry->read ? "read" : "write",
|
| /Linux-v5.15/Documentation/filesystems/spufs/ |
| D | spufs.rst | 44 tem calls like read(2) or write(2), but often support only a subset of
49 All files that support the read(2) operation also support readv(2) and
57 possible operations, e.g. read access on the wbox file.
68 read(2), pread(2), write(2), pwrite(2), lseek(2)
81 The first SPU to CPU communication mailbox. This file is read-only and
82 can be read in units of 32 bits. The file can only be used in non-
86 read(2)
87 If a count smaller than four is requested, read returns -1 and
90 When data has been read successfully, four bytes are placed in
96 the first mailbox file, but can be read in blocking I/O mode, and the
[all …]
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| /Linux-v5.15/drivers/crypto/inside-secure/ |
| D | safexcel_ring.c | 30 cdr->read = cdr->base; in safexcel_init_ring_descriptors()
67 rdr->read = rdr->base; in safexcel_init_ring_descriptors()
87 if ((ring->write == ring->read - ring->offset) || in safexcel_ring_next_cwptr()
88 (ring->read == ring->base && ring->write == ring->base_end)) in safexcel_ring_next_cwptr()
111 if ((ring->write == ring->read - ring->offset) || in safexcel_ring_next_rwptr()
112 (ring->read == ring->base && ring->write == ring->base_end)) in safexcel_ring_next_rwptr()
126 void *ptr = ring->read; in safexcel_ring_next_rptr()
128 if (ring->write == ring->read) in safexcel_ring_next_rptr()
131 if (ring->read == ring->base_end) in safexcel_ring_next_rptr()
132 ring->read = ring->base; in safexcel_ring_next_rptr()
[all …]
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| /Linux-v5.15/Documentation/hwmon/ |
| D | ltc2992.rst | 29 The following attributes are supported. Limits are read-write,
30 all other attributes are read-only.
39 inX_min_alarm An undervoltage occurred. Cleared on read.
40 inX_max_alarm An overvoltage occurred. Cleared on read.
47 currX_min_alarm An undercurrent occurred. Cleared on read.
48 currX_max_alarm An overcurrent occurred. Cleared on read.
55 powerX_min_alarm An underpower occurred. Cleared on read.
56 powerX_max_alarm An overpower occurred. Cleared on read.
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| /Linux-v5.15/scripts/coccinelle/api/ |
| D | stream_open.cocci | 6 // its read and write. Rationale for the conversion is to avoid deadlock in
7 // between read and write.
80 // file_operations + whether they have _any_ .read, .write, .llseek ... at all.
95 .read = read_f,
188 // XXX for simplicity require no .{read/write}_iter and no .splice_{read/write} for now.
202 // read & write
213 .read = readstream,
232 …"ERROR: %s: .read() can deadlock .write(); change nonseekable_open -> stream_open to fix." % (fops…
239 …"WARNING: %s: .read() and .write() have stream semantic; safe to change nonseekable_open -> stream…
248 + nonseekable_open /* read & write (was deadlock) */
[all …]
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| /Linux-v5.15/drivers/mtd/tests/ |
| D | subpagetest.c | 119 size_t read; in verify_eraseblock() local
125 err = mtd_read(mtd, addr, subpgsize, &read, readbuf); in verify_eraseblock()
126 if (unlikely(err || read != subpgsize)) { in verify_eraseblock()
127 if (mtd_is_bitflip(err) && read == subpgsize) { in verify_eraseblock()
152 err = mtd_read(mtd, addr, subpgsize, &read, readbuf); in verify_eraseblock()
153 if (unlikely(err || read != subpgsize)) { in verify_eraseblock()
154 if (mtd_is_bitflip(err) && read == subpgsize) { in verify_eraseblock()
180 size_t read; in verify_eraseblock2() local
189 err = mtd_read(mtd, addr, subpgsize * k, &read, readbuf); in verify_eraseblock2()
190 if (unlikely(err || read != subpgsize * k)) { in verify_eraseblock2()
[all …]
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| /Linux-v5.15/Documentation/block/ |
| D | stat.rst | 29 read I/Os requests number of read I/Os processed
30 read merges requests number of read I/Os merged with in-queue I/O
31 read sectors sectors number of sectors read
32 read ticks milliseconds total wait time for read requests
48 read I/Os, write I/Os, discard I/0s
61 read merges, write merges, discard merges
67 read sectors, write sectors, discard_sectors
70 These values count the number of sectors read from, written to, or
75 read ticks, write ticks, discard ticks, flush ticks
81 example, if 60 read requests wait for an average of 30 ms, the read_ticks
[all …]
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| /Linux-v5.15/drivers/gpio/ |
| D | gpio-lp3943.c | 87 u8 addr, read; in lp3943_get_gpio_in_status() local
102 err = lp3943_read_byte(lp3943_gpio->lp3943, addr, &read); in lp3943_get_gpio_in_status()
106 return !!(read & BIT(offset)); in lp3943_get_gpio_in_status()
114 u8 read; in lp3943_get_gpio_out_status() local
117 err = lp3943_read_byte(lp3943, mux[offset].reg, &read); in lp3943_get_gpio_out_status()
121 read = (read & mux[offset].mask) >> mux[offset].shift; in lp3943_get_gpio_out_status()
123 if (read == LP3943_GPIO_OUT_HIGH) in lp3943_get_gpio_out_status()
125 else if (read == LP3943_GPIO_OUT_LOW) in lp3943_get_gpio_out_status()
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| /Linux-v5.15/include/sound/ |
| D | info.h | 30 void (*read)(struct snd_info_entry *entry, member
41 ssize_t (*read)(struct snd_info_entry *entry, void *file_private_data, member
141 void (*read)(struct snd_info_entry *, struct snd_info_buffer *)) in snd_info_set_text_ops()
144 entry->c.text.read = read; in snd_info_set_text_ops()
149 void (*read)(struct snd_info_entry *,
182 void (*read)(struct snd_info_entry *, struct snd_info_buffer *)) {} in snd_info_set_text_ops()
185 void (*read)(struct snd_info_entry *, in snd_card_rw_proc_new()
209 void (*read)(struct snd_info_entry *, in snd_card_ro_proc_new()
212 return snd_card_rw_proc_new(card, name, private_data, read, NULL); in snd_card_ro_proc_new()
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| /Linux-v5.15/Documentation/filesystems/ |
| D | netfs_library.rst | 10 - Buffered read helpers.
23 just includes turning various VM buffered read operations into requests to read
34 The library provides a set of read helpers that handle the ->readpage(),
50 * Allows the netfs to partially fulfil a read, which will then be resubmitted.
52 * Handles local caching, allowing cached data and server-read data to be
64 includes a mandatory method to issue a read operation along with a number of
71 Three read helpers are provided::
91 for the use of the read helpers:
101 Both of these values will be stored into the read request structure.
104 into the corresponding read helper; whereas for ->write_begin(), it may be a
[all …]
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| /Linux-v5.15/arch/arm/boot/dts/ |
| D | intel-ixp42x-welltech-epbx100.dts | 49 read-only;
54 read-only;
59 read-only;
64 read-only;
69 read-only;
74 read-only;
|
