| /linux-6.12.1/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 …]
|
| 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 …]
|
| /linux-6.12.1/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 …]
|
| /linux-6.12.1/Documentation/driver-api/mmc/ |
| D | mmc-test.rst | 12 …different aspects of the host controller and device interactions, such as read and write performan…
112 To run test number 4 (Basic read with data verification):
126 …This file lists all available tests. You can read this file to see the list of tests and their cor…
143 | 2 | Basic read | Same for read |
150 | 4 | Basic read | Same for read |
156 | 6 | Multi-block read | Same for read |
162 | 8 | Power of two block reads | Same for read |
169 | 10 | Weird sized block reads | same for read |
176 | 12 | Badly aligned read | same for read |
180 | 14 | Badly aligned multi-block read | same for multi-read |
[all …]
|
| /linux-6.12.1/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.
|
| 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.
|
| D | sysfs-class-watchdog | 5 It is a read only file. It contains status of the watchdog
13 It is a read only file. It contains options of watchdog device.
19 It is a read only file. It contains firmware version of
26 It is a read only file. It contains identity string of
33 It is a read/write file. While reading, it gives '1'
45 It is a read only file. It gives active/inactive status of
52 It is a read only file. It contains watchdog device's
60 It is a read only file. It contains value of time left for
68 It is a read only file. It is read to know about current
75 It is a read only file. It specifies the time in seconds before
[all …]
|
| D | sysfs-driver-ufs | 23 The file is read only.
33 The file is read only.
43 The file is read only.
54 The file is read only.
64 The file is read only.
75 The file is read only.
86 The file is read only.
93 descriptor could be read after partial initialization phase
98 The file is read only.
109 The file is read only.
[all …]
|
| /linux-6.12.1/Documentation/wmi/devices/ |
| D | msi-wmi-platform.rst | 26 [WmiDataId(1), read, write, Description("16 bytes of data")] uint8 Bytes[16];
33 [WmiDataId(1), read, write, Description("32 bytes of data")] uint8 Bytes[32];
40 [key, read] string InstanceName;
41 [read] boolean Active;
43 [WmiMethodId(1), Implemented, read, write, Description("Return the contents of a package")]
46 [WmiMethodId(2), Implemented, read, write, Description("Set the contents of a package")]
49 [WmiMethodId(3), Implemented, read, write, Description("Return the contents of a package")]
52 [WmiMethodId(4), Implemented, read, write, Description("Set the contents of a package")]
55 [WmiMethodId(5), Implemented, read, write, Description("Return the contents of a package")]
58 [WmiMethodId(6), Implemented, read, write, Description("Set the contents of a package")]
[all …]
|
| /linux-6.12.1/drivers/gpu/drm/amd/display/modules/hdcp/ |
| D | hdcp_ddc.c | 152 static enum mod_hdcp_status read(struct mod_hdcp *hdcp, in read() function
211 status = read(hdcp, msg_id, buf + data_offset, cur_size); in read_repeatedly()
274 return read(hdcp, MOD_HDCP_MESSAGE_ID_READ_BKSV, in mod_hdcp_read_bksv()
281 return read(hdcp, MOD_HDCP_MESSAGE_ID_READ_BCAPS, in mod_hdcp_read_bcaps()
291 status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_BSTATUS, in mod_hdcp_read_bstatus()
295 status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_BSTATUS, in mod_hdcp_read_bstatus()
303 return read(hdcp, MOD_HDCP_MESSAGE_ID_READ_RI_R0, in mod_hdcp_read_r0p()
319 status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_KSV_FIFO, in mod_hdcp_read_ksvlist()
329 status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_VH_0, in mod_hdcp_read_vp()
334 status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_VH_1, in mod_hdcp_read_vp()
[all …]
|
| /linux-6.12.1/drivers/gpu/drm/amd/amdgpu/ |
| D | amdgpu_eeprom.c | 93 u8 *eeprom_buf, u32 buf_size, bool read) in __amdgpu_eeprom_xfer() argument
103 .flags = read ? I2C_M_RD : 0, in __amdgpu_eeprom_xfer()
119 if (!read) { in __amdgpu_eeprom_xfer()
155 if (!read) { in __amdgpu_eeprom_xfer()
182 u8 *eeprom_buf, u32 buf_size, bool read) in amdgpu_eeprom_xfer() argument
191 else if (read) in amdgpu_eeprom_xfer()
198 eeprom_buf, buf_size, read); in amdgpu_eeprom_xfer()
203 read ? "read" : "write", EEPROM_OFFSET_SIZE); in amdgpu_eeprom_xfer()
217 eeprom_buf, ps, read); in amdgpu_eeprom_xfer()
|
| /linux-6.12.1/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
|
| /linux-6.12.1/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 …]
|
| /linux-6.12.1/Documentation/ABI/stable/ |
| D | sysfs-bus-nvmem | 6 This read/write attribute allows users to set read-write
7 devices as read-only and back to read-write from userspace.
11 Read returns '0' or '1' for read-write or read-only modes
23 This file allows user to read/write the raw NVMEM contents.
46 This read-only attribute allows user to read the NVMEM
|
| /linux-6.12.1/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 …]
|
| /linux-6.12.1/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-6.12.1/tools/testing/selftests/bpf/prog_tests/ |
| D | ctx_rewrite.c | 46 char *read; member
72 .read = "r11 = *(u8 *)($ctx + sk_buff::__mono_tc_offset);"
90 .read = "$dst = *(u32 *)($ctx + sk_buff::priority);",
95 .read = "$dst = *(u32 *)($ctx + sk_buff::mark);",
100 .read = "$dst = *(u32 *)($ctx + $(sk_buff::cb + qdisc_skb_cb::data));",
105 .read = "$dst = *(u16 *)($ctx + $(sk_buff::cb + qdisc_skb_cb::tc_classid));",
110 .read = "$dst = *(u16 *)($ctx + sk_buff::tc_index);",
115 .read = "$dst = *(u16 *)($ctx + sk_buff::queue_mapping);",
128 .read = "$dst = *(u32 *)($ctx + sock_common::skc_bound_dev_if);",
133 .read = "$dst = *(u32 *)($ctx + sock::sk_mark);",
[all …]
|
| D | user_ringbuf.c | 39 int read; in write_samples() local
51 read = snprintf(entry->comm, sizeof(entry->comm), "%u", i); in write_samples()
52 if (read <= 0) { in write_samples()
56 ASSERT_GT(read, 0, "snprintf_comm"); in write_samples()
57 err = read; in write_samples()
175 ASSERT_EQ(skel->bss->read, 0, "no_reads_after_load"); in load_skel_create_ringbufs()
211 ASSERT_EQ(skel->bss->read, 0, "num_samples_before_bad_sample"); in manually_write_test_invalid_sample()
229 ASSERT_EQ(skel->bss->read, 0, "num_samples_after_bad_sample"); in manually_write_test_invalid_sample()
294 ASSERT_EQ(skel->bss->read, 0, "num_samples_read_before"); in test_user_ringbuf_basic()
300 ASSERT_EQ(skel->bss->read, 2, "num_samples_read_after"); in test_user_ringbuf_basic()
[all …]
|
| /linux-6.12.1/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 …]
|
| /linux-6.12.1/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-6.12.1/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,
187 // XXX for simplicity require no .{read/write}_iter and no .splice_{read/write} for now.
201 // read & write
212 .read = readstream,
231 …"ERROR: %s: .read() can deadlock .write(); change nonseekable_open -> stream_open to fix." % (fops…
238 …"WARNING: %s: .read() and .write() have stream semantic; safe to change nonseekable_open -> stream…
247 + nonseekable_open /* read & write (was deadlock) */
[all …]
|
| /linux-6.12.1/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.
|
| /linux-6.12.1/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 …]
|
| /linux-6.12.1/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 …]
|
| /linux-6.12.1/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()
|