/linux/drivers/rtc/ |
H A 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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H A 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/Documentation/userspace-api/media/v4l/ |
H A 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/Documentation/driver-api/mmc/ |
H A 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 …]
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/linux/Documentation/wmi/devices/ |
H A 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 …]
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/linux/Documentation/ABI/testing/ |
H A 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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H A 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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H A 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 …]
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H A 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 …]
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H A 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/drivers/gpu/drm/amd/display/modules/hdcp/ |
H A 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 …]
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/linux/arch/parisc/kernel/ |
H A 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/Documentation/admin-guide/ |
H A 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/Documentation/filesystems/spufs/ |
H A 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/Documentation/ABI/stable/ |
H A 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
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/linux/tools/testing/selftests/bpf/prog_tests/ |
H A 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 …]
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H A 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 …]
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/linux/drivers/crypto/inside-secure/ |
H A 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/Documentation/userspace-api/media/rc/ |
H A 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
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/linux/scripts/coccinelle/api/ |
H A 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 …]
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/linux/include/trace/events/ |
H A 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",
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/linux/Documentation/block/ |
H A 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/Documentation/hwmon/ |
H A 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/drivers/gpio/ |
H A 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/include/sound/ |
H A 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 139 void (*read)(struct snd_info_entry *, struct snd_info_buffer *)) in snd_info_set_text_ops() 142 entry->c.text.read = read; in snd_info_set_text_ops() 147 void (*read)(struct snd_info_entry *, 180 void (*read)(struct snd_info_entry *, struct snd_info_buffer *)) {} in snd_info_set_text_ops() 183 void (*read)(struct snd_info_entry *, in snd_card_rw_proc_new() 207 void (*read)(struct snd_info_entry *, in snd_card_ro_proc_new() 210 return snd_card_rw_proc_new(card, name, private_data, read, NULL); in snd_card_ro_proc_new()
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