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Searched refs:read_len (Results 1 – 25 of 43) sorted by relevance

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/Linux-v5.15/tools/testing/selftests/arm64/mte/
Dcheck_user_mem.c26 size_t len, read_len; in check_usermem_access_fault() local
46 read_len = read(fd, ptr, len); in check_usermem_access_fault()
48 if (cur_mte_cxt.fault_valid || read_len < len) in check_usermem_access_fault()
64 read_len = read(fd, ptr, len); in check_usermem_access_fault()
72 !cur_mte_cxt.fault_valid && read_len < len) { in check_usermem_access_fault()
75 !cur_mte_cxt.fault_valid && read_len == len) { in check_usermem_access_fault()
/Linux-v5.15/drivers/iio/imu/st_lsm6dsx/
Dst_lsm6dsx_buffer.c325 unsigned int word_len, read_len = 0; in st_lsm6dsx_read_block() local
328 while (read_len < data_len) { in st_lsm6dsx_read_block()
329 word_len = min_t(unsigned int, data_len - read_len, in st_lsm6dsx_read_block()
331 err = st_lsm6dsx_read_locked(hw, addr, data + read_len, in st_lsm6dsx_read_block()
335 read_len += word_len; in st_lsm6dsx_read_block()
353 int err, sip, acc_sip, gyro_sip, ts_sip, ext_sip, read_len, offset; in st_lsm6dsx_read_fifo() local
381 for (read_len = 0; read_len < fifo_len; read_len += pattern_len) { in st_lsm6dsx_read_fifo()
491 return read_len; in st_lsm6dsx_read_fifo()
570 int i, err, read_len; in st_lsm6dsx_read_tagged_fifo() local
589 for (read_len = 0; read_len < fifo_len; read_len += pattern_len) { in st_lsm6dsx_read_tagged_fifo()
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/Linux-v5.15/drivers/net/wireless/st/cw1200/
Dbh.c238 size_t read_len = 0; in cw1200_bh_rx_helper() local
249 read_len = (*ctrl_reg & ST90TDS_CONT_NEXT_LEN_MASK) * 2; in cw1200_bh_rx_helper()
250 if (!read_len) in cw1200_bh_rx_helper()
253 if (WARN_ON((read_len < sizeof(struct wsm_hdr)) || in cw1200_bh_rx_helper()
254 (read_len > EFFECTIVE_BUF_SIZE))) { in cw1200_bh_rx_helper()
256 read_len, *ctrl_reg); in cw1200_bh_rx_helper()
263 read_len = read_len + 2; in cw1200_bh_rx_helper()
266 priv->hwbus_priv, read_len); in cw1200_bh_rx_helper()
279 skb_put(skb_rx, read_len); in cw1200_bh_rx_helper()
295 if (WARN_ON(wsm_len > read_len)) in cw1200_bh_rx_helper()
/Linux-v5.15/drivers/staging/wfx/
Dbh.c65 static int rx_helper(struct wfx_dev *wdev, size_t read_len, int *is_cnf) in rx_helper() argument
74 WARN(read_len > round_down(0xFFF, 2) * sizeof(u16), in rx_helper()
78 alloc_len = wdev->hwbus_ops->align_size(wdev->hwbus_priv, read_len + 2); in rx_helper()
91 if (WARN(read_len < sizeof(struct hif_msg), "corrupted read")) in rx_helper()
95 if (computed_len != read_len) { in rx_helper()
97 computed_len, read_len); in rx_helper()
99 hif, read_len, true); in rx_helper()
/Linux-v5.15/drivers/i2c/busses/
Di2c-cp2615.c53 u8 tag, i2caddr, read_len, write_len; member
75 u8 read_len; member
165 memcpy(buf, &i2c_r->data, i2c_r->read_len); in cp2615_i2c_recv()
229 i2c_w.read_len = msg->len; in cp2615_i2c_master_xfer()
232 i2c_w.read_len = 0; in cp2615_i2c_master_xfer()
/Linux-v5.15/drivers/iio/adc/
Dbcm_iproc_adc.c228 int read_len = 0; in iproc_adc_do_read() local
309 read_len = -EIO; in iproc_adc_do_read()
320 read_len = sizeof(*p_adc_data); in iproc_adc_do_read()
329 read_len = -ETIMEDOUT; in iproc_adc_do_read()
334 return read_len; in iproc_adc_do_read()
349 return read_len; in iproc_adc_do_read()
Dmeson_saradc.c705 size_t read_len; in meson_sar_adc_temp_sensor_init() local
733 read_len = MESON_SAR_ADC_EFUSE_BYTES; in meson_sar_adc_temp_sensor_init()
734 buf = nvmem_cell_read(temperature_calib, &read_len); in meson_sar_adc_temp_sensor_init()
739 } else if (read_len != MESON_SAR_ADC_EFUSE_BYTES) { in meson_sar_adc_temp_sensor_init()
/Linux-v5.15/drivers/input/mouse/
Dcyapa_gen6.c561 u16 read_offset, u16 read_len, u8 data_id, in cyapa_pip_retrieve_data_structure() argument
580 put_unaligned_le16(read_len, &cmd.read_length); in cyapa_pip_retrieve_data_structure()
594 read_len = get_unaligned_le16(&resp_data[7]); in cyapa_pip_retrieve_data_structure()
595 if (*data_buf_lens < read_len) { in cyapa_pip_retrieve_data_structure()
596 *data_buf_lens = read_len; in cyapa_pip_retrieve_data_structure()
600 memcpy(data, &resp_data[10], read_len); in cyapa_pip_retrieve_data_structure()
601 *data_buf_lens = read_len; in cyapa_pip_retrieve_data_structure()
Dcyapa_gen5.c1941 int read_len; in cyapa_gen5_read_idac_data() local
2017 read_len = read_elements * (*data_size); in cyapa_gen5_read_idac_data()
2020 put_unaligned_le16(read_len, &cmd_head->parameter_data[2]); in cyapa_gen5_read_idac_data()
2022 resp_len = GEN5_RESP_DATA_STRUCTURE_OFFSET + read_len; in cyapa_gen5_read_idac_data()
2033 read_len = get_unaligned_le16(&resp_data[7]); in cyapa_gen5_read_idac_data()
2034 if (read_len == 0) in cyapa_gen5_read_idac_data()
2038 if (read_len < *data_size) in cyapa_gen5_read_idac_data()
2058 offset += read_len; in cyapa_gen5_read_idac_data()
2059 for (i = 10; i < (read_len + GEN5_RESP_DATA_STRUCTURE_OFFSET); in cyapa_gen5_read_idac_data()
2217 int read_len; in cyapa_gen5_read_panel_scan_raw_data() local
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/Linux-v5.15/kernel/kcsan/
Ddebugfs.c228 int read_len = count < (sizeof(kbuf) - 1) ? count : (sizeof(kbuf) - 1); in debugfs_write() local
230 if (copy_from_user(kbuf, buf, read_len)) in debugfs_write()
232 kbuf[read_len] = '\0'; in debugfs_write()
/Linux-v5.15/drivers/fsi/
Dfsi-core.c583 size_t total_len, read_len; in fsi_slave_sysfs_raw_read() local
592 for (total_len = 0; total_len < count; total_len += read_len) { in fsi_slave_sysfs_raw_read()
593 read_len = aligned_access_size(off, count - total_len); in fsi_slave_sysfs_raw_read()
595 rc = fsi_slave_read(slave, off, buf + total_len, read_len); in fsi_slave_sysfs_raw_read()
599 off += read_len; in fsi_slave_sysfs_raw_read()
698 size_t total_len, read_len; in cfam_read() local
708 for (total_len = 0; total_len < count; total_len += read_len) { in cfam_read()
711 read_len = min_t(size_t, count, 4); in cfam_read()
712 read_len -= off & 0x3; in cfam_read()
714 rc = fsi_slave_read(slave, off, &data, read_len); in cfam_read()
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/Linux-v5.15/drivers/i3c/master/
Dsvc-i3c-master.c132 unsigned int read_len; member
920 unsigned int read_len, bool continued) in svc_i3c_master_xfer() argument
930 SVC_I3C_MCTRL_RDTERM(read_len), in svc_i3c_master_xfer()
1015 cmd->len, cmd->read_len, in svc_i3c_master_start_xfer_locked()
1091 cmd->read_len = 0; in svc_i3c_master_send_bdcast_ccc_cmd()
1109 unsigned int read_len = ccc->rnw ? xfer_len : 0; in svc_i3c_master_send_direct_ccc_cmd() local
1127 cmd->read_len = 0; in svc_i3c_master_send_direct_ccc_cmd()
1137 cmd->read_len = read_len; in svc_i3c_master_send_direct_ccc_cmd()
1186 cmd->read_len = xfers[i].rnw ? xfers[i].len : 0; in svc_i3c_master_priv_xfers()
1224 cmd->read_len = cmd->rnw ? xfers[i].len : 0; in svc_i3c_master_i2c_xfers()
/Linux-v5.15/drivers/media/usb/dvb-usb/
Dttusb2.c120 …0_ci_msg(struct dvb_usb_device *d, u8 cmd, u8 *data, unsigned int write_len, unsigned int read_len) in tt3650_ci_msg() argument
124 ret = ttusb2_msg(d, cmd, data, write_len, rx, read_len); in tt3650_ci_msg()
126 memcpy(data, rx, read_len); in tt3650_ci_msg()
130 …_locked(struct dvb_ca_en50221 *ca, u8 cmd, u8 *data, unsigned int write_len, unsigned int read_len) in tt3650_ci_msg_locked() argument
137 ret = tt3650_ci_msg(d, cmd, data, write_len, read_len); in tt3650_ci_msg_locked()
Dpctv452e.c107 unsigned int write_len, unsigned int read_len) in tt3650_ci_msg() argument
115 if (!data || (write_len > 64 - 4) || (read_len > 64 - 4)) { in tt3650_ci_msg()
133 rlen = (read_len > 0) ? 64 : 0; in tt3650_ci_msg()
143 memcpy(data, buf + 4, read_len); in tt3650_ci_msg()
158 unsigned int read_len) in tt3650_ci_msg_locked() argument
165 ret = tt3650_ci_msg(d, cmd, data, write_len, read_len); in tt3650_ci_msg_locked()
/Linux-v5.15/drivers/input/touchscreen/
Dilitek_ts_i2c.c94 u8 *data, int read_len) in ilitek_i2c_write_and_read() argument
108 .len = read_len, in ilitek_i2c_write_and_read()
113 if (delay == 0 && write_len > 0 && read_len > 0) { in ilitek_i2c_write_and_read()
126 if (read_len > 0) { in ilitek_i2c_write_and_read()
/Linux-v5.15/drivers/net/ethernet/netronome/nfp/nfpcore/
Dnfp_nsp.c1065 unsigned int len, unsigned int *read_len) in nfp_nsp_read_module_eeprom() argument
1093 *read_len = min_t(unsigned int, len, le16_to_cpu(buf->readlen)); in nfp_nsp_read_module_eeprom()
1094 if (*read_len) in nfp_nsp_read_module_eeprom()
1095 memcpy(data, buf->data, *read_len); in nfp_nsp_read_module_eeprom()
1097 if (!ret && *read_len < len) in nfp_nsp_read_module_eeprom()
Dnfp_nsp.h31 unsigned int len, unsigned int *read_len);
/Linux-v5.15/drivers/spi/
Dspi-cadence-quadspi.c517 size_t read_len; in cqspi_command_read() local
566 read_len = (n_rx > 4) ? 4 : n_rx; in cqspi_command_read()
567 memcpy(rxbuf, &reg, read_len); in cqspi_command_read()
568 rxbuf += read_len; in cqspi_command_read()
573 read_len = n_rx - read_len; in cqspi_command_read()
574 memcpy(rxbuf, &reg, read_len); in cqspi_command_read()
/Linux-v5.15/include/uapi/linux/
Dtarget_core_user.h128 __u32 read_len; member
/Linux-v5.15/drivers/gpu/drm/sun4i/
Dsun4i_hdmi_i2c.c40 int read_len = RX_THRESHOLD + in fifo_transfer() local
47 len = min_t(int, len, read ? read_len : SUN4I_HDMI_DDC_FIFO_SIZE); in fifo_transfer()
/Linux-v5.15/drivers/target/
Dtarget_core_user.c782 bool bidi, uint32_t read_len) in gather_data_area() argument
805 data_nents, NULL, read_len); in gather_data_area()
1326 uint32_t read_len; in tcmu_handle_completion() local
1355 read_len = se_cmd->data_length; in tcmu_handle_completion()
1357 (entry->hdr.uflags & TCMU_UFLAG_READ_LEN) && entry->rsp.read_len) { in tcmu_handle_completion()
1359 if (entry->rsp.read_len < read_len) in tcmu_handle_completion()
1360 read_len = entry->rsp.read_len; in tcmu_handle_completion()
1372 gather_data_area(udev, cmd, true, read_len); in tcmu_handle_completion()
1374 gather_data_area(udev, cmd, false, read_len); in tcmu_handle_completion()
1385 pr_debug("read_len = %d\n", read_len); in tcmu_handle_completion()
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/Linux-v5.15/drivers/media/usb/pvrusb2/
Dpvrusb2-hdw.h235 void *read_ptr,unsigned int read_len);
Dpvrusb2-hdw.c333 void *read_data,unsigned int read_len);
3576 void *read_data,unsigned int read_len) in pvr2_send_request_ex() argument
3604 if (!read_data) read_len = 0; in pvr2_send_request_ex()
3612 if (read_len > PVR2_CTL_BUFFSIZE) { in pvr2_send_request_ex()
3619 if ((!write_len) && (!read_len)) { in pvr2_send_request_ex()
3633 hdw->cmd_debug_read_len = read_len; in pvr2_send_request_ex()
3677 if (read_len) { in pvr2_send_request_ex()
3679 memset(hdw->ctl_read_buffer,0x43,read_len); in pvr2_send_request_ex()
3686 read_len, in pvr2_send_request_ex()
3760 if (read_len && read_data) { in pvr2_send_request_ex()
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/Linux-v5.15/fs/
Dsplice.c867 size_t read_len; in splice_direct_to_actor() local
874 read_len = ret; in splice_direct_to_actor()
875 sd->total_len = read_len; in splice_direct_to_actor()
882 if (read_len < len) in splice_direct_to_actor()
901 if (ret < read_len) { in splice_direct_to_actor()
/Linux-v5.15/include/linux/i3c/
Dccc.h92 __be16 read_len; member

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