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Searched refs:read_len (Results 1 – 25 of 49) sorted by relevance

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/linux/drivers/hid/intel-thc-hid/intel-quicki2c/
H A Dquicki2c-protocol.c100 u32 read_len = 0; in quicki2c_get_device_descriptor() local
105 &read_len, (u32 *)&qcdev->dev_desc); in quicki2c_get_device_descriptor()
106 if (ret || HIDI2C_DEV_DESC_LEN != read_len) { in quicki2c_get_device_descriptor()
108 ret, read_len); in quicki2c_get_device_descriptor()
121 size_t read_len = le16_to_cpu(qcdev->dev_desc.report_desc_len); in quicki2c_get_report_descriptor() local
122 u32 prd_len = read_len; in quicki2c_get_report_descriptor()
125 &prd_len, qcdev->report_descriptor, &read_len); in quicki2c_get_report_descriptor()
132 size_t write_buf_len, read_len = 0; in quicki2c_get_report() local
158 NULL, rpt, &read_len); in quicki2c_get_report()
161 ret, read_len, buf_le in quicki2c_get_report()
205 size_t read_len = HIDI2C_LENGTH_LEN; quicki2c_reset() local
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/linux/drivers/hid/intel-thc-hid/intel-quickspi/
H A Dquickspi-protocol.c53 u32 input_len, read_len = 0; in quickspi_get_device_descriptor() local
92 input_len, &read_len, (u32 *)read_buf); in quickspi_get_device_descriptor()
93 if (ret || read_len != input_len) { in quickspi_get_device_descriptor()
96 input_len, read_len); in quickspi_get_device_descriptor()
274 u32 actual_read_len, read_len = 0; in reset_tic() local
305 read_len = input_report_len * sizeof(u32); in reset_tic()
306 if (read_len != HIDSPI_INPUT_BODY_SIZE(0)) { in reset_tic()
308 read_len); in reset_tic()
316 read_len, &actual_read_len, in reset_tic()
318 if (ret || actual_read_len != read_len) { in reset_tic()
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/linux/drivers/net/wireless/st/cw1200/
H A Dbh.c236 size_t read_len = 0; in cw1200_bh_rx_helper() local
247 read_len = (*ctrl_reg & ST90TDS_CONT_NEXT_LEN_MASK) * 2; in cw1200_bh_rx_helper()
248 if (!read_len) in cw1200_bh_rx_helper()
251 if (WARN_ON((read_len < sizeof(struct wsm_hdr)) || in cw1200_bh_rx_helper()
252 (read_len > EFFECTIVE_BUF_SIZE))) { in cw1200_bh_rx_helper()
254 read_len, *ctrl_reg); in cw1200_bh_rx_helper()
261 read_len = read_len + 2; in cw1200_bh_rx_helper()
264 priv->hwbus_priv, read_len); in cw1200_bh_rx_helper()
277 skb_put(skb_rx, read_len); in cw1200_bh_rx_helper()
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/linux/drivers/iio/imu/st_lsm6dsx/
H A Dst_lsm6dsx_buffer.c348 unsigned int word_len, read_len = 0; in st_lsm6dsx_read_block() local
351 while (read_len < data_len) { in st_lsm6dsx_read_block()
352 word_len = min_t(unsigned int, data_len - read_len, in st_lsm6dsx_read_block()
354 err = st_lsm6dsx_read_locked(hw, addr, data + read_len, in st_lsm6dsx_read_block()
358 read_len += word_len; in st_lsm6dsx_read_block()
376 int err, sip, acc_sip, gyro_sip, ts_sip, ext_sip, read_len, offset; in st_lsm6dsx_read_fifo() local
407 for (read_len = 0; read_len < fifo_len; read_len += pattern_len) { in st_lsm6dsx_read_fifo()
531 return read_len; in st_lsm6dsx_read_fifo()
610 int i, err, read_len; st_lsm6dsx_read_tagged_fifo() local
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/linux/drivers/crypto/caam/
H A Dcaamrng.c179 int read_len; in test_len() local
186 read_len = rng->read(rng, buf, len, wait); in test_len()
188 if (read_len < 0 || (read_len == 0 && wait)) { in test_len()
190 read_len); in test_len()
197 buf, read_len, 1); in test_len()
199 len = len - read_len; in test_len()
/linux/tools/perf/util/
H A Dhwmon_pmu.c287 ssize_t read_len; in hwmon_pmu__read_events() local
292 read_len = read(fd, buf, sizeof(buf)); in hwmon_pmu__read_events()
294 while (read_len > 0 && buf[read_len - 1] == '\n') in hwmon_pmu__read_events()
295 read_len--; in hwmon_pmu__read_events()
297 if (read_len > 0) in hwmon_pmu__read_events()
298 buf[read_len] = '\0'; in hwmon_pmu__read_events()
435 ssize_t read_len = read(fd, buf, sizeof(buf)); in hwmon_pmu__describe_items() local
437 while (read_len > 0 && buf[read_len in hwmon_pmu__describe_items()
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/linux/drivers/net/wireless/silabs/wfx/
H A Dbh.c63 static int rx_helper(struct wfx_dev *wdev, size_t read_len, int *is_cnf) in rx_helper() argument
72 WARN(read_len > round_down(0xFFF, 2) * sizeof(u16), "request exceed the chip capability"); in rx_helper()
75 alloc_len = wdev->hwbus_ops->align_size(wdev->hwbus_priv, read_len + 2); in rx_helper()
88 if (WARN(read_len < sizeof(struct wfx_hif_msg), "corrupted read")) in rx_helper()
92 if (computed_len != read_len) { in rx_helper()
94 computed_len, read_len); in rx_helper()
96 hif, read_len, true); in rx_helper()
/linux/drivers/i2c/busses/
H A Di2c-cp2615.c53 u8 tag, i2caddr, read_len, write_len; member
61 /* read_len or write_len out of range */
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_xfer()
232 i2c_w.read_len = 0; in cp2615_i2c_xfer()
260 * the I2C transfer. On top of that, EITHER read_len OR write_len
/linux/tools/testing/selftests/cachestat/
H A Dtest_cachestat.c65 ssize_t read_len = read(random_fd, cursor, remained); in write_exactly() local
67 if (read_len <= 0) { in write_exactly()
73 remained -= read_len; in write_exactly()
74 cursor += read_len; in write_exactly()
/linux/mm/
H A Dshrinker_debug.c109 unsigned long nr_to_scan = 0, ino, read_len; in shrinker_debugfs_scan_write() local
117 read_len = min(size, sizeof(kbuf) - 1); in shrinker_debugfs_scan_write()
118 if (copy_from_user(kbuf, buf, read_len)) in shrinker_debugfs_scan_write()
120 kbuf[read_len] = '\0'; in shrinker_debugfs_scan_write()
/linux/drivers/iio/adc/
H A 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()
/linux/drivers/hid/intel-thc-hid/intel-thc/
H A Dintel-thc-dma.h147 void *read_buff, size_t *read_len, int *read_finished);
149 u32 *prd_tbl_len, void *read_buff, size_t *read_len);
H A Dintel-thc-dma.c625 void *read_buff, size_t *read_len, int *read_finished) in thc_dma_read() argument
639 *read_len = status; in thc_dma_read()
665 * @read_len: The pointer of the read data length
671 void *read_buff, size_t *read_len, int *read_finished) in thc_rxdma_read() argument
683 if (!read_buff || !read_len) { in thc_rxdma_read()
684 dev_err(dev->dev, "Invalid input parameters, read_buff %p, read_len %p\n", in thc_rxdma_read()
685 read_buff, read_len); in thc_rxdma_read()
694 ret = thc_dma_read(dev, dma_config, read_buff, read_len, read_finished); in thc_rxdma_read()
814 * @read_len: The pointer of the read data length
819 u32 *prd_tbl_len, void *read_buff, size_t *read_len) in thc_swdma_read() argument
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/linux/drivers/input/mouse/
H A 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()
H A 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/kernel/kcsan/
H A Ddebugfs.c225 const size_t read_len = min(count, sizeof(kbuf) - 1); in debugfs_write() local
227 if (copy_from_user(kbuf, buf, read_len)) in debugfs_write()
229 kbuf[read_len] = '\0'; in debugfs_write()
/linux/drivers/fsi/
H A Dfsi-core.c561 size_t total_len, read_len; in fsi_slave_sysfs_raw_read() local
570 for (total_len = 0; total_len < count; total_len += read_len) { in fsi_slave_sysfs_raw_read()
571 read_len = aligned_access_size(off, count - total_len); in fsi_slave_sysfs_raw_read()
573 rc = fsi_slave_read(slave, off, buf + total_len, read_len); in fsi_slave_sysfs_raw_read()
577 off += read_len; in fsi_slave_sysfs_raw_read()
664 size_t total_len, read_len; in cfam_read() local
674 for (total_len = 0; total_len < count; total_len += read_len) { in cfam_read()
677 read_len = min_t(size_t, count, 4); in cfam_read()
678 read_len -= off & 0x3; in cfam_read()
680 rc = fsi_slave_read(slave, off, &data, read_len); in cfam_read()
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/linux/drivers/media/usb/dvb-usb/
H A Dttusb2.c120 static int tt3650_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 static int tt3650_ci_msg_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()
H A Dpctv452e.c109 unsigned int write_len, unsigned int read_len) in tt3650_ci_msg() argument
117 if (!data || (write_len > 64 - 4) || (read_len > 64 - 4)) { in tt3650_ci_msg()
135 rlen = (read_len > 0) ? 64 : 0; in tt3650_ci_msg()
145 memcpy(data, buf + 4, read_len); in tt3650_ci_msg()
160 unsigned int read_len) in tt3650_ci_msg_locked() argument
167 ret = tt3650_ci_msg(d, cmd, data, write_len, read_len); in tt3650_ci_msg_locked()
/linux/drivers/input/touchscreen/
H A Dilitek_ts_i2c.c95 u8 *data, int read_len) in ilitek_i2c_write_and_read() argument
109 .len = read_len, in ilitek_i2c_write_and_read()
114 if (delay == 0 && write_len > 0 && read_len > 0) { in ilitek_i2c_write_and_read()
127 if (read_len > 0) { in ilitek_i2c_write_and_read()
/linux/drivers/md/
H A Draid1.c599 int read_len; in choose_first_rdev() local
609 read_len = raid1_check_read_range(rdev, this_sector, &len); in choose_first_rdev()
610 if (read_len > 0) { in choose_first_rdev()
611 update_read_sectors(conf, disk, this_sector, read_len); in choose_first_rdev()
612 *max_sectors = read_len; in choose_first_rdev()
637 int read_len; in choose_bb_rdev() local
650 read_len = raid1_check_read_range(rdev, this_sector, &len); in choose_bb_rdev()
651 if (read_len > best_len) { in choose_bb_rdev()
653 best_len = read_len; in choose_bb_rdev()
676 int read_len; in choose_slow_rdev() local
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/linux/include/uapi/linux/
H A Dtarget_core_user.h128 __u32 read_len; member
/linux/drivers/gpu/drm/sun4i/
H A 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/drivers/target/
H A Dtarget_core_user.c784 bool bidi, uint32_t read_len) in gather_data_area() argument
807 data_nents, NULL, read_len); in gather_data_area()
1327 uint32_t read_len; in tcmu_handle_completion() local
1356 read_len = se_cmd->data_length; in tcmu_handle_completion()
1358 (entry->hdr.uflags & TCMU_UFLAG_READ_LEN) && entry->rsp.read_len) { in tcmu_handle_completion()
1360 if (entry->rsp.read_len < read_len) in tcmu_handle_completion()
1361 read_len = entry->rsp.read_len; in tcmu_handle_completion()
1373 gather_data_area(udev, cmd, true, read_len); in tcmu_handle_completion()
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/linux/fs/ceph/
H A Dfile.c1093 u64 read_len = len; in __ceph_sync_read() local
1097 ceph_fscrypt_adjust_off_and_len(inode, &read_off, &read_len); in __ceph_sync_read()
1100 read_off, read_len); in __ceph_sync_read()
1103 ci->i_vino, read_off, &read_len, 0, 1, in __ceph_sync_read()
1115 if (off + len > read_off + read_len) in __ceph_sync_read()
1116 len = read_off + read_len - off; in __ceph_sync_read()
1121 extent_cnt = __ceph_sparse_read_ext_count(inode, read_len); in __ceph_sync_read()
1129 num_pages = calc_pages_for(read_off, read_len); in __ceph_sync_read()
1138 osd_req_op_extent_osd_data_pages(req, 0, pages, read_len, in __ceph_sync_read()
1148 read_len, re in __ceph_sync_read()
1796 u64 read_len = CEPH_FSCRYPT_BLOCK_SIZE; ceph_sync_write() local
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