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Searched refs:read_buf (Results 1 – 25 of 77) sorted by relevance

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/Linux-v4.19/drivers/media/v4l2-core/
Dvideobuf-core.c201 if (q->read_buf) { in videobuf_queue_is_busy()
799 q->read_buf = videobuf_alloc_vb(q); in videobuf_read_zerocopy()
800 if (NULL == q->read_buf) in videobuf_read_zerocopy()
803 q->read_buf->memory = V4L2_MEMORY_USERPTR; in videobuf_read_zerocopy()
804 q->read_buf->baddr = (unsigned long)data; in videobuf_read_zerocopy()
805 q->read_buf->bsize = count; in videobuf_read_zerocopy()
808 retval = q->ops->buf_prepare(q, q->read_buf, field); in videobuf_read_zerocopy()
814 q->ops->buf_queue(q, q->read_buf); in videobuf_read_zerocopy()
816 retval = videobuf_waiton(q, q->read_buf, 0, 0); in videobuf_read_zerocopy()
818 CALL(q, sync, q, q->read_buf); in videobuf_read_zerocopy()
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/Linux-v4.19/fs/nfs/
Dcallback_xdr.c75 static __be32 *read_buf(struct xdr_stream *xdr, size_t nbytes) in read_buf() function
101 p = read_buf(xdr, 4); in decode_fh()
107 p = read_buf(xdr, fh->size); in decode_fh()
120 p = read_buf(xdr, 4); in decode_bitmap()
124 p = read_buf(xdr, attrlen << 2); in decode_bitmap()
138 p = read_buf(xdr, NFS4_STATEID_SIZE); in decode_stateid()
159 p = read_buf(xdr, 12); in decode_compound_hdr_arg()
179 p = read_buf(xdr, 4); in decode_op_hdr()
208 p = read_buf(xdr, 4); in decode_recall_args()
230 p = read_buf(xdr, 4 * sizeof(uint32_t)); in decode_layoutrecall_args()
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/Linux-v4.19/drivers/net/usb/
Dsmsc95xx.c676 u32 read_buf; in smsc95xx_set_features() local
679 ret = smsc95xx_read_reg(dev, COE_CR, &read_buf); in smsc95xx_set_features()
684 read_buf |= Tx_COE_EN_; in smsc95xx_set_features()
686 read_buf &= ~Tx_COE_EN_; in smsc95xx_set_features()
689 read_buf |= Rx_COE_EN_; in smsc95xx_set_features()
691 read_buf &= ~Rx_COE_EN_; in smsc95xx_set_features()
693 ret = smsc95xx_write_reg(dev, COE_CR, read_buf); in smsc95xx_set_features()
697 netif_dbg(dev, hw, dev->net, "COE_CR = 0x%08x\n", read_buf); in smsc95xx_set_features()
1037 u32 read_buf, write_buf, burst_cap; in smsc95xx_reset() local
1049 ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf); in smsc95xx_reset()
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/Linux-v4.19/fs/nfsd/
Dfault_inject.c33 char read_buf[25]; in fault_inject_read() local
40 size = scnprintf(read_buf, sizeof(read_buf), "%llu\n", val); in fault_inject_read()
42 return simple_read_from_buffer(buf, len, ppos, read_buf, size); in fault_inject_read()
/Linux-v4.19/drivers/leds/
Dleds-lm3692x.c148 unsigned int read_buf; in lm3692x_fault_check() local
150 ret = regmap_read(led->regmap, LM3692X_FAULT_FLAGS, &read_buf); in lm3692x_fault_check()
154 if (read_buf) in lm3692x_fault_check()
155 dev_err(&led->client->dev, "Detected a fault 0x%X\n", read_buf); in lm3692x_fault_check()
160 regmap_read(led->regmap, LM3692X_FAULT_FLAGS, &read_buf); in lm3692x_fault_check()
161 if (read_buf) in lm3692x_fault_check()
163 read_buf); in lm3692x_fault_check()
165 return read_buf; in lm3692x_fault_check()
Dleds-lp8860.c188 unsigned int read_buf; in lp8860_fault_check() local
190 ret = regmap_read(led->regmap, LP8860_LED_FAULT, &read_buf); in lp8860_fault_check()
194 fault = read_buf; in lp8860_fault_check()
196 ret = regmap_read(led->regmap, LP8860_FAULT, &read_buf); in lp8860_fault_check()
200 fault |= read_buf; in lp8860_fault_check()
246 unsigned int read_buf; in lp8860_init() local
265 ret = regmap_read(led->regmap, LP8860_STATUS, &read_buf); in lp8860_init()
/Linux-v4.19/drivers/input/misc/
Ddrv2667.c137 unsigned int read_buf; in drv2667_set_waveform_freq() local
151 error = regmap_read(haptics->regmap, DRV2667_PAGE, &read_buf); in drv2667_set_waveform_freq()
158 if (read_buf == DRV2667_PAGE_0 || in drv2667_set_waveform_freq()
159 haptics->page != read_buf) { in drv2667_set_waveform_freq()
175 if (read_buf == DRV2667_PAGE_0 || in drv2667_set_waveform_freq()
176 haptics->page != read_buf) { in drv2667_set_waveform_freq()
177 error = regmap_write(haptics->regmap, DRV2667_PAGE, read_buf); in drv2667_set_waveform_freq()
Ddrv2665.c88 unsigned int read_buf; in drv2665_worker() local
91 error = regmap_read(haptics->regmap, DRV2665_STATUS, &read_buf); in drv2665_worker()
98 if (read_buf & DRV2665_FIFO_EMPTY) { in drv2665_worker()
Dims-pcu.c97 u8 read_buf[IMS_PCU_BUF_SIZE]; member
415 u32 data = get_unaligned_be32(&pcu->read_buf[3]); in ims_pcu_report_events()
424 switch (pcu->read_buf[0]) { in ims_pcu_handle_response()
436 if (pcu->read_buf[0] == pcu->expected_response && in ims_pcu_handle_response()
437 pcu->read_buf[1] == pcu->ack_id - 1) { in ims_pcu_handle_response()
439 memcpy(pcu->cmd_buf, pcu->read_buf, pcu->read_pos); in ims_pcu_handle_response()
460 pcu->read_buf[pcu->read_pos++] = data; in ims_pcu_process_data()
500 pcu->read_buf[pcu->read_pos++] = data; in ims_pcu_process_data()
/Linux-v4.19/samples/mei/
Dmei-amt-version.c369 uint8_t **read_buf, uint32_t rcmd, in amt_host_if_call() argument
379 *read_buf = (uint8_t *)malloc(sizeof(uint8_t) * in_buf_sz); in amt_host_if_call()
380 if (*read_buf == NULL) in amt_host_if_call()
382 memset(*read_buf, 0, in_buf_sz); in amt_host_if_call()
383 msg_hdr = (struct amt_host_if_resp_header *)*read_buf; in amt_host_if_call()
390 out_buf_sz = mei_recv_msg(&acmd->mei_cl, *read_buf, in_buf_sz, 2000); in amt_host_if_call()
/Linux-v4.19/drivers/platform/chrome/
Dcros_ec_debugfs.c219 char read_buf[EC_USB_PD_MAX_PORTS * 40], *p = read_buf; in cros_ec_pdinfo_read() local
256 p += scnprintf(p, sizeof(read_buf) + read_buf - p, in cros_ec_pdinfo_read()
263 read_buf, p - read_buf); in cros_ec_pdinfo_read()
/Linux-v4.19/drivers/platform/x86/
Dintel_telemetry_pltdrv.c597 u32 read_buf, events, event_regs; in telemetry_setup() local
601 NULL, 0, &read_buf, IOSS_TELEM_READ_WORD); in telemetry_setup()
608 events = (read_buf & TELEM_INFO_SRAMEVTS_MASK) >> in telemetry_setup()
610 event_regs = read_buf & TELEM_INFO_NENABLES_MASK; in telemetry_setup()
619 telm_conf->ioss_config.min_period = TELEM_MIN_PERIOD(read_buf); in telemetry_setup()
620 telm_conf->ioss_config.max_period = TELEM_MAX_PERIOD(read_buf); in telemetry_setup()
624 NULL, &read_buf); in telemetry_setup()
631 events = (read_buf & TELEM_INFO_SRAMEVTS_MASK) >> in telemetry_setup()
633 event_regs = read_buf & TELEM_INFO_SRAMEVTS_MASK; in telemetry_setup()
642 telm_conf->pss_config.min_period = TELEM_MIN_PERIOD(read_buf); in telemetry_setup()
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/Linux-v4.19/drivers/net/wireless/rsi/
Drsi_91x_sdio.c651 u32 *read_buf, u16 size) in rsi_sdio_master_reg_read() argument
689 *read_buf = *data; in rsi_sdio_master_reg_read()
691 *read_buf = (*data >> 16); in rsi_sdio_master_reg_read()
692 *read_buf = (*read_buf & 0xFFFF); in rsi_sdio_master_reg_read()
695 *read_buf = *data; in rsi_sdio_master_reg_read()
697 *read_buf = (*data >> 8); in rsi_sdio_master_reg_read()
699 *read_buf = (*data >> 16); in rsi_sdio_master_reg_read()
701 *read_buf = (*data >> 24); in rsi_sdio_master_reg_read()
702 *read_buf = (*read_buf & 0xFF); in rsi_sdio_master_reg_read()
704 *read_buf = *data; in rsi_sdio_master_reg_read()
/Linux-v4.19/security/tomoyo/
Daudit.c436 kfree(head->read_buf); in tomoyo_read_log()
437 head->read_buf = NULL; in tomoyo_read_log()
447 head->read_buf = ptr->log; in tomoyo_read_log()
448 head->r.w[head->r.w_pos++] = head->read_buf; in tomoyo_read_log()
Dcommon.c285 len = vsnprintf(head->read_buf + pos, size, fmt, args) + 1; in tomoyo_io_printf()
292 tomoyo_set_string(head, head->read_buf + pos); in tomoyo_io_printf()
1000 if (!head->read_buf) in tomoyo_select_domain()
2146 if (head->read_buf) { in tomoyo_read_query()
2147 kfree(head->read_buf); in tomoyo_read_query()
2148 head->read_buf = NULL; in tomoyo_read_query()
2183 head->read_buf = buf; in tomoyo_read_query()
2413 head->read_buf = kzalloc(head->readbuf_size, GFP_NOFS); in tomoyo_open_control()
2414 if (!head->read_buf) { in tomoyo_open_control()
2429 kfree(head->read_buf); in tomoyo_open_control()
/Linux-v4.19/drivers/mtd/nand/raw/
Dplat_nand.c69 data->chip.read_buf = pdata->ctrl.read_buf; in plat_nand_probe()
Dcmx270_nand.c192 this->read_buf = cmx270_read_buf; in cmx270_init()
Dlpc32xx_slc.c629 chip->read_buf(mtd, chip->oob_poi, mtd->oobsize); in lpc32xx_nand_read_page_syndrome()
669 chip->read_buf(mtd, buf, chip->ecc.size * chip->ecc.steps); in lpc32xx_nand_read_page_raw_syndrome()
670 chip->read_buf(mtd, chip->oob_poi, mtd->oobsize); in lpc32xx_nand_read_page_raw_syndrome()
895 chip->read_buf = lpc32xx_nand_read_buf; in lpc32xx_nand_probe()
Dpasemi_nand.c149 chip->read_buf = pasemi_read_buf; in pasemi_nand_probe()
/Linux-v4.19/drivers/tty/
Dn_tty.c110 char read_buf[N_TTY_BUF_SIZE]; member
134 static inline unsigned char read_buf(struct n_tty_data *ldata, size_t i) in read_buf() function
136 return ldata->read_buf[i & (N_TTY_BUF_SIZE - 1)]; in read_buf()
141 return &ldata->read_buf[i & (N_TTY_BUF_SIZE - 1)]; in read_buf_addr()
170 from = ldata->read_buf; in tty_copy_to_user()
1004 c = read_buf(ldata, head); in eraser()
1031 echo_char_raw(read_buf(ldata, head), ldata); in eraser()
1050 c = read_buf(ldata, tail); in eraser()
1324 echo_char(read_buf(ldata, tail), tty); in n_tty_receive_char_special()
2038 if (!found || read_buf(ldata, eol) != __DISABLED_CHAR) { in canon_copy_from_read_buf()
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/Linux-v4.19/drivers/staging/ks7010/
Dks7010_sdio.c671 u8 *read_buf; in ks7010_sdio_data_compare() local
673 read_buf = kmalloc(ROM_BUFF_SIZE, GFP_KERNEL); in ks7010_sdio_data_compare()
674 if (!read_buf) in ks7010_sdio_data_compare()
677 ret = ks7010_sdio_read(priv, address, read_buf, size); in ks7010_sdio_data_compare()
681 if (memcmp(data, read_buf, size) != 0) { in ks7010_sdio_data_compare()
690 kfree(read_buf); in ks7010_sdio_data_compare()
/Linux-v4.19/drivers/input/touchscreen/
Dmelfas_mip4.c190 char *read_buf, unsigned int read_len) in mip4_i2c_xfer() argument
201 .buf = read_buf, in mip4_i2c_xfer()
979 u8 *read_buf; in mip4_bl_verify_page() local
1041 msg[1].buf = read_buf = kmalloc(MIP4_BL_PACKET_SIZE, GFP_KERNEL); in mip4_bl_verify_page()
1042 if (!read_buf) in mip4_bl_verify_page()
1061 if (memcmp(&data[buf_offset], read_buf, MIP4_BL_PACKET_SIZE)) { in mip4_bl_verify_page()
1074 read_buf, MIP4_BL_PAGE_SIZE, false); in mip4_bl_verify_page()
1081 kfree(read_buf); in mip4_bl_verify_page()
/Linux-v4.19/drivers/gpu/drm/amd/display/dc/inc/
Ddc_link_ddc.h102 uint8_t *read_buf,
/Linux-v4.19/drivers/gpu/drm/amd/display/dc/core/
Ddc_link_ddc.c555 uint8_t *read_buf, in dal_ddc_service_query_ddc_data() argument
591 payloads, address, read_size, read_buf, false); in dal_ddc_service_query_ddc_data()
617 payloads, address, read_size, read_buf, false); in dal_ddc_service_query_ddc_data()
/Linux-v4.19/include/media/
Dvideobuf-core.h159 struct videobuf_buffer *read_buf; member

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