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Searched refs:xfer (Results 1 – 25 of 248) sorted by relevance

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/linux/drivers/i3c/master/mipi-i3c-hci/
H A Dcmd_v2.c91 struct hci_xfer *xfer, in hci_cmd_v2_prep_private_xfer() argument
95 u8 *data = xfer->data; in hci_cmd_v2_prep_private_xfer()
96 unsigned int data_len = xfer->data_len; in hci_cmd_v2_prep_private_xfer()
97 bool rnw = xfer->rnw; in hci_cmd_v2_prep_private_xfer()
99 xfer->cmd_tid = hci_get_tid(); in hci_cmd_v2_prep_private_xfer()
102 xfer->cmd_desc[0] = in hci_cmd_v2_prep_private_xfer()
104 CMD_U0_TID(xfer->cmd_tid) | in hci_cmd_v2_prep_private_xfer()
109 xfer->cmd_desc[1] = in hci_cmd_v2_prep_private_xfer()
111 xfer->cmd_desc[2] = 0; in hci_cmd_v2_prep_private_xfer()
112 xfer->cmd_desc[3] = 0; in hci_cmd_v2_prep_private_xfer()
[all …]
H A Dcmd_v1.c144 static void fill_data_bytes(struct hci_xfer *xfer, u8 *data, in fill_data_bytes() argument
147 xfer->cmd_desc[1] = 0; in fill_data_bytes()
150 xfer->cmd_desc[1] |= CMD_I1_DATA_BYTE_4(data[3]); in fill_data_bytes()
153 xfer->cmd_desc[1] |= CMD_I1_DATA_BYTE_3(data[2]); in fill_data_bytes()
156 xfer->cmd_desc[1] |= CMD_I1_DATA_BYTE_2(data[1]); in fill_data_bytes()
159 xfer->cmd_desc[1] |= CMD_I1_DATA_BYTE_1(data[0]); in fill_data_bytes()
165 xfer->data = NULL; in fill_data_bytes()
169 struct hci_xfer *xfer, in hci_cmd_v1_prep_ccc() argument
174 u8 *data = xfer->data; in hci_cmd_v1_prep_ccc()
175 unsigned int data_len = xfer->data_len; in hci_cmd_v1_prep_ccc()
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H A Dpio.c247 static void hci_pio_write_cmd(struct i3c_hci *hci, struct hci_xfer *xfer) in hci_pio_write_cmd() argument
250 0, xfer->cmd_desc[0]); in hci_pio_write_cmd()
252 1, xfer->cmd_desc[1]); in hci_pio_write_cmd()
253 pio_reg_write(COMMAND_QUEUE_PORT, xfer->cmd_desc[0]); in hci_pio_write_cmd()
254 pio_reg_write(COMMAND_QUEUE_PORT, xfer->cmd_desc[1]); in hci_pio_write_cmd()
257 2, xfer->cmd_desc[2]); in hci_pio_write_cmd()
259 3, xfer->cmd_desc[3]); in hci_pio_write_cmd()
260 pio_reg_write(COMMAND_QUEUE_PORT, xfer->cmd_desc[2]); in hci_pio_write_cmd()
261 pio_reg_write(COMMAND_QUEUE_PORT, xfer->cmd_desc[3]); in hci_pio_write_cmd()
267 struct hci_xfer *xfer = pio->curr_rx; in hci_pio_do_rx() local
[all …]
H A Dcore.c249 int i3c_hci_process_xfer(struct i3c_hci *hci, struct hci_xfer *xfer, int n) in i3c_hci_process_xfer() argument
251 struct completion *done = xfer[n - 1].completion; in i3c_hci_process_xfer()
252 unsigned long timeout = xfer[n - 1].timeout; in i3c_hci_process_xfer()
255 ret = hci->io->queue_xfer(hci, xfer, n); in i3c_hci_process_xfer()
260 if (hci->io->dequeue_xfer(hci, xfer, n)) { in i3c_hci_process_xfer()
271 error = RESP_STATUS(xfer[i].response); in i3c_hci_process_xfer()
273 return hci->io->handle_error(hci, xfer, n); in i3c_hci_process_xfer()
283 struct hci_xfer *xfer; in i3c_hci_send_ccc_cmd() local
293 xfer = hci_alloc_xfer(nxfers); in i3c_hci_send_ccc_cmd()
294 if (!xfer) in i3c_hci_send_ccc_cmd()
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H A Ddma.c128 void *xfer, *resp, *ibi_status, *ibi_data; member
188 if (rh->xfer) in hci_dma_free()
191 rh->xfer, rh->xfer_dma); in hci_dma_free()
360 rh->xfer = dma_alloc_coherent(rings->sysdev, xfers_sz, in hci_dma_init()
367 if (!rh->xfer || !rh->resp || !rh->src_xfers) in hci_dma_init()
430 struct hci_xfer *xfer; in hci_dma_unmap_xfer() local
434 xfer = xfer_list + i; in hci_dma_unmap_xfer()
435 if (!xfer->data) in hci_dma_unmap_xfer()
437 i3c_master_dma_unmap_single(xfer->dma); in hci_dma_unmap_xfer()
441 static struct i3c_dma *hci_dma_map_xfer(struct device *dev, struct hci_xfer *xfer) in hci_dma_map_xfer() argument
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/linux/drivers/firmware/
H A Dti_sci.c242 struct ti_sci_xfer *xfer; in ti_sci_rx_callback() local
256 xfer = &minfo->xfer_block[xfer_id]; in ti_sci_rx_callback()
265 if (mbox_msg->len < xfer->rx_len) { in ti_sci_rx_callback()
267 mbox_msg->len, xfer->rx_len); in ti_sci_rx_callback()
274 memcpy(xfer->xfer_buf, mbox_msg->buf, xfer->rx_len); in ti_sci_rx_callback()
275 complete(&xfer->done); in ti_sci_rx_callback()
301 struct ti_sci_xfer *xfer; in ti_sci_get_one_xfer() local
341 xfer = &minfo->xfer_block[xfer_id]; in ti_sci_get_one_xfer()
343 hdr = (struct ti_sci_msg_hdr *)xfer->tx_message.buf; in ti_sci_get_one_xfer()
344 xfer->tx_message.len = tx_message_size; in ti_sci_get_one_xfer()
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/linux/drivers/firmware/arm_scmi/
H A Dmsg.c33 static size_t msg_command_size(struct scmi_xfer *xfer) in msg_command_size() argument
35 return sizeof(struct scmi_msg_payld) + xfer->tx.len; in msg_command_size()
45 static size_t msg_response_size(struct scmi_xfer *xfer) in msg_response_size() argument
47 return sizeof(struct scmi_msg_payld) + sizeof(__le32) + xfer->rx.len; in msg_response_size()
56 static void msg_tx_prepare(struct scmi_msg_payld *msg, struct scmi_xfer *xfer) in msg_tx_prepare() argument
58 msg->msg_header = cpu_to_le32(pack_scmi_header(&xfer->hdr)); in msg_tx_prepare()
59 if (xfer->tx.buf) in msg_tx_prepare()
60 memcpy(msg->msg_payload, xfer->tx.buf, xfer->tx.len); in msg_tx_prepare()
83 size_t len, struct scmi_xfer *xfer) in msg_fetch_response() argument
87 xfer->hdr.status = le32_to_cpu(msg->msg_payload[0]); in msg_fetch_response()
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H A Draw_mode.c206 struct scmi_xfer *xfer; member
336 scmi_xfer_raw_waiter_get(struct scmi_raw_mode_info *raw, struct scmi_xfer *xfer, in scmi_xfer_raw_waiter_get() argument
349 xfer->async_done = &rw->async_response; in scmi_xfer_raw_waiter_get()
353 rw->xfer = xfer; in scmi_xfer_raw_waiter_get()
363 if (rw->xfer) { in scmi_xfer_raw_waiter_put()
364 rw->xfer->async_done = NULL; in scmi_xfer_raw_waiter_put()
365 rw->xfer = NULL; in scmi_xfer_raw_waiter_put()
379 trace_scmi_xfer_response_wait(rw->xfer->transfer_id, rw->xfer->hdr.id, in scmi_xfer_raw_waiter_enqueue()
380 rw->xfer->hdr.protocol_id, in scmi_xfer_raw_waiter_enqueue()
381 rw->xfer->hdr.seq, in scmi_xfer_raw_waiter_enqueue()
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/linux/include/trace/events/
H A Dspi.h174 #define spi_valid_txbuf(msg, xfer) \ argument
175 (xfer->tx_buf && xfer->tx_buf != msg->spi->controller->dummy_tx)
176 #define spi_valid_rxbuf(msg, xfer) \ argument
177 (xfer->rx_buf && xfer->rx_buf != msg->spi->controller->dummy_rx)
181 TP_PROTO(struct spi_message *msg, struct spi_transfer *xfer),
183 TP_ARGS(msg, xfer),
188 __field( struct spi_transfer *, xfer )
191 spi_valid_rxbuf(msg, xfer) ?
192 (xfer->len < 64 ? xfer->len : 64) : 0)
194 spi_valid_txbuf(msg, xfer) ?
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/linux/drivers/iio/imu/
H A Dadis_buffer.c36 adis->xfer = kzalloc_objs(*adis->xfer, 2); in adis_update_scan_mode_burst()
37 if (!adis->xfer) in adis_update_scan_mode_burst()
42 kfree(adis->xfer); in adis_update_scan_mode_burst()
43 adis->xfer = NULL; in adis_update_scan_mode_burst()
51 adis->xfer[0].tx_buf = tx; in adis_update_scan_mode_burst()
52 adis->xfer[0].len = 2; in adis_update_scan_mode_burst()
54 adis->xfer[0].speed_hz = adis->data->burst_max_speed_hz; in adis_update_scan_mode_burst()
55 adis->xfer[1].rx_buf = adis->buffer; in adis_update_scan_mode_burst()
56 adis->xfer[1].len = burst_length; in adis_update_scan_mode_burst()
58 adis->xfer[1].speed_hz = adis->data->burst_max_speed_hz; in adis_update_scan_mode_burst()
[all …]
/linux/drivers/dma/dw-edma/
H A Ddw-edma-core.c388 dw_edma_device_transfer(struct dw_edma_transfer *xfer) in dw_edma_device_transfer() argument
390 struct dw_edma_chan *chan = dchan2dw_edma_chan(xfer->dchan); in dw_edma_device_transfer()
391 enum dma_transfer_direction dir = xfer->direction; in dw_edma_device_transfer()
441 if (xfer->type == EDMA_XFER_CYCLIC) { in dw_edma_device_transfer()
442 if (!xfer->xfer.cyclic.len || !xfer->xfer.cyclic.cnt) in dw_edma_device_transfer()
444 } else if (xfer->type == EDMA_XFER_SCATTER_GATHER) { in dw_edma_device_transfer()
445 if (xfer->xfer.sg.len < 1) in dw_edma_device_transfer()
447 } else if (xfer->type == EDMA_XFER_INTERLEAVED) { in dw_edma_device_transfer()
448 if (!xfer->xfer.il->numf || xfer->xfer.il->frame_size < 1) in dw_edma_device_transfer()
450 if (!xfer->xfer.il->src_inc || !xfer->xfer.il->dst_inc) in dw_edma_device_transfer()
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/linux/drivers/staging/greybus/
H A Dspilib.c151 static struct spi_transfer *get_next_xfer(struct spi_transfer *xfer, in get_next_xfer() argument
154 if (xfer == list_last_entry(&msg->transfers, struct spi_transfer, in get_next_xfer()
158 return list_next_entry(xfer, transfer_list); in get_next_xfer()
167 struct spi_transfer *xfer; in gb_spi_operation_create() local
178 xfer = spi->first_xfer; in gb_spi_operation_create()
184 spi->last_xfer = xfer; in gb_spi_operation_create()
186 if (!xfer->tx_buf && !xfer->rx_buf) { in gb_spi_operation_create()
188 "bufferless transfer, length %u\n", xfer->len); in gb_spi_operation_create()
196 if (xfer->tx_buf) { in gb_spi_operation_create()
197 len = xfer->len - spi->tx_xfer_offset; in gb_spi_operation_create()
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/linux/drivers/i2c/busses/
H A Di2c-cgbc.c179 static unsigned int cgbc_i2c_xfer_to_cmd(struct cgbc_i2c_transfer xfer, u8 *cmd) in cgbc_i2c_xfer_to_cmd() argument
183 cmd[i++] = CGBC_I2C_CMD_START | xfer.bus_id; in cgbc_i2c_xfer_to_cmd()
185 cmd[i] = (xfer.start) ? CGBC_I2C_START : 0x00; in cgbc_i2c_xfer_to_cmd()
186 if (xfer.stop) in cgbc_i2c_xfer_to_cmd()
188 cmd[i++] |= (xfer.start) ? xfer.write + 1 : xfer.write; in cgbc_i2c_xfer_to_cmd()
190 cmd[i++] = (xfer.last_ack) ? (xfer.read | CGBC_I2C_LAST_ACK) : xfer.read; in cgbc_i2c_xfer_to_cmd()
192 if (xfer.start) in cgbc_i2c_xfer_to_cmd()
193 cmd[i++] = xfer.addr; in cgbc_i2c_xfer_to_cmd()
195 if (xfer.write > 0) in cgbc_i2c_xfer_to_cmd()
196 memcpy(&cmd[i], &xfer.data, xfer.write); in cgbc_i2c_xfer_to_cmd()
[all …]
/linux/drivers/spi/
H A Dspi.c307 struct spi_transfer *xfer, in spi_statistics_add_transfer_stats() argument
310 int l2len = min(fls(xfer->len), SPI_STATISTICS_HISTO_SIZE) - 1; in spi_statistics_add_transfer_stats()
323 u64_stats_add(&stats->bytes, xfer->len); in spi_statistics_add_transfer_stats()
324 if (spi_valid_txbuf(msg, xfer)) in spi_statistics_add_transfer_stats()
325 u64_stats_add(&stats->bytes_tx, xfer->len); in spi_statistics_add_transfer_stats()
326 if (spi_valid_rxbuf(msg, xfer)) in spi_statistics_add_transfer_stats()
327 u64_stats_add(&stats->bytes_rx, xfer->len); in spi_statistics_add_transfer_stats()
1236 struct spi_transfer *xfer; in __spi_map_msg() local
1257 list_for_each_entry(xfer, &msg->transfers, transfer_list) { in __spi_map_msg()
1261 if (!ctlr->can_dma(ctlr, msg->spi, xfer)) in __spi_map_msg()
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H A Dspi-rockchip.c195 struct spi_transfer *xfer; /* Store xfer temporarily */ member
382 struct spi_transfer *xfer) in rockchip_spi_prepare_irq() argument
384 rs->tx = xfer->tx_buf; in rockchip_spi_prepare_irq()
385 rs->rx = xfer->rx_buf; in rockchip_spi_prepare_irq()
386 rs->tx_left = rs->tx ? xfer->len / rs->n_bytes : 0; in rockchip_spi_prepare_irq()
387 rs->rx_left = xfer->len / rs->n_bytes; in rockchip_spi_prepare_irq()
451 struct spi_controller *ctlr, struct spi_transfer *xfer) in rockchip_spi_prepare_dma() argument
457 rs->tx = xfer->tx_buf; in rockchip_spi_prepare_dma()
458 rs->rx = xfer->rx_buf; in rockchip_spi_prepare_dma()
461 if (xfer->rx_buf) { in rockchip_spi_prepare_dma()
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H A Dspi-amlogic-spisg.c220 struct spi_transfer *xfer) in aml_spisg_can_dma() argument
249 struct spi_transfer *xfer, in aml_spisg_setup_transfer() argument
263 aml_spisg_set_speed(spisg, xfer->speed_hz); in aml_spisg_setup_transfer()
264 xfer->effective_speed_hz = spisg->effective_speed_hz; in aml_spisg_setup_transfer()
269 block_size = xfer->bits_per_word >> 3; in aml_spisg_setup_transfer()
270 blocks = xfer->len / block_size; in aml_spisg_setup_transfer()
273 desc->cfg_bus |= FIELD_PREP(CFG_KEEP_SS, !xfer->cs_change); in aml_spisg_setup_transfer()
276 if (xfer->tx_buf || xfer->tx_dma) { in aml_spisg_setup_transfer()
277 desc->cfg_bus |= FIELD_PREP(CFG_LANE, nbits_to_lane[xfer->tx_nbits]); in aml_spisg_setup_transfer()
280 if (xfer->rx_buf || xfer->rx_dma) { in aml_spisg_setup_transfer()
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H A Dspi-geni-qcom.c154 const struct spi_transfer *xfer; in handle_se_timeout() local
160 xfer = mas->cur_xfer; in handle_se_timeout()
194 if (xfer) { in handle_se_timeout()
195 if (xfer->tx_buf) { in handle_se_timeout()
204 if (xfer->rx_buf) { in handle_se_timeout()
394 static int setup_gsi_xfer(struct spi_transfer *xfer, struct spi_geni_master *mas, in setup_gsi_xfer() argument
407 if (xfer->bits_per_word != mas->cur_bits_per_word || in setup_gsi_xfer()
408 xfer->speed_hz != mas->cur_speed_hz) { in setup_gsi_xfer()
409 mas->cur_bits_per_word = xfer->bits_per_word; in setup_gsi_xfer()
410 mas->cur_speed_hz = xfer->speed_hz; in setup_gsi_xfer()
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H A Dspi-virtio.c90 struct spi_transfer *xfer) in virtio_spi_set_delays() argument
100 cs_setup = spi_delay_to_ns(&spi->cs_setup, xfer); in virtio_spi_set_delays()
107 cs_word_delay_xfer = spi_delay_to_ns(&xfer->word_delay, xfer); in virtio_spi_set_delays()
112 cs_word_delay_spi = spi_delay_to_ns(&spi->word_delay, xfer); in virtio_spi_set_delays()
120 delay = spi_delay_to_ns(&xfer->delay, xfer); in virtio_spi_set_delays()
125 cs_hold = spi_delay_to_ns(&spi->cs_hold, xfer); in virtio_spi_set_delays()
132 cs_inactive = spi_delay_to_ns(&spi->cs_inactive, xfer); in virtio_spi_set_delays()
137 cs_change_delay = spi_delay_to_ns(&xfer->cs_change_delay, xfer); in virtio_spi_set_delays()
150 struct spi_transfer *xfer) in virtio_spi_transfer_one() argument
172 th->cs_change = xfer->cs_change; in virtio_spi_transfer_one()
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H A Dspi-dw-dma.c246 struct spi_device *spi, struct spi_transfer *xfer) in dw_spi_can_dma() argument
251 if (xfer->len <= dws->fifo_len) in dw_spi_can_dma()
288 struct spi_transfer *xfer) in dw_spi_dma_wait_tx_done() argument
299 spi_delay_exec(&delay, xfer); in dw_spi_dma_wait_tx_done()
468 static int dw_spi_dma_setup(struct dw_spi *dws, struct spi_transfer *xfer) in dw_spi_dma_setup() argument
473 if (!xfer->tx_buf) in dw_spi_dma_setup()
481 if (xfer->rx_buf) { in dw_spi_dma_setup()
489 if (xfer->rx_buf) in dw_spi_dma_setup()
495 if (xfer->rx_buf) in dw_spi_dma_setup()
507 struct spi_transfer *xfer) in dw_spi_dma_transfer_all() argument
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H A Dspi-cavium.c30 struct spi_transfer *xfer, in octeon_spi_do_transfer() argument
48 clkdiv = p->sys_freq / (2 * xfer->speed_hz); in octeon_spi_do_transfer()
68 tx_buf = xfer->tx_buf; in octeon_spi_do_transfer()
69 rx_buf = xfer->rx_buf; in octeon_spi_do_transfer()
70 len = xfer->len; in octeon_spi_do_transfer()
108 mpi_tx.s.leavecs = xfer->cs_change; in octeon_spi_do_transfer()
110 mpi_tx.s.leavecs = !xfer->cs_change; in octeon_spi_do_transfer()
122 spi_transfer_delay_exec(xfer); in octeon_spi_do_transfer()
124 return xfer->len; in octeon_spi_do_transfer()
133 struct spi_transfer *xfer; in octeon_spi_transfer_one_message() local
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/linux/drivers/net/ethernet/asix/
H A Dax88796c_spi.c48 struct spi_transfer *xfer = ax_spi->spi_rx_xfer; in axspi_read_rxq() local
53 xfer->tx_buf = ax_spi->cmd_buf; in axspi_read_rxq()
54 xfer->rx_buf = NULL; in axspi_read_rxq()
55 xfer->len = ax_spi->comp ? 2 : 5; in axspi_read_rxq()
56 xfer->bits_per_word = 8; in axspi_read_rxq()
57 spi_message_add_tail(xfer, &ax_spi->rx_msg); in axspi_read_rxq()
59 xfer++; in axspi_read_rxq()
60 xfer->rx_buf = data; in axspi_read_rxq()
61 xfer->tx_buf = NULL; in axspi_read_rxq()
62 xfer->len = len; in axspi_read_rxq()
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/linux/drivers/input/touchscreen/
H A Dcyttsp_spi.c40 struct spi_transfer xfer[2]; in cyttsp_spi_xfer() local
62 memset(xfer, 0, sizeof(xfer)); in cyttsp_spi_xfer()
69 xfer[0].tx_buf = wr_buf; in cyttsp_spi_xfer()
70 xfer[0].rx_buf = rd_buf; in cyttsp_spi_xfer()
73 xfer[0].len = length + CY_SPI_CMD_BYTES; in cyttsp_spi_xfer()
74 spi_message_add_tail(&xfer[0], &msg); in cyttsp_spi_xfer()
78 xfer[0].len = CY_SPI_CMD_BYTES; in cyttsp_spi_xfer()
79 spi_message_add_tail(&xfer[0], &msg); in cyttsp_spi_xfer()
81 xfer[1].rx_buf = buf; in cyttsp_spi_xfer()
82 xfer[1].len = length; in cyttsp_spi_xfer()
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/linux/sound/soc/codecs/
H A Drl6347a.c62 struct i2c_msg xfer[2]; in rl6347a_hw_read() local
83 xfer[0].addr = client->addr; in rl6347a_hw_read()
84 xfer[0].flags = 0; in rl6347a_hw_read()
85 xfer[0].len = 4; in rl6347a_hw_read()
86 xfer[0].buf = (u8 *)&be_reg; in rl6347a_hw_read()
89 xfer[1].addr = client->addr; in rl6347a_hw_read()
90 xfer[1].flags = I2C_M_RD; in rl6347a_hw_read()
91 xfer[1].len = 4; in rl6347a_hw_read()
92 xfer[1].buf = (u8 *)&buf; in rl6347a_hw_read()
94 ret = i2c_transfer(client->adapter, xfer, 2); in rl6347a_hw_read()
/linux/drivers/mfd/
H A Dtps6507x.c40 struct i2c_msg xfer[2]; in tps6507x_i2c_read_device() local
44 xfer[0].addr = i2c->addr; in tps6507x_i2c_read_device()
45 xfer[0].flags = 0; in tps6507x_i2c_read_device()
46 xfer[0].len = 1; in tps6507x_i2c_read_device()
47 xfer[0].buf = &reg; in tps6507x_i2c_read_device()
50 xfer[1].addr = i2c->addr; in tps6507x_i2c_read_device()
51 xfer[1].flags = I2C_M_RD; in tps6507x_i2c_read_device()
52 xfer[1].len = bytes; in tps6507x_i2c_read_device()
53 xfer[1].buf = dest; in tps6507x_i2c_read_device()
55 ret = i2c_transfer(i2c->adapter, xfer, 2); in tps6507x_i2c_read_device()
/linux/drivers/gpu/drm/bridge/
H A Dsamsung-dsim.c1278 struct samsung_dsim_transfer *xfer) in samsung_dsim_send_to_fifo() argument
1281 struct mipi_dsi_packet *pkt = &xfer->packet; in samsung_dsim_send_to_fifo()
1283 const u8 *payload = pkt->payload + xfer->tx_done; in samsung_dsim_send_to_fifo()
1284 u16 length = pkt->payload_length - xfer->tx_done; in samsung_dsim_send_to_fifo()
1285 bool first = !xfer->tx_done; in samsung_dsim_send_to_fifo()
1289 xfer, length, xfer->tx_done, xfer->rx_len, xfer->rx_done); in samsung_dsim_send_to_fifo()
1294 xfer->tx_done += length; in samsung_dsim_send_to_fifo()
1330 if (NEQV(xfer->flags & MIPI_DSI_MSG_USE_LPM, in samsung_dsim_send_to_fifo()
1332 samsung_dsim_set_cmd_lpm(dsi, xfer->flags & MIPI_DSI_MSG_USE_LPM); in samsung_dsim_send_to_fifo()
1338 if (xfer->flags & MIPI_DSI_MSG_REQ_ACK) in samsung_dsim_send_to_fifo()
[all …]

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