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Searched refs:xfer (Results 1 – 25 of 270) sorted by relevance

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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 Ddriver.c520 struct scmi_xfer *xfer) in scmi_xfer_token_set() argument
532 next_token = (xfer->transfer_id & (MSG_TOKEN_MAX - 1)); in scmi_xfer_token_set()
558 xfer->hdr.seq = (u16)xfer_id; in scmi_xfer_token_set()
570 struct scmi_xfer *xfer) in scmi_xfer_token_clear() argument
572 clear_bit(xfer->hdr.seq, minfo->xfer_alloc_table); in scmi_xfer_token_clear()
588 scmi_xfer_inflight_register_unlocked(struct scmi_xfer *xfer, in scmi_xfer_inflight_register_unlocked() argument
595 set_bit(xfer->hdr.seq, minfo->xfer_alloc_table); in scmi_xfer_inflight_register_unlocked()
596 hash_add(minfo->pending_xfers, &xfer->node, xfer->hdr.seq); in scmi_xfer_inflight_register_unlocked()
599 xfer->pending = true; in scmi_xfer_inflight_register_unlocked()
616 static int scmi_xfer_inflight_register(struct scmi_xfer *xfer, in scmi_xfer_inflight_register() argument
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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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H A Dshmem.c89 struct scmi_xfer *xfer, in shmem_tx_prepare() argument
123 iowrite32(xfer->hdr.poll_completion ? 0 : SCMI_SHMEM_FLAG_INTR_ENABLED, in shmem_tx_prepare()
125 iowrite32(sizeof(shmem->msg_header) + xfer->tx.len, &shmem->length); in shmem_tx_prepare()
126 iowrite32(pack_scmi_header(&xfer->hdr), &shmem->msg_header); in shmem_tx_prepare()
127 if (xfer->tx.buf) in shmem_tx_prepare()
128 copy_toio(shmem->msg_payload, xfer->tx.buf, xfer->tx.len); in shmem_tx_prepare()
137 struct scmi_xfer *xfer, in shmem_fetch_response() argument
142 xfer->hdr.status = ioread32(shmem->msg_payload); in shmem_fetch_response()
144 xfer->rx.len = min_t(size_t, xfer->rx.len, len > 8 ? len - 8 : 0); in shmem_fetch_response()
147 copy_fromio(xfer->rx.buf, shmem->msg_payload + 4, xfer->rx.len); in shmem_fetch_response()
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/linux/drivers/dma/dw-edma/
H A Ddw-edma-core.c351 dw_edma_device_transfer(struct dw_edma_transfer *xfer) in dw_edma_device_transfer() argument
353 struct dw_edma_chan *chan = dchan2dw_edma_chan(xfer->dchan); in dw_edma_device_transfer()
354 enum dma_transfer_direction dir = xfer->direction; in dw_edma_device_transfer()
403 if (xfer->type == EDMA_XFER_CYCLIC) { in dw_edma_device_transfer()
404 if (!xfer->xfer.cyclic.len || !xfer->xfer.cyclic.cnt) in dw_edma_device_transfer()
406 } else if (xfer->type == EDMA_XFER_SCATTER_GATHER) { in dw_edma_device_transfer()
407 if (xfer->xfer.sg.len < 1) in dw_edma_device_transfer()
409 } else if (xfer->type == EDMA_XFER_INTERLEAVED) { in dw_edma_device_transfer()
410 if (!xfer->xfer.il->numf || xfer->xfer.il->frame_size < 1) in dw_edma_device_transfer()
412 if (!xfer->xfer.il->src_inc || !xfer->xfer.il->dst_inc) in dw_edma_device_transfer()
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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 = kcalloc(2, sizeof(*adis->xfer), GFP_KERNEL); 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()
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/linux/drivers/net/ethernet/micrel/
H A Dks8851_spi.c118 struct spi_transfer *xfer = &kss->spi_xfer1; in ks8851_wrreg16_spi() local
126 xfer->tx_buf = txb; in ks8851_wrreg16_spi()
127 xfer->rx_buf = NULL; in ks8851_wrreg16_spi()
128 xfer->len = 4; in ks8851_wrreg16_spi()
149 struct spi_transfer *xfer; in ks8851_rdreg() local
159 xfer = kss->spi_xfer2; in ks8851_rdreg()
161 xfer->tx_buf = txb; in ks8851_rdreg()
162 xfer->rx_buf = NULL; in ks8851_rdreg()
163 xfer->len = 2; in ks8851_rdreg()
165 xfer++; in ks8851_rdreg()
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/linux/drivers/i2c/busses/
H A Di2c-rtl9300.c203 static int rtl9300_i2c_prepare_xfer(struct rtl9300_i2c *i2c, struct rtl9300_i2c_xfer *xfer) in rtl9300_i2c_prepare_xfer() argument
207 if (xfer->data_len < 1 || xfer->data_len > 16) in rtl9300_i2c_prepare_xfer()
210 ret = regmap_field_write(i2c->fields[F_DEV_ADDR], xfer->dev_addr); in rtl9300_i2c_prepare_xfer()
214 ret = rtl9300_i2c_reg_addr_set(i2c, xfer->reg_addr, xfer->reg_addr_len); in rtl9300_i2c_prepare_xfer()
218 ret = regmap_field_write(i2c->fields[F_RWOP], xfer->write); in rtl9300_i2c_prepare_xfer()
222 ret = regmap_field_write(i2c->fields[F_DATA_WIDTH], (xfer->data_len - 1) & 0xf); in rtl9300_i2c_prepare_xfer()
226 if (xfer->write) { in rtl9300_i2c_prepare_xfer()
227 switch (xfer->type) { in rtl9300_i2c_prepare_xfer()
229 ret = rtl9300_i2c_writel(i2c, *xfer->data); in rtl9300_i2c_prepare_xfer()
232 ret = rtl9300_i2c_writel(i2c, get_unaligned((const u16 *)xfer->data)); in rtl9300_i2c_prepare_xfer()
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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()
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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/firmware/samsung/
H A Dexynos-acpm-dvfs.c23 static void acpm_dvfs_set_xfer(struct acpm_xfer *xfer, u32 *cmd, size_t cmdlen, in acpm_dvfs_set_xfer() argument
26 xfer->acpm_chan_id = acpm_chan_id; in acpm_dvfs_set_xfer()
27 xfer->txd = cmd; in acpm_dvfs_set_xfer()
28 xfer->txlen = cmdlen; in acpm_dvfs_set_xfer()
31 xfer->rxd = cmd; in acpm_dvfs_set_xfer()
32 xfer->rxlen = cmdlen; in acpm_dvfs_set_xfer()
49 struct acpm_xfer xfer = {0}; in acpm_dvfs_set_rate() local
53 acpm_dvfs_set_xfer(&xfer, cmd, sizeof(cmd), acpm_chan_id, false); in acpm_dvfs_set_rate()
55 return acpm_do_xfer(handle, &xfer); in acpm_dvfs_set_rate()
68 struct acpm_xfer xfer; in acpm_dvfs_get_rate() local
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/linux/drivers/spi/
H A Dspi.c315 struct spi_transfer *xfer, in spi_statistics_add_transfer_stats() argument
318 int l2len = min(fls(xfer->len), SPI_STATISTICS_HISTO_SIZE) - 1; in spi_statistics_add_transfer_stats()
331 u64_stats_add(&stats->bytes, xfer->len); in spi_statistics_add_transfer_stats()
332 if (spi_valid_txbuf(msg, xfer)) in spi_statistics_add_transfer_stats()
333 u64_stats_add(&stats->bytes_tx, xfer->len); in spi_statistics_add_transfer_stats()
334 if (spi_valid_rxbuf(msg, xfer)) in spi_statistics_add_transfer_stats()
335 u64_stats_add(&stats->bytes_rx, xfer->len); in spi_statistics_add_transfer_stats()
1225 struct spi_transfer *xfer; in __spi_map_msg() local
1246 list_for_each_entry(xfer, &msg->transfers, transfer_list) { in __spi_map_msg()
1250 if (!ctlr->can_dma(ctlr, msg->spi, xfer)) in __spi_map_msg()
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H A Dspi-slave-mt27xx.c164 struct spi_transfer *xfer) in mtk_spi_slave_fifo_transfer() argument
172 if (xfer->rx_buf) in mtk_spi_slave_fifo_transfer()
174 if (xfer->tx_buf) in mtk_spi_slave_fifo_transfer()
178 cnt = xfer->len / 4; in mtk_spi_slave_fifo_transfer()
179 if (xfer->tx_buf) in mtk_spi_slave_fifo_transfer()
181 xfer->tx_buf, cnt); in mtk_spi_slave_fifo_transfer()
183 remainder = xfer->len % 4; in mtk_spi_slave_fifo_transfer()
184 if (xfer->tx_buf && remainder > 0) { in mtk_spi_slave_fifo_transfer()
186 memcpy(&reg_val, xfer->tx_buf + cnt * 4, remainder); in mtk_spi_slave_fifo_transfer()
201 struct spi_transfer *xfer) in mtk_spi_slave_dma_transfer() argument
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H A Dspi-rockchip.c198 struct spi_transfer *xfer; /* Store xfer temporarily */ member
384 struct spi_transfer *xfer) in rockchip_spi_prepare_irq() argument
386 rs->tx = xfer->tx_buf; in rockchip_spi_prepare_irq()
387 rs->rx = xfer->rx_buf; in rockchip_spi_prepare_irq()
388 rs->tx_left = rs->tx ? xfer->len / rs->n_bytes : 0; in rockchip_spi_prepare_irq()
389 rs->rx_left = xfer->len / rs->n_bytes; in rockchip_spi_prepare_irq()
453 struct spi_controller *ctlr, struct spi_transfer *xfer) in rockchip_spi_prepare_dma() argument
459 rs->tx = xfer->tx_buf; in rockchip_spi_prepare_dma()
460 rs->rx = xfer->rx_buf; in rockchip_spi_prepare_dma()
463 if (xfer->rx_buf) { in rockchip_spi_prepare_dma()
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H A Dspi-rspi.c244 struct spi_device *spi, struct spi_transfer *xfer);
681 const struct spi_transfer *xfer) in __rspi_can_dma() argument
683 return xfer->len > rspi->ops->fifo_size; in __rspi_can_dma()
687 struct spi_transfer *xfer) in rspi_can_dma() argument
691 return __rspi_can_dma(rspi, xfer); in rspi_can_dma()
695 struct spi_transfer *xfer) in rspi_dma_check_then_transfer() argument
697 if (!rspi->ctlr->can_dma || !__rspi_can_dma(rspi, xfer)) in rspi_dma_check_then_transfer()
701 return rspi_dma_transfer(rspi, &xfer->tx_sg, in rspi_dma_check_then_transfer()
702 xfer->rx_buf ? &xfer->rx_sg : NULL); in rspi_dma_check_then_transfer()
706 struct spi_transfer *xfer) in rspi_common_transfer() argument
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/linux/drivers/input/touchscreen/
H A Dad7877.c147 struct spi_transfer xfer[6]; member
177 struct spi_transfer xfer[AD7877_NR_SENSE + 2]; member
212 req->xfer[0].tx_buf = &req->command; in ad7877_read()
213 req->xfer[0].len = 2; in ad7877_read()
214 req->xfer[0].cs_change = 1; in ad7877_read()
216 req->xfer[1].rx_buf = &req->sample; in ad7877_read()
217 req->xfer[1].len = 2; in ad7877_read()
219 spi_message_add_tail(&req->xfer[0], &req->msg); in ad7877_read()
220 spi_message_add_tail(&req->xfer[1], &req->msg); in ad7877_read()
242 req->xfer[0].tx_buf = &req->command; in ad7877_write()
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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/drivers/i3c/master/
H A Drenesas-i3c.c341 struct renesas_i3c_xfer *xfer; in renesas_i3c_alloc_xfer() local
343 xfer = kzalloc(struct_size(xfer, cmds, ncmds), GFP_KERNEL); in renesas_i3c_alloc_xfer()
344 if (!xfer) in renesas_i3c_alloc_xfer()
347 INIT_LIST_HEAD(&xfer->node); in renesas_i3c_alloc_xfer()
348 xfer->ncmds = ncmds; in renesas_i3c_alloc_xfer()
349 xfer->ret = -ETIMEDOUT; in renesas_i3c_alloc_xfer()
351 return xfer; in renesas_i3c_alloc_xfer()
356 struct renesas_i3c_xfer *xfer = i3c->xferqueue.cur; in renesas_i3c_start_xfer_locked() local
360 if (!xfer) in renesas_i3c_start_xfer_locked()
363 cmd = xfer->cmds; in renesas_i3c_start_xfer_locked()
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H A Dadi-i3c-master.c188 struct adi_i3c_xfer *xfer; in adi_i3c_master_alloc_xfer() local
190 xfer = kzalloc(struct_size(xfer, cmds, ncmds), GFP_KERNEL); in adi_i3c_master_alloc_xfer()
191 if (!xfer) in adi_i3c_master_alloc_xfer()
194 INIT_LIST_HEAD(&xfer->node); in adi_i3c_master_alloc_xfer()
195 xfer->ncmds = ncmds; in adi_i3c_master_alloc_xfer()
196 xfer->ret = -ETIMEDOUT; in adi_i3c_master_alloc_xfer()
198 return xfer; in adi_i3c_master_alloc_xfer()
203 struct adi_i3c_xfer *xfer = master->xferqueue.cur; in adi_i3c_master_start_xfer_locked() local
206 if (!xfer) in adi_i3c_master_start_xfer_locked()
209 for (i = 0; i < xfer->ncmds; i++) { in adi_i3c_master_start_xfer_locked()
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H A Ddw-i3c-master.c363 struct dw_i3c_xfer *xfer; in dw_i3c_master_alloc_xfer() local
365 xfer = kzalloc(struct_size(xfer, cmds, ncmds), GFP_KERNEL); in dw_i3c_master_alloc_xfer()
366 if (!xfer) in dw_i3c_master_alloc_xfer()
369 INIT_LIST_HEAD(&xfer->node); in dw_i3c_master_alloc_xfer()
370 xfer->ncmds = ncmds; in dw_i3c_master_alloc_xfer()
371 xfer->ret = -ETIMEDOUT; in dw_i3c_master_alloc_xfer()
373 return xfer; in dw_i3c_master_alloc_xfer()
376 static void dw_i3c_master_free_xfer(struct dw_i3c_xfer *xfer) in dw_i3c_master_free_xfer() argument
378 kfree(xfer); in dw_i3c_master_free_xfer()
383 struct dw_i3c_xfer *xfer = master->xferqueue.cur; in dw_i3c_master_start_xfer_locked() local
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/linux/drivers/i3c/master/mipi-i3c-hci/
H A Dcore.c188 struct hci_xfer *xfer; in i3c_hci_send_ccc_cmd() local
198 xfer = hci_alloc_xfer(nxfers); in i3c_hci_send_ccc_cmd()
199 if (!xfer) in i3c_hci_send_ccc_cmd()
203 xfer->data = NULL; in i3c_hci_send_ccc_cmd()
204 xfer->data_len = 0; in i3c_hci_send_ccc_cmd()
205 xfer->rnw = false; in i3c_hci_send_ccc_cmd()
206 hci->cmd->prep_ccc(hci, xfer, I3C_BROADCAST_ADDR, in i3c_hci_send_ccc_cmd()
208 xfer++; in i3c_hci_send_ccc_cmd()
212 xfer[i].data = ccc->dests[i].payload.data; in i3c_hci_send_ccc_cmd()
213 xfer[i].data_len = ccc->dests[i].payload.len; in i3c_hci_send_ccc_cmd()
[all …]
/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/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()

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