| /Linux-v4.19/drivers/usb/wusbcore/ |
| D | wa-xfer.c | 108 struct wa_xfer *xfer; /* out xfer */ member
154 static void __wa_populate_dto_urb_isoc(struct wa_xfer *xfer,
156 static void wa_complete_remaining_xfer_segs(struct wa_xfer *xfer,
159 static inline void wa_xfer_init(struct wa_xfer *xfer) in wa_xfer_init() argument
161 kref_init(&xfer->refcnt); in wa_xfer_init()
162 INIT_LIST_HEAD(&xfer->list_node); in wa_xfer_init()
163 spin_lock_init(&xfer->lock); in wa_xfer_init()
174 struct wa_xfer *xfer = container_of(_xfer, struct wa_xfer, refcnt); in wa_xfer_destroy() local
175 if (xfer->seg) { in wa_xfer_destroy()
177 for (cnt = 0; cnt < xfer->segs; cnt++) { in wa_xfer_destroy()
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| /Linux-v4.19/drivers/firmware/ |
| D | ti_sci.c | 264 struct ti_sci_xfer *xfer; in ti_sci_rx_callback() local
278 xfer = &minfo->xfer_block[xfer_id]; in ti_sci_rx_callback()
287 if (mbox_msg->len < xfer->rx_len) { in ti_sci_rx_callback()
289 mbox_msg->len, xfer->rx_len); in ti_sci_rx_callback()
296 memcpy(xfer->xfer_buf, mbox_msg->buf, xfer->rx_len); in ti_sci_rx_callback()
297 complete(&xfer->done); in ti_sci_rx_callback()
323 struct ti_sci_xfer *xfer; in ti_sci_get_one_xfer() local
363 xfer = &minfo->xfer_block[xfer_id]; in ti_sci_get_one_xfer()
365 hdr = (struct ti_sci_msg_hdr *)xfer->tx_message.buf; in ti_sci_get_one_xfer()
366 xfer->tx_message.len = tx_message_size; in ti_sci_get_one_xfer()
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| /Linux-v4.19/drivers/spi/ |
| D | spi-atmel.c | 443 static inline bool atmel_spi_is_vmalloc_xfer(struct spi_transfer *xfer) in atmel_spi_is_vmalloc_xfer() argument
445 return is_vmalloc_addr(xfer->tx_buf) || is_vmalloc_addr(xfer->rx_buf); in atmel_spi_is_vmalloc_xfer()
449 struct spi_transfer *xfer) in atmel_spi_use_dma() argument
451 return as->use_dma && xfer->len >= DMA_MIN_BYTES; in atmel_spi_use_dma()
456 struct spi_transfer *xfer) in atmel_spi_can_dma() argument
461 return atmel_spi_use_dma(as, xfer) && in atmel_spi_can_dma()
462 !atmel_spi_is_vmalloc_xfer(xfer); in atmel_spi_can_dma()
464 return atmel_spi_use_dma(as, xfer); in atmel_spi_can_dma()
623 struct spi_transfer *xfer) in atmel_spi_next_xfer_single() argument
626 unsigned long xfer_pos = xfer->len - as->current_remaining_bytes; in atmel_spi_next_xfer_single()
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| D | spi-axi-spi-engine.c | 132 struct spi_device *spi, struct spi_transfer *xfer) in spi_engine_get_clk_div() argument
137 xfer->speed_hz * 2); in spi_engine_get_clk_div()
147 struct spi_transfer *xfer) in spi_engine_gen_xfer() argument
149 unsigned int len = xfer->len; in spi_engine_gen_xfer()
155 if (xfer->tx_buf) in spi_engine_gen_xfer()
157 if (xfer->rx_buf) in spi_engine_gen_xfer()
199 struct spi_transfer *xfer; in spi_engine_compile_message() local
209 list_for_each_entry(xfer, &msg->transfers, transfer_list) { in spi_engine_compile_message()
210 new_clk_div = spi_engine_get_clk_div(spi_engine, spi, xfer); in spi_engine_compile_message()
221 spi_engine_gen_xfer(p, dry, xfer); in spi_engine_compile_message()
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| D | spi-loopback-test.c | 411 struct spi_transfer *xfer; in spi_test_dump_message() local
424 list_for_each_entry(xfer, &msg->transfers, transfer_list) { in spi_test_dump_message()
425 dev_info(&spi->dev, " spi_transfer@%pK\n", xfer); in spi_test_dump_message()
426 dev_info(&spi->dev, " len: %i\n", xfer->len); in spi_test_dump_message()
427 dev_info(&spi->dev, " tx_buf: %pK\n", xfer->tx_buf); in spi_test_dump_message()
428 if (dump_data && xfer->tx_buf) in spi_test_dump_message()
430 xfer->tx_buf, in spi_test_dump_message()
431 xfer->len); in spi_test_dump_message()
433 dev_info(&spi->dev, " rx_buf: %pK\n", xfer->rx_buf); in spi_test_dump_message()
434 if (dump_data && xfer->rx_buf) in spi_test_dump_message()
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| D | spi-cavium.c | 30 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 if (xfer->delay_usecs) in octeon_spi_do_transfer()
123 udelay(xfer->delay_usecs); in octeon_spi_do_transfer()
125 return xfer->len; in octeon_spi_do_transfer()
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| D | spi-dw-mid.c | 116 struct spi_device *spi, struct spi_transfer *xfer) in mid_spi_can_dma() argument
123 return xfer->len > dws->fifo_len; in mid_spi_can_dma()
150 struct spi_transfer *xfer) in dw_spi_dma_prepare_tx() argument
155 if (!xfer->tx_buf) in dw_spi_dma_prepare_tx()
168 xfer->tx_sg.sgl, in dw_spi_dma_prepare_tx()
169 xfer->tx_sg.nents, in dw_spi_dma_prepare_tx()
196 struct spi_transfer *xfer) in dw_spi_dma_prepare_rx() argument
201 if (!xfer->rx_buf) in dw_spi_dma_prepare_rx()
214 xfer->rx_sg.sgl, in dw_spi_dma_prepare_rx()
215 xfer->rx_sg.nents, in dw_spi_dma_prepare_rx()
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| D | spi.c | 254 struct spi_transfer *xfer, in spi_statistics_add_transfer_stats() argument
258 int l2len = min(fls(xfer->len), SPI_STATISTICS_HISTO_SIZE) - 1; in spi_statistics_add_transfer_stats()
268 stats->bytes += xfer->len; in spi_statistics_add_transfer_stats()
269 if ((xfer->tx_buf) && in spi_statistics_add_transfer_stats()
270 (xfer->tx_buf != ctlr->dummy_tx)) in spi_statistics_add_transfer_stats()
271 stats->bytes_tx += xfer->len; in spi_statistics_add_transfer_stats()
272 if ((xfer->rx_buf) && in spi_statistics_add_transfer_stats()
273 (xfer->rx_buf != ctlr->dummy_rx)) in spi_statistics_add_transfer_stats()
274 stats->bytes_rx += xfer->len; in spi_statistics_add_transfer_stats()
840 struct spi_transfer *xfer; in __spi_map_msg() local
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| D | spi-s3c64xx.c | 344 struct spi_transfer *xfer) in s3c64xx_spi_can_dma() argument
348 return xfer->len > (FIFO_LVL_MASK(sdd) >> 1) + 1; in s3c64xx_spi_can_dma()
352 struct spi_transfer *xfer, int dma_mode) in s3c64xx_enable_datapath() argument
371 writel(((xfer->len * 8 / sdd->cur_bpw) & 0xffff) in s3c64xx_enable_datapath()
376 if (xfer->tx_buf != NULL) { in s3c64xx_enable_datapath()
381 prepare_dma(&sdd->tx_dma, &xfer->tx_sg); in s3c64xx_enable_datapath()
386 xfer->tx_buf, xfer->len / 4); in s3c64xx_enable_datapath()
390 xfer->tx_buf, xfer->len / 2); in s3c64xx_enable_datapath()
394 xfer->tx_buf, xfer->len); in s3c64xx_enable_datapath()
400 if (xfer->rx_buf != NULL) { in s3c64xx_enable_datapath()
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| /Linux-v4.19/drivers/gpu/drm/via/ |
| D | via_dmablit.c | 96 const drm_via_dmablit_t *xfer, in via_map_blit_for_device() argument
102 unsigned char *mem_addr = xfer->mem_addr; in via_map_blit_for_device()
105 uint32_t fb_addr = xfer->fb_addr; in via_map_blit_for_device()
117 for (cur_line = 0; cur_line < xfer->num_lines; ++cur_line) { in via_map_blit_for_device()
119 line_len = xfer->line_length; in via_map_blit_for_device()
153 mem_addr += xfer->mem_stride; in via_map_blit_for_device()
154 fb_addr += xfer->fb_stride; in via_map_blit_for_device()
231 via_lock_all_dma_pages(drm_via_sg_info_t *vsg, drm_via_dmablit_t *xfer) in via_lock_all_dma_pages() argument
234 unsigned long first_pfn = VIA_PFN(xfer->mem_addr); in via_lock_all_dma_pages()
235 vsg->num_pages = VIA_PFN(xfer->mem_addr + (xfer->num_lines * xfer->mem_stride - 1)) - in via_lock_all_dma_pages()
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| /Linux-v4.19/drivers/firmware/arm_scmi/ |
| D | driver.c | 189 static void scmi_fetch_response(struct scmi_xfer *xfer, in scmi_fetch_response() argument
192 xfer->hdr.status = ioread32(mem->msg_payload); in scmi_fetch_response()
194 xfer->rx.len = min_t(size_t, xfer->rx.len, ioread32(&mem->length) - 8); in scmi_fetch_response()
197 memcpy_fromio(xfer->rx.buf, mem->msg_payload + 4, xfer->rx.len); in scmi_fetch_response()
215 struct scmi_xfer *xfer; in scmi_rx_callback() local
230 xfer = &minfo->xfer_block[xfer_id]; in scmi_rx_callback()
232 scmi_dump_header_dbg(dev, &xfer->hdr); in scmi_rx_callback()
234 if (xfer->rx.len > info->desc->max_msg_size) { in scmi_rx_callback()
236 xfer->rx.len, info->desc->max_msg_size); in scmi_rx_callback()
240 scmi_fetch_response(xfer, mem); in scmi_rx_callback()
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| /Linux-v4.19/drivers/staging/greybus/ |
| D | spilib.c | 151 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-v4.19/drivers/net/caif/ |
| D | caif_spi_slave.c | 86 memset(cfspi->xfer.va_tx, 0xFF, SPI_DMA_BUF_LEN); in cfspi_xfer()
87 memset(cfspi->xfer.va_rx, 0xFF, SPI_DMA_BUF_LEN); in cfspi_xfer()
99 ptr = (u8 *) cfspi->xfer.va_tx; in cfspi_xfer()
116 ptr = (u8 *) cfspi->xfer.va_tx; in cfspi_xfer()
123 cfspi->xfer.tx_dma_len = cfspi->tx_cpck_len + SPI_IND_SZ; in cfspi_xfer()
124 cfspi->xfer.rx_dma_len = cfspi->rx_cpck_len + SPI_CMD_SZ; in cfspi_xfer()
128 (cfspi->xfer.tx_dma_len % spi_frm_align)) { in cfspi_xfer()
130 cfspi->xfer.tx_dma_len += spi_frm_align - in cfspi_xfer()
131 (cfspi->xfer.tx_dma_len % spi_frm_align); in cfspi_xfer()
136 (cfspi->xfer.rx_dma_len % spi_frm_align)) { in cfspi_xfer()
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| /Linux-v4.19/drivers/i2c/busses/ |
| D | i2c-mlxcpld.c | 87 struct mlxcpld_i2c_curr_xfer xfer; member
230 priv->xfer.msg = msgs; in mlxcpld_i2c_set_transf_data()
231 priv->xfer.msg_num = num; in mlxcpld_i2c_set_transf_data()
239 priv->xfer.cmd = msgs[num - 1].flags & I2C_M_RD; in mlxcpld_i2c_set_transf_data()
241 if (priv->xfer.cmd == I2C_M_RD && comm_len != msgs[0].len) { in mlxcpld_i2c_set_transf_data()
242 priv->xfer.addr_width = msgs[0].len; in mlxcpld_i2c_set_transf_data()
243 priv->xfer.data_len = comm_len - priv->xfer.addr_width; in mlxcpld_i2c_set_transf_data()
245 priv->xfer.addr_width = 0; in mlxcpld_i2c_set_transf_data()
246 priv->xfer.data_len = comm_len; in mlxcpld_i2c_set_transf_data()
316 if (priv->xfer.cmd != I2C_M_RD) in mlxcpld_i2c_wait_for_tc()
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| /Linux-v4.19/drivers/base/regmap/ |
| D | regmap-i2c.c | 148 struct i2c_msg xfer[2]; in regmap_i2c_gather_write() local
157 xfer[0].addr = i2c->addr; in regmap_i2c_gather_write()
158 xfer[0].flags = 0; in regmap_i2c_gather_write()
159 xfer[0].len = reg_size; in regmap_i2c_gather_write()
160 xfer[0].buf = (void *)reg; in regmap_i2c_gather_write()
162 xfer[1].addr = i2c->addr; in regmap_i2c_gather_write()
163 xfer[1].flags = I2C_M_NOSTART; in regmap_i2c_gather_write()
164 xfer[1].len = val_size; in regmap_i2c_gather_write()
165 xfer[1].buf = (void *)val; in regmap_i2c_gather_write()
167 ret = i2c_transfer(i2c->adapter, xfer, 2); in regmap_i2c_gather_write()
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| /Linux-v4.19/drivers/iio/imu/ |
| D | adis16400_buffer.c | 28 kfree(adis->xfer); in adis16400_update_scan_mode()
36 adis->xfer = kcalloc(2, sizeof(*adis->xfer), GFP_KERNEL); in adis16400_update_scan_mode()
37 if (!adis->xfer) in adis16400_update_scan_mode()
48 adis->xfer[0].tx_buf = tx; in adis16400_update_scan_mode()
49 adis->xfer[0].bits_per_word = 8; in adis16400_update_scan_mode()
50 adis->xfer[0].len = 2; in adis16400_update_scan_mode()
51 adis->xfer[1].rx_buf = adis->buffer; in adis16400_update_scan_mode()
52 adis->xfer[1].bits_per_word = 8; in adis16400_update_scan_mode()
53 adis->xfer[1].len = burst_length; in adis16400_update_scan_mode()
56 spi_message_add_tail(&adis->xfer[0], &adis->msg); in adis16400_update_scan_mode()
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| D | adis_buffer.c | 32 kfree(adis->xfer); in adis_update_scan_mode()
37 adis->xfer = kcalloc(scan_count + 1, sizeof(*adis->xfer), GFP_KERNEL); in adis_update_scan_mode()
38 if (!adis->xfer) in adis_update_scan_mode()
51 adis->xfer[j].bits_per_word = 8; in adis_update_scan_mode()
53 adis->xfer[j].cs_change = 1; in adis_update_scan_mode()
54 adis->xfer[j].len = 2; in adis_update_scan_mode()
55 adis->xfer[j].delay_usecs = adis->data->read_delay; in adis_update_scan_mode()
57 adis->xfer[j].tx_buf = &tx[j]; in adis_update_scan_mode()
59 adis->xfer[j].rx_buf = &rx[j - 1]; in adis_update_scan_mode()
60 spi_message_add_tail(&adis->xfer[j], &adis->msg); in adis_update_scan_mode()
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| /Linux-v4.19/drivers/input/touchscreen/ |
| D | cyttsp_spi.c | 48 struct spi_transfer xfer[2]; in cyttsp_spi_xfer() local
70 memset(xfer, 0, sizeof(xfer)); in cyttsp_spi_xfer()
77 xfer[0].tx_buf = wr_buf; in cyttsp_spi_xfer()
78 xfer[0].rx_buf = rd_buf; in cyttsp_spi_xfer()
81 xfer[0].len = length + CY_SPI_CMD_BYTES; in cyttsp_spi_xfer()
82 spi_message_add_tail(&xfer[0], &msg); in cyttsp_spi_xfer()
86 xfer[0].len = CY_SPI_CMD_BYTES; in cyttsp_spi_xfer()
87 spi_message_add_tail(&xfer[0], &msg); in cyttsp_spi_xfer()
89 xfer[1].rx_buf = buf; in cyttsp_spi_xfer()
90 xfer[1].len = length; in cyttsp_spi_xfer()
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| D | ad7877.c | 161 struct spi_transfer xfer[6]; member
191 struct spi_transfer xfer[AD7877_NR_SENSE + 2]; member
226 req->xfer[0].tx_buf = &req->command; in ad7877_read()
227 req->xfer[0].len = 2; in ad7877_read()
228 req->xfer[0].cs_change = 1; in ad7877_read()
230 req->xfer[1].rx_buf = &req->sample; in ad7877_read()
231 req->xfer[1].len = 2; in ad7877_read()
233 spi_message_add_tail(&req->xfer[0], &req->msg); in ad7877_read()
234 spi_message_add_tail(&req->xfer[1], &req->msg); in ad7877_read()
256 req->xfer[0].tx_buf = &req->command; in ad7877_write()
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| D | cyttsp4_spi.c | 51 struct spi_transfer xfer[2]; in cyttsp_spi_xfer() local
73 memset(xfer, 0, sizeof(xfer)); in cyttsp_spi_xfer()
80 xfer[0].tx_buf = wr_buf; in cyttsp_spi_xfer()
81 xfer[0].rx_buf = rd_buf; in cyttsp_spi_xfer()
84 xfer[0].len = length + CY_SPI_CMD_BYTES; in cyttsp_spi_xfer()
85 spi_message_add_tail(&xfer[0], &msg); in cyttsp_spi_xfer()
89 xfer[0].len = CY_SPI_RD_HEADER_BYTES; in cyttsp_spi_xfer()
90 spi_message_add_tail(&xfer[0], &msg); in cyttsp_spi_xfer()
92 xfer[1].rx_buf = buf; in cyttsp_spi_xfer()
93 xfer[1].len = length; in cyttsp_spi_xfer()
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| /Linux-v4.19/sound/soc/codecs/ |
| D | rl6347a.c | 65 struct i2c_msg xfer[2]; in rl6347a_hw_read() local
86 xfer[0].addr = client->addr; in rl6347a_hw_read()
87 xfer[0].flags = 0; in rl6347a_hw_read()
88 xfer[0].len = 4; in rl6347a_hw_read()
89 xfer[0].buf = (u8 *)&be_reg; in rl6347a_hw_read()
92 xfer[1].addr = client->addr; in rl6347a_hw_read()
93 xfer[1].flags = I2C_M_RD; in rl6347a_hw_read()
94 xfer[1].len = 4; in rl6347a_hw_read()
95 xfer[1].buf = (u8 *)&buf; in rl6347a_hw_read()
97 ret = i2c_transfer(client->adapter, xfer, 2); in rl6347a_hw_read()
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| /Linux-v4.19/drivers/gpu/drm/exynos/ |
| D | exynos_drm_dsi.c | 958 struct exynos_dsi_transfer *xfer) in exynos_dsi_send_to_fifo() argument
961 struct mipi_dsi_packet *pkt = &xfer->packet; in exynos_dsi_send_to_fifo()
962 const u8 *payload = pkt->payload + xfer->tx_done; in exynos_dsi_send_to_fifo()
963 u16 length = pkt->payload_length - xfer->tx_done; in exynos_dsi_send_to_fifo()
964 bool first = !xfer->tx_done; in exynos_dsi_send_to_fifo()
968 xfer, length, xfer->tx_done, xfer->rx_len, xfer->rx_done); in exynos_dsi_send_to_fifo()
973 xfer->tx_done += length; in exynos_dsi_send_to_fifo()
1007 if (NEQV(xfer->flags & MIPI_DSI_MSG_USE_LPM, in exynos_dsi_send_to_fifo()
1009 exynos_dsi_set_cmd_lpm(dsi, xfer->flags & MIPI_DSI_MSG_USE_LPM); in exynos_dsi_send_to_fifo()
1015 if (xfer->flags & MIPI_DSI_MSG_REQ_ACK) in exynos_dsi_send_to_fifo()
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| /Linux-v4.19/drivers/mfd/ |
| D | tps6507x.c | 41 struct i2c_msg xfer[2]; in tps6507x_i2c_read_device() local
45 xfer[0].addr = i2c->addr; in tps6507x_i2c_read_device()
46 xfer[0].flags = 0; in tps6507x_i2c_read_device()
47 xfer[0].len = 1; in tps6507x_i2c_read_device()
48 xfer[0].buf = ® in tps6507x_i2c_read_device()
51 xfer[1].addr = i2c->addr; in tps6507x_i2c_read_device()
52 xfer[1].flags = I2C_M_RD; in tps6507x_i2c_read_device()
53 xfer[1].len = bytes; in tps6507x_i2c_read_device()
54 xfer[1].buf = dest; in tps6507x_i2c_read_device()
56 ret = i2c_transfer(i2c->adapter, xfer, 2); in tps6507x_i2c_read_device()
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| /Linux-v4.19/include/trace/events/ |
| D | spi.h | 114 TP_PROTO(struct spi_message *msg, struct spi_transfer *xfer),
116 TP_ARGS(msg, xfer),
121 __field( struct spi_transfer *, xfer )
128 __entry->xfer = xfer;
129 __entry->len = xfer->len;
134 (struct spi_message *)__entry->xfer,
140 TP_PROTO(struct spi_message *msg, struct spi_transfer *xfer),
142 TP_ARGS(msg, xfer)
148 TP_PROTO(struct spi_message *msg, struct spi_transfer *xfer),
150 TP_ARGS(msg, xfer)
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| /Linux-v4.19/drivers/input/rmi4/ |
| D | rmi_spi.c | 123 struct spi_transfer *xfer; in rmi_spi_xfer() local
190 xfer = &rmi_spi->tx_xfers[i]; in rmi_spi_xfer()
191 memset(xfer, 0, sizeof(struct spi_transfer)); in rmi_spi_xfer()
192 xfer->tx_buf = &rmi_spi->tx_buf[i]; in rmi_spi_xfer()
193 xfer->len = 1; in rmi_spi_xfer()
194 xfer->delay_usecs = spi_data->write_delay_us; in rmi_spi_xfer()
195 spi_message_add_tail(xfer, &msg); in rmi_spi_xfer()
198 xfer = rmi_spi->tx_xfers; in rmi_spi_xfer()
199 memset(xfer, 0, sizeof(struct spi_transfer)); in rmi_spi_xfer()
200 xfer->tx_buf = rmi_spi->tx_buf; in rmi_spi_xfer()
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