| /kernel/linux/linux-5.10/drivers/spi/ |
| D | spi-loopback-test.c | 83 .transfers = {
97 .transfers = {
110 .transfers = {
122 .transfers = {
135 .transfers = {
152 .transfers = {
169 .transfers = {
186 .transfers = {
202 .transfers = {
219 .transfers = {
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| D | spi-fsl-espi.c | 160 first = list_first_entry(&m->transfers, struct spi_transfer, in fsl_espi_check_message()
163 list_for_each_entry(t, &m->transfers, transfer_list) { in fsl_espi_check_message()
198 list_for_each_entry(t, &m->transfers, transfer_list) { in fsl_espi_check_rxskip_mode()
406 espi->m_transfers = &m->transfers; in fsl_espi_trans()
407 espi->tx_t = list_first_entry(&m->transfers, struct spi_transfer, in fsl_espi_trans()
411 espi->rx_t = list_first_entry(&m->transfers, struct spi_transfer, in fsl_espi_trans()
447 list_for_each_entry(t, &m->transfers, transfer_list) { in fsl_espi_do_one_msg()
462 t = list_first_entry(&m->transfers, struct spi_transfer, in fsl_espi_do_one_msg()
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| D | spi-cavium.c | 135 list_for_each_entry(xfer, &msg->transfers, transfer_list) { in octeon_spi_transfer_one_message()
137 &msg->transfers); in octeon_spi_transfer_one_message()
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| D | spi.c | 157 SPI_STATISTICS_SHOW(transfers, "%lu");
300 stats->transfers++; in spi_statistics_add_transfer_stats()
973 list_for_each_entry(xfer, &msg->transfers, transfer_list) { in __spi_map_msg()
1020 list_for_each_entry(xfer, &msg->transfers, transfer_list) { in __spi_unmap_msg()
1051 list_for_each_entry(xfer, &msg->transfers, transfer_list) { in spi_unmap_msg()
1076 list_for_each_entry(xfer, &msg->transfers, transfer_list) { in spi_map_msg()
1103 list_for_each_entry(xfer, &msg->transfers, in spi_map_msg()
1272 list_for_each_entry(xfer, &msg->transfers, transfer_list) { in spi_transfer_one_message()
1332 &msg->transfers)) { in spi_transfer_one_message()
1528 list_for_each_entry(xfer, &msg->transfers, transfer_list) { in __spi_pump_messages()
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| /kernel/linux/linux-5.10/Documentation/i2c/ |
| D | i2c-topology.rst | 23 I2C transfers, and all adapters with a parent are part of an "i2c-mux"
86 select and/or deselect operations must use I2C transfers to complete
88 full transaction, unrelated I2C transfers may interleave the different
112 number (one, in most cases) of I2C transfers. Unrelated I2C transfers
143 4. M1 (presumably) does some I2C transfers as part of its select.
144 These transfers are normal I2C transfers that locks the parent
162 has to ensure that any and all I2C transfers through that parent
163 adapter during the transaction are unlocked I2C transfers (using e.g.
172 and the parent mux issues I2C transfers as part of its select).
177 pinctrl, regmap or iio, it is essential that any I2C transfers
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| /kernel/linux/linux-5.10/Documentation/usb/ |
| D | ohci.rst | 22 - interrupt transfers can be larger, and can be queued
29 transfers. Previously, using periods of one frame would risk data loss due
30 to overhead in IRQ processing. When interrupt transfers are queued, those
31 risks can be minimized by making sure the hardware always has transfers to
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| D | ehci.rst | 59 and interrupt transfers, including requests to USB 1.1 devices through
67 transfers can't share much code with the code for high speed ISO transfers,
74 Transfers of all types can be queued. This means that control transfers
76 ones from another driver, and that interrupt transfers can use periods
88 transactions (interrupt and isochronous transfers). These place some
125 and bulk transfers. Shows each active qh and the qtds
130 and isochronous transfers. Doesn't show qtds.
140 can't, such as "high bandwidth" periodic (interrupt or ISO) transfers.
142 periodic transfers) use different encodings when operating at high speed.
160 Bulk transfers are most often used where throughput is an issue. It's
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| /kernel/linux/linux-5.10/Documentation/driver-api/dmaengine/ |
| D | provider.rst | 11 They have a given number of channels to use for the DMA transfers, and
41 really efficient, you'll get several bigger transfers. This is done
44 transfer into smaller sub-transfers.
46 Our theoretical DMA controller would then only be able to do transfers
48 transfers we usually have are not, and want to copy data from
52 DMAEngine, at least for mem2dev transfers, require support for
80 memory-to-device (mem2dev) kind of transfers. Most devices often
81 support other kind of transfers or memory operations that dmaengine
91 Over time, the need for memory to device transfers arose, and
125 (i.e. excluding mem2mem transfers)
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| D | pxa_dma.rst | 19 b) All transfers having asked for confirmation should be signaled
115 This will speed up residue calculation, for large transfers such as video
129 - calling all the transfer callbacks of finished transfers, based on
138 transfers will be scanned for all of their descriptors against the
144 - there are not "acked" transfers (tx0)
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| /kernel/linux/linux-5.10/Documentation/spi/ |
| D | pxa2xx.rst | 10 - SSP PIO and SSP DMA data transfers.
18 launching the dma/interrupt driven transfers.
106 fifo overruns (especially in PIO mode transfers). Good default values are::
116 to determine the correct value. An SSP configured for byte-wide transfers would
171 .dma_burst_size = 8, /* Byte wide transfers used so 8 byte bursts */
179 .dma_burst_size = 8, /* Byte wide transfers used so 8 byte bursts */
214 transfers. The driver defaults to PIO mode and DMA transfers must be enabled
222 always use PIO transfers
226 use PIO transfers
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| /kernel/linux/linux-5.10/Documentation/core-api/ |
| D | dma-isa-lpc.rst | 7 This document describes how to do DMA transfers using the old ISA DMA
22 The second contains the routines specific to ISA DMA transfers. Since
34 (You usually need a special buffer for DMA transfers instead of
69 8-bit transfers and the upper four are for 16-bit transfers.
80 The ability to use 16-bit or 8-bit transfers is _not_ up to you as a
105 be 16-bit aligned for 16-bit transfers) and how many bytes to
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| /kernel/linux/linux-5.10/Documentation/ABI/testing/ |
| D | sysfs-bus-mdio | 9 What: /sys/bus/mdio_bus/devices/.../statistics/transfers
14 Total number of transfers for this MDIO bus.
42 Total number of transfers for this MDIO bus address.
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| D | sysfs-module | 18 Description: Maximum time allowed for periodic transfers per microframe (μs)
21 USB 2.0 sets maximum allowed time for periodic transfers per
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| /kernel/linux/linux-5.10/drivers/usb/gadget/udc/ |
| D | Kconfig | 154 zero (for control transfers).
175 supports both full and high speed USB 2.0 data transfers.
187 that supports both full and high speed USB 2.0 data transfers.
201 that supports super, high, and full speed USB 3.0 data transfers.
215 control transfers).
227 endpoints, as well as endpoint zero (for control transfers).
299 supports both full and high speed USB 2.0 data transfers.
349 both full and high speed USB 2.0 data transfers.
372 supports both full and high speed USB 2.0 data transfers.
375 (for control transfers) and several endpoints with dedicated
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/dma/xilinx/ |
| D | zynqmp_dma.txt | 1 Xilinx ZynqMP DMA engine, it does support memory to memory transfers,
2 memory to device and device to memory transfers. It also has flow
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| D | xilinx_dma.txt | 1 Xilinx AXI VDMA engine, it does transfers between memory and video devices.
6 Xilinx AXI DMA engine, it does transfers between memory and AXI4 stream
11 Xilinx AXI CDMA engine, it does transfers between memory-mapped source
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/dma/ |
| D | st_fdma.txt | 59 0x0: no address increment between transfers
60 0x1: increment address between transfers
64 4. transfers type
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| D | adi,axi-dmac.txt | 33 transfers.
34 - adi,2d: Must be set if the channel supports hardware 2D DMA transfers.
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| /kernel/linux/linux-5.10/drivers/usb/musb/ |
| D | Kconfig | 145 Enable DMA transfers on UX500 platforms.
151 Enable DMA transfers using Mentor's engine.
157 Enable DMA transfers when TI CPPI DMA is available.
169 Enable DMA transfers on TUSB 6010 when OMAP DMA is available.
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| /kernel/linux/linux-5.10/Documentation/driver-api/usb/ |
| D | URB.rst | 67 // (IN) buffer used for data transfers
78 // Only for PERIODIC transfers (ISO, INTERRUPT)
150 - Too many queued ISO transfers (``-EAGAIN``)
224 transferred. That's because USB transfers are packetized; it might take
239 How to do isochronous (ISO) transfers?
243 have to set ``urb->interval`` to say how often to make transfers; it's
249 For ISO transfers you also have to fill a :c:type:`usb_iso_packet_descriptor`
275 How to start interrupt (INT) transfers?
278 Interrupt transfers, like isochronous transfers, are periodic, and happen
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| /kernel/linux/linux-5.10/Documentation/driver-api/rapidio/ |
| D | mport_cdev.rst | 49 - Allocate/Free contiguous DMA coherent memory buffer for DMA data transfers
51 - Initiate DMA data transfers to/from remote RapidIO devices (RIO_TRANSFER).
75 specific DMA engine support and therefore DMA data transfers mport_cdev driver
109 - Add memory mapped DMA data transfers as an option when RapidIO-specific DMA
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| /kernel/linux/linux-5.10/drivers/rapidio/ |
| D | Kconfig | 35 than Maintenance transfers.
44 transfers to/from target RIO devices. RapidIO uses NREAD and
47 capable to perform data transfers to/from RapidIO.
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| /kernel/linux/linux-5.10/Documentation/fb/ |
| D | udlfb.rst | 15 pixels line-by-line via USB bulk transfers.
17 Because of the efficiency of bulk transfers and a protocol on top that
22 Mode setting, EDID read, etc are other bulk or control transfers. Mode
46 Writes need to be detected and encoded into USB bulk transfers by the CPU.
120 do not transmit. Spends host memory to save USB transfers.
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| /kernel/linux/linux-5.10/include/linux/spi/ |
| D | spi.h | 60 unsigned long transfers; member
1003 struct list_head transfers; member
1040 INIT_LIST_HEAD(&m->transfers); in spi_message_init_no_memset()
1053 list_add_tail(&t->transfer_list, &m->transfers); in spi_message_add_tail()
1519 return list_is_last(&xfer->transfer_list, &ctlr->cur_msg->transfers); in spi_transfer_is_last()
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| /kernel/linux/linux-5.10/drivers/staging/greybus/ |
| D | spilib.c | 131 if (last_xfer == list_last_entry(&msg->transfers, in setup_next_xfer()
154 if (xfer == list_last_entry(&msg->transfers, struct spi_transfer, in get_next_xfer()
242 gb_xfer = &request->transfers[0]; in gb_spi_operation_create()
332 spi->first_xfer = list_first_entry_or_null(&msg->transfers, in gb_spi_transfer_one_message()
|