linux/spi/spi.h

42  * struct spi_statistics - statistics for spi transfers
47  * @transfers:     number of spi_transfers handled
65  *                 number of transfers that have been split because of
72 	u64_stats_t		transfers;  member
145  * @bits_per_word: Data transfers involve one or more words; word sizes
430  *	It's always safe to call this unless transfers are pending on
470  *	message while queuing transfers that arrive in the meantime. When the
535  *	for spi_sync transfers.
580 	/* Bitmask of supported bits_per_word for transfers */
637 	 * IMPORTANT:  this may be called when transfers to another
639 	 * which could break those transfers.
654 	 * Bidirectional bulk transfers
670 	 * + The message transfers use clock and SPI mode parameters
768 	 * transfers (needed e.g. for reading the time of POSIX clocks)
982  * @transfer_list: transfers are sequenced through @spi_message.transfers
1011  * SPI transfers always write the same number of bytes as they read.
1034  * All SPI transfers start with the relevant chipselect active.  Normally
1063  * and its transfers, ignore them until its completion callback.
1112  * @transfers: list of transfer segments in this transaction
1127  * A @spi_message is used to execute an atomic sequence of data transfers,
1139  * and its transfers, ignore them until its completion callback.
1142 	struct list_head	transfers;  member
1184 	INIT_LIST_HEAD(&m->transfers);  in spi_message_init_no_memset()
1197 	list_add_tail(&t->transfer_list, &m->transfers);  in spi_message_add_tail()
1213  * spi_message_init_with_transfers - Initialize spi_message and append transfers
1215  * @xfers: An array of SPI transfers
1341  * @replaced_transfers: transfers that have been replaced and which need
1345  * @inserted:           number of transfers inserted
1458 /* This copies txbuf and rxbuf data; for small transfers only! */
1670 	return list_is_last(&xfer->transfer_list, &ctlr->cur_msg->transfers);  in spi_transfer_is_last()