Lines Matching refs:may

22 device, so those three signal wires may be connected to several chips
31   - SPI may be used for request/response style device protocols, as with
34   - It may also be used to stream data in either direction (half duplex),
37   - Some devices may use eight bit words.  Others may use different word
60 course they won't handle full duplex transfers.  You may find such
109    clock edge.  The chipselect may have made it become available.
142   Controller drivers ... controllers may be built into System-On-Chip
144 	These drivers touch hardware registers and may use DMA.
200 devices, and the controller may need some platform_data in order to
247 			 * production boards may already have done this, but
254 Notice how the platform_data for boards may be different, even if the
288 Again, notice how board-specific information is provided; each chip may need
294 (There's also "controller_data", information that may be useful to the
377 As soon as it enters probe(), the driver may issue I/O requests to
414   - The basic I/O primitive is spi_async().  Async requests may be
422     may be issued only in contexts that may sleep, and they're all
427     cost of an extra copy may be ignored.  It's designed to support
432 Some drivers may need to modify spi_device characteristics like the
511 	Drivers may change the defaults provided by board_info, and then
512 	call spi_setup(spi) to invoke this routine.  It may sleep.
524 	Your controller driver may use spi_device.controller_state to hold
532 	This may sleep.
536 	that there are no more messages pending in the queue and it may
537 	relax the hardware (e.g. by power management calls). This may sleep.
545 	message. This may sleep.
553 	transfer. This may sleep. Note: transfer_one and transfer_one_message