Commit b671358a authored Nov 22, 2014 by Beniamino Galvani Committed by Mark Brown Nov 24, 2014

spi: core: Add spi_transfer_is_last() helper



This adds the function spi_transfer_is_last() which can be used by
drivers to know whether a given transfer is the last one in the
current message.

Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

parent 5d01410f

include/linux/spi/spi.h

+6 −0

Original line number	Diff line number	Diff line
		@@ -1049,4 +1049,10 @@ spi_unregister_device(struct spi_device *spi)
		extern const struct spi_device_id *
		spi_get_device_id(const struct spi_device *sdev);

		static inline bool
		spi_transfer_is_last(struct spi_master master, struct spi_transfer xfer)
		{
		return list_is_last(&xfer->transfer_list, &master->cur_msg->transfers);
		}

		#endif /* __LINUX_SPI_H */