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@xxxxxxxxx>
---
include/linux/spi/spi.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 46d188a..a6ef2a8 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -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 */
--
1.9.1
--
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