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-rw-r--r--include/linux/spi/spi.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 9bfdfaf286eb..797ef28fa7d5 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -825,6 +825,7 @@ extern void spi_res_release(struct spi_controller *ctlr,
* transfer. If 0 the default (from @spi_device) is used.
* @bits_per_word: select a bits_per_word other than the device default
* for this transfer. If 0 the default (from @spi_device) is used.
+ * @dummy_data: indicates transfer is dummy bytes transfer.
* @cs_change: affects chipselect after this transfer completes
* @cs_change_delay: delay between cs deassert and assert when
* @cs_change is set and @spi_transfer is not the last in @spi_message
@@ -937,6 +938,7 @@ struct spi_transfer {
struct sg_table tx_sg;
struct sg_table rx_sg;
+ unsigned dummy_data:1;
unsigned cs_change:1;
unsigned tx_nbits:3;
unsigned rx_nbits:3;