Signed-off-by: Baruch Siach <[email protected]>
---
 Documentation/spi/spi-summary | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/spi/spi-summary b/Documentation/spi/spi-summary
index f21edb983413..6bd55b9473ca 100644
--- a/Documentation/spi/spi-summary
+++ b/Documentation/spi/spi-summary
@@ -545,6 +545,16 @@ SPI MASTER METHODS
        spi_finalize_current_message() so the subsystem can issue the next
        transfer. This may sleep.
 
+    master->transfer_one(struct spi_master *master, struct spi_device *spi,
+                        struct spi_transfer *transfer)
+       The subsystem calls the driver to transfer a single transfer while
+       queuing transfers that arrive in the meantime. When the driver is
+       finished with this message, it must call
+       spi_finalize_current_transfer() so the subsystem can issue the next
+       transfer. This may sleep. Note: transfer_one and transfer_one_message
+       are mutually exclusive; when both are set, transfer_one takes
+       precedence.
+
     DEPRECATED METHODS
 
     master->transfer(struct spi_device *spi, struct spi_message *message)
-- 
1.8.5.2

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