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-rw-r--r--include/linux/spi/spi.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index ae0a5286f55..92e52a1e6af 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -213,6 +213,9 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv)
* @dma_alignment: SPI controller constraint on DMA buffers alignment.
* @mode_bits: flags understood by this controller driver
* @flags: other constraints relevant to this driver
+ * @bus_lock_spinlock: spinlock for SPI bus locking
+ * @bus_lock_mutex: mutex for SPI bus locking
+ * @bus_lock_flag: indicates that the SPI bus is locked for exclusive use
* @setup: updates the device mode and clocking records used by a
* device's SPI controller; protocol code may call this. This
* must fail if an unrecognized or unsupported mode is requested.