1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 6ff26c8db7b9..173725622252 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -308,6 +308,8 @@ struct spi_master {
 
         /* bitmask of supported bits_per_word for transfers */
         u32                     bits_per_word_mask;
+#define SPI_BPW_MASK(bits) BIT((bits) - 1)
+#define SPI_BPW_RANGE_MASK(min, max) ((BIT(max) - 1) - (BIT(min) - 1))
 
         /* other constraints relevant to this driver */
         u16                     flags;