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Diffstat (limited to 'include/linux/spi')
-rw-r--r--include/linux/spi/spi.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 3e9479134d9d..28e440be1c07 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -310,7 +310,7 @@ struct spi_master {
u32 bits_per_word_mask;
#define SPI_BPW_MASK(bits) BIT((bits) - 1)
#define SPI_BIT_MASK(bits) (((bits) == 32) ? ~0UL : (BIT(bits) - 1))
-#define SPI_BPW_RANGE_MASK(min, max) (SPI_BIT_MASK(max) - SPI_BIT_MASK(min))
+#define SPI_BPW_RANGE_MASK(min, max) (SPI_BIT_MASK(max) - SPI_BIT_MASK(min - 1))
/* other constraints relevant to this driver */
u16 flags;