aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/spi/spi-dw-core.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/spi/spi-dw-core.c b/drivers/spi/spi-dw-core.c
index 0274c9295514..722b5eb1f709 100644
--- a/drivers/spi/spi-dw-core.c
+++ b/drivers/spi/spi-dw-core.c
@@ -6,6 +6,7 @@
*/
#include <linux/bitfield.h>
+#include <linux/bitops.h>
#include <linux/dma-mapping.h>
#include <linux/interrupt.h>
#include <linux/module.h>
@@ -421,10 +422,7 @@ static int dw_spi_transfer_one(struct spi_controller *host,
int ret;
dws->dma_mapped = 0;
- dws->n_bytes =
- roundup_pow_of_two(DIV_ROUND_UP(transfer->bits_per_word,
- BITS_PER_BYTE));
-
+ dws->n_bytes = roundup_pow_of_two(BITS_TO_BYTES(transfer->bits_per_word));
dws->tx = (void *)transfer->tx_buf;
dws->tx_len = transfer->len / dws->n_bytes;
dws->rx = transfer->rx_buf;