spi: tegra: Use DIV_ROUND_UP instead of open coded

This also makes the intention more clear.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

3 files changed, 3 insertions, 3 deletions

diff --git a/drivers/spi/spi-tegra114.c b/drivers/spi/spi-tegra114.c
index 145dd435483b..946ff7377352 100644
--- a/drivers/spi/spi-tegra114.c
+++ b/drivers/spi/spi-tegra114.c
@@ -267,7 +267,7 @@ static unsigned tegra_spi_calculate_curr_xfer_param(
         unsigned max_len;
         unsigned total_fifo_words;
 
-        tspi->bytes_per_word = (bits_per_word - 1) / 8 + 1;
+        tspi->bytes_per_word = DIV_ROUND_UP(bits_per_word, 8);
 
         if (bits_per_word == 8 || bits_per_word == 16) {
                 tspi->is_packed = 1;
diff --git a/drivers/spi/spi-tegra20-sflash.c b/drivers/spi/spi-tegra20-sflash.c
index 1d814dc6e000..64c9cf511175 100644
--- a/drivers/spi/spi-tegra20-sflash.c
+++ b/drivers/spi/spi-tegra20-sflash.c
@@ -173,7 +173,7 @@ static unsigned tegra_sflash_calculate_curr_xfer_param(
         unsigned remain_len = t->len - tsd->cur_pos;
         unsigned max_word;
 
-        tsd->bytes_per_word = (t->bits_per_word - 1) / 8 + 1;
+        tsd->bytes_per_word = DIV_ROUND_UP(t->bits_per_word, 8);
         max_word = remain_len / tsd->bytes_per_word;
         if (max_word > SPI_FIFO_DEPTH)
                 max_word = SPI_FIFO_DEPTH;
diff --git a/drivers/spi/spi-tegra20-slink.c b/drivers/spi/spi-tegra20-slink.c
index c70353672a23..231b84523d37 100644
--- a/drivers/spi/spi-tegra20-slink.c
+++ b/drivers/spi/spi-tegra20-slink.c
@@ -283,7 +283,7 @@ static unsigned tegra_slink_calculate_curr_xfer_param(
         unsigned total_fifo_words;
 
         bits_per_word = t->bits_per_word;
-        tspi->bytes_per_word = (bits_per_word - 1) / 8 + 1;
+        tspi->bytes_per_word = DIV_ROUND_UP(bits_per_word, 8);
 
         if (bits_per_word == 8 || bits_per_word == 16) {
                 tspi->is_packed = 1;