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authorAxel Lin <axel.lin@ingics.com>2013-08-30 07:00:23 +0400
committerMark Brown <broonie@linaro.org>2013-09-17 03:24:56 +0400
commite91d2352bb6ebd061b362b3c632ec517ac0c23b1 (patch)
tree9f7367a2ffd833b3e8f6b6e134f651af7c7e05e8
parent272b98c6455f00884f0350f775c5342358ebb73f (diff)
downloadlinux-e91d2352bb6ebd061b362b3c632ec517ac0c23b1.tar.xz
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>
-rw-r--r--drivers/spi/spi-tegra114.c2
-rw-r--r--drivers/spi/spi-tegra20-sflash.c2
-rw-r--r--drivers/spi/spi-tegra20-slink.c2
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;