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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>
This commit is contained in:
Axel Lin 2013-08-30 11:00:23 +08:00 committed by Mark Brown
parent 272b98c645
commit e91d2352bb
3 changed files with 3 additions and 3 deletions
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2
drivers/spi/spi-tegra114.c
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@ -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;

2
drivers/spi/spi-tegra20-sflash.c
View File

@ -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;

2
drivers/spi/spi-tegra20-slink.c
View File

@ -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;