spi: mpc8xxx_spi: Use DIV_ROUND_UP instead of open-coded

Use DIV_ROUND_UP to simplify the code.

Signed-off-by: Axel Lin <axel.lin@ingics.com>

diff --git a/drivers/spi/mpc8xxx_spi.c b/drivers/spi/mpc8xxx_spi.c
index bbfc259e47382e8c690289bcb445deb0beaf6977..348361a7fd078d1cbcc5f1a0f926faa2a7173c03 100644 (file)
--- a/drivers/spi/mpc8xxx_spi.c
+++ b/drivers/spi/mpc8xxx_spi.c
@@ -77,7 +77,7 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
 {
        volatile spi8xxx_t *spi = &((immap_t *) (CONFIG_SYS_IMMR))->spi;
        unsigned int tmpdout, tmpdin, event;
-       int numBlks = bitlen / 32 + (bitlen % 32 ? 1 : 0);
+       int numBlks = DIV_ROUND_UP(bitlen, 32);
        int tm, isRead = 0;
        unsigned char charSize = 32;