mxs: spl: use writel() to Set/Clear registers rather than {set|clear}bits_le32()...

[karo-tx-uboot.git] / drivers / spi / mpc8xxx_spi.c

diff --git a/drivers/spi/mpc8xxx_spi.c b/drivers/spi/mpc8xxx_spi.c
index bbfc259e47382e8c690289bcb445deb0beaf6977..0d59c361513319f796ac6bf82671616d07b67625 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;
 
@@ -110,10 +110,10 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
                if (bitlen <= 16) {
                        if (bitlen <= 4)
                                spi->mode = (spi->mode & 0xff0fffff) |
-                                           (3 << 20);
+                                           (3 << 20);
                        else
                                spi->mode = (spi->mode & 0xff0fffff) |
-                                           ((bitlen - 1) << 20);
+                                           ((bitlen - 1) << 20);
                } else {
                        spi->mode = (spi->mode & 0xff0fffff);
                        /* Set up the next iteration if sending > 32 bits */