spi: fsl_espi: 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/fsl_espi.c b/drivers/spi/fsl_espi.c
index fc0a58be2998381198e4b9411a42a20d9cda6f44..c883d3cac068e02cfb3a8831cd06fc78fc5130c6 100644 (file)
--- a/drivers/spi/fsl_espi.c
+++ b/drivers/spi/fsl_espi.c
@@ -221,15 +221,13 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *data_out,
              slave->bus, slave->cs, *(uint *) dout,
              dout, *(uint *) din, din, len);
 
-       num_chunks = data_len / max_tran_len +
-               (data_len % max_tran_len ? 1 : 0);
+       num_chunks = DIV_ROUND_UP(data_len, max_tran_len);
        while (num_chunks--) {
                if (data_in)
                        din = buffer + rx_offset;
                dout = buffer;
                tran_len = min(data_len , max_tran_len);
-               num_blks = (tran_len + cmd_len) / 4 +
-                       ((tran_len + cmd_len) % 4 ? 1 : 0);
+               num_blks = DIV_ROUND_UP(tran_len + cmd_len, 4);
                num_bytes = (tran_len + cmd_len) % 4;
                fsl->data_len = tran_len + cmd_len;
                spi_cs_activate(slave);