spi: mxc_spi: remove redundant code in spi_xchg_single()

The value of cnt is overwritten without being used.

Signed-off-by: Haolin Li <li.haolin@qq.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>

diff --git a/drivers/spi/mxc_spi.c b/drivers/spi/mxc_spi.c
index 3c53de1..5adfdf8 100644 (file)
--- a/drivers/spi/mxc_spi.c
+++ b/drivers/spi/mxc_spi.c
@@ -391,8 +391,6 @@ int spi_xchg_single(struct mxc_spi_slave *mxcs, unsigned int bitlen,
 
        nbytes = DIV_ROUND_UP(bitlen, 8);
 
-       cnt = nbytes % 32;
-
        if (bitlen % 32) {
                data = reg_read(&regs->rxdata);
                cnt = (bitlen % 32) / 8;