spi: mpc8xxx: Rename variable

The variable "char_size" holds the number of bits to be transferred in
the current loop iteration. A better name would be "xfer_bitlen", which
we rename this variable to.

Signed-off-by: Mario Six <mario.six@gdsys.cc>
Acked-by: Jagan Teki <jagan@amarulasolutions.com>

diff --git a/drivers/spi/mpc8xxx_spi.c b/drivers/spi/mpc8xxx_spi.c
index 83fd8b3..63d956a 100644 (file)
--- a/drivers/spi/mpc8xxx_spi.c
+++ b/drivers/spi/mpc8xxx_spi.c
@@ -114,10 +114,10 @@ int spi_xfer(struct spi_slave *slave, uint bitlen, const void *dout, void *din,
        while (num_blks--) {
                int tm;
                u32 tmpdout = 0;
-               uchar char_size = (bitlen >= 32 ? 32 : bitlen);
+               uchar xfer_bitlen = (bitlen >= 32 ? 32 : bitlen);
 
                /* Shift data so it's msb-justified */
-               tmpdout = *(u32 *)dout >> (32 - char_size);
+               tmpdout = *(u32 *)dout >> (32 - xfer_bitlen);
 
                /* The LEN field of the SPMODE register is set as follows:
                 *
@@ -165,8 +165,8 @@ int spi_xfer(struct spi_slave *slave, uint bitlen, const void *dout, void *din,
                        tmpdin = in_be32(&spi->rx);
                        setbits_be32(&spi->event, SPI_EV_NE);
 
-                       *(u32 *)din = (tmpdin << (32 - char_size));
-                       if (char_size == 32) {
+                       *(u32 *)din = (tmpdin << (32 - xfer_bitlen));
+                       if (xfer_bitlen == 32) {
                                /* Advance output buffer by 32 bits */
                                din += 4;
                        }