spi: fsl-espi: simplify fsl_espi_setup_transfer

Simplify fsl_espi_setup_transfer a little.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c
index a9004fe5a5ed..b00313bed7e9 100644
--- a/drivers/spi/spi-fsl-espi.c
+++ b/drivers/spi/spi-fsl-espi.c
@@ -166,12 +166,10 @@ static void fsl_espi_setup_transfer(struct spi_device *spi,
         mpc8xxx_spi->get_rx = cs->get_rx;
         mpc8xxx_spi->get_tx = cs->get_tx;
 
-        bits_per_word = bits_per_word - 1;
-
         /* mask out bits we are going to set */
         cs->hw_mode &= ~(CSMODE_LEN(0xF) | CSMODE_DIV16 | CSMODE_PM(0xF));
 
-        cs->hw_mode |= CSMODE_LEN(bits_per_word);
+        cs->hw_mode |= CSMODE_LEN(bits_per_word - 1);
 
         if ((mpc8xxx_spi->spibrg / hz) > 64) {
                 cs->hw_mode |= CSMODE_DIV16;