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authorHeiner Kallweit <hkallweit1@gmail.com>2016-09-14 00:15:45 +0300
committerMark Brown <broonie@kernel.org>2016-09-14 20:24:46 +0300
commitd198ebfb75adec5156b07b96dc21b6b9e5144018 (patch)
treeacf2f5c2691596d3795acadc8338ebbb912982f0 /drivers/spi/spi-fsl-espi.c
parent38d003f1a43f3afd6b5e0da728f06dad07a85687 (diff)
downloadlinux-d198ebfb75adec5156b07b96dc21b6b9e5144018.tar.xz
spi: fsl-espi: simplify fsl_espi_setup_transfer
If t is not null then the SPI core takes care that bits_per_word and speed_hz are populated. This allows to simplify fsl_espi_setup_transfer. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-fsl-espi.c')
-rw-r--r--drivers/spi/spi-fsl-espi.c16
1 files changed, 2 insertions, 14 deletions
diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c
index bef06762a770..060624f45ce0 100644
--- a/drivers/spi/spi-fsl-espi.c
+++ b/drivers/spi/spi-fsl-espi.c
@@ -176,23 +176,11 @@ static void fsl_espi_setup_transfer(struct spi_device *spi,
struct spi_transfer *t)
{
struct mpc8xxx_spi *mpc8xxx_spi = spi_master_get_devdata(spi->master);
- int bits_per_word = 0;
+ int bits_per_word = t ? t->bits_per_word : spi->bits_per_word;
+ u32 hz = t ? t->speed_hz : spi->max_speed_hz;
u8 pm;
- u32 hz = 0;
struct spi_mpc8xxx_cs *cs = spi->controller_state;
- if (t) {
- bits_per_word = t->bits_per_word;
- hz = t->speed_hz;
- }
-
- /* spi_transfer level calls that work per-word */
- if (!bits_per_word)
- bits_per_word = spi->bits_per_word;
-
- if (!hz)
- hz = spi->max_speed_hz;
-
cs->rx_shift = 0;
cs->tx_shift = 0;
cs->get_rx = mpc8xxx_spi_rx_buf_u32;