spi: fsl-espi: change return type of fsl_espi_cpu_bufs to void
fsl_espi_cpu_bufs always returns 0, so change the return type to void.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c
index 02a55f5..2c4714a 100644
--- a/drivers/spi/spi-fsl-espi.c
+++ b/drivers/spi/spi-fsl-espi.c
@@ -197,7 +197,7 @@
fsl_espi_change_mode(spi);
}
-static int fsl_espi_cpu_bufs(struct mpc8xxx_spi *mspi, struct spi_transfer *t,
+static void fsl_espi_cpu_bufs(struct mpc8xxx_spi *mspi, struct spi_transfer *t,
unsigned int len)
{
u32 word;
@@ -211,8 +211,6 @@
/* transmit word */
word = mspi->get_tx(mspi);
mpc8xxx_spi_write_reg(®_base->transmit, word);
-
- return 0;
}
static int fsl_espi_bufs(struct spi_device *spi, struct spi_transfer *t)
@@ -239,9 +237,7 @@
mpc8xxx_spi_write_reg(®_base->command,
(SPCOM_CS(spi->chip_select) | SPCOM_TRANLEN(t->len - 1)));
- ret = fsl_espi_cpu_bufs(mpc8xxx_spi, t, len);
- if (ret)
- return ret;
+ fsl_espi_cpu_bufs(mpc8xxx_spi, t, len);
/* Won't hang up forever, SPI bus sometimes got lost interrupts... */
ret = wait_for_completion_timeout(&mpc8xxx_spi->done, 2 * HZ);