[05/23] spi: fsl-espi: change return type of fsl_espi_cpu_bufs to void

Commit Message

Heiner Kallweit Aug. 25, 2016, 4:44 a.m. UTC

fsl_espi_cpu_bufs always returns 0, so change the return type to void.

Signed-off-by: Heiner Kallweit <[e-mail]>
---
 drivers/spi/spi-fsl-espi.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

Patch

diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c
index 38eced3..cc09ce6 100644
--- a/drivers/spi/spi-fsl-espi.c
+++ b/drivers/spi/spi-fsl-espi.c
@@ -195,7 +195,7 @@  static void fsl_espi_setup_transfer(struct spi_device *spi,
 	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;
@@ -209,8 +209,6 @@  static int fsl_espi_cpu_bufs(struct mpc8xxx_spi *mspi, struct spi_transfer *t,
 	/* transmit word */
 	word = mspi->get_tx(mspi);
 	mpc8xxx_spi_write_reg(&reg_base->transmit, word);
-
-	return 0;
 }
 
 static int fsl_espi_bufs(struct spi_device *spi, struct spi_transfer *t)
@@ -237,9 +235,7 @@  static int fsl_espi_bufs(struct spi_device *spi, struct spi_transfer *t)
 	mpc8xxx_spi_write_reg(&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);