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authorHeiner Kallweit <hkallweit1@gmail.com>2016-08-25 06:44:42 +0200
committerMark Brown <broonie@kernel.org>2016-09-01 21:15:58 +0100
commitea616ee220e70308cf33fa32496ae9c5ad18e190 (patch)
treecfdffbb6767756e72a901f5e716234768749f264
parent6bdf03b30ed0ac72d309fe22aed8101f4cc6a2df (diff)
downloadlinux-ea616ee220e70308cf33fa32496ae9c5ad18e190.tar.bz2
spi: fsl-espi: change return type of fsl_espi_setup_transfer to void
fsl_espi_setup_transfer 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>
-rw-r--r--drivers/spi/spi-fsl-espi.c19
1 files changed, 4 insertions, 15 deletions
diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c
index d95fdd0632e4..02a55f50f03f 100644
--- a/drivers/spi/spi-fsl-espi.c
+++ b/drivers/spi/spi-fsl-espi.c
@@ -130,7 +130,7 @@ static u32 fsl_espi_tx_buf_lsb(struct mpc8xxx_spi *mpc8xxx_spi)
return data;
}
-static int fsl_espi_setup_transfer(struct spi_device *spi,
+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);
@@ -195,7 +195,6 @@ static int fsl_espi_setup_transfer(struct spi_device *spi,
cs->hw_mode |= CSMODE_PM(pm);
fsl_espi_change_mode(spi);
- return 0;
}
static int fsl_espi_cpu_bufs(struct mpc8xxx_spi *mspi, struct spi_transfer *t,
@@ -292,13 +291,8 @@ static void fsl_espi_do_trans(struct spi_message *m,
spi_message_add_tail(&trans, &message);
list_for_each_entry(t, &message.transfers, transfer_list) {
- if (t->bits_per_word || t->speed_hz) {
- status = -EINVAL;
-
- status = fsl_espi_setup_transfer(spi, t);
- if (status < 0)
- break;
- }
+ if (t->bits_per_word || t->speed_hz)
+ fsl_espi_setup_transfer(spi, t);
if (t->len)
status = fsl_espi_bufs(spi, t);
@@ -425,7 +419,6 @@ static int fsl_espi_setup(struct spi_device *spi)
{
struct mpc8xxx_spi *mpc8xxx_spi;
struct fsl_espi_reg *reg_base;
- int retval;
u32 hw_mode;
u32 loop_mode;
struct spi_mpc8xxx_cs *cs = spi_get_ctldata(spi);
@@ -466,15 +459,11 @@ static int fsl_espi_setup(struct spi_device *spi)
loop_mode |= SPMODE_LOOP;
mpc8xxx_spi_write_reg(&reg_base->mode, loop_mode);
- retval = fsl_espi_setup_transfer(spi, NULL);
+ fsl_espi_setup_transfer(spi, NULL);
pm_runtime_mark_last_busy(mpc8xxx_spi->dev);
pm_runtime_put_autosuspend(mpc8xxx_spi->dev);
- if (retval < 0) {
- cs->hw_mode = hw_mode; /* Restore settings */
- return retval;
- }
return 0;
}