From ea616ee220e70308cf33fa32496ae9c5ad18e190 Mon Sep 17 00:00:00 2001 From: Heiner Kallweit Date: Thu, 25 Aug 2016 06:44:42 +0200 Subject: [PATCH] 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 Signed-off-by: Mark Brown --- drivers/spi/spi-fsl-espi.c | 19 ++++--------------- 1 file 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(®_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; } -- 2.39.2