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| author | Heiner Kallweit <hkallweit1@gmail.com> | 2016-09-07 23:53:01 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-09-12 21:58:45 +0300 |
| commit | 5bcc6a2f061266060e0b144302e83e614f683cd7 (patch) | |
| tree | 54abd9518697b876b6082e65afdf6ce2b36727f3 | |
| parent | 84ccfc371f4a8d1ff86efd7ca7914e33b90325c2 (diff) | |
| download | linux-5bcc6a2f061266060e0b144302e83e614f683cd7.tar.xz | |
spi: fsl-espi: merge fsl_espi_bufs and fsl_espi_cpu_bufs
fsl_espi_bufs and fsl_espi_cpu_bufs are very small that we can merge them.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | drivers/spi/spi-fsl-espi.c | 27 |
1 files changed, 8 insertions, 19 deletions
diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c index 8d6a570ac704..190ca5ccf834 100644 --- a/drivers/spi/spi-fsl-espi.c +++ b/drivers/spi/spi-fsl-espi.c @@ -206,31 +206,15 @@ static void fsl_espi_setup_transfer(struct spi_device *spi, fsl_espi_change_mode(spi); } -static void fsl_espi_cpu_bufs(struct mpc8xxx_spi *mspi, struct spi_transfer *t, - unsigned int len) -{ - u32 word; - struct fsl_espi_reg *reg_base = mspi->reg_base; - - mspi->count = len; - - /* enable rx ints */ - mpc8xxx_spi_write_reg(®_base->mask, SPIM_NE); - - /* transmit word */ - word = mspi->get_tx(mspi); - mpc8xxx_spi_write_reg(®_base->transmit, word); -} - static int fsl_espi_bufs(struct spi_device *spi, struct spi_transfer *t) { struct mpc8xxx_spi *mpc8xxx_spi = spi_master_get_devdata(spi->master); struct fsl_espi_reg *reg_base = mpc8xxx_spi->reg_base; - unsigned int len = t->len; + u32 word; int ret; mpc8xxx_spi->len = t->len; - len = roundup(len, 4) / 4; + mpc8xxx_spi->count = roundup(t->len, 4) / 4; mpc8xxx_spi->tx = t->tx_buf; mpc8xxx_spi->rx = t->rx_buf; @@ -246,7 +230,12 @@ static int fsl_espi_bufs(struct spi_device *spi, struct spi_transfer *t) mpc8xxx_spi_write_reg(®_base->command, (SPCOM_CS(spi->chip_select) | SPCOM_TRANLEN(t->len - 1))); - fsl_espi_cpu_bufs(mpc8xxx_spi, t, len); + /* enable rx ints */ + mpc8xxx_spi_write_reg(®_base->mask, SPIM_NE); + + /* transmit word */ + word = mpc8xxx_spi->get_tx(mpc8xxx_spi); + mpc8xxx_spi_write_reg(®_base->transmit, word); /* Won't hang up forever, SPI bus sometimes got lost interrupts... */ ret = wait_for_completion_timeout(&mpc8xxx_spi->done, 2 * HZ); |