diff options
Diffstat (limited to 'drivers/spi/spi_mpc83xx.c')
| -rw-r--r-- | drivers/spi/spi_mpc83xx.c | 26 |
1 files changed, 7 insertions, 19 deletions
diff --git a/drivers/spi/spi_mpc83xx.c b/drivers/spi/spi_mpc83xx.c index f4573a96af2..ce61be98e06 100644 --- a/drivers/spi/spi_mpc83xx.c +++ b/drivers/spi/spi_mpc83xx.c @@ -419,10 +419,6 @@ static void mpc83xx_spi_work(struct work_struct *work) spin_unlock_irq(&mpc83xx_spi->lock); } -/* the spi->mode bits understood by this driver: */ -#define MODEBITS (SPI_CPOL | SPI_CPHA | SPI_CS_HIGH \ - | SPI_LSB_FIRST | SPI_LOOP) - static int mpc83xx_spi_setup(struct spi_device *spi) { struct mpc83xx_spi *mpc83xx_spi; @@ -430,12 +426,6 @@ static int mpc83xx_spi_setup(struct spi_device *spi) u32 hw_mode; struct spi_mpc83xx_cs *cs = spi->controller_state; - if (spi->mode & ~MODEBITS) { - dev_dbg(&spi->dev, "setup: unsupported mode bits %x\n", - spi->mode & ~MODEBITS); - return -EINVAL; - } - if (!spi->max_speed_hz) return -EINVAL; @@ -447,9 +437,6 @@ static int mpc83xx_spi_setup(struct spi_device *spi) } mpc83xx_spi = spi_master_get_devdata(spi->master); - if (!spi->bits_per_word) - spi->bits_per_word = 8; - hw_mode = cs->hw_mode; /* Save orginal settings */ cs->hw_mode = mpc83xx_spi_read_reg(&mpc83xx_spi->base->mode); /* mask out bits we are going to set */ @@ -471,9 +458,6 @@ static int mpc83xx_spi_setup(struct spi_device *spi) return retval; } - dev_dbg(&spi->dev, "%s, mode %d, %u bits/w, %u Hz\n", - __func__, spi->mode & (SPI_CPOL | SPI_CPHA), - spi->bits_per_word, spi->max_speed_hz); #if 0 /* Don't think this is needed */ /* NOTE we _need_ to call chipselect() early, ideally with adapter * setup, unless the hardware defaults cooperate to avoid confusion @@ -568,6 +552,10 @@ mpc83xx_spi_probe(struct device *dev, struct resource *mem, unsigned int irq) dev_set_drvdata(dev, master); + /* the spi->mode bits understood by this driver: */ + master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH + | SPI_LSB_FIRST | SPI_LOOP; + master->setup = mpc83xx_spi_setup; master->transfer = mpc83xx_spi_transfer; master->cleanup = mpc83xx_spi_cleanup; @@ -711,12 +699,12 @@ static int of_mpc83xx_spi_get_chipselects(struct device *dev) return 0; } - pinfo->gpios = kmalloc(ngpios * sizeof(pinfo->gpios), GFP_KERNEL); + pinfo->gpios = kmalloc(ngpios * sizeof(*pinfo->gpios), GFP_KERNEL); if (!pinfo->gpios) return -ENOMEM; - memset(pinfo->gpios, -1, ngpios * sizeof(pinfo->gpios)); + memset(pinfo->gpios, -1, ngpios * sizeof(*pinfo->gpios)); - pinfo->alow_flags = kzalloc(ngpios * sizeof(pinfo->alow_flags), + pinfo->alow_flags = kzalloc(ngpios * sizeof(*pinfo->alow_flags), GFP_KERNEL); if (!pinfo->alow_flags) { ret = -ENOMEM; |