diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/spi/spi-uclass.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/spi/spi-uclass.c b/drivers/spi/spi-uclass.c index 6b7ad47c22d..120565df149 100644 --- a/drivers/spi/spi-uclass.c +++ b/drivers/spi/spi-uclass.c @@ -88,6 +88,20 @@ void dm_spi_release_bus(struct udevice *dev) ops->release_bus(dev); } +int dm_spi_set_wordlen(struct udevice *dev, unsigned int wordlen) +{ + struct udevice *bus = dev->parent; + struct dm_spi_ops *ops = spi_get_ops(bus); + + if (bus->uclass->uc_drv->id != UCLASS_SPI) + return -EOPNOTSUPP; + + if (!ops->set_wordlen) + return -ENOSYS; + + return ops->set_wordlen(dev, wordlen); +} + int dm_spi_xfer(struct udevice *dev, unsigned int bitlen, const void *dout, void *din, unsigned long flags) { @@ -141,6 +155,11 @@ int spi_set_speed(struct spi_slave *slave, uint hz) return ret; } +int spi_set_wordlen(struct spi_slave *slave, unsigned int wordlen) +{ + return dm_spi_set_wordlen(slave->dev, wordlen); +} + int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, void *din, unsigned long flags) { @@ -245,6 +264,7 @@ static int spi_child_post_bind(struct udevice *dev) } plat->mode = mode; + plat->wordlen = SPI_DEFAULT_WORDLEN; return 0; } @@ -277,7 +297,7 @@ static int spi_child_pre_probe(struct udevice *dev) slave->max_hz = plat->max_hz; slave->mode = plat->mode; - slave->wordlen = SPI_DEFAULT_WORDLEN; + slave->wordlen = plat->wordlen; return 0; } |