Am 18.03.2014 22:56, schrieb Pantelis Antoniou: > Add the bus handler registration needed for performing overlays > containing spi devices. > > Signed-off-by: Pantelis Antoniou <pantelis.antoniou@xxxxxxxxxxxx> > --- > drivers/spi/spi.c | 345 ++++++++++++++++++++++++++++++++++++++---------------- > 1 file changed, 242 insertions(+), 103 deletions(-) > nc is not set in of_register_spi_device and causes an Oops. Using nc = node works. What is the purpose of nc? > +of_register_spi_device(struct spi_master *master, struct device_node *node) > +{ > + struct spi_device *spi; > + struct device_node *nc; > + int err; > + u32 value; > + > + /* Alloc an spi_device */ > + spi = spi_alloc_device(master); > + if (!spi) { > + dev_err(&master->dev, "spi_device alloc error for %s\n", > + nc->full_name); > + err = -ENOMEM; > + goto err_out; > + } > + > + /* Select device driver */ > + err = of_modalias_node(nc, spi->modalias, > + sizeof(spi->modalias)); > + if (err) { > + dev_err(&master->dev, "cannot find modalias for %s\n", > + nc->full_name); > + goto err_out; > + } -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html