If you don't do it, the bus number will be a bogus value, possibly used for device file names in drivers like spidev.
Signed-off-by: Maxime Ripard <maxime.rip...@free-electrons.com> --- drivers/spi/spi-mxs.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/spi/spi-mxs.c b/drivers/spi/spi-mxs.c index d6a80a1..d6a73ef 100644 --- a/drivers/spi/spi-mxs.c +++ b/drivers/spi/spi-mxs.c @@ -527,6 +527,15 @@ static int __devinit mxs_spi_probe(struct platform_device *pdev) if (!master) return -ENOMEM; + if (pdev->id != -1) + master->bus_num = pdev->id; + if (np) { + unsigned long prop; + + of_property_read_u32(np, "cell-index", &prop); + master->bus_num = prop; + } + master->transfer_one_message = mxs_spi_transfer_one; master->setup = mxs_spi_setup; master->cleanup = mxs_spi_cleanup; -- 1.7.9.5 ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ spi-devel-general mailing list spi-devel-general@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/spi-devel-general