From: Jiada Wang <[email protected]> SPI bus controller has started to support to work in slave mode, for device SPI controller itself works in slave mode, use name 'spidev[bus]-slv' as its name to differentiate from other SPI devices
Signed-off-by: Jiada Wang <[email protected]> --- drivers/spi/spidev.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index 9e2e099..e2996fb 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -781,9 +781,18 @@ static int spidev_probe(struct spi_device *spi) struct device *dev; spidev->devt = MKDEV(SPIDEV_MAJOR, minor); - dev = device_create(spidev_class, &spi->dev, spidev->devt, - spidev, "spidev%d.%d", - spi->master->bus_num, spi->chip_select); + if (spi->slave_mode) + dev = device_create(spidev_class, &spi->dev, + spidev->devt, spidev, + "spidev%d-slv", + spi->master->bus_num); + else + dev = device_create(spidev_class, &spi->dev, + spidev->devt, spidev, + "spidev%d.%d", + spi->master->bus_num, + spi->chip_select); + status = PTR_ERR_OR_ZERO(dev); } else { dev_dbg(&spi->dev, "no minor number available!\n"); -- 2.7.4
