spi: add of_device_uevent_modalias support

Add OF support as already done for ACPI to take driver
MODULE_DEVICE_TABLE(of, ..) into account.

For example with this change a spi nor device MODALIAS changes from:

MODALIAS=spi:spi-nor

to

MODALIAS=of:Nspi-flashT(null)Cjedec,spi-nor

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Link: https://lore.kernel.org/r/20210525091003.18228-1-m.felsch@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index a0a2326..8553e7d 100644 (file)
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -363,6 +363,10 @@ static int spi_uevent(struct device *dev, struct kobj_uevent_env *env)
        const struct spi_device         *spi = to_spi_device(dev);
        int rc;
 
+       rc = of_device_uevent_modalias(dev, env);
+       if (rc != -ENODEV)
+               return rc;
+
        rc = acpi_device_uevent_modalias(dev, env);
        if (rc != -ENODEV)
                return rc;