Create the sysfs uevent for modalias devices. This is required by newer versions of udev for autoload modules.
Cc: Rob Herring <[email protected]> Cc: Johan Hovold <[email protected]> Cc: Greg Kroah-Hartman <[email protected]> Cc: Jiri Slaby <[email protected]> Signed-off-by: Ricardo Ribalda Delgado <[email protected]> --- drivers/tty/serdev/core.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c index b9bb0c0ee319..584cb994213a 100644 --- a/drivers/tty/serdev/core.c +++ b/drivers/tty/serdev/core.c @@ -46,6 +46,7 @@ ATTRIBUTE_GROUPS(serdev_device); static int serdev_device_uevent(struct device *dev, struct kobj_uevent_env *env) { int rc; + struct serdev_device *serdev = to_serdev_device(dev); /* TODO: platform modalias */ @@ -53,7 +54,11 @@ static int serdev_device_uevent(struct device *dev, struct kobj_uevent_env *env) if (rc != -ENODEV) return rc; - return of_device_uevent_modalias(dev, env); + if (rc != of_device_uevent_modalias(dev, env)) + return rc; + + return add_uevent_var(env, "MODALIAS=%s%s", SERDEV_MODULE_PREFIX, + serdev->modalias); } static void serdev_device_release(struct device *dev) -- 2.17.1

