slimbus: core: add support to uevent

This patch adds support to uevent to help automatic module loading.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Srinivas Kandagatla 2018-09-16 16:45:40 -07:00 committed by Greg Kroah-Hartman
parent 8f3d5fcde9
commit 9e663f4811

View file

@ -9,6 +9,7 @@
#include <linux/init.h>
#include <linux/idr.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/pm_runtime.h>
#include <linux/slimbus.h>
#include "slimbus.h"
@ -76,11 +77,24 @@ static int slim_device_remove(struct device *dev)
return 0;
}
static int slim_device_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct slim_device *sbdev = to_slim_device(dev);
int ret;
ret = of_device_uevent_modalias(dev, env);
if (ret != -ENODEV)
return ret;
return add_uevent_var(env, "MODALIAS=slim:%s", dev_name(&sbdev->dev));
}
struct bus_type slimbus_bus = {
.name = "slimbus",
.match = slim_device_match,
.probe = slim_device_probe,
.remove = slim_device_remove,
.uevent = slim_device_uevent,
};
EXPORT_SYMBOL_GPL(slimbus_bus);