greybus: core: add bundle id to bundle uevents

Add the bundle id to bundle uevents.

This is needed to identify bundles that are being removed (e.g. at
hot-unplug).

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

diff --git a/drivers/staging/greybus/core.c b/drivers/staging/greybus/core.c
index 4ec7988..209e1cd 100644 (file)
--- a/drivers/staging/greybus/core.c
+++ b/drivers/staging/greybus/core.c
@@ -112,7 +112,9 @@ static int greybus_uevent(struct device *dev, struct kobj_uevent_env *env)
                // add a uevent that can "load" a bundle type
                // This is what we need to bind a driver to so use the info
                // in gmod here as well
-               return 0;
+
+               if (add_uevent_var(env, "BUNDLE=%u", bundle->id))
+                       return -ENOMEM;
        }
 
        return 0;