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greybus: add bundle class to the bundle uevent 

When bundles are added and then removed, we have a race where we go to
read the sysfs file, but it is now for a different bundle than the
uevent was originally for.  So add the bundle class to the uevent so we
"know" what the correct bundle class was.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
hifive-unleashed-5.1
Greg Kroah-Hartman 2016-01-21 18:13:41 -08:00
parent 55ec09e898
commit 6ce4cc278d
1 changed files with 2 additions and 0 deletions
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2
drivers/staging/greybus/core.c
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@ -125,6 +125,8 @@ static int greybus_uevent(struct device *dev, struct kobj_uevent_env *env)
if (add_uevent_var(env, "BUNDLE=%u", bundle->id))
return -ENOMEM;
if (add_uevent_var(env, "BUNDLE_CLASS=%02x", bundle->class))
return -ENOMEM;
}
return 0;