kernel: add preliminary support for linux 3.3

Based on 3.3-rc2

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29986 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 32 insertions, 0 deletions

diff --git a/target/linux/generic/patches-3.3/910-kobject_uevent.patch b/target/linux/generic/patches-3.3/910-kobject_uevent.patch
new file mode 100644
index 000000000..f15749fa1
--- /dev/null
+++ b/target/linux/generic/patches-3.3/910-kobject_uevent.patch
@@ -0,0 +1,32 @@
+--- a/lib/kobject_uevent.c
++++ b/lib/kobject_uevent.c
+@@ -49,6 +49,18 @@ static const char *kobject_actions[] = {
+ 	[KOBJ_OFFLINE] =	"offline",
+ };
+ 
++u64 uevent_next_seqnum(void)
++{
++	u64 seq;
++
++	spin_lock(&sequence_lock);
++	seq = ++uevent_seqnum;
++	spin_unlock(&sequence_lock);
++
++	return seq;
++}
++EXPORT_SYMBOL_GPL(uevent_next_seqnum);
++
+ /**
+  * kobject_action_type - translate action string to numeric type
+  *
+@@ -244,9 +256,7 @@ int kobject_uevent_env(struct kobject *k
+ 		kobj->state_remove_uevent_sent = 1;
+ 
+ 	/* we will send an event, so request a new sequence number */
+-	spin_lock(&sequence_lock);
+-	seq = ++uevent_seqnum;
+-	spin_unlock(&sequence_lock);
++	seq = uevent_next_seqnum();
+ 	retval = add_uevent_var(env, "SEQNUM=%llu", (unsigned long long)seq);
+ 	if (retval)
+ 		goto exit;