From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Fri, 21 Feb 2014 17:59:25 +0000 (+0100)
Subject: backports: add atomic64_set()
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=6a56ae7768b14eda33c7efbc42a56b5019ac41c6;p=openwrt%2Fstaging%2Fblogic.git

backports: add atomic64_set()

atomic64_set() is now used by mac80211 and it is not available on some
old arm kernels.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---

diff --git a/backport/compat/compat_atomic.c b/backport/compat/compat_atomic.c
index f91ae757f42f..5ced5a490ed0 100644
--- a/backport/compat/compat_atomic.c
+++ b/backport/compat/compat_atomic.c
@@ -17,6 +17,16 @@ long long atomic64_read(const atomic64_t *v)
 }
 EXPORT_SYMBOL_GPL(atomic64_read);
 
+void atomic64_set(atomic64_t *v, long long i)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&lock, flags);
+	v->counter = i;
+	spin_unlock_irqrestore(&lock, flags);
+}
+EXPORT_SYMBOL_GPL(atomic64_set);
+
 long long atomic64_add_return(long long a, atomic64_t *v)
 {
 	unsigned long flags;