1 files changed, 10 insertions, 0 deletions

diff --git a/arch/arm/mach-msm/smd.c b/arch/arm/mach-msm/smd.c
index 655fe42506ca..086fd77dc891 100644
--- a/arch/arm/mach-msm/smd.c
+++ b/arch/arm/mach-msm/smd.c
@@ -804,6 +804,16 @@ int smd_write(smd_channel_t *ch, const void *data, int len)
         return ch->write(ch, data, len);
 }
 
+int smd_write_atomic(smd_channel_t *ch, const void *data, int len)
+{
+        unsigned long flags;
+        int res;
+        spin_lock_irqsave(&smd_lock, flags);
+        res = ch->write(ch, data, len);
+        spin_unlock_irqrestore(&smd_lock, flags);
+        return res;
+}
+
 int smd_read_avail(smd_channel_t *ch)
 {
         return ch->read_avail(ch);