Add delay-init quirk for Corsair K70 RGB keyboards

[pandora-kernel.git] / include / linux / seqlock.h

diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h
index e981189..bb1fac5 100644 (file)
--- a/include/linux/seqlock.h
+++ b/include/linux/seqlock.h
@@ -28,6 +28,7 @@
 
 #include <linux/spinlock.h>
 #include <linux/preempt.h>
+#include <asm/processor.h>
 
 typedef struct {
        unsigned sequence;
@@ -140,7 +141,7 @@ static inline unsigned __read_seqcount_begin(const seqcount_t *s)
        unsigned ret;
 
 repeat:
-       ret = s->sequence;
+       ret = ACCESS_ONCE(s->sequence);
        if (unlikely(ret & 1)) {
                cpu_relax();
                goto repeat;