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-rw-r--r--include/asm-generic/io.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h
index 303871651f8a..bc490a746602 100644
--- a/include/asm-generic/io.h
+++ b/include/asm-generic/io.h
@@ -19,6 +19,7 @@
#include <asm-generic/iomap.h>
#endif
+#include <asm/mmiowb.h>
#include <asm-generic/pci_iomap.h>
#ifndef mmiowb
@@ -49,7 +50,7 @@
/* serialize device access against a spin_unlock, usually handled there. */
#ifndef __io_aw
-#define __io_aw() barrier()
+#define __io_aw() mmiowb_set_pending()
#endif
#ifndef __io_pbw