s390/pci: define read*_relaxed functions

[cascardo/linux.git] / arch / s390 / include / asm / io.h

diff --git a/arch/s390/include/asm/io.h b/arch/s390/include/asm/io.h
index 16c3eb1..27cb321 100644 (file)
--- a/arch/s390/include/asm/io.h
+++ b/arch/s390/include/asm/io.h
@@ -85,6 +85,11 @@ static inline void iounmap(volatile void __iomem *addr)
 #define __raw_writel   zpci_write_u32
 #define __raw_writeq   zpci_write_u64
 
+#define readb_relaxed  readb
+#define readw_relaxed  readw
+#define readl_relaxed  readl
+#define readq_relaxed  readq
+
 #endif /* CONFIG_PCI */
 
 #include <asm-generic/io.h>