diff --git a/arch/mips/bits/ioctl.h b/arch/mips/bits/ioctl.h
index c86488d89021991288e3f39f407fa9dd4df8a74d..3d60c1a981aab22f38ff2b40e626b67caf1c386d 100644
--- a/arch/mips/bits/ioctl.h
+++ b/arch/mips/bits/ioctl.h
@@ -1,7 +1,7 @@
 #define _IOC(a,b,c,d) ( ((a)<<29) | ((b)<<8) | (c) | ((d)<<16) )
 #define _IOC_NONE  1U
-#define _IOC_WRITE 2U
-#define _IOC_READ  4U
+#define _IOC_READ  2U
+#define _IOC_WRITE 4U
 
 #define _IO(a,b) _IOC(_IOC_NONE,(a),(b),0)
 #define _IOW(a,b,c) _IOC(1,(a),(b),sizeof(c))