--- zzzz-none-000/linux-3.10.107/arch/blackfin/include/asm/io.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/blackfin/include/asm/io.h	2021-02-04 17:41:59.000000000 +0000
@@ -10,28 +10,14 @@
 #include <linux/compiler.h>
 #include <linux/types.h>
 #include <asm/byteorder.h>
+#include <asm/def_LPBlackfin.h>
 
-#define DECLARE_BFIN_RAW_READX(size, type, asm, asm_sign) \
-static inline type __raw_read##size(const volatile void __iomem *addr) \
-{ \
-	unsigned int val; \
-	int tmp; \
-	__asm__ __volatile__ ( \
-		"cli %1;" \
-		"NOP; NOP; SSYNC;" \
-		"%0 = "#asm" [%2] "#asm_sign";" \
-		"sti %1;" \
-		: "=d"(val), "=d"(tmp) \
-		: "a"(addr) \
-	); \
-	return (type) val; \
-}
-DECLARE_BFIN_RAW_READX(b, u8, b, (z))
-#define __raw_readb __raw_readb
-DECLARE_BFIN_RAW_READX(w, u16, w, (z))
-#define __raw_readw __raw_readw
-DECLARE_BFIN_RAW_READX(l, u32, , )
-#define __raw_readl __raw_readl
+#define __raw_readb bfin_read8
+#define __raw_readw bfin_read16
+#define __raw_readl bfin_read32
+#define __raw_writeb(val, addr) bfin_write8(addr, val)
+#define __raw_writew(val, addr) bfin_write16(addr, val)
+#define __raw_writel(val, addr) bfin_write32(addr, val)
 
 extern void outsb(unsigned long port, const void *addr, unsigned long count);
 extern void outsw(unsigned long port, const void *addr, unsigned long count);
@@ -50,14 +36,6 @@
 #define insw insw
 #define insl insl
 
-extern void dma_outsb(unsigned long port, const void *addr, unsigned short count);
-extern void dma_outsw(unsigned long port, const void *addr, unsigned short count);
-extern void dma_outsl(unsigned long port, const void *addr, unsigned short count);
-
-extern void dma_insb(unsigned long port, void *addr, unsigned short count);
-extern void dma_insw(unsigned long port, void *addr, unsigned short count);
-extern void dma_insl(unsigned long port, void *addr, unsigned short count);
-
 /**
  * I/O write barrier
  *