3 files changed, 19 insertions, 93 deletions

diff --git a/arch/parisc/lib/bitops.c b/arch/parisc/lib/bitops.c
index 36a314199074..9df810050642 100644
--- a/arch/parisc/lib/bitops.c
+++ b/arch/parisc/lib/bitops.c
@@ -56,38 +56,20 @@ unsigned long notrace __xchg8(char x, volatile char *ptr)
 }
 
 
-u64 notrace __cmpxchg_u64(volatile u64 *ptr, u64 old, u64 new)
-{
-	unsigned long flags;
-	u64 prev;
-
-	_atomic_spin_lock_irqsave(ptr, flags);
-	if ((prev = *ptr) == old)
-		*ptr = new;
-	_atomic_spin_unlock_irqrestore(ptr, flags);
-	return prev;
-}
-
-unsigned long notrace __cmpxchg_u32(volatile unsigned int *ptr, unsigned int old, unsigned int new)
-{
-	unsigned long flags;
-	unsigned int prev;
-
-	_atomic_spin_lock_irqsave(ptr, flags);
-	if ((prev = *ptr) == old)
-		*ptr = new;
-	_atomic_spin_unlock_irqrestore(ptr, flags);
-	return (unsigned long)prev;
-}
-
-u8 notrace __cmpxchg_u8(volatile u8 *ptr, u8 old, u8 new)
-{
-	unsigned long flags;
-	u8 prev;
-
-	_atomic_spin_lock_irqsave(ptr, flags);
-	if ((prev = *ptr) == old)
-		*ptr = new;
-	_atomic_spin_unlock_irqrestore(ptr, flags);
-	return prev;
-}
+#define CMPXCHG(T)						\
+	T notrace __cmpxchg_##T(volatile T *ptr, T old, T new)	\
+	{							\
+		unsigned long flags;				\
+		T prev;						\
+								\
+		_atomic_spin_lock_irqsave(ptr, flags);		\
+		if ((prev = *ptr) == old)			\
+			*ptr = new;				\
+		_atomic_spin_unlock_irqrestore(ptr, flags);	\
+		return prev;					\
+	}
+
+CMPXCHG(u64)
+CMPXCHG(u32)
+CMPXCHG(u16)
+CMPXCHG(u8)
diff --git a/arch/parisc/lib/checksum.c b/arch/parisc/lib/checksum.c
index 4818f3db84a5..59d8c15d81bd 100644
--- a/arch/parisc/lib/checksum.c
+++ b/arch/parisc/lib/checksum.c
@@ -25,15 +25,6 @@
 	: "=r"(_t)                      \
 	: "r"(_r), "0"(_t));
 
-static inline unsigned short from32to16(unsigned int x)
-{
-	/* 32 bits --> 16 bits + carry */
-	x = (x & 0xffff) + (x >> 16);
-	/* 16 bits + carry --> 16 bits including carry */
-	x = (x & 0xffff) + (x >> 16);
-	return (unsigned short)x;
-}
-
 static inline unsigned int do_csum(const unsigned char * buff, int len)
 {
 	int odd, count;
@@ -85,7 +76,7 @@ static inline unsigned int do_csum(const unsigned char * buff, int len)
 	}
 	if (len & 1)
 		result += le16_to_cpu(*buff);
-	result = from32to16(result);
+	result = csum_from32to16(result);
 	if (odd)
 		result = swab16(result);
 out:
@@ -102,7 +93,7 @@ __wsum csum_partial(const void *buff, int len, __wsum sum)
 {
 	unsigned int result = do_csum(buff, len);
 	addc(result, sum);
-	return (__force __wsum)from32to16(result);
+	return (__force __wsum)csum_from32to16(result);
 }
 
 EXPORT_SYMBOL(csum_partial);
diff --git a/arch/parisc/lib/io.c b/arch/parisc/lib/io.c
index 7c00496b47d4..7461366a65c9 100644
--- a/arch/parisc/lib/io.c
+++ b/arch/parisc/lib/io.c
@@ -12,32 +12,6 @@
 #include <linux/module.h>
 #include <asm/io.h>
 
-/* Copies a block of memory to a device in an efficient manner.
- * Assumes the device can cope with 32-bit transfers.  If it can't,
- * don't use this function.
- */
-void memcpy_toio(volatile void __iomem *dst, const void *src, int count)
-{
-	if (((unsigned long)dst & 3) != ((unsigned long)src & 3))
-		goto bytecopy;
-	while ((unsigned long)dst & 3) {
-		writeb(*(char *)src, dst++);
-		src++;
-		count--;
-	}
-	while (count > 3) {
-		__raw_writel(*(u32 *)src, dst);
-		src += 4;
-		dst += 4;
-		count -= 4;
-	}
- bytecopy:
-	while (count--) {
-		writeb(*(char *)src, dst++);
-		src++;
-	}
-}
-
 /*
 ** Copies a block of memory from a device in an efficient manner.
 ** Assumes the device can cope with 32-bit transfers.  If it can't,
@@ -99,27 +73,6 @@ void memcpy_fromio(void *dst, const volatile void __iomem *src, int count)
 	}
 }
 
-/* Sets a block of memory on a device to a given value.
- * Assumes the device can cope with 32-bit transfers.  If it can't,
- * don't use this function.
- */
-void memset_io(volatile void __iomem *addr, unsigned char val, int count)
-{
-	u32 val32 = (val << 24) | (val << 16) | (val << 8) | val;
-	while ((unsigned long)addr & 3) {
-		writeb(val, addr++);
-		count--;
-	}
-	while (count > 3) {
-		__raw_writel(val32, addr);
-		addr += 4;
-		count -= 4;
-	}
-	while (count--) {
-		writeb(val, addr++);
-	}
-}
-
 /*
  * Read COUNT 8-bit bytes from port PORT into memory starting at
  * SRC.