[PATCH] missing qualifiers in readb() et.al. on ppc
From: Al Viro (viro_at_ftp.linux.org.uk)
Date: 09/30/05
- Previous message: Al Viro: "[PATCH] volatile unsigned short f(...) doesn't make sense"
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Date: Fri, 30 Sep 2005 04:20:57 +0100 To: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
----
diff -urN RC14-rc2-git6-base/include/asm-ppc/io.h current/include/asm-ppc/io.h
--- RC14-rc2-git6-base/include/asm-ppc/io.h 2005-06-17 15:48:29.000000000 -0400
+++ current/include/asm-ppc/io.h 2005-09-29 22:47:06.000000000 -0400
@@ -56,7 +56,7 @@
* is actually performed (i.e. the data has come back) before we start
* executing any following instructions.
*/
-extern inline int in_8(volatile unsigned char __iomem *addr)
+extern inline int in_8(const volatile unsigned char __iomem *addr)
{
int ret;
@@ -72,7 +72,7 @@
__asm__ __volatile__("stb%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val));
}
-extern inline int in_le16(volatile unsigned short __iomem *addr)
+extern inline int in_le16(const volatile unsigned short __iomem *addr)
{
int ret;
@@ -83,7 +83,7 @@
return ret;
}
-extern inline int in_be16(volatile unsigned short __iomem *addr)
+extern inline int in_be16(const volatile unsigned short __iomem *addr)
{
int ret;
@@ -104,7 +104,7 @@
__asm__ __volatile__("sth%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val));
}
-extern inline unsigned in_le32(volatile unsigned __iomem *addr)
+extern inline unsigned in_le32(const volatile unsigned __iomem *addr)
{
unsigned ret;
@@ -115,7 +115,7 @@
return ret;
}
-extern inline unsigned in_be32(volatile unsigned __iomem *addr)
+extern inline unsigned in_be32(const volatile unsigned __iomem *addr)
{
unsigned ret;
@@ -139,7 +139,7 @@
#define readb(addr) in_8((volatile u8 *)(addr))
#define writeb(b,addr) out_8((volatile u8 *)(addr), (b))
#else
-static inline __u8 readb(volatile void __iomem *addr)
+static inline __u8 readb(const volatile void __iomem *addr)
{
return in_8(addr);
}
@@ -150,11 +150,11 @@
#endif
#if defined(CONFIG_APUS)
-static inline __u16 readw(volatile void __iomem *addr)
+static inline __u16 readw(const volatile void __iomem *addr)
{
return *(__force volatile __u16 *)(addr);
}
-static inline __u32 readl(volatile void __iomem *addr)
+static inline __u32 readl(const volatile void __iomem *addr)
{
return *(__force volatile __u32 *)(addr);
}
@@ -173,11 +173,11 @@
#define writew(b,addr) out_le16((volatile u16 *)(addr),(b))
#define writel(b,addr) out_le32((volatile u32 *)(addr),(b))
#else
-static inline __u16 readw(volatile void __iomem *addr)
+static inline __u16 readw(const volatile void __iomem *addr)
{
return in_le16(addr);
}
-static inline __u32 readl(volatile void __iomem *addr)
+static inline __u32 readl(const volatile void __iomem *addr)
{
return in_le32(addr);
}
-
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