X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=include%2Flinux%2Fcompiler.h;h=e40d8aec3c45f5ab284e03156bdcab93f31e97b5;hb=71e474ca948b7914592ca6f6110bafcf76bf8f99;hp=fe04cc6f9bfb7181ffc365d99bd634845da62c6a;hpb=e72388a0aa23da8bc8e24a0cbe9d523c5a9ce294;p=carl9170fw.git

diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index fe04cc6..e40d8ae 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -17,14 +17,16 @@
 #ifndef __SHARED_COMPILER_H
 #define __SHARED_COMPILER_H
 
-#define __noinline	__attribute__((noinline))
+#define __noreturn	__attribute__((noreturn))
 #define __inline	__attribute__((always_inline))
 #define __hot		__attribute__((hot))
 #define __cold		__attribute__((cold))
-#define __unused	__attribute__((unused))
 #define __force		__attribute__((force))
-#define __section(s)	__attribute__((section("." # s)))
-#define __packed	__attribute__((packed))
+#define __in_section(s)	__attribute__((section("." # s)))
+#define __visible	__attribute__((externally_visible))
+
+#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
+
 
 #define BUILD_BUG_ON(condition)	((void)sizeof(char[1 - 2*!!(condition)]))
 #define BUILD_BUG_ON_ZERO(e) (sizeof(char[1 - 2 * !!(e)]) - 1)
@@ -76,7 +78,7 @@
 
 #define container_of(ptr, type, member) ({			\
 	const typeof(((type *)0)->member) * __mptr = (ptr);	\
-	(type *)((char *)__mptr - offsetof(type, member)); })
+	(type *)(((unsigned long)__mptr - offsetof(type, member))); })
 
 #define MAX_ERRNO	4095
 
@@ -102,4 +104,11 @@ static inline long IS_ERR_OR_NULL(const void *ptr)
 	return !ptr || IS_ERR_VALUE((unsigned long)ptr);
 }
 
+static inline unsigned int hweight8(unsigned int w)
+{
+        unsigned int res = w - ((w >> 1) & 0x55);
+        res = (res & 0x33) + ((res >> 2) & 0x33);
+        return (res + (res >> 4)) & 0x0F;
+}
+
 #endif /* __SHARED_COMPILER_H */