This commit replaces roundup macro with the one from Linux Kernel.
DEFINE_ALIGN_BUFFER must be fixed because typechecking can not
be used in this context.
Signed-off-by: Masahiro Yamada <yamad...@jp.panasonic.com>
---
Changes in v3: None
Changes in v2: None
include/common.h | 2 +-
include/linux/kernel.h | 9 +++++++--
2 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/include/common.h b/include/common.h
index c1bdaec..ce0a734 100644
--- a/include/common.h
+++ b/include/common.h
@@ -967,7 +967,7 @@ static inline phys_addr_t map_to_sysmem(const void *ptr)
* Usage of this macro shall be avoided or used with extreme care!
*/
#define DEFINE_ALIGN_BUFFER(type, name, size, align) \
- static char __##name[roundup(size * sizeof(type), align)] \
+ static char __##name[ALIGN(size * sizeof(type), align)] \
__aligned(align); \
\
static type *name = (type *)__##name
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index f84a764..0e838de 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -61,8 +61,13 @@
# define DIV_ROUND_UP_SECTOR_T(ll,d) DIV_ROUND_UP(ll,d)
#endif
-#define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
-
+/* The `const' in roundup() prevents gcc-3.3 from calling __divdi3 */
+#define roundup(x, y) ( \
+{ \
+ const typeof(y) __y = y; \
+ (((x) + (__y - 1)) / __y) * __y; \
+} \
+)
#define rounddown(x, y) ( \
{ \
typeof(x) __x = (x); \
--
1.9.1
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