[U-Boot] [PATCH] linux/kernel.h: import DIV_ROUND_{DOWN, UP}_ULL from Linux

These macros are useful to avoid link error on 32-bit systems.

Signed-off-by: Masahiro Yamada yamada.masahiro@socionext.com ---

include/linux/kernel.h | 5 +++++ 1 file changed, 5 insertions(+)

diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 0b61671..87d2d95 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -57,6 +57,11 @@ #define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f)) #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))

+#define DIV_ROUND_DOWN_ULL(ll, d) \ + ({ unsigned long long _tmp = (ll); do_div(_tmp, d); _tmp; }) + +#define DIV_ROUND_UP_ULL(ll, d) DIV_ROUND_DOWN_ULL((ll) + (d) - 1, (d)) + #if BITS_PER_LONG == 32 # define DIV_ROUND_UP_SECTOR_T(ll,d) DIV_ROUND_UP_ULL(ll, d) #else