+ linux-kernelh-move-div_round_down_ull-macro.patch added to -mm tree

+ linux-kernelh-move-div_round_down_ull-macro.patch added to -mm tree

[akpm]

The patch titled
     Subject: linux/kernel.h: move DIV_ROUND_DOWN_ULL() macro
has been added to the -mm tree.  Its filename is
     linux-kernelh-move-div_round_down_ull-macro.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/linux-kernelh-move-div_round_down_ull-macro.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/linux-kernelh-move-div_round_down_ull-macro.patch

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------------------------------------------------------
From: Masahiro Yamada <yamada.masahiro@socionext.com>
Subject: linux/kernel.h: move DIV_ROUND_DOWN_ULL() macro

This macro is useful to avoid link error on 32-bit systems.

We have the same definition in two drivers, so move it to
include/linux/kernel.h

While we are here, refactor DIV_ROUND_UP_ULL() by using
DIV_ROUND_DOWN_ULL().

Link: http://lkml.kernel.org/r/1500945156-12907-1-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Boris Brezillon <boris.brezillon@free-electrons.com>
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Brian Norris <computersforpeace@gmail.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/mtd/nand/denali.c  |    3 ---
 include/linux/kernel.h     |    7 +++++--
 sound/soc/codecs/pcm512x.c |    3 ---
 3 files changed, 5 insertions(+), 8 deletions(-)

diff -puN drivers/mtd/nand/denali.c~linux-kernelh-move-div_round_down_ull-macro drivers/mtd/nand/denali.c
--- a/drivers/mtd/nand/denali.c~linux-kernelh-move-div_round_down_ull-macro
+++ a/drivers/mtd/nand/denali.c
@@ -980,9 +980,6 @@ static int denali_erase(struct mtd_info
 	return irq_status & INTR__ERASE_COMP ? 0 : NAND_STATUS_FAIL;
 }
 
-#define DIV_ROUND_DOWN_ULL(ll, d) \
-	({ unsigned long long _tmp = (ll); do_div(_tmp, d); _tmp; })
-
 static int denali_setup_data_interface(struct mtd_info *mtd, int chipnr,
 				       const struct nand_data_interface *conf)
 {
diff -puN include/linux/kernel.h~linux-kernelh-move-div_round_down_ull-macro include/linux/kernel.h
--- a/include/linux/kernel.h~linux-kernelh-move-div_round_down_ull-macro
+++ a/include/linux/kernel.h
@@ -78,8 +78,11 @@
 
 #define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f))
 #define DIV_ROUND_UP __KERNEL_DIV_ROUND_UP
-#define DIV_ROUND_UP_ULL(ll,d) \
-	({ unsigned long long _tmp = (ll)+(d)-1; do_div(_tmp, d); _tmp; })
+
+#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)
diff -puN sound/soc/codecs/pcm512x.c~linux-kernelh-move-div_round_down_ull-macro sound/soc/codecs/pcm512x.c
--- a/sound/soc/codecs/pcm512x.c~linux-kernelh-move-div_round_down_ull-macro
+++ a/sound/soc/codecs/pcm512x.c
@@ -30,9 +30,6 @@
 
 #include "pcm512x.h"
 
-#define DIV_ROUND_DOWN_ULL(ll, d) \
-	({ unsigned long long _tmp = (ll); do_div(_tmp, d); _tmp; })