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> Acked-by: Mark Brown <broonie@kernel.org> 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: 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> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -980,9 +980,6 @@ static int denali_erase(struct mtd_info *mtd, int page)
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return irq_status & INTR__ERASE_COMP ? 0 : NAND_STATUS_FAIL;
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}
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#define DIV_ROUND_DOWN_ULL(ll, d) \
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({ unsigned long long _tmp = (ll); do_div(_tmp, d); _tmp; })
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static int denali_setup_data_interface(struct mtd_info *mtd, int chipnr,
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const struct nand_data_interface *conf)
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{
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@ -78,8 +78,11 @@
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#define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f))
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#define DIV_ROUND_UP __KERNEL_DIV_ROUND_UP
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#define DIV_ROUND_UP_ULL(ll,d) \
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({ unsigned long long _tmp = (ll)+(d)-1; do_div(_tmp, d); _tmp; })
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#define DIV_ROUND_DOWN_ULL(ll, d) \
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({ unsigned long long _tmp = (ll); do_div(_tmp, d); _tmp; })
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#define DIV_ROUND_UP_ULL(ll, d) DIV_ROUND_DOWN_ULL((ll) + (d) - 1, (d))
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#if BITS_PER_LONG == 32
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# define DIV_ROUND_UP_SECTOR_T(ll,d) DIV_ROUND_UP_ULL(ll, d)
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@ -30,9 +30,6 @@
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#include "pcm512x.h"
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#define DIV_ROUND_DOWN_ULL(ll, d) \
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({ unsigned long long _tmp = (ll); do_div(_tmp, d); _tmp; })
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#define PCM512x_NUM_SUPPLIES 3
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static const char * const pcm512x_supply_names[PCM512x_NUM_SUPPLIES] = {
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"AVDD",
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