From patchwork Wed Sep 13 10:16:44 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 112430 Delivered-To: patch@linaro.org Received: by 10.80.202.13 with SMTP id d13csp775774edi; Wed, 13 Sep 2017 03:17:02 -0700 (PDT) X-Google-Smtp-Source: ADKCNb6pZr9Sxe+9StrQwMK2CMIz1rVB/8HxkslhWc6Aiq04S1zuq7KKYc9rKj9oGvrD+Cw82uSL X-Received: by 10.80.163.69 with SMTP id 63mr15452826edn.253.1505297822228; Wed, 13 Sep 2017 03:17:02 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1505297822; cv=none; d=google.com; s=arc-20160816; b=AGcXtdjD1j3Rj7UmqNuGfFNNq6NkUkOfxLaejJrFd1i9ELteLJOHZQ7dMOvSgFlilA bdsMAoeOhKZEEbXEOB8421Yu0vNfdTdtOeoYSyL9i0MIaMVrAh5cmi9dCBz1b0iVUtF2 Czapzm8nNaof/ufJEDJNBT/svi72gmRSCI7XcdFFEo398Rs5OlwS3NL6EA0fM7kVgHmo VYGjkgSWD67Z1FRkofLaRlgYXEmO1snjG9Ojm39VsRzo+usv5jpz/JN7jHNRgeG+xvzR 4WfxQHwMZJ+iVf5+rJmmMYmSjU8PcUc9fYmcHceMRxg3qxsGpQCvHHvblm1uznFKypEK 438w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:mime-version :list-subscribe:list-help:list-post:list-archive:list-unsubscribe :list-id:precedence:subject:message-id:date:to:from:dkim-signature :dkim-filter:arc-authentication-results; bh=TQFzvrKeSsXX30F7AM2CK9C8lY5E8/zVVE1PUT7MNoU=; b=SFPdVjv3snFdtT/pdte4HasDSJMhtg639e8uSFRutBWeko38nn9r8w6N8pE8ohc0RE JsM95e97youzAz54BcC+dWaJW+xO0hBxi2ysjxNGbzxMaaM/vyVp7LcW2YT1FXbFLsw2 V0eSNTzqW1xTbrIq2XztfI1XRZCDTA4nNRJaTLc74UZ9d0A3zOB5s0bSBEdsZEvm8v6c fLbWSGmclDcwC+C41JsXFZzj6SKHdACgTiJra0SmseoOsfpmKoivFzDzpJYlMI+uPjCP yczysG/9mKiEaHKCf4Ab4iC+0cdyDPukf07Cak7iTu6wjj5rMVAV//lHBKBsssz5CoAd nrmA== ARC-Authentication-Results: i=1; mx.google.com; dkim=neutral (body hash did not verify) header.i=@nifty.com header.s=dec2015msa header.b=ik9NQrN6; spf=pass (google.com: best guess record for domain of u-boot-bounces@lists.denx.de designates 81.169.180.215 as permitted sender) smtp.mailfrom=u-boot-bounces@lists.denx.de Return-Path: Received: from lists.denx.de (dione.denx.de. [81.169.180.215]) by mx.google.com with ESMTP id m26si14712683edc.113.2017.09.13.03.17.01; Wed, 13 Sep 2017 03:17:02 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of u-boot-bounces@lists.denx.de designates 81.169.180.215 as permitted sender) client-ip=81.169.180.215; Authentication-Results: mx.google.com; dkim=neutral (body hash did not verify) header.i=@nifty.com header.s=dec2015msa header.b=ik9NQrN6; spf=pass (google.com: best guess record for domain of u-boot-bounces@lists.denx.de designates 81.169.180.215 as permitted sender) smtp.mailfrom=u-boot-bounces@lists.denx.de Received: by lists.denx.de (Postfix, from userid 105) id 8171FC22608; Wed, 13 Sep 2017 10:16:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=unavailable autolearn_force=no version=3.4.0 Received: from lists.denx.de (localhost [IPv6:::1]) by lists.denx.de (Postfix) with ESMTP id D135DC225CA; Wed, 13 Sep 2017 10:16:54 +0000 (UTC) Received: by lists.denx.de (Postfix, from userid 105) id 82278C225CA; Wed, 13 Sep 2017 10:16:53 +0000 (UTC) Received: from conuserg-11.nifty.com (conuserg-11.nifty.com [210.131.2.78]) by lists.denx.de (Postfix) with ESMTPS id 83BB3C225AB for ; Wed, 13 Sep 2017 10:16:52 +0000 (UTC) Received: from pug.e01.socionext.com (p14092-ipngnfx01kyoto.kyoto.ocn.ne.jp [153.142.97.92]) (authenticated) by conuserg-11.nifty.com with ESMTP id v8DAGkY2008024; Wed, 13 Sep 2017 19:16:46 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-11.nifty.com v8DAGkY2008024 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1505297806; bh=eo4XQrKKZ06siIQdvIPDkCJa1cdCphNtdzAsMJyc8cs=; h=From:To:Cc:Subject:Date:From; b=ik9NQrN6ASnIOU5A3TXfqX50kQgNdCfWhwztaU4JYKlrK6qzyNtC8VhU2SkYs8/wR kk8rNsHYi1nXM/av1Ry+ryMbDOzEk3VQIKAMGwFD0JrtVQf+zYpLY1nXe5/GrWpZcY jNLggL7aFegukdm3caAKJ4I89nONiLGX5uw3VSWS/Dz94h0O0YBGJ8N7iQLM0zk2hQ ri1bMTtdLDzwFdEMhdnQ38PWmDOumlXBSdK/k2IortUab2b/yu/DDZDLUxRnqCru6n R3Sk/M2jI3nj+lilCPI3tIQy6qCYqhO/Fur9p2yXrFAtaDJZxYVAZAMeIMW4hVfWwy MV0eZNg08QqCQ== X-Nifty-SrcIP: [153.142.97.92] From: Masahiro Yamada To: u-boot@lists.denx.de Date: Wed, 13 Sep 2017 19:16:44 +0900 Message-Id: <1505297804-26648-1-git-send-email-yamada.masahiro@socionext.com> X-Mailer: git-send-email 2.7.4 Subject: [U-Boot] [PATCH] linux/kernel.h: import DIV_ROUND_{DOWN, UP}_ULL from Linux X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" These macros are useful to avoid link error on 32-bit systems. Signed-off-by: Masahiro Yamada --- 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