From patchwork Wed Dec 23 17:22:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lars-Peter Clausen X-Patchwork-Id: 11988715 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5EBAAC433E0 for ; Wed, 23 Dec 2020 17:25:01 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 737C82220B for ; Wed, 23 Dec 2020 17:25:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 737C82220B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=metafoo.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 5AC971751; Wed, 23 Dec 2020 18:24:06 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 5AC971751 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1608744296; bh=xeLoH1OD/V0cqdfJ566+2xnYuHJIftlJS0nJE+BjllI=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=XItOxOD5oODsy655cr2lfgvwc/ONOWFo04NR1aL6jxAmawgLtW81q7fXGs0XFVYWn sqyfNrt1kpeKD4ObrQSIvgd5zUYbgymhdTPXrqx7A2H7I5aCJuZ0fGpNsI6tiSAWFc pGtT3Teu/wFZVq7E2g/yP8A2HqFYXVokP5P4spIA= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 24026F800BC; Wed, 23 Dec 2020 18:23:19 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 74A84F804C3; Wed, 23 Dec 2020 18:23:14 +0100 (CET) Received: from www381.your-server.de (www381.your-server.de [78.46.137.84]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id D78C9F801EB for ; Wed, 23 Dec 2020 18:23:02 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz D78C9F801EB Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=metafoo.de header.i=@metafoo.de header.b="OgZhxd6V" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=metafoo.de; s=default2002; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID; bh=P58eCGvh3i4hWZxrddca8XJyC+8GhFjJTL+zu8A1d08=; b=OgZhxd6V9Xoz3jvKeSuluHORuR 1dSlKZHTEFCKV9d/yDFs6Xz4xCERnGNeN+pAOuL4lAl3YrS75KLzCdFjuxnDmxc2gaMOKjnhPGFie VN6Y1URJWgqFiA6Df7Te2X/t3eoFMmcOstfkWi1EMdMvXWeyUfMw5ow9NVFK3+vaJbRDie83t5d5o z38Yk3FAiaBN1dHTJWKhPSv4GfZEERDkdw/GSzQmF+GaniknjrcsNLKFDGkJPC0aTgstPGJNsMquQ Bpyi+aADTjWvdlvK9Ojm1hiIApt0dRrHSzojae3gM/k9jUyOJOZ1tge+a9XgjKx70GKnDSpWPT6SA qk81b4mA==; Received: from sslproxy01.your-server.de ([78.46.139.224]) by www381.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92.3) (envelope-from ) id 1ks7qo-000Etf-Ar; Wed, 23 Dec 2020 18:23:02 +0100 Received: from [62.216.202.54] (helo=lars-desktop.fritz.box) by sslproxy01.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ks7qo-000Crk-7f; Wed, 23 Dec 2020 18:23:02 +0100 From: Lars-Peter Clausen To: Takashi Iwai Subject: [PATCH 04/18] ALSA: bt87x: Use DIV_ROUND_UP() instead of open-coding it Date: Wed, 23 Dec 2020 18:22:15 +0100 Message-Id: <20201223172229.781-4-lars@metafoo.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20201223172229.781-1-lars@metafoo.de> References: <20201223172229.781-1-lars@metafoo.de> MIME-Version: 1.0 X-Authenticated-Sender: lars@metafoo.de X-Virus-Scanned: Clear (ClamAV 0.102.4/26026/Wed Dec 23 13:53:03 2020) Cc: alsa-devel@alsa-project.org, Lars-Peter Clausen X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Use DIV_ROUND_UP() instead of open-coding it. This documents intent and makes it more clear what is going on for the casual reviewer. Generated using the following the Coccinelle semantic patch. // @r1@ expression x; constant C1; constant C2; @@ (x + C1) / C2 @script:python@ C1 << r1.C1; C2 << r1.C2; @@ try: if int(C1) != int(C2) - 1: cocci.include_match(False) except: cocci.include_match(False) @@ expression r1.x; constant r1.C1; constant r1.C2; @@ -(((x) + C1) / C2) +DIV_ROUND_UP(x, C2) // Signed-off-by: Lars-Peter Clausen --- sound/pci/bt87x.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sound/pci/bt87x.c b/sound/pci/bt87x.c index 54cb223caa2f..cf9f8d80a0b6 100644 --- a/sound/pci/bt87x.c +++ b/sound/pci/bt87x.c @@ -327,7 +327,8 @@ static irqreturn_t snd_bt87x_interrupt(int irq, void *dev_id) current_block = chip->current_line * 16 / chip->lines; irq_block = status >> INT_RISCS_SHIFT; if (current_block != irq_block) - chip->current_line = (irq_block * chip->lines + 15) / 16; + chip->current_line = DIV_ROUND_UP(irq_block * chip->lines, + 16); snd_pcm_period_elapsed(chip->substream); }