From patchwork Thu Apr 9 06:52:36 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guru Das Srinagesh X-Patchwork-Id: 11481321 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7EE2B92A for ; Thu, 9 Apr 2020 06:53:01 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 50360206F7 for ; Thu, 9 Apr 2020 06:53:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="SPwbunM2" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 50360206F7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+patchwork-linux-riscv=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:MIME-Version: Content-Type:Content-Transfer-Encoding:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=RN0vq999UahIKB+VMJD2825Mcap0oVpjG96Sc3wESBY=; b=SPwbunM2KyK57H KIBGJwG4dHVRdtUBZCCo/l4J3cQtrWXrJ23Kk78X+MPdllIh7AKzac0BCDu8mCT8avjd5k1oXqFEK uf2hXcapS3bYDnzVfZET9tCljDRKGaTHq9FgMgT5pfn33cQuQ2TcSdtVwSdi5DAkTpdOaGpFOIPJ9 WHdPdwOu+ucc9v/BINeoPrNRaDtLvQ13qi0rsTJv0ljEZ97TqZA9Xi5TWM1GhCDY5stabvrmtJ4br 6yt9dAu4/zH8KwndaVLOmKSxlOyuFiayUTJ/Lx6Gk3jXk3w3ZkPa3P7cnYhmw78FnL5AMylXQu4+1 8nHdP9rFLGhREcAGOBHA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jMR3Z-0002qC-Qp; Thu, 09 Apr 2020 06:52:57 +0000 Received: from alexa-out-sd-02.qualcomm.com ([199.106.114.39]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jMR3X-0002pq-MR for linux-riscv@lists.infradead.org; Thu, 09 Apr 2020 06:52:56 +0000 Received: from unknown (HELO ironmsg02-sd.qualcomm.com) ([10.53.140.142]) by alexa-out-sd-02.qualcomm.com with ESMTP; 08 Apr 2020 23:52:54 -0700 Received: from gurus-linux.qualcomm.com ([10.46.162.81]) by ironmsg02-sd.qualcomm.com with ESMTP; 08 Apr 2020 23:52:54 -0700 Received: by gurus-linux.qualcomm.com (Postfix, from userid 383780) id 576D14C4D; Wed, 8 Apr 2020 23:52:54 -0700 (PDT) From: Guru Das Srinagesh To: linux-pwm@vger.kernel.org Subject: [PATCH v12 07/11] pwm: sifive: Use 64-bit division macro Date: Wed, 8 Apr 2020 23:52:36 -0700 Message-Id: <4d19ddbf3310a0951c569896a852f143ee20841a.1586414867.git.gurus@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: References: In-Reply-To: References: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200408_235255_755295_497F6BFF X-CRM114-Status: UNSURE ( 9.05 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.0 (--) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-2.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [199.106.114.39 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.2 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level mail domains are different X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Guru Das Srinagesh , David Collins , Paul Walmsley , linux-kernel@vger.kernel.org, Atish Patra , Yash Shah , Thierry Reding , Palmer Dabbelt , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Subbaraman Narayanamurthy , linux-riscv@lists.infradead.org Sender: "linux-riscv" Errors-To: linux-riscv-bounces+patchwork-linux-riscv=patchwork.kernel.org@lists.infradead.org Since the PWM framework is switching struct pwm_args.period's datatype to u64, prepare for this transition by using DIV64_U64_ROUND_CLOSEST to handle a 64-bit divisor. Cc: Palmer Dabbelt Cc: Paul Walmsley Cc: linux-riscv@lists.infradead.org Cc: Yash Shah Cc: Atish Patra Signed-off-by: Guru Das Srinagesh Acked-by: Palmer Dabbelt --- drivers/pwm/pwm-sifive.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pwm/pwm-sifive.c b/drivers/pwm/pwm-sifive.c index cc63f9b..62de0bb 100644 --- a/drivers/pwm/pwm-sifive.c +++ b/drivers/pwm/pwm-sifive.c @@ -181,7 +181,7 @@ static int pwm_sifive_apply(struct pwm_chip *chip, struct pwm_device *pwm, * consecutively */ num = (u64)duty_cycle * (1U << PWM_SIFIVE_CMPWIDTH); - frac = DIV_ROUND_CLOSEST_ULL(num, state->period); + frac = DIV64_U64_ROUND_CLOSEST(num, state->period); /* The hardware cannot generate a 100% duty cycle */ frac = min(frac, (1U << PWM_SIFIVE_CMPWIDTH) - 1);