From patchwork Wed Apr 22 02:57:19 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: 11502765 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 F3EEC139F for ; Wed, 22 Apr 2020 02:57:33 +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 D1D6B206D5 for ; Wed, 22 Apr 2020 02:57:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="nwwuEsPX" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D1D6B206D5 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=nwwuEsPXMmaqkk qlBCn36R/A/+NpIwRvNxy/UiW/gVbImjpNM+g84mt+PjJmHgOPfAU0pCfcSCpWMVcDNAHDvaMsVJE EdIyZI+uy5XOzNmvnOkO0ZjRpSszydMCimMOiPERM/N9U4eM3tOLttEzWFZ86wQHHIQ3sJr7EbRA1 xUUpCpXICM0fyQx1FMKp8Jx0E+RIBWkjMKp8FtjNQd5ZbLkR2rRmvsMfVqm2eazvcjsz5xYldgKW4 UX9WnmMxhk5b5V9fxO+UtpOrjFowdVmJSnVNPWA96dLpT/it95CHDNMtISOo27u92i0FI1L924O8E 2c4QD7yZ4NyeQkWlihKw==; 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 1jR5Zr-00082p-8B; Wed, 22 Apr 2020 02:57:31 +0000 Received: from alexa-out-sd-01.qualcomm.com ([199.106.114.38]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jR5Zo-000822-Mw for linux-riscv@lists.infradead.org; Wed, 22 Apr 2020 02:57:29 +0000 Received: from unknown (HELO ironmsg-SD-alpha.qualcomm.com) ([10.53.140.30]) by alexa-out-sd-01.qualcomm.com with ESMTP; 21 Apr 2020 19:57:27 -0700 Received: from gurus-linux.qualcomm.com ([10.46.162.81]) by ironmsg-SD-alpha.qualcomm.com with ESMTP; 21 Apr 2020 19:57:26 -0700 Received: by gurus-linux.qualcomm.com (Postfix, from userid 383780) id EB8D34CB2; Tue, 21 Apr 2020 19:57:26 -0700 (PDT) From: Guru Das Srinagesh To: linux-pwm@vger.kernel.org Subject: [PATCH v13 07/11] pwm: sifive: Use 64-bit division macro Date: Tue, 21 Apr 2020 19:57:19 -0700 Message-Id: <7e1f06fb223c4c15ae50bf216351126cb6cc44e3.1587523702.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-20200421_195728_784580_3C66BCF3 X-CRM114-Status: UNSURE ( 9.39 ) 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 [199.106.114.38 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an 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);