From owner-svn-src-head@freebsd.org Fri Sep 25 07:40:03 2020 Return-Path: Delivered-To: svn-src-head@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 291D03EDD22; Fri, 25 Sep 2020 07:40:03 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4ByP2W0Nqxz4m7y; Fri, 25 Sep 2020 07:40:03 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id E62AEF7DD; Fri, 25 Sep 2020 07:40:02 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 08P7e2Yq096823; Fri, 25 Sep 2020 07:40:02 GMT (envelope-from avg@FreeBSD.org) Received: (from avg@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 08P7e2oL096822; Fri, 25 Sep 2020 07:40:02 GMT (envelope-from avg@FreeBSD.org) Message-Id: <202009250740.08P7e2oL096822@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: avg set sender to avg@FreeBSD.org using -f From: Andriy Gapon Date: Fri, 25 Sep 2020 07:40:02 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r366139 - head/sys/arm/allwinner X-SVN-Group: head X-SVN-Commit-Author: avg X-SVN-Commit-Paths: head/sys/arm/allwinner X-SVN-Commit-Revision: 366139 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 25 Sep 2020 07:40:03 -0000 Author: avg Date: Fri Sep 25 07:40:02 2020 New Revision: 366139 URL: https://svnweb.freebsd.org/changeset/base/366139 Log: aw_pwm: fix selection of the prescaler Prescaling divides the frequency, not multiplies it. MFC after: 2 weeks Modified: head/sys/arm/allwinner/aw_pwm.c Modified: head/sys/arm/allwinner/aw_pwm.c ============================================================================== --- head/sys/arm/allwinner/aw_pwm.c Fri Sep 25 07:39:41 2020 (r366138) +++ head/sys/arm/allwinner/aw_pwm.c Fri Sep 25 07:40:02 2020 (r366139) @@ -274,7 +274,7 @@ aw_pwm_channel_config(device_t dev, u_int channel, u_i for (i = 0; i < nitems(aw_pwm_clk_prescaler); i++) { if (aw_pwm_clk_prescaler[i] == 0) continue; - div = (AW_PWM_MAX_FREQ * aw_pwm_clk_prescaler[i]) / period_freq; + div = AW_PWM_MAX_FREQ / aw_pwm_clk_prescaler[i] / period_freq; if ((div - 1) < AW_PWM_PERIOD_TOTAL_MASK ) { prescaler = i; clk_rate = AW_PWM_MAX_FREQ / aw_pwm_clk_prescaler[i];