From patchwork Wed May 13 00:39:42 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: 11544351 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 7E6D3912 for ; Wed, 13 May 2020 00:42:35 +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 5C60120769 for ; Wed, 13 May 2020 00:42:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="RKMyjy9b" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5C60120769 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-arm-kernel-bounces+patchwork-linux-arm=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: Content-Transfer-Encoding:Content-Type:MIME-Version: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:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=8+5+Uhga+8QSIOxu7qqBB3SHn9WdFae7bIntDbDPo3g=; b=RKMyjy9b9X1m+38ox9FRgk+vN1 q2DhI2X5QTWKE72ffvisxOPvBsQzF+OUf32vLWxWyGQ/DCXxEZHogSljYXWPUjJsiR9TKXeY59UJb RkbRILEXo5RHXpXVy5MhuO0oOgk6TQhM0Yixamh/FrUtMiGOYqb/qcrONYdS7emj2uckmSeXvFGVJ iiWhHktR1nV3GZDbvD0KhOzreg9Yevf/sr77Kc8QEyXJeEv1dJqijs2ehnMKeP6weQLPkccF/KsE5 eKex0tgWO06cwpjzb9UiYZ3dUliEz0wb38rF3tXFxTzS1zNEl3d3+Q3LGq/vI5++CddnyCOOWNaGf wVWW/jMw==; 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 1jYfTj-0008Qj-DP; Wed, 13 May 2020 00:42:31 +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 1jYfRD-0003oF-Cw for linux-arm-kernel@lists.infradead.org; Wed, 13 May 2020 00:39:56 +0000 Received: from unknown (HELO ironmsg04-sd.qualcomm.com) ([10.53.140.144]) by alexa-out-sd-02.qualcomm.com with ESMTP; 12 May 2020 17:39:48 -0700 Received: from gurus-linux.qualcomm.com ([10.46.162.81]) by ironmsg04-sd.qualcomm.com with ESMTP; 12 May 2020 17:39:47 -0700 Received: by gurus-linux.qualcomm.com (Postfix, from userid 383780) id D558C49C2; Tue, 12 May 2020 17:39:47 -0700 (PDT) From: Guru Das Srinagesh To: linux-pwm@vger.kernel.org, Thierry Reding , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= Subject: [RESEND PATCH v14 08/11] pwm: sun4i: Use nsecs_to_jiffies to avoid a division Date: Tue, 12 May 2020 17:39:42 -0700 Message-Id: <93595b4e546184b80cd7959e78e8e3f2c5ef61a3.1589330178.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-20200512_173955_501136_457566B8 X-CRM114-Status: GOOD ( 11.95 ) 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_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-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-kernel@lists.infradead.org, Guru Das Srinagesh , Daniel Thompson , Arnd Bergmann , David Collins , Stephen Boyd , linux-kernel@vger.kernel.org, Geert Uytterhoeven , Dan Carpenter , Joe Perches , Subbaraman Narayanamurthy , Lee Jones , Guenter Roeck MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Since the PWM framework is switching struct pwm_state.period's datatype to u64, prepare for this transition by using nsecs_to_jiffies() which does away with the need for a division operation. Signed-off-by: Guru Das Srinagesh Acked-by: Chen-Yu Tsai --- drivers/pwm/pwm-sun4i.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pwm/pwm-sun4i.c b/drivers/pwm/pwm-sun4i.c index 5c677c5..1694e69 100644 --- a/drivers/pwm/pwm-sun4i.c +++ b/drivers/pwm/pwm-sun4i.c @@ -285,7 +285,7 @@ static int sun4i_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, val = (duty & PWM_DTY_MASK) | PWM_PRD(period); sun4i_pwm_writel(sun4i_pwm, val, PWM_CH_PRD(pwm->hwpwm)); sun4i_pwm->next_period[pwm->hwpwm] = jiffies + - usecs_to_jiffies(cstate.period / 1000 + 1); + nsecs_to_jiffies(cstate.period + 1000); if (state->polarity != PWM_POLARITY_NORMAL) ctrl &= ~BIT_CH(PWM_ACT_STATE, pwm->hwpwm);