From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 D97D1C54FD0 for ; Wed, 22 Apr 2020 02:57:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C3A9F206D5 for ; Wed, 22 Apr 2020 02:57:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726551AbgDVC5s (ORCPT ); Tue, 21 Apr 2020 22:57:48 -0400 Received: from alexa-out-sd-01.qualcomm.com ([199.106.114.38]:9490 "EHLO alexa-out-sd-01.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726484AbgDVC53 (ORCPT ); Tue, 21 Apr 2020 22:57:29 -0400 Received: from unknown (HELO ironmsg04-sd.qualcomm.com) ([10.53.140.144]) 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 ironmsg04-sd.qualcomm.com with ESMTP; 21 Apr 2020 19:57:26 -0700 Received: by gurus-linux.qualcomm.com (Postfix, from userid 383780) id 03E0D4B8D; Tue, 21 Apr 2020 19:57:26 -0700 (PDT) From: Guru Das Srinagesh To: linux-pwm@vger.kernel.org Cc: Thierry Reding , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Subbaraman Narayanamurthy , David Collins , linux-kernel@vger.kernel.org, Guru Das Srinagesh , Maxime Ripard , Chen-Yu Tsai , Philipp Zabel Subject: [PATCH v13 08/11] pwm: sun4i: Use nsecs_to_jiffies to avoid a division Date: Tue, 21 Apr 2020 19:57:20 -0700 Message-Id: <03db1e817e6c79a88a06a5dc85cd508a24a67c2e.1587523702.git.gurus@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.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. Cc: Maxime Ripard Cc: Chen-Yu Tsai Cc: Philipp Zabel 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); -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project