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, 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 8266EC10DCE for ; Wed, 11 Mar 2020 01:41:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 56CBA208C3 for ; Wed, 11 Mar 2020 01:41:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728060AbgCKBls (ORCPT ); Tue, 10 Mar 2020 21:41:48 -0400 Received: from alexa-out-sd-02.qualcomm.com ([199.106.114.39]:38834 "EHLO alexa-out-sd-02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727941AbgCKBl0 (ORCPT ); Tue, 10 Mar 2020 21:41:26 -0400 Received: from unknown (HELO ironmsg02-sd.qualcomm.com) ([10.53.140.142]) by alexa-out-sd-02.qualcomm.com with ESMTP; 10 Mar 2020 18:41:25 -0700 Received: from gurus-linux.qualcomm.com ([10.46.162.81]) by ironmsg02-sd.qualcomm.com with ESMTP; 10 Mar 2020 18:41:24 -0700 Received: by gurus-linux.qualcomm.com (Postfix, from userid 383780) id 61883107B; Tue, 10 Mar 2020 18:41:24 -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 , linux-kernel@vger.kernel.org, Guru Das Srinagesh , Maxime Ripard , Chen-Yu Tsai , Philipp Zabel Subject: [PATCH v8 10/12] pwm: sun4i: Use 64-bit division function Date: Tue, 10 Mar 2020 18:41:19 -0700 Message-Id: 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 div_u64 to handle a 64-bit dividend instead of a straight division operation. Cc: Maxime Ripard Cc: Chen-Yu Tsai Cc: Philipp Zabel Signed-off-by: Guru Das Srinagesh --- 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 3e3efa6..772fdf4 100644 --- a/drivers/pwm/pwm-sun4i.c +++ b/drivers/pwm/pwm-sun4i.c @@ -286,7 +286,7 @@ 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); + usecs_to_jiffies(div_u64(cstate.period, 1000) + 1); sun4i_pwm->needs_delay[pwm->hwpwm] = true; if (state->polarity != PWM_POLARITY_NORMAL) -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project