From patchwork Wed Mar 1 00:26:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jesse Taube X-Patchwork-Id: 13155378 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A12B3C7EE30 for ; Wed, 1 Mar 2023 00:27:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229637AbjCAA1C (ORCPT ); Tue, 28 Feb 2023 19:27:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60558 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229582AbjCAA1B (ORCPT ); Tue, 28 Feb 2023 19:27:01 -0500 Received: from mail-qt1-x831.google.com (mail-qt1-x831.google.com [IPv6:2607:f8b0:4864:20::831]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1416F166FE; Tue, 28 Feb 2023 16:27:01 -0800 (PST) Received: by mail-qt1-x831.google.com with SMTP id cf14so12593034qtb.10; Tue, 28 Feb 2023 16:27:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1677630420; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=EJeL8n1akQBNQY4mRwitUTFXHR0Ml81lQFAgFs/9ooY=; b=K7bv3zo7nkCzf6deBRp4Lg5YJiKpmZGrVVrcwX6fMe04PLGbmPyiZ1MfpMFJQ3gczk PTyFy7vyLgLlx4rQsvY5iWzcRX3PiEerotSwO1e2S/uUms8G6rSLjchIcjEksVUEjiAm lqxx6nLANTkqsDfT2GGi0AknUbNFldAXU+7lx+ghL7WHK+3w+CaZW0Jan14INQZhOML9 ojesxHzEYYczhj2+mxUoQOQVI0RHUXdx3ff+mDU8+OOYUEjKABkvjPah1T9R0sgtLfL1 JRbjxDw92oE/6vsQ929iWXZ7ucRImszCuaADlO3+M6lK9IL4xYmXkipZHIL1URAUffnO DiVw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1677630420; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=EJeL8n1akQBNQY4mRwitUTFXHR0Ml81lQFAgFs/9ooY=; b=HG208m9fU3ciDls425w2tiUogZYUMWbUIOQCeRYakQUutMBUAzpJZgusb7lI35XXwr D/Tjei465eEM0zkt2rMPlUEmq0Gze3rMdyy4JFn1x6pZ+CZBSe5rTZCwp8MHjaSive+/ tv3BrsUT+wEmFnfbp/0dsVNV0iIkOf60eYo+S/m3n9R2EgTolnBDOZGxIqM1rtNyi1N9 3N0BC6+TWoMk+hiYmnYT1kAVcASsLNaKlul7UnCsbX7P84kDGXAYaAbSdK+N/stCDiuJ qUdy3v7tg7jwZyWFuYTxZgv03bnLcJr+gfvVP7Bm2RAfWlIZLeAi43NWWzEXE4tfraFA IHfg== X-Gm-Message-State: AO0yUKW8YToiK82jw3Tm3H1ml+Wn+DMFD4itJ6m8BC9PmUU/37TFQYrD /zcvITfm5Kg4e1QsfmBIiFQ= X-Google-Smtp-Source: AK7set8zokOxucIULtSs5zhdVozPV61o7zflDRvd+aPvYt9Y7AQE+0kZsw5WSyFy3Fvn+3de2l1rkQ== X-Received: by 2002:a05:622a:1746:b0:3bf:dbd3:a014 with SMTP id l6-20020a05622a174600b003bfdbd3a014mr8768717qtk.45.1677630420219; Tue, 28 Feb 2023 16:27:00 -0800 (PST) Received: from jesse-desktop.jtp-bos.lab (pool-108-26-182-112.bstnma.fios.verizon.net. [108.26.182.112]) by smtp.gmail.com with ESMTPSA id t8-20020ac85888000000b003bb8c60cdf1sm7576698qta.78.2023.02.28.16.26.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Feb 2023 16:26:59 -0800 (PST) From: Jesse Taube X-Google-Original-From: Jesse Taube To: linux-riscv@lists.infradead.org Cc: linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, Jesse Taube , Yimin Gu , Damien Le Moal , Stephen Boyd , Michael Turquette , Waldemar Brodkorb , Albert Ou , Palmer Dabbelt , Paul Walmsley , Conor Dooley , kernel test robot Subject: [PATCH v3 1/3] clk: k210: remove an implicit 64-bit division Date: Tue, 28 Feb 2023 19:26:55 -0500 Message-Id: <20230301002657.352637-2-Mr.Bossman075@gmail.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230301002657.352637-1-Mr.Bossman075@gmail.com> References: <20230301002657.352637-1-Mr.Bossman075@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org From: Conor Dooley The K210 clock driver depends on SOC_CANAAN, which is only selectable when !MMU on RISC-V. !MMU is not possible on 32-bit yet, but patches have been sent for its enabling. The kernel test robot reported this implicit 64-bit division there. Replace the implicit division with an explicit one. Reported-by: kernel test robot Link: https://lore.kernel.org/linux-riscv/202301201538.zNlqgE4L-lkp@intel.com/ Signed-off-by: Conor Dooley Signed-off-by: Jesse Taube Reviewed-by: Damien Le Moal --- V1->V2: - new commit V2->V3: - No change --- drivers/clk/clk-k210.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/clk-k210.c b/drivers/clk/clk-k210.c index 67a7cb3503c3..4eed667eddaf 100644 --- a/drivers/clk/clk-k210.c +++ b/drivers/clk/clk-k210.c @@ -495,7 +495,7 @@ static unsigned long k210_pll_get_rate(struct clk_hw *hw, f = FIELD_GET(K210_PLL_CLKF, reg) + 1; od = FIELD_GET(K210_PLL_CLKOD, reg) + 1; - return (u64)parent_rate * f / (r * od); + return div_u64((u64)parent_rate * f, r * od); } static const struct clk_ops k210_pll_ops = {