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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id AA470C433F5 for ; Fri, 14 Jan 2022 03:08:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:CC:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=TVOc2hLjkjCk5dHE3Nd0O5AUnjyTBIENrKCVQvbH7Cc=; b=uSSQ/69f5KsBSU p5f0RKwUecDzepjTdAYueV5rkPyD2bebGfXB/76hFTfKzRtr23exp3Cw1EeNtpSvSqYAmda5dhmVP 9DjLbQ70krVxuXyhlFstu+S3EGk+dkX6G3l4+EO2OfIpAV8iZmKbm402/DFS+vmt7tq+YlQuON/Sy 86cxqv798TTf1P/JhNN/U7tLTCyRsrSL6Z9rCqPGqv36mn/REakIFQo3HhxHOgmW8kLFpdj8IXSro z5rF1WQN5r3y2hq4zHAL6IXTdOY+bH3PjWQFYv8/c6CS8ErEzRG7cdTHOjr58zrqXVjwHezgzDftp p2D0vYMtlzr4xLDSrgQg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n8Cvz-007Z25-St; Fri, 14 Jan 2022 03:07:24 +0000 Received: from mail-sz.amlogic.com ([211.162.65.117]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1n8Cvv-007Z0B-GF; Fri, 14 Jan 2022 03:07:20 +0000 Received: from [10.28.39.106] (10.28.39.106) by mail-sz.amlogic.com (10.28.11.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Fri, 14 Jan 2022 11:07:17 +0800 Message-ID: <98619eef-8b51-c138-e98d-39fdbe4c9ebb@amlogic.com> Date: Fri, 14 Jan 2022 11:07:17 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCH v9 1/4] clk: meson: add one based divider support for sclk Content-Language: en-US To: Stephen Boyd , Jerome Brunet , Kevin Hilman , Michael Turquette , Neil Armstrong , Rob Herring , CC: Martin Blumenstingl , Jianxin Pan , Victor Wan , XianWei Zhao , Kelvin Zhang , BiChao Zheng , YongHui Yu , , , , References: <20220113115745.45826-1-liang.yang@amlogic.com> <20220113115745.45826-2-liang.yang@amlogic.com> <20220113212801.E88BFC36AE3@smtp.kernel.org> From: Liang Yang In-Reply-To: <20220113212801.E88BFC36AE3@smtp.kernel.org> X-Originating-IP: [10.28.39.106] X-ClientProxiedBy: mail-sz.amlogic.com (10.28.11.5) To mail-sz.amlogic.com (10.28.11.5) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220113_190719_575174_9710A01D X-CRM114-Status: UNSURE ( 6.59 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Stephen, On 2022/1/14 5:28, Stephen Boyd wrote: > [ EXTERNAL EMAIL ] > > Quoting Liang Yang (2022-01-13 03:57:42) >> diff --git a/drivers/clk/meson/sclk-div.c b/drivers/clk/meson/sclk-div.c >> index 76d31c0a3342..79c9efd28115 100644 >> --- a/drivers/clk/meson/sclk-div.c >> +++ b/drivers/clk/meson/sclk-div.c >> @@ -28,22 +29,39 @@ meson_sclk_div_data(struct clk_regmap *clk) >> return (struct meson_sclk_div_data *)clk->data; >> } >> >> -static int sclk_div_maxval(struct meson_sclk_div_data *sclk) >> +static inline int sclk_get_reg(int val, unsigned char flag) >> { >> - return (1 << sclk->div.width) - 1; >> + if ((flag & MESON_SCLK_ONE_BASED) || !val) >> + return val; >> + else >> + return val - 1; > > Please drop the else ok > >> +} >> + >> +static inline int sclk_get_divider(int reg, unsigned char flag) >> +{ >> + if (flag & MESON_SCLK_ONE_BASED) >> + return reg; >> + else > > Please drop the else ok > >> + return reg + 1; >> } >> >> static int sclk_div_maxdiv(struct meson_sclk_div_data *sclk) >> { >> - return sclk_div_maxval(sclk) + 1; > > . _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel