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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C7BA2C433EF for ; Thu, 24 Feb 2022 03:58:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229804AbiBXD6x (ORCPT ); Wed, 23 Feb 2022 22:58:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40612 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229805AbiBXD6w (ORCPT ); Wed, 23 Feb 2022 22:58:52 -0500 Received: from mail-oi1-x236.google.com (mail-oi1-x236.google.com [IPv6:2607:f8b0:4864:20::236]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3160225D258 for ; Wed, 23 Feb 2022 19:58:23 -0800 (PST) Received: by mail-oi1-x236.google.com with SMTP id q5so1240777oij.6 for ; Wed, 23 Feb 2022 19:58:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=/rHiMAZ7RH310gYheZGBklR98lgCQetqEuPG8BVoGnc=; b=HtVFWkzVcB22eS57Hsfut1l+77KIhq5/gbM5SHBvkuOE6GFtyFNtp1XsuwdvAW83X3 ibivk9VPRmP4U3z6bsgxysubOwl5aG/g5HS7qpv/tqtOUBJTvHwsMqPSTeAEP/MVC6OO /6maTp2IRezoW92bw/VggdtfKvzpkQb8C2DUxQA4OmG4Lmw/r52TndslRuaa1rU1/IG4 jALk5HVeFaTImVEzZrIBRBEVnosnnF2TH2khXCmjESDUHliCT6/6azAc6K8jK9Js3sZn lUVyp5ogTAVlShTSNzT1uV7YczjAr0Ws4Zt8R5eNq2Y0t9d/47OkROwPRmjYV6iwIBkE k8Lw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=/rHiMAZ7RH310gYheZGBklR98lgCQetqEuPG8BVoGnc=; b=ryqJEciJBY/ZVL4gYQteh4AyWO2zGIwNKBUFr+ek4W12iTy9fdFAYGGxh+z4y1v6gF 3EMK6Ez1T65ZvCMS5hYapxi7XlUTwhp2wzE6Iy2ppuhOQ2U/ndIAXrJ70wxFrcixIvN8 hyZvMbznwESz0bl6+yh6RBhGz1hJXGXuM5V6qVQcmGry/CLetCQ0YMl6/mQQluWtXV4a Cpyi1XQwa/Xlz5owo/tjU+ZwAJY0mmTeAbG64O1xRtDX+bvqMDLuW77UcOyEWBCkJOR7 x80UotzzzN75vlnQIZ0Um7MxU/yMeqYz9PQGjax9FPRIsEtxgu9mZNnbsugCXIKbXfSa EgHQ== X-Gm-Message-State: AOAM532BpaLwvXEWYoyWVbFxyUzHErAX6xtiY9gkwjOolkiH75sa0Lqp fYLYkf7h+8v/qs09ZbrIem2H1A== X-Google-Smtp-Source: ABdhPJz9NXg0iE9mEWe1XINNAqvGIzk1n7sIHTLoP3qwnqauuCzLd4tE/sYDSuaZtsdh0GeiDf9iig== X-Received: by 2002:a05:6808:1707:b0:2ce:6a75:b883 with SMTP id bc7-20020a056808170700b002ce6a75b883mr382885oib.330.1645675102514; Wed, 23 Feb 2022 19:58:22 -0800 (PST) Received: from builder.lan ([2600:1700:a0:3dc8:3697:f6ff:fe85:aac9]) by smtp.gmail.com with ESMTPSA id s6sm912678oap.32.2022.02.23.19.58.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Feb 2022 19:58:21 -0800 (PST) Date: Wed, 23 Feb 2022 21:58:20 -0600 From: Bjorn Andersson To: Ansuel Smith Cc: Andy Gross , Michael Turquette , Stephen Boyd , Rob Herring , Philipp Zabel , Taniya Das , linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 10/16] clk: qcom: clk-rcg: add clk_rcg_floor_ops ops Message-ID: References: <20220217235703.26641-1-ansuelsmth@gmail.com> <20220217235703.26641-11-ansuelsmth@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220217235703.26641-11-ansuelsmth@gmail.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Thu 17 Feb 17:56 CST 2022, Ansuel Smith wrote: > Add clk_rcg_floor_ops for clock that can't provide a stable freq and > require to use a floor freq to provide the requested frequency. > Reviewed-by: Bjorn Andersson > Signed-off-by: Ansuel Smith > --- > drivers/clk/qcom/clk-rcg.c | 24 ++++++++++++++++++++++++ > 1 file changed, 24 insertions(+) > > diff --git a/drivers/clk/qcom/clk-rcg.c b/drivers/clk/qcom/clk-rcg.c > index a9d181d6be21..88845baa7f84 100644 > --- a/drivers/clk/qcom/clk-rcg.c > +++ b/drivers/clk/qcom/clk-rcg.c > @@ -526,6 +526,19 @@ static int clk_rcg_set_rate(struct clk_hw *hw, unsigned long rate, > return __clk_rcg_set_rate(rcg, f); > } > > +static int clk_rcg_set_floor_rate(struct clk_hw *hw, unsigned long rate, > + unsigned long parent_rate) > +{ > + struct clk_rcg *rcg = to_clk_rcg(hw); > + const struct freq_tbl *f; > + > + f = qcom_find_freq_floor(rcg->freq_tbl, rate); > + if (!f) > + return -EINVAL; > + > + return __clk_rcg_set_rate(rcg, f); > +} > + > static int clk_rcg_bypass_set_rate(struct clk_hw *hw, unsigned long rate, > unsigned long parent_rate) > { > @@ -816,6 +829,17 @@ const struct clk_ops clk_rcg_ops = { > }; > EXPORT_SYMBOL_GPL(clk_rcg_ops); > > +const struct clk_ops clk_rcg_floor_ops = { > + .enable = clk_enable_regmap, > + .disable = clk_disable_regmap, > + .get_parent = clk_rcg_get_parent, > + .set_parent = clk_rcg_set_parent, > + .recalc_rate = clk_rcg_recalc_rate, > + .determine_rate = clk_rcg_determine_rate, > + .set_rate = clk_rcg_set_floor_rate, > +}; > +EXPORT_SYMBOL_GPL(clk_rcg_floor_ops); > + > const struct clk_ops clk_rcg_bypass_ops = { > .enable = clk_enable_regmap, > .disable = clk_disable_regmap, > -- > 2.34.1 >