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[23.128.96.19]) by mx.google.com with ESMTPS id n8-20020a170902f60800b0015cfe719870si1185727plg.222.2022.05.17.20.39.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 May 2022 20:39:24 -0700 (PDT) Received-SPF: softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) client-ip=23.128.96.19; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=jsl0zGaq; spf=softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 807E16A42C; Tue, 17 May 2022 20:27:49 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233018AbiEQHOp (ORCPT + 99 others); Tue, 17 May 2022 03:14:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46800 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231211AbiEQHOo (ORCPT ); Tue, 17 May 2022 03:14:44 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6560647AE3; Tue, 17 May 2022 00:14:43 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 28387B816BB; Tue, 17 May 2022 07:14:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DAC76C385B8; Tue, 17 May 2022 07:14:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1652771680; bh=KHDlTZzn0+DsUMIZOmXkXySbntEfsxVaMQGokybuLVA=; h=In-Reply-To:References:Subject:From:Cc:To:Date:From; b=jsl0zGaqmFmNIruk70W1rsKoK+cK4R+HKlwCdhj9lyx3TBLSjIjgTcK/XA1mj2fWg XrVbPhm8jVdoPgb9nHE/2Faz/zScwZc9AECuJkiA+NKyL2XGKxw+QkrYd2Uxmj/Twg le36wfpRTVX7QJkBfItoGb8nOU4uVfDVY1YoPvXwkbG7IDDOSHlL/4MKe+i7/jrGRW 9O/FyInAO5LC8ddeOVRTWMTGRSXwQyHKT6vGbLzcUtCB3hW8rxAZjYih7talVfxBBG XWJvIbATtwxHeIyLoWp6Ivi46svALr4FnWkfnIrrt3gfqozCRWDMn8MkRERHqmCurZ 0y199aqM3QSSQ== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable In-Reply-To: References: <20220413071318.244912-1-codrin.ciubotariu@microchip.com> <20220422011216.A4A23C385A5@smtp.kernel.org> Subject: Re: [PATCH] clk: at91: generated: consider range when calculating best rate From: Stephen Boyd Cc: mturquette@baylibre.com, Nicolas.Ferre@microchip.com, alexandre.belloni@bootlin.com, Claudiu.Beznea@microchip.com To: Codrin.Ciubotariu@microchip.com, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org Date: Tue, 17 May 2022 00:14:38 -0700 User-Agent: alot/0.10 Message-Id: <20220517071440.DAC76C385B8@smtp.kernel.org> X-Spam-Status: No, score=-2.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Quoting Codrin.Ciubotariu@microchip.com (2022-04-26 00:24:15) > On 22.04.2022 04:12, Stephen Boyd wrote: > > Quoting Codrin Ciubotariu (2022-04-13 00:13:18) > >> clk_generated_best_diff() helps in finding the parent and the divisor = to > >> compute a rate closest to the required one. However, it doesn't take i= nto > >> account the request's range for the new rate. Make sure the new rate > >> is within the required range. > >> > >> Fixes: 8a8f4bf0c480 ("clk: at91: clk-generated: create function to fin= d best_diff") > >> Signed-off-by: Codrin Ciubotariu > >> --- > >=20 > > Is this fixing anything real or it's just a thing that you noticed and > > sent a patch to fix? >=20 > It fixes the clk_set_min/max_rate() calls to a generated clock. Do you=20 > want me to add this fact in the commit description? >=20 I wanted to know if there are clk_set_min/max_rate() calls on this clk. Are there?