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 C75A5C433FE for ; Tue, 25 Jan 2022 14:20:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1578533AbiAYOUJ (ORCPT ); Tue, 25 Jan 2022 09:20:09 -0500 Received: from out1-smtp.messagingengine.com ([66.111.4.25]:55975 "EHLO out1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1578308AbiAYOSC (ORCPT ); Tue, 25 Jan 2022 09:18:02 -0500 Received: from compute2.internal (compute2.nyi.internal [10.202.2.46]) by mailout.nyi.internal (Postfix) with ESMTP id ED19A5C00F0; Tue, 25 Jan 2022 09:16:03 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute2.internal (MEProxy); Tue, 25 Jan 2022 09:16:03 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cerno.tech; h=cc :cc:content-transfer-encoding:date:date:from:from:in-reply-to :in-reply-to:message-id:mime-version:references:reply-to:sender :subject:subject:to:to; s=fm1; bh=9jJdL+0Pu8nsb+wnPfEn4hIk1OxELj cduV6lXrgkE4A=; b=k4pmB5ZC2di8mNDo8feM82bbwYs+3DJ6p83Csd53SbRGfS qG3MZNh/KnWrkVzpVsAVsC5dN2ZKfVjiw3HLLjCJsCKZFPMunHqlsLvwAvDICuOM huZVTE8Fw8qnfWu8+A/nAviNq+iWtTYGViw7U+fuC8VM8AmlYrUwJA0Cx53OG75o rdbPAzpjKLj5JtW0jgn5MwQ8lohQ1WgDmA8rX8e/Kgm7w/N7A7TWKhBrDe17zsRU qd+YAj0l0bKF/azNfe1mHjixa1exPX3KSUWa/KQxsnsN4hBKk0FLB7UgbRj9IGtG sG9CASJ8/ll97Mj7vt4JvQQMGVAMW+C03JBLI5wQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding:date:date :from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:sender:subject:subject:to:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm1; bh=9jJdL+ 0Pu8nsb+wnPfEn4hIk1OxELjcduV6lXrgkE4A=; b=ibTexJ3LojxmAutazSej+C +W1udJ22GFttZmhRSm2nGpcd5SbR+6gSNv3DwZlUpZIrk0CRK2QLkTMiIF1Vn4M4 FYxkk8+VNzay2SQERxNfHi8i1Eu/IAqadMGkoCcd/QoyWFQfIOjHUA52fb0qL5Lp xaHpOGWvGw0ddiqJBskazePQK2f+WotisDd4L/0UyGXEQcFdE/3uvpnH0+taDRSc kaHO5MdBzgTzKCj1CdjhmML2JGkS3+lr4jUV18wOPKarGkFwdMtW7LVg7ESTTDSJ +NFSX/EEXlbWcWXcnUeVd8JFgQZn55GjVwuDpkhEP3K/Jym3Xu8gicP50eqea0nQ == X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvvddrvdelgdeitdcutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpefhvffufffkofgjfhgggfestdekredtredttdenucfhrhhomhepofgrgihimhgv ucftihhprghrugcuoehmrgigihhmvgestggvrhhnohdrthgvtghhqeenucggtffrrghtth gvrhhnpedvkeelveefffekjefhffeuleetleefudeifeehuddugffghffhffehveevheeh vdenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpehmrg igihhmvgestggvrhhnohdrthgvtghh X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Tue, 25 Jan 2022 09:16:03 -0500 (EST) From: Maxime Ripard To: Mike Turquette , Stephen Boyd Cc: linux-clk@vger.kernel.org, dri-devel@lists.freedesktop.org, Dave Stevenson , Phil Elwell , Tim Gover , Dom Cobley , Maxime Ripard Subject: [PATCH v4 05/10] clk: Add clk_drop_range Date: Tue, 25 Jan 2022 15:15:44 +0100 Message-Id: <20220125141549.747889-6-maxime@cerno.tech> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220125141549.747889-1-maxime@cerno.tech> References: <20220125141549.747889-1-maxime@cerno.tech> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org In order to reset the range on a clock, we need to call clk_set_rate_range with a minimum of 0 and a maximum of ULONG_MAX. Since it's fairly inconvenient, let's introduce a clk_drop_range() function that will do just this. Suggested-by: Stephen Boyd Signed-off-by: Maxime Ripard --- drivers/clk/clk-test.c | 4 ++-- include/linux/clk.h | 11 +++++++++++ 2 files changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/clk/clk-test.c b/drivers/clk/clk-test.c index cb749515837b..d1ce8879eb97 100644 --- a/drivers/clk/clk-test.c +++ b/drivers/clk/clk-test.c @@ -471,7 +471,7 @@ static void clk_range_test_multiple_set_range_rate_maximized(struct kunit *test) KUNIT_EXPECT_EQ(test, rate, DUMMY_CLOCK_RATE_1); KUNIT_ASSERT_EQ(test, - clk_set_rate_range(user2, 0, ULONG_MAX), + clk_drop_range(user2), 0); rate = clk_get_rate(clk); @@ -588,7 +588,7 @@ static void clk_range_test_multiple_set_range_rate_minimized(struct kunit *test) KUNIT_EXPECT_EQ(test, rate, DUMMY_CLOCK_RATE_2); KUNIT_ASSERT_EQ(test, - clk_set_rate_range(user2, 0, ULONG_MAX), + clk_drop_range(user2), 0); rate = clk_get_rate(clk); diff --git a/include/linux/clk.h b/include/linux/clk.h index 266e8de3cb51..f365dac7be17 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -1005,6 +1005,17 @@ static inline struct clk *clk_get_optional(struct device *dev, const char *id) return clk; } +/** + * clk_drop_range - Reset any range set on that clock + * @clk: clock source + * + * Returns success (0) or negative errno. + */ +static inline int clk_drop_range(struct clk *clk) +{ + return clk_set_rate_range(clk, 0, ULONG_MAX); +} + #if defined(CONFIG_OF) && defined(CONFIG_COMMON_CLK) struct clk *of_clk_get(struct device_node *np, int index); struct clk *of_clk_get_by_name(struct device_node *np, const char *name); -- 2.34.1