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 5BF0CC433FE for ; Fri, 8 Apr 2022 09:14:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233080AbiDHJQJ (ORCPT ); Fri, 8 Apr 2022 05:16:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51300 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232689AbiDHJOg (ORCPT ); Fri, 8 Apr 2022 05:14:36 -0400 Received: from out3-smtp.messagingengine.com (out3-smtp.messagingengine.com [66.111.4.27]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1F162133DA5 for ; Fri, 8 Apr 2022 02:11:10 -0700 (PDT) Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.nyi.internal (Postfix) with ESMTP id 821345C0161; Fri, 8 Apr 2022 05:11:09 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute4.internal (MEProxy); Fri, 08 Apr 2022 05:11:09 -0400 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=fm3; bh=zf4Ks37n7tfDurHxnmaJucc88hhDu/ gMEhLVvoVFCIY=; b=Gvd3juHAKzFpq95wAiOIr0ZVN2ubiNfeCTVqH6I0K1khdb DgxeRHRT0ojNwPYvAPURkHhyYTH9CkK2doMjxBgBdTlv3DH98hZPYJxmJcsTua6R d3dkGrHRIs7vIUeJBrqo6k7t1HoacbcghbuBWc3baTu/4jEVDz20viN/tTIhvVH8 Dzx/sJ29oCsTkUNToBz95ijItvsMpqJIFGk00xlsAJmxl9qciIzx6uXy0uiGct6R 69tWYcFGkrV1heHkIoK/zP2lbV4kHq9NuaRg8o+RzgL/lL5bGZjIWfoVs1yzvd5o W5ENpy/r+f+wOdXcWQdLU4/vZ9acvbAkZI15Ijzw== 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=fm3; bh=zf4Ks3 7n7tfDurHxnmaJucc88hhDu/gMEhLVvoVFCIY=; b=Q16TsEfaBcy5Tf5Uo3l7sk XaCHw5gwHFx6lshMwoDYOZPfA53OpiGo2HRLaLegL9GPL8+WWOugp1EaMDYFCloU nULadH82SpcKcYHsMDYd0+FnI4SefYfQBVwkJnpp8PfhLjlZAUWe8/7EP9ekFIpN cHwjP8+i3HbE8gMSqiPwoIMe4KOSqmbjKqiwNZiB/rAmw4BuC24cLhsBGknpkjCl 6NmflKdWJqJNv8k17SsUpj2TKhfRmG3vhby248tHSJYyY9kj8K5fxiui+eEzufHd GJq7Wsst7Lyld7PlkaH+w1PsGqF7TtEfj6vqEFKvh8sTlEdD5GNmo37YC9pa2QtQ == X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvvddrudektddgudduucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvufffkffojghfggfgsedtkeertdertddtnecuhfhrohhmpeforgigihhm vgcutfhiphgrrhguuceomhgrgihimhgvsegtvghrnhhordhtvggthheqnecuggftrfgrth htvghrnhepvdekleevfeffkeejhfffueelteelfeduieefheduudfggffhhfffheevveeh hedvnecuvehluhhsthgvrhfuihiivgepudenucfrrghrrghmpehmrghilhhfrhhomhepmh grgihimhgvsegtvghrnhhordhtvggthh X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Fri, 8 Apr 2022 05:11:09 -0400 (EDT) From: Maxime Ripard To: Mike Turquette , Stephen Boyd , linux-clk@vger.kernel.org Cc: Naresh Kamboju , Alexander Stein , Marek Szyprowski , Tony Lindgren , Jerome Brunet , Yassine Oudjana , Neil Armstrong , Maxime Ripard Subject: [PATCH 14/22] clk: Introduce clk_hw_init_rate_request() Date: Fri, 8 Apr 2022 11:10:29 +0200 Message-Id: <20220408091037.2041955-15-maxime@cerno.tech> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220408091037.2041955-1-maxime@cerno.tech> References: <20220408091037.2041955-1-maxime@cerno.tech> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Some drivers (at91, imx, qcom) use __clk_determine_rate directly, and thus will need to initialise a clk_rate_request structure. However, drivers don't have access to the function that the core uses to initialize that structure which could prove to be useful. Let's create a function for clock providers that will initialize a clk_rate_request for a given clk_hw pointer and a rate. Signed-off-by: Maxime Ripard --- drivers/clk/clk.c | 20 ++++++++++++++++++++ include/linux/clk-provider.h | 6 ++++++ 2 files changed, 26 insertions(+) diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 399080456e45..83dd5f1df0b9 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -1396,6 +1396,26 @@ static void clk_core_init_rate_req(struct clk_core * const core, } } +/** + * clk_hw_init_rate_request - Initializes a clk_rate_request + * @hw: the clk for which we want to submit a rate request + * @req: the clk_rate_request structure we want to initialise + * @rate: the rate which is to be requested + * + * Initializes and fills a clk_rate_request structure to submit to + * __clk_determine_rate or similar functions. + */ +void clk_hw_init_rate_request(struct clk_hw * const hw, + struct clk_rate_request *req, + unsigned long rate) +{ + if (WARN_ON(!hw || !req)) + return; + + clk_core_init_rate_req(hw->core, req, rate); +} +EXPORT_SYMBOL_GPL(clk_hw_init_rate_request); + static bool clk_core_can_round(struct clk_core * const core) { return core->ops->determine_rate || core->ops->round_rate; diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index c10dc4c659e2..39e4ed301ec5 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -42,6 +42,8 @@ struct dentry; * struct clk_rate_request - Structure encoding the clk constraints that * a clock user might require. * + * Should be initialized by calling clk_hw_init_rate_request(). + * * @rate: Requested clock rate. This field will be adjusted by * clock drivers according to hardware capabilities. * @min_rate: Minimum rate imposed by clk users. @@ -60,6 +62,10 @@ struct clk_rate_request { struct clk_hw *best_parent_hw; }; +void clk_hw_init_rate_request(struct clk_hw * const hw, + struct clk_rate_request *req, + unsigned long rate); + /** * struct clk_duty - Struture encoding the duty cycle ratio of a clock * -- 2.35.1