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 1AE53D116EA for ; Sat, 29 Nov 2025 14:28:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type: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=koBHqtXanRk3rY06SbVrlewyVt002q+6fyyBQHviXRo=; b=QrsSoOeB1OvBsgU4JyS/WsJN5V DXb4QmgPVufo+X6l451T/gG/RB6QJJwxl/lX+gVDoGfonj5Vh6w42myOwAdfcmLCbs+0qhcaOX9bI wjLvqb7Hu6xkwgyN8v80oJKpZzWAuSSU/cDduR6BxrdHN8yQPOu2KpUTgFknrL//saJKty/G2mjsq CDdc5A8EiqpydQgwSgAwWL4+AYJqdN2JzchGmpu8/R+4uUE8RTtUAMLPIfux+IKQB6UzkMMS11Ljj c2qIdDpnS389vSGEwZ9VS83fqWyN2ym0bljQ9JzTQUqBYYsE3Qe0BS9gAQWc9lV6ZtUAlsR0rhR5Q be0hz/Rw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vPLvW-00000001agp-0Mof; Sat, 29 Nov 2025 14:27:54 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vPLvV-00000001agg-1DFF for linux-arm-kernel@lists.infradead.org; Sat, 29 Nov 2025 14:27:53 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 6156D60120; Sat, 29 Nov 2025 14:27:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 863A4C4CEF7; Sat, 29 Nov 2025 14:27:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1764426470; bh=uS7GGlQpWIhTFQCtrFobDBHk9BaN05HGWWFfDn6mwl0=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=uvXC1hcF3No3MKFbAhvGQOaBQELoFTueTuLtR45c2yqAOaSDIG76e2kB9eL9Z216c z5DubgWYj/2MvOny74Qtwdw4Ch3CB8XL5cKQpXMpVGw3CfYC+JR07ou7d7VlQu1fkp htpGfhks6OpQYSap0q/p6bVoBioiIfpqCYb27/c7hV8gylwcIuA/1YqbzctoDx7Z6L qq3DLY5D5NyV/fYFvOlqq/8fvx1RyKyfA4R7VlpNR3oSskNIjKFBW1TX9lPQAJ2PBt 5yEZCQuKmJqt13KRzn7uPaT8cGFWLBgd8bke40hlzi+OoDG1eKtZDFgBk0mTRM9Tm7 VaXvHFeNjvTyg== Message-ID: <3baa27d7-f76e-4038-b481-57bd446ce866@kernel.org> Date: Sat, 29 Nov 2025 15:27:44 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 3/6] clk: conf: Support assigned-clock-sscs To: "Peng Fan (OSS)" , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sudeep Holla , Cristian Marussi , Sebin Francis , Brian Masney Cc: linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, arm-scmi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Peng Fan References: <20251128-clk-ssc-v6-2-v6-0-cfafdb5d6811@nxp.com> <20251128-clk-ssc-v6-2-v6-3-cfafdb5d6811@nxp.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 28/11/2025 04:14, Peng Fan (OSS) wrote: > From: Peng Fan > > Parse the Spread Spectrum Configuration(SSC) from device tree and configure > them before using the clock. > > Each SSC is three u32 elements which means ' modmethod>', so assigned-clock-sscs is an array of multiple three u32 > elements. > > Reviewed-by: Brian Masney > Signed-off-by: Peng Fan > --- > drivers/clk/clk-conf.c | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 69 insertions(+) > > diff --git a/drivers/clk/clk-conf.c b/drivers/clk/clk-conf.c > index 303a0bb26e54a95655ce094a35b989c97ebc6fd8..dd6083597db3f8f27d86abf5640dfc3fb39a9b88 100644 > --- a/drivers/clk/clk-conf.c > +++ b/drivers/clk/clk-conf.c > @@ -155,6 +155,71 @@ static int __set_clk_rates(struct device_node *node, bool clk_supplier) > return 0; > } > > +static int __set_clk_spread_spectrum(struct device_node *node, bool clk_supplier) > +{ > + struct clk_spread_spectrum *sscs __free(kfree) = NULL; This is an undesired syntax explicitly documented as one to avoid. You need here proper assignment, not NULL. Please don't use cleanup.h if you do not intend to follow it because it does not make the code simpler. Best regards, Krzysztof