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[2620:137:e000::3:7]) by mx.google.com with ESMTPS id k124-20020a636f82000000b00563deb65f93si7171817pgc.200.2023.10.23.20.22.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Oct 2023 20:22:31 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) client-ip=2620:137:e000::3:7; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=g8zLe5kW; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 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 out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by snail.vger.email (Postfix) with ESMTP id 5DF0280C65EC; Mon, 23 Oct 2023 20:22:30 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at snail.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232024AbjJXDWY (ORCPT + 99 others); Mon, 23 Oct 2023 23:22:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33754 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231982AbjJXDWX (ORCPT ); Mon, 23 Oct 2023 23:22:23 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 990FF10C9; Mon, 23 Oct 2023 20:22:21 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2CBCBC433C7; Tue, 24 Oct 2023 03:22:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1698117741; bh=wM4Q7H3OavnQ2yEHWK7SQy8Yee4IvRBdIbXvUqtz4jg=; h=In-Reply-To:References:Subject:From:Cc:To:Date:From; b=g8zLe5kWhlLOGKrl9Mm7y/s1MTAjKukW/u7ZF4M3P5olPgNkYX13oSPzwfQGVMV93 TWuKX+oUU9Erw2gYS7wDYb35GJWWOtTUmhX9GKUl3kMKOQjpVDZmgsvKPpL7UjpYoE dYdCkx2HJKAoC6yp5De2c49n+FopqLHl+89AMrTt9+Lgkl0Ws0TCJSQCF+lfEUL+G7 aBdYd0vPRQCxpZ+GNAPdE49/sO9LJ6dzVwAvHnsHj608jJ4lDv9hADsFSxpahriVYW 11KEXWxqMeV6QdtIen01cv/OzFpg3XqQUjNggpNOt0D3Ll9FT7UBX/UyFQm/+XHq0w xadigELmjGAWg== Message-ID: <9431003c15a024f7fb4ec28609b16975.sboyd@kernel.org> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable In-Reply-To: <20230420103805.125246-1-john@metanate.com> References: <20230420103805.125246-1-john@metanate.com> Subject: Re: [PATCH] clk: Allow phase adjustment from debugfs From: Stephen Boyd Cc: John Keeping , Michael Turquette , linux-kernel@vger.kernel.org To: John Keeping , linux-clk@vger.kernel.org Date: Mon, 23 Oct 2023 20:22:18 -0700 User-Agent: alot/0.10 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE, SPF_PASS autolearn=ham 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 X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Mon, 23 Oct 2023 20:22:30 -0700 (PDT) Quoting John Keeping (2023-04-20 03:38:04) > For testing it may be useful to manually adjust a clock's phase. Add > support for writing to the existing clk_phase debugfs file, with the > written value clamped to [0, 360) to match the behaviour of the > clk_set_phase() function. >=20 > This is a dangerous feature, so use the existing define > CLOCK_ALLOW_WRITE_DEBUGFS to allow it only if the source is modified. >=20 > Signed-off-by: John Keeping > --- Applied to clk-next