From patchwork Mon Jan 1 19:34:56 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bryan O'Donoghue X-Patchwork-Id: 10139319 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1E9E360362 for ; Mon, 1 Jan 2018 19:36:34 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0EB05285A4 for ; Mon, 1 Jan 2018 19:36:34 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 02D68285AF; Mon, 1 Jan 2018 19:36:33 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 87AEB285A4 for ; Mon, 1 Jan 2018 19:36:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753044AbeAATgX (ORCPT ); Mon, 1 Jan 2018 14:36:23 -0500 Received: from mail-wm0-f68.google.com ([74.125.82.68]:45516 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753138AbeAATfS (ORCPT ); Mon, 1 Jan 2018 14:35:18 -0500 Received: by mail-wm0-f68.google.com with SMTP id 9so58259165wme.4 for ; Mon, 01 Jan 2018 11:35:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nexus-software-ie.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=QvbVzzDzCpL3/hWMBRDr5/qRLVgrhls+vhNSUzVIiuA=; b=iTYIaWX8OJbp7KMF/nsAaQNzVVv2D/9JlHGprI0D0KyNb/JJey6eN7lepqYO6rwGLD NgwgO9CdaJg1VfGWcMzNNW9j6kM5zsAytvxY56Nnk3K7PAG96fOtNoJnKOW4RtVuhDJQ pWaE1Zn3lT6BOYsDRbqaiXpT7Ziol9Ty5M3I5pXkPiVBspNoeeUyWWcMyR1DI1B8IgPZ MNxK/V4ns2aqPUW5QGT1/zUX+ycfSrOg14YTruFPiYSJmCZz3AJRaN78OAQam7mihBqQ iyumlakcW51v4qnEf9HoXDg3xTAVo22NfUWgc4WlyPFkgCkKGzReEHuv7PHNU+6IO6h0 kmyA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=QvbVzzDzCpL3/hWMBRDr5/qRLVgrhls+vhNSUzVIiuA=; b=U1aebI+uK5MfiWjoYjz71N04uKynSawIqP2jhn2c7++EIeBLcL7Y/3MklRsINNSZyU eMUfOwUs4YqswfVIKJUHxts13zP47vBFT68mKMfCwyqw9zCt+DWRNmjVKNHm2OgOm7Qh 2c4Vqt+NIMgpOur3dwdpWb7AN8tYCl5PXjEzP3bwMIbhI5VwMO6foyIVMgK73qYsjv1K 3hSBT8VnH+KwVZqfzeiMyYl1c3TtfoZFK9dAGHtmPuZ9f9OeaHBgtUeIUlkE/XxBxMTA vi4o1jpl0ynUmQ2eXF186iWyExzC3CrIsMeQMW9QjcjjpCJwt0XTFJRfqeaeooDJROIp 7piw== X-Gm-Message-State: AKGB3mL7D8pk9QWonjvZE0tA8BayNIwAJiMXbJueZh/KmU+/DhQS/dLn HjYZNlergxkoHSLpiZTo4rn7vA== X-Google-Smtp-Source: ACJfBosKflI/cu2/oFiNgX/Qc87qPsXPpr7psMBkaWH4CSppYexe3iitfwq7Y7b7KJFNrGp7WbPMIA== X-Received: by 10.80.138.34 with SMTP id i31mr57394379edi.193.1514835317466; Mon, 01 Jan 2018 11:35:17 -0800 (PST) Received: from localhost.localdomain (D4CCACC7.cm-2.dynamic.ziggo.nl. [212.204.172.199]) by smtp.gmail.com with ESMTPSA id r8sm29086992edm.22.2018.01.01.11.35.16 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 01 Jan 2018 11:35:16 -0800 (PST) From: Bryan O'Donoghue To: mturquette@baylibre.com, sboyd@codeaurora.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org Cc: Bryan O'Donoghue , Eugeniy Paltsev Subject: [PATCH v2 30/34] clk: axs10x: change axs10x_pll_round_rate return logic Date: Mon, 1 Jan 2018 19:34:56 +0000 Message-Id: <1514835300-381-16-git-send-email-pure.logic@nexus-software.ie> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1514835300-381-1-git-send-email-pure.logic@nexus-software.ie> References: <1514835300-381-1-git-send-email-pure.logic@nexus-software.ie> Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch updates the round_rate() logic here to return zero instead of a negative number on error. In conjunction with higher-level changes associated with acting on the return value of clk_ops->round_rate() it is then possible to have clk_ops->round_rate() return values from 1 Hz to ULONG_MAX Hz instead of the current limitation of 1 Hz to LONG_MAX Hz. Signed-off-by: Bryan O'Donoghue Cc: Eugeniy Paltsev Cc: Michael Turquette Cc: Stephen Boyd Cc: linux-clk@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- drivers/clk/axs10x/pll_clock.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/axs10x/pll_clock.c b/drivers/clk/axs10x/pll_clock.c index 27498eb..e90ae9e 100644 --- a/drivers/clk/axs10x/pll_clock.c +++ b/drivers/clk/axs10x/pll_clock.c @@ -162,7 +162,7 @@ static unsigned long axs10x_pll_round_rate(struct clk_hw *hw, const struct axs10x_pll_cfg *pll_cfg = clk->pll_cfg; if (pll_cfg[0].rate == 0) - return -EINVAL; + return 0; best_rate = pll_cfg[0].rate;