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 X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 915CBC433E5 for ; Wed, 15 Jul 2020 11:24:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6728A2075B for ; Wed, 15 Jul 2020 11:24:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b="RgIowakl" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729831AbgGOLYk (ORCPT ); Wed, 15 Jul 2020 07:24:40 -0400 Received: from esa3.microchip.iphmx.com ([68.232.153.233]:62426 "EHLO esa3.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728010AbgGOLYi (ORCPT ); Wed, 15 Jul 2020 07:24:38 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1594812278; x=1626348278; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=7R0pQ7si/LBGC7HCv98obeajPRN2G3AQ5wVM3UPEBzA=; b=RgIowaklaQlGrMWW5JfP2Ge/YeVSJB48TMJTFWd5cui2PuaZu8tlRP0m ntWpFP2sj+f+nL76BjmOLcL6QjZFMAzCt1iTdsTGrkauh1godUv01amEI /kTbsNVH4br8ZNutmzG9+74jDf68uUHyFgM+C+MafkZKpSAns5Xwo5h36 YXuOKu/3aQGYrjKNDdaLw1wLT2anVT8qw1x1ojEp4tab/rnKOf6h0Mb63 NkZ3mTrzZiEG5agTewM4gjsJJWa8+rziNwfkUGlEZt55pjjaEmN6xGOJa e9SuPjr9l0e4uCF1sNDdw5v1Hbq0tCwwj+m44f3Fy4yYHw0WQPK7aLcBb w==; IronPort-SDR: pYPktPbPEbpUybSKK3miu3zNbBIbkRbVnld4SME1+MyatmIMhD8/1FcfYZk10XsHKVs+gVhYHO w8+1Kh5pkU2AclRkKExHuaQbY81tsOgunZdQFAUHm2vSZ5VFn5K4/WEsB3awbsCDqML1BKLA/m WQoPrrpsAgMenIurMa0RZWP8LkxyNQrVwDMk9ReVZmp8+XlqOWVSxY8VSNZ9g17SQ2UfGlyCsm Gj2XPxgnscdJaAhOGFU6LjKChuUcCnLByUw8Z6FIy+u3im9iwBbFOAmZCqnl6sdkZFiCfNVqZ6 eRc= X-IronPort-AV: E=Sophos;i="5.75,355,1589266800"; d="scan'208";a="83962763" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa3.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 15 Jul 2020 04:24:37 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Wed, 15 Jul 2020 04:24:37 -0700 Received: from m18063-ThinkPad-T460p.microchip.com (10.10.115.15) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.1979.3 via Frontend Transport; Wed, 15 Jul 2020 04:24:02 -0700 From: Claudiu Beznea To: , , , , CC: , , , , "Claudiu Beznea" Subject: [PATCH 01/19] clk: at91: clk-generated: continue if __clk_determine_rate() returns error Date: Wed, 15 Jul 2020 14:24:09 +0300 Message-ID: <1594812267-6697-2-git-send-email-claudiu.beznea@microchip.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1594812267-6697-1-git-send-email-claudiu.beznea@microchip.com> References: <1594812267-6697-1-git-send-email-claudiu.beznea@microchip.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org __clk_determine_rate() may return error. Skip the current step in case of error. Fixes: 1a1a36d72e3d3 ("clk: at91: clk-generated: make gclk determine audio_pll rate") Signed-off-by: Claudiu Beznea --- drivers/clk/at91/clk-generated.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/clk/at91/clk-generated.c b/drivers/clk/at91/clk-generated.c index 44a46dcc0518..995a13133cfb 100644 --- a/drivers/clk/at91/clk-generated.c +++ b/drivers/clk/at91/clk-generated.c @@ -170,7 +170,8 @@ static int clk_generated_determine_rate(struct clk_hw *hw, for (div = 1; div < GENERATED_MAX_DIV + 2; div++) { req_parent.rate = req->rate * div; - __clk_determine_rate(parent, &req_parent); + if (__clk_determine_rate(parent, &req_parent)) + continue; clk_generated_best_diff(req, parent, req_parent.rate, div, &best_diff, &best_rate); -- 2.7.4