From patchwork Wed Jul 15 11:24:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu Beznea X-Patchwork-Id: 11665009 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3F494618 for ; Wed, 15 Jul 2020 11:26:35 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 188AE2063A for ; Wed, 15 Jul 2020 11:26:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="asqMa1l1"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b="RgIowakl" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 188AE2063A Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=microchip.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=3n2tEhaFzRpd+2DUn1v50E7tqlBgwex9bY7xgofneB8=; b=asqMa1l1Yoz6hwPJF5wO5Bfgz Di77XECpnPv9golAKAehkqleqPnyzOucRUfnJK7S5e/s5XrNAg02LrD9ueRlvNesGCM640ZbLA9k/ IYj1SK8KzJ/MV1lEpTmpCCJAwDUXvJlSw5IL+WC/sMPufmZz+5ui43Ngfa/OGyp+A8Q/6l4PjrGpw C2n2MYTwgfKSZ+ynLoafyr0uLVRuFaDaXmU3PDvI8fAt9LBHJ9tyycTW2lZPLcKfkIt+wDSMZI/Ir wyOcPUW44ZZ6zY+iyxgbV5FKen/13XVPy43ENiYWY6iziLJR9rHIdS87JhQQCKYMcKFcg/sQKEDDt MR9xE9BRw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jvfWj-0004Iu-Nb; Wed, 15 Jul 2020 11:24:41 +0000 Received: from esa3.microchip.iphmx.com ([68.232.153.233]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jvfWg-0004He-Ob for linux-arm-kernel@lists.infradead.org; Wed, 15 Jul 2020 11:24:39 +0000 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: , , , , 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200715_072438_946318_D71AF22B X-CRM114-Status: UNSURE ( 8.17 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.5 (--) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-2.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [68.232.153.233 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H4 RBL: Very Good reputation (+4) [68.232.153.233 listed in wl.mailspike.net] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Claudiu Beznea , linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, bbrezillon@kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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 Reviewed-by: Alexandre Belloni --- 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);