From patchwork Wed Jul 22 07:38:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu Beznea X-Patchwork-Id: 11677601 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 D387A1510 for ; Wed, 22 Jul 2020 07:40:50 +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 AC4A720714 for ; Wed, 22 Jul 2020 07:40:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="rrMVI9ka"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b="zlxlQ0/k" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AC4A720714 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=AT8W/pdP9NHJ8MwWjNrYKHFTBBCd937DF7xWqENgPbk=; b=rrMVI9kaCFvpXAHwFZWfwjuPP WdxLAQSzhq133Gntt9XMGZ0Ft9sHowTIDVQ+6S1xKg/BUdEQi524FTsRgE9u0vkvc67Py4gkBQhP3 N32qOVBIwQUHqh0L6yVohBRzYaslfD3yvbiuTzOqJoMIBZw0wEXsbVmpaokysPoj9jNdJtowAhSEw 1DIMUqHpEWpox3XR/9s3h3cWDWe2K0rNfyfEzT3ppEXx/euvCg3mnBHCu6uLCuXwK8ZCaILf1X7EI dSIempviaMgDq+e54d+2pnjekfdp/VOX6Q6jrAN33PPFpm9e9GYV3TSciq3nFsINhkHjoMK3MQ3aS tzD8YKdHw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jy9Ku-00086k-SF; Wed, 22 Jul 2020 07:38:44 +0000 Received: from esa2.microchip.iphmx.com ([68.232.149.84]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jy9Ko-00085Y-RG for linux-arm-kernel@lists.infradead.org; Wed, 22 Jul 2020 07:38:39 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1595403518; x=1626939518; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=R8glgrEZzhLNxmkr+9/gw/Qi8m2Oyd4biI9RRPUc9B4=; b=zlxlQ0/kYFPX42duaYiuqd3GM18uWoDx/y+Bh5sY1e4tl4uHZwfkxaS/ ZNkKiB58TmanQxeC7J/OmSU4g69YCJBEFDYPUqJt2u5H/lgkiCe3+COid iVqUh6mqPubzR/XxGDNs8ZLxtybYS3DDxcMszcLAd8CH2x3CCSK8LE2j4 G/pF3bq5T8qRFJB87Pni8i15LZf+wYNPjmDMq+5zcFrCd7qDkEPxrW4tZ 4VCKF046GpVj/kJsjSP5QL7kmYLUUdfpkbPELWlM2syYYmXU/PoIxLz/I njtzwFIBjEJu5ie7e0Afk4tRiyAfkXhPq6OSO8RCGIwdeYjiZkxbrPd4W w==; IronPort-SDR: fAYvumPAJB9qAcge08SZj38Jx+dvXfLr1pQvriTPz6LCc2rjE/3mw1vSHr/fLeVDNNFQ/AOdm1 nPIjq9Cb6a/FTT7LRz/eGigR3k34i4H4IFxWk5mAaF5Cle4tYhC+PknDU56Enb5QPSjHMjmWQw keBu//fFHqqzrLUSdNeOZ8LC661rSBk9RGqU33WW+hf5jfm50W5iVjEikmmGBCfctFOJvfU3Wb kxoWIlpYG/tsbtS/B0K8qAT6QH9VMgiy5UX/xcGdQTjwVW2BgQeI/ADJta5IuKX6USEWj7C+K+ CT0= X-IronPort-AV: E=Sophos;i="5.75,381,1589266800"; d="scan'208";a="82772024" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa2.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 22 Jul 2020 00:38:36 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.85.152) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Wed, 22 Jul 2020 00:38:36 -0700 Received: from m18063-ThinkPad-T460p.microchip.com (10.10.115.15) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server id 15.1.1979.3 via Frontend Transport; Wed, 22 Jul 2020 00:38:33 -0700 From: Claudiu Beznea To: , , , , Subject: [PATCH v2 01/18] clk: at91: clk-generated: continue if __clk_determine_rate() returns error Date: Wed, 22 Jul 2020 10:38:09 +0300 Message-ID: <1595403506-8209-2-git-send-email-claudiu.beznea@microchip.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1595403506-8209-1-git-send-email-claudiu.beznea@microchip.com> References: <1595403506-8209-1-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-20200722_033839_036898_E2C5A088 X-CRM114-Status: UNSURE ( 8.95 ) 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 [68.232.149.84 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [68.232.149.84 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 Message has at least one valid DKIM or DK signature -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_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);