From patchwork Sun May 3 12:18:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu Beznea X-Patchwork-Id: 11524545 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 B7E8214B4 for ; Sun, 3 May 2020 12:18:40 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 9564D2075B for ; Sun, 3 May 2020 12:18:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="EvasnwZZ"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b="Xeuci3jq" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9564D2075B Authentication-Results: mail.kernel.org; dmarc=fail (p=none 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=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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:In-Reply-To:References: List-Owner; bh=FBvgGREDEUAkPMs6Hbi0Bmrn1W0TTWkZ7pGOFvwQeD4=; b=EvasnwZZTDel+i ea9mSx+eD7776BcNNmepjNFrkmbZ4bLN2WE6rYcZnKDeU6IYNB1Xd+QxYkb1X+6DExoXvuTcmYL6m vWQv0Onb8BVS6swSQfbTseDtBdkeGU8raL5BmN7ZZ4XYqT5lUUgixH++O2JQDN06bTmZMwQjseM3U TeZQpONI/I4Hxk/cwkBXwtzi3YJ9dctzVpqs3l0AqqSADTioJMwMjcgV7BQVeX4lEITAqEaopafL2 cK0Kia/veVF/OV/0wq3NRf58HwJNhQji6AF2qnN8PTm3yp9ULkVaeF/mCZK4B+JPFeSYiinoaDXZS Ass/RkeboXMsORnnKGqw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jVDZr-0004TH-Sv; Sun, 03 May 2020 12:18:35 +0000 Received: from esa3.microchip.iphmx.com ([68.232.153.233]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jVDZk-0004LA-6j for linux-arm-kernel@lists.infradead.org; Sun, 03 May 2020 12:18:29 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1588508307; x=1620044307; h=from:to:cc:subject:date:message-id:mime-version; bh=c8lDNy1DN1+fUi3A0w27OVt8zaff8+LO9O5hnm7DgNM=; b=Xeuci3jqeko+BCUK7wD1EhvYUwjheCDzyOh6ODZeRNGohP+i3yMoXXK6 +bMBK2vR78bifd/JPnt/9JyJRJ8gDYl1qeBc3yP7FFnyyD8P7ayfsipgH EXYkdWwjh/ec+1m0bUatoe+IxZpY11ptjR4zZ1PtG3nHtJhWzKW2/3nsO xXnW9hfp9BNBCfVi6mbkh2JRU7HhbgyDGszKlrLPu47+GHbPSvXdSYJvx 0q+Zl4yJt5BPceL2Rs6rCv95lPpLvtws5Y8G1or+s38D9dqgbHoufxEZn 4lo7Eo1HLcQ7az5vXGwWjlhYt3TnezSw/rj/+csEQ7EiDpVKtKSQoVXYN A==; IronPort-SDR: DkyR9cKBfknKhzowufnIcNtdsXbkIo7Iw8szQVfEcCM6y7J9LyfIU7HWyWMdbwHkAmQgyaN78N nVTl6/txRq/dfCJpC7RiDdY6hbkpgFh0KirZG6acY6/5YSrIuuChre6Us8MP+zN13HWoNM8vkL V41yH53FxZpMIPNFtn7DN+6eSOg7gtzlJc/FtPUqOolbVXVtyO5ELDzRSRsyLa5ddHag0iLJ0i XzM7IlL878CRd2y8+r5Nfi83n6Dh8HjjI57a4aCSLhV1i0EM3OLga3ZA0dzo2oiCZjjbo7QTif jnQ= X-IronPort-AV: E=Sophos;i="5.73,347,1583218800"; d="scan'208";a="75334447" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa3.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 03 May 2020 05:18:22 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Sun, 3 May 2020 05:18:23 -0700 Received: from m18063-ThinkPad-T460p.microchip.com (10.10.115.15) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.1713.5 via Frontend Transport; Sun, 3 May 2020 05:18:18 -0700 From: Claudiu Beznea To: , , , , Subject: [PATCH 1/2] clk: at91: pmc: do not continue if compatible not located Date: Sun, 3 May 2020 15:18:08 +0300 Message-ID: <1588508289-10140-1-git-send-email-claudiu.beznea@microchip.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200503_051828_273460_686D0456 X-CRM114-Status: UNSURE ( 7.98 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.5 (--) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.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 SPF_HELO_NONE SPF: HELO does not publish an 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_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 -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 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-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org pmc_register_ops() is called for all AT91 devices. Return -ENODEV in case of_find_matching_node() returns NULL. Signed-off-by: Claudiu Beznea --- drivers/clk/at91/pmc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c index b71515acdec1..bf0570e66fc1 100644 --- a/drivers/clk/at91/pmc.c +++ b/drivers/clk/at91/pmc.c @@ -274,6 +274,8 @@ static int __init pmc_register_ops(void) struct device_node *np; np = of_find_matching_node(NULL, sama5d2_pmc_dt_ids); + if (!np) + return -ENODEV; pmcreg = device_node_to_regmap(np); if (IS_ERR(pmcreg))