Received: by 2002:ac0:aed5:0:0:0:0:0 with SMTP id t21csp5105792imb; Thu, 7 Mar 2019 07:54:25 -0800 (PST) X-Google-Smtp-Source: APXvYqwFMXLCES4gTFspw3Fningj2db22nhCUbESN7RrX1iauWrKVh1FasUHGT33tdWaoeFPqGR+ X-Received: by 2002:a17:902:d203:: with SMTP id t3mr13658759ply.310.1551974065709; Thu, 07 Mar 2019 07:54:25 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1551974065; cv=none; d=google.com; s=arc-20160816; b=gyUM/GBNEJlCXPhGwGdox4YcXrLcsRDhxqNgjeCvL8DWhz4nWVoO8YMk9h4mNaPVEg wjeUeyEqiC2UfNUBNcpsZIP5Zly/eRTDxhhH8JAuTNPSIGRnPPu1Scm8jDjOCNr/DufK DAWO9PvyL5X3OMXQWGeQBmxHYMVlFEK5hKieYVlSfeu4vkE2ZwRmmHIEsvym/DlWijXE PWWWemNop7kpnQOoq4S50jYdmcjBCcmSUv2cA4yhi4LRBnE50eQd4ABU5/E/Zmxeeo/o VkFSomz1CHKs5hbIE0KEt06v3p/Ti4VlI1LLk5Vpi8kkQvleIGUWWs4qQ0qegPoSh5Ce j/Tg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:message-id:date:subject:cc :to:from; bh=cD8Qsf3uG9D0pniezFDCmI+6BXAliMcYLgPexPe+nPw=; b=SPgcN1tIlGvqqnSxj9zrEnn2di3xQ1JWOyL8iBwvmAiz/1z9P4zpbthyIq1jjGHnn6 mlTIz61Mu5kBGIHHLMLxYzcRRQAXoenoy/xKR/WwmqaeRRyN2QyY4ATZpl/0i2/sH48e 06R84kl5fL0ohbfkpxOfmT+YzYhgDXFDCC86z6F/CaXvi4OY79+FYLk9YwGC+mRFzP0B LSV6/++QcNP2FuhwsoTWxK+fJr/Cre+P+d9ZF705dHIG6YDP6DnBR9aKrjLIu38Pcqg9 01FEVWmWlaymkA6YDwRLHjPPEddpu/sXPK4N+6kwy5r6kqZ8g5Nb5A+gjb6AoF5Zezx3 QQmQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id f12si4062178pgf.184.2019.03.07.07.54.10; Thu, 07 Mar 2019 07:54:25 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726619AbfCGPxQ (ORCPT + 99 others); Thu, 7 Mar 2019 10:53:16 -0500 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:33688 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726170AbfCGPxQ (ORCPT ); Thu, 7 Mar 2019 10:53:16 -0500 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x27FkUkO001022; Thu, 7 Mar 2019 16:53:13 +0100 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2r2ng25m8m-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Thu, 07 Mar 2019 16:53:13 +0100 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 26B6B31; Thu, 7 Mar 2019 15:53:13 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas22.st.com [10.75.90.92]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id E991252F5; Thu, 7 Mar 2019 15:53:12 +0000 (GMT) Received: from SAFEX1HUBCAS23.st.com (10.75.90.47) by Safex1hubcas22.st.com (10.75.90.92) with Microsoft SMTP Server (TLS) id 14.3.361.1; Thu, 7 Mar 2019 16:53:12 +0100 Received: from localhost (10.129.4.33) by webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.361.1; Thu, 7 Mar 2019 16:53:12 +0100 From: Fabien Dessenne To: Ohad Ben-Cohen , Bjorn Andersson , , CC: Fabien Dessenne , Benjamin Gaignard Subject: [PATCH] hwspinlock: ignore disabled device Date: Thu, 7 Mar 2019 16:53:00 +0100 Message-ID: <1551973980-23547-1-git-send-email-fabien.dessenne@st.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.129.4.33] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-03-07_08:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Do not wait for hwspinlock device registration if it is not available for use. Signed-off-by: Fabien Dessenne --- drivers/hwspinlock/hwspinlock_core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/hwspinlock/hwspinlock_core.c b/drivers/hwspinlock/hwspinlock_core.c index 2bad40d..8d63bdc 100644 --- a/drivers/hwspinlock/hwspinlock_core.c +++ b/drivers/hwspinlock/hwspinlock_core.c @@ -333,6 +333,9 @@ int of_hwspin_lock_get_id(struct device_node *np, int index) if (ret) return ret; + if (!of_device_is_available(args.np)) + return -ENOENT; + /* Find the hwspinlock device: we need its base_id */ ret = -EPROBE_DEFER; rcu_read_lock(); -- 2.7.4