From patchwork Thu Mar 7 15:53:00 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabien DESSENNE X-Patchwork-Id: 10843279 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DBA2314DE for ; Thu, 7 Mar 2019 15:53:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C780A2F437 for ; Thu, 7 Mar 2019 15:53:16 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BB4332F478; Thu, 7 Mar 2019 15:53:16 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5FB512F477 for ; Thu, 7 Mar 2019 15:53:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726579AbfCGPxQ (ORCPT ); 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 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-remoteproc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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();