From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Fabien Dessenne 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> MIME-Version: 1.0 Content-Type: text/plain To: Ohad Ben-Cohen , Bjorn Andersson , linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Fabien Dessenne , Benjamin Gaignard List-ID: 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EF645C43381 for ; Thu, 7 Mar 2019 15:53:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B020420652 for ; Thu, 7 Mar 2019 15:53:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726652AbfCGPxQ (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 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