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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 4C06FC33C8C for ; Tue, 19 Nov 2019 05:24:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1375D2231E for ; Tue, 19 Nov 2019 05:24:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574141075; bh=3pZtjJxg82RJ4bLROtW2plxaPpzpKc7U4x+pscgL8z4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=G7fwqO1SbfuvkfmYRmCvepFUJVA+n2375qfYONWRaYn8qW4QXBPn6VEx9NnZw8e5e 89PSTFONcNZLf087+5BI/BLmWheOeHExx2eMIZ8ANIZnZF3JRmyziyI/Wx4GCbx/64 31fmnOJxVzKYz3HLLbdrYmHBNrP/mOIr+tMwBirU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727486AbfKSFYd (ORCPT ); Tue, 19 Nov 2019 00:24:33 -0500 Received: from mail.kernel.org ([198.145.29.99]:40656 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727452AbfKSFY3 (ORCPT ); Tue, 19 Nov 2019 00:24:29 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 83A5221783; Tue, 19 Nov 2019 05:24:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574141069; bh=3pZtjJxg82RJ4bLROtW2plxaPpzpKc7U4x+pscgL8z4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ljLjFQMWMVPxJQZnrHhbXy6/rdYzzr6AY10IY58sMRDbEJ+xYPkP1zMI8cnNn9Tzi MiKD9fTYmPh/MYHDYuQipZUowUDtxzorF3FNhfKObsuxfpcrYzCtBqLWaTWf6OfFna sexJYcIxT0U3u8Vq7rtmmgX5fcR9h0k0Hto2eaGQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ard Biesheuvel , Jens Wiklander , Sasha Levin Subject: [PATCH 4.19 034/422] tee: optee: take DT status property into account Date: Tue, 19 Nov 2019 06:13:51 +0100 Message-Id: <20191119051402.211777274@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191119051400.261610025@linuxfoundation.org> References: <20191119051400.261610025@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ard Biesheuvel [ Upstream commit db878f76b9ff7487da9bb0f686153f81829f1230 ] DT nodes may have a 'status' property which, if set to anything other than 'ok' or 'okay', indicates to the OS that the DT node should be treated as if it was not present. So add that missing logic to the OP-TEE driver. Signed-off-by: Ard Biesheuvel Signed-off-by: Jens Wiklander Signed-off-by: Sasha Levin --- drivers/tee/optee/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tee/optee/core.c b/drivers/tee/optee/core.c index e1aafe842d660..34dce850067b9 100644 --- a/drivers/tee/optee/core.c +++ b/drivers/tee/optee/core.c @@ -696,7 +696,7 @@ static int __init optee_driver_init(void) return -ENODEV; np = of_find_matching_node(fw_np, optee_match); - if (!np) + if (!np || !of_device_is_available(np)) return -ENODEV; optee = optee_probe(np); -- 2.20.1