From patchwork Wed Nov 9 16:07:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Ludvig_P=C3=A4rsson?= X-Patchwork-Id: 17643 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:6687:0:0:0:0:0 with SMTP id l7csp422253wru; Wed, 9 Nov 2022 08:10:03 -0800 (PST) X-Google-Smtp-Source: AMsMyM7VycbCO44f+niQdbGyZim5ezYElLJGJ+D4kwYxdz/9905TlKYMFDFmmRz5Gv9BRhDgshT4 X-Received: by 2002:a17:907:802:b0:781:8017:b2df with SMTP id wv2-20020a170907080200b007818017b2dfmr57851686ejb.606.1668010203091; Wed, 09 Nov 2022 08:10:03 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1668010203; cv=none; d=google.com; s=arc-20160816; b=vrlgVjAR5JfT1XMB2thgrOzwtgnjbpvOqsIOTVXXAsOZX7H/jz+fXGTrpwYbp75+bD foCj5arjVpiST3/JLMjtwR5x0BBCsxg9ZCQ/u7YTiMOTrVMsMmtBK0OjTMcF3kHxWQer J4B9oBOZHPSxfqSdDSri3Mjrl39AuxIBC8McNrQv8ai1YpxfUPnzmAJapHjegYatmPB2 mH308/HFMYm4K/GA/RT5ddEkEIGkTfWrn2Erb+DLxXDJQcG8+3pCYsNlFLCZyJyntkts a/0j4FYQk+fnRsvfGQh9nnDno7fCAzvDNnogsLqRK3yPQEhEZKUAwG/zFgoOoISJZjK3 FJFg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:dkim-signature; bh=YgabzxKTXgysBcMfO1IfjanutclXzioMtt7d8m0oLoE=; b=QCGmkZ0JYuxvB//aYSou3s1sJ4m/imDoFitMXAfN9/YE8NmOdf6d48wlmU2ZEIu66A pnn7L0InGUNv9/32YL84Ma+EVnbQr3AcNz2oMZ8RyulD6sG9/GueKZ0hMfxC6ei3zx9K ccPLDij4Peq1PzelRCeg3mzUba7jSd5Yejau+1116j2PEcTMfEN0HtvEmNjIX1Hbr21C N0pBntsnPoyzcPsyK10ONCXQ8R/1TFF4e/+efjfEUD9Gasa0VFHwIsquxP0kTbtifIEo s7rJe0L3tLCwMxVsmWSwh7CvLZxLxoaOLSNY80EhIGF/Raep7dOCmntb69D/DR9kfYZ+ Wpsw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass (test mode) header.i=@axis.com header.s=axis-central1 header.b=Nqxhv9yh; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=axis.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id b8-20020aa7c908000000b004593c35a8bcsi13980522edt.214.2022.11.09.08.09.38; Wed, 09 Nov 2022 08:10:03 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass (test mode) header.i=@axis.com header.s=axis-central1 header.b=Nqxhv9yh; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=axis.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230356AbiKIQH3 (ORCPT + 99 others); Wed, 9 Nov 2022 11:07:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52838 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229518AbiKIQH2 (ORCPT ); Wed, 9 Nov 2022 11:07:28 -0500 Received: from smtp1.axis.com (smtp1.axis.com [195.60.68.17]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2DB6120F53 for ; Wed, 9 Nov 2022 08:07:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=axis.com; q=dns/txt; s=axis-central1; t=1668010046; x=1699546046; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=YgabzxKTXgysBcMfO1IfjanutclXzioMtt7d8m0oLoE=; b=Nqxhv9yhr1XAjrbDa00ZEOjdWBPN8fNZS/NnhGET3Qc4do3kQYAv/OOx 9ze8XChcC6Lcx9mZmNcRlM7hfmr5pPo1jAFHzQVSyRNb1eXJUBh2Qgfc4 2l1H4rifEtd9XwcQEpAUEida8KxedmV416sTfKkanLKORBxEUTgrmbs6R Ej5ovwFTCoCfck/dgaLHTr4aFRBpqxcyimh7wzrC5LRYKvq1qJdgO9H3R Vo+kDULP+XbgwZqsSN4deM7kHE1I/YbkBj6dYMCjlbbXd0huHpXVVHbc7 OeSgIVEVFjQJ6PNYET8MWj56H7CVsP69+F3khraBGhzqwVgPeC4T+2YFq g==; From: =?utf-8?q?Ludvig_P=C3=A4rsson?= To: Jens Wiklander CC: , =?utf-8?q?Ludvig_P=C3=A4rsson?= , Sumit Garg , , Subject: [PATCH] tee: optee: Populate child nodes in probe function Date: Wed, 9 Nov 2022 17:07:08 +0100 Message-ID: <20221109160708.507481-1-ludvig.parsson@axis.com> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_PASS, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1749035466339428373?= X-GMAIL-MSGID: =?utf-8?q?1749035466339428373?= Currently there is no dependency between the "linaro,scmi-optee" driver and the tee_core. If the scmi-optee driver gets probed before the tee_bus_type is initialized, then we will get an unwanted error print. This patch enables putting scmi-optee nodes as children to the optee node in devicetree, which indirectly creates the missing dependency. Signed-off-by: Ludvig Pärsson --- drivers/tee/optee/smc_abi.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/tee/optee/smc_abi.c b/drivers/tee/optee/smc_abi.c index a1c1fa1a9c28..be6f02fd5a7f 100644 --- a/drivers/tee/optee/smc_abi.c +++ b/drivers/tee/optee/smc_abi.c @@ -1533,6 +1533,11 @@ static int optee_probe(struct platform_device *pdev) if (rc) goto err_disable_shm_cache; + /* Populate any dependent child node (if any) */ + rc = devm_of_platform_populate(&pdev->dev); + if (rc) + goto err_disable_shm_cache; + pr_info("initialized driver\n"); return 0;