From patchwork Wed Nov 11 09:15:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Serge Semin X-Patchwork-Id: 11897137 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1F928139F for ; Wed, 11 Nov 2020 09:16:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 085D820756 for ; Wed, 11 Nov 2020 09:16:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726863AbgKKJQf (ORCPT ); Wed, 11 Nov 2020 04:16:35 -0500 Received: from mail.baikalelectronics.com ([87.245.175.226]:39690 "EHLO mail.baikalelectronics.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726619AbgKKJQM (ORCPT ); Wed, 11 Nov 2020 04:16:12 -0500 Received: from localhost (unknown [127.0.0.1]) by mail.baikalelectronics.ru (Postfix) with ESMTP id A6B1D803017C; Wed, 11 Nov 2020 09:16:10 +0000 (UTC) X-Virus-Scanned: amavisd-new at baikalelectronics.ru Received: from mail.baikalelectronics.ru ([127.0.0.1]) by localhost (mail.baikalelectronics.ru [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id GdhkLU1_JnUs; Wed, 11 Nov 2020 12:16:09 +0300 (MSK) From: Serge Semin To: Felipe Balbi , Krzysztof Kozlowski , Florian Fainelli , Rob Herring , Greg Kroah-Hartman , Andy Gross , Bjorn Andersson CC: Serge Semin , Serge Semin , , , Subject: [PATCH v2 17/18] usb: dwc3: qcom: Detect DWC3 DT-nodes with "usb"-prefixed names Date: Wed, 11 Nov 2020 12:15:51 +0300 Message-ID: <20201111091552.15593-18-Sergey.Semin@baikalelectronics.ru> In-Reply-To: <20201111091552.15593-1-Sergey.Semin@baikalelectronics.ru> References: <20201111091552.15593-1-Sergey.Semin@baikalelectronics.ru> MIME-Version: 1.0 X-ClientProxiedBy: MAIL.baikal.int (192.168.51.25) To mail (192.168.51.25) Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org In accordance with the USB HCD/DRD schema all the USB controllers are supposed to have DT-nodes named with prefix "^usb(@.*)?". Since the existing DT-nodes will be renamed in a subsequent patch let's first make sure the DWC3 Qualcomm driver supports them and second falls back to the deprecated naming so not to fail on the legacy DTS-files passed to the newer kernels. Signed-off-by: Serge Semin Reviewed-by: Bjorn Andersson --- drivers/usb/dwc3/dwc3-qcom.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c index e1e78e9824b1..661263e62f21 100644 --- a/drivers/usb/dwc3/dwc3-qcom.c +++ b/drivers/usb/dwc3/dwc3-qcom.c @@ -519,7 +519,8 @@ static int dwc3_qcom_of_register_core(struct platform_device *pdev) struct device *dev = &pdev->dev; int ret; - dwc3_np = of_get_child_by_name(np, "dwc3"); + dwc3_np = of_get_child_by_name(np, "usb") ?: + of_get_child_by_name(np, "dwc3"); if (!dwc3_np) { dev_err(dev, "failed to find dwc3 core child\n"); return -ENODEV;