From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752755AbdI0K7E (ORCPT ); Wed, 27 Sep 2017 06:59:04 -0400 Received: from mailgw01.mediatek.com ([218.249.47.110]:47324 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752691AbdI0K7B (ORCPT ); Wed, 27 Sep 2017 06:59:01 -0400 X-UUID: ffe799193605422384b37e912f327d90-20170927 From: Chunfeng Yun To: Greg Kroah-Hartman , Felipe Balbi , Rob Herring CC: Mathias Nyman , Matthias Brugger , Mark Rutland , Ian Campbell , Chunfeng Yun , , , , , Subject: [PATCH 09/12] usb: mtu3: set invalid dr_mode as dual-role mode Date: Wed, 27 Sep 2017 18:58:38 +0800 Message-ID: <59bcbb013fbb44a8fb594db02bfb5ee59206eb3b.1506509659.git.chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Treat dr_mode of USB_DR_MODE_UNKNOWN as USB_DR_MODE_OTG to enhance functional robustness. Signed-off-by: Chunfeng Yun --- drivers/usb/mtu3/mtu3_plat.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/usb/mtu3/mtu3_plat.c b/drivers/usb/mtu3/mtu3_plat.c index 7ca81f4e..9ff3357 100644 --- a/drivers/usb/mtu3/mtu3_plat.c +++ b/drivers/usb/mtu3/mtu3_plat.c @@ -283,10 +283,8 @@ static int get_ssusb_rscs(struct platform_device *pdev, struct ssusb_mtk *ssusb) return PTR_ERR(ssusb->ippc_base); ssusb->dr_mode = usb_get_dr_mode(dev); - if (ssusb->dr_mode == USB_DR_MODE_UNKNOWN) { - dev_err(dev, "dr_mode is error\n"); - return -EINVAL; - } + if (ssusb->dr_mode == USB_DR_MODE_UNKNOWN) + ssusb->dr_mode = USB_DR_MODE_OTG; if (ssusb->dr_mode == USB_DR_MODE_PERIPHERAL) return 0; -- 1.7.9.5