From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chunfeng Yun Subject: [PATCH 02/11] usb: mtu3: print useful information also for device and host modes Date: Wed, 6 Mar 2019 19:46:14 +0800 Message-ID: <1551872783-13707-3-git-send-email-chunfeng.yun@mediatek.com> References: <1551872783-13707-1-git-send-email-chunfeng.yun@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1551872783-13707-1-git-send-email-chunfeng.yun@mediatek.com> Sender: linux-kernel-owner@vger.kernel.org To: Greg Kroah-Hartman , Felipe Balbi , Matthias Brugger Cc: Chunfeng Yun , linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org List-Id: devicetree@vger.kernel.org Print useful information not only dual-role mode but also device mode and host mode. Signed-off-by: Chunfeng Yun --- drivers/usb/mtu3/mtu3_plat.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/usb/mtu3/mtu3_plat.c b/drivers/usb/mtu3/mtu3_plat.c index dee31d5eefe1..3a4a80f15957 100644 --- a/drivers/usb/mtu3/mtu3_plat.c +++ b/drivers/usb/mtu3/mtu3_plat.c @@ -286,7 +286,7 @@ static int get_ssusb_rscs(struct platform_device *pdev, struct ssusb_mtk *ssusb) ssusb->dr_mode = USB_DR_MODE_OTG; if (ssusb->dr_mode == USB_DR_MODE_PERIPHERAL) - return 0; + goto out; /* if host role is supported */ ret = ssusb_wakeup_of_property_parse(ssusb, node); @@ -307,7 +307,7 @@ static int get_ssusb_rscs(struct platform_device *pdev, struct ssusb_mtk *ssusb) otg_sx->vbus = vbus; if (ssusb->dr_mode == USB_DR_MODE_HOST) - return 0; + goto out; /* if dual-role mode is supported */ otg_sx->is_u3_drd = of_property_read_bool(node, "mediatek,usb3-drd"); @@ -322,6 +322,7 @@ static int get_ssusb_rscs(struct platform_device *pdev, struct ssusb_mtk *ssusb) } } +out: dev_info(dev, "dr_mode: %d, is_u3_dr: %d, u3p_dis_msk: %x, drd: %s\n", ssusb->dr_mode, otg_sx->is_u3_drd, ssusb->u3p_dis_msk, otg_sx->manual_drd_enabled ? "manual" : "auto"); -- 2.20.1