From patchwork Tue Apr 14 20:37:26 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Wahren X-Patchwork-Id: 6217701 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 16529BF4A6 for ; Tue, 14 Apr 2015 20:41:25 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1900820212 for ; Tue, 14 Apr 2015 20:41:24 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E29B4201CE for ; Tue, 14 Apr 2015 20:41:22 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Yi7b8-0001Bw-Of; Tue, 14 Apr 2015 20:38:18 +0000 Received: from mout.kundenserver.de ([212.227.17.10]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Yi7b3-00016s-Ei for linux-arm-kernel@lists.infradead.org; Tue, 14 Apr 2015 20:38:14 +0000 Received: from localhost.localdomain ([178.25.105.80]) by mrelayeu.kundenserver.de (mreue104) with ESMTPSA (Nemesis) id 0LZwFx-1Z52ob33JV-00llvd; Tue, 14 Apr 2015 22:37:48 +0200 From: Stefan Wahren To: Subject: [PATCH] ARM: dts: imx23-olinuxino: Fix dr_mode of usb0 Date: Tue, 14 Apr 2015 20:37:26 +0000 Message-Id: <1429043846-28731-1-git-send-email-stefan.wahren@i2se.com> X-Mailer: git-send-email 1.7.9.5 X-Provags-ID: V03:K0:djGdxO5loYfrZ06XaNyKduzZPmJ6ZjKJC+9/Z4A7Eyma1+Eki2w daC4PWJKO9/GAq//CavCz+wsmgU05gIFyU7QF11ArQMPn4NW1CUmnEq/rGHhVwSWccyVA95 uZ8ic3XhWhTvS55LI0H3XQo3dEOcq0qSjvBkh95QkggYyF4/aO61Fy2A5AyNrmiCuARfrL5 Poh1LagW/6KfuzlV4Zqug== X-UI-Out-Filterresults: notjunk:1; X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150414_133813_846014_8A116D28 X-CRM114-Status: UNSURE ( 8.09 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.0 (/) Cc: fabio.estevam@freescale.com, marex@denx.de, devicetree@vger.kernel.org, Stefan Wahren , peter.chen@freescale.com, kernel@pengutronix.de, harald@ccbib.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The dr_mode of usb0 on imx233-olinuxino is left to default "otg". Since the green LED (GPIO2_1) on imx233-olinuxino is connected to the same pin as USB_OTG_ID it's possible to disable USB host by LED toggling: echo 0 > /sys/class/leds/green/brightness [ 1068.890000] ci_hdrc ci_hdrc.0: remove, state 1 [ 1068.890000] usb usb1: USB disconnect, device number 1 [ 1068.920000] usb 1-1: USB disconnect, device number 2 [ 1068.920000] usb 1-1.1: USB disconnect, device number 3 [ 1069.070000] usb 1-1.2: USB disconnect, device number 4 [ 1069.450000] ci_hdrc ci_hdrc.0: USB bus 1 deregistered [ 1074.460000] ci_hdrc ci_hdrc.0: timeout waiting for 00000800 in 11 This patch fixes the issue by setting dr_mode to "host" in the dts file. Reported-by: Harald Geyer Signed-off-by: Stefan Wahren Reviewed-by: Fabio Estevam Reviewed-by: Marek Vasut Acked-by: Peter Chen --- arch/arm/boot/dts/imx23-olinuxino.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/imx23-olinuxino.dts b/arch/arm/boot/dts/imx23-olinuxino.dts index 7e6eef2..3b2d74d 100644 --- a/arch/arm/boot/dts/imx23-olinuxino.dts +++ b/arch/arm/boot/dts/imx23-olinuxino.dts @@ -93,6 +93,7 @@ ahb@80080000 { usb0: usb@80080000 { + dr_mode = "host"; vbus-supply = <®_usb0_vbus>; status = "okay"; };