From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753721AbeE3Rej (ORCPT ); Wed, 30 May 2018 13:34:39 -0400 Received: from mail-pl0-f66.google.com ([209.85.160.66]:36657 "EHLO mail-pl0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751817AbeE3Reh (ORCPT ); Wed, 30 May 2018 13:34:37 -0400 X-Google-Smtp-Source: ADUXVKKMF1clviDi3ZNl6/S+Xz0j0Q1cP0NPPoiBnreQ9QzarKUE+HgwyWfwK7heEkR0lZiJkQubZw== From: Andrey Smirnov To: Greg Kroah-Hartman Cc: Andrey Smirnov , Peter Chen , Nikita Yushchenko , Fabio Estevam , Lucas Stach , Chris Healy , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Subject: [PATCH] usb: chipidea: Fix ULPI on imx51 Date: Wed, 30 May 2018 10:34:14 -0700 Message-Id: <20180530173414.6121-1-andrew.smirnov@gmail.com> X-Mailer: git-send-email 2.17.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Workaround introduced for i.MX53 in be9cae2479f48 ("usb: chipidea: imx: Fix ULPI on imx53") seems to be applicable in case of i.MX51 as well. Running latest kernel on ZII RDU1 Board (imx51-zii-rdu1.dts) exhibits a kernel frozen on PORTSC access and applying the workaround resolves the issue. Cc: Peter Chen Cc: Greg Kroah-Hartman Cc: Nikita Yushchenko Cc: Fabio Estevam Cc: Lucas Stach Cc: Chris Healy Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Cc: linux-usb@vger.kernel.org Signed-off-by: Andrey Smirnov --- drivers/usb/chipidea/ci_hdrc_imx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c index e431c5aafe35..19f5f5f2a48a 100644 --- a/drivers/usb/chipidea/ci_hdrc_imx.c +++ b/drivers/usb/chipidea/ci_hdrc_imx.c @@ -291,7 +291,8 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) pdata.usb_phy = data->phy; - if (of_device_is_compatible(np, "fsl,imx53-usb") && pdata.usb_phy && + if ((of_device_is_compatible(np, "fsl,imx53-usb") || + of_device_is_compatible(np, "fsl,imx51-usb")) && pdata.usb_phy && of_usb_get_phy_mode(np) == USBPHY_INTERFACE_MODE_ULPI) { pdata.flags |= CI_HDRC_OVERRIDE_PHY_CONTROL; data->override_phy_control = true; -- 2.17.0