From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B11F9C004C9 for ; Tue, 7 May 2019 06:22:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8214A2053B for ; Tue, 7 May 2019 06:22:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=synopsys.com header.i=@synopsys.com header.b="ZffoboO1" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726509AbfEGGWh (ORCPT ); Tue, 7 May 2019 02:22:37 -0400 Received: from smtprelay-out1.synopsys.com ([198.182.61.142]:51094 "EHLO smtprelay-out1.synopsys.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1725858AbfEGGWh (ORCPT ); Tue, 7 May 2019 02:22:37 -0400 Received: from mailhost.synopsys.com (dc2-mailhost2.synopsys.com [10.12.135.162]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by smtprelay-out1.synopsys.com (Postfix) with ESMTPS id 7B4ECC01FB; Tue, 7 May 2019 06:22:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1557210151; bh=rtlCcy+5EB/RInI7Lu8gsi7Il/2pYlW9pVRFC5xLwm4=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=ZffoboO1PJXaeS/kTlekLEZwwi02jdKfjxZoG/kA3mg/NQt3w6cblF4rTn8uwT52G vrqzr50Px6UlUxVmLO2NcHVW7cjC0UHeR7qbdL2ShZUzNclazsIDxvj1LVdHtT7lEy exMJDvGUD/EmxjoiwgHUVT51twG4u4Z9Fj+l7igLMRkovzn+cRUbMVa8ApqKs+ftee ZvLlkmdZPXduO6CAnctFXmRPu2EX6igsuxx3iTGzYvGTVIhsuLVA53fH6cXpXxHVBZ pW+8bRbCHMTM83fNjBCKZ0bDpD6GeC0vz8d5A7BMMo7BEtanYbyCrfJkK5D7xrqXR5 1Pe93Rn6RUk+Q== Received: from [10.116.70.206] (hminas-7480.internal.synopsys.com [10.116.70.206]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mailhost.synopsys.com (Postfix) with ESMTPSA id DCEBCA0095; Tue, 7 May 2019 06:22:34 +0000 (UTC) Subject: Re: [PATCH] usb: dwc2: Force 8bit UTMI width for Samsung Exynos SoCs To: Marek Szyprowski , "linux-usb@vger.kernel.org" , "linux-samsung-soc@vger.kernel.org" , "linux-kernel@vger.kernel.org" Cc: Felipe Balbi , Bartlomiej Zolnierkiewicz , Jules Maselbas , Krzysztof Kozlowski References: <20190503204958.GA12532@kozik-lap> <20190506130046.20898-1-m.szyprowski@samsung.com> From: Minas Harutyunyan Message-ID: <2f09e746-b3da-cac3-56f4-941fa2bca9d4@synopsys.com> Date: Tue, 7 May 2019 10:22:33 +0400 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <20190506130046.20898-1-m.szyprowski@samsung.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On 5/6/2019 5:01 PM, Marek Szyprowski wrote: > Samsung Exynos SoCs require to force UTMI width to 8bit, otherwise the > host side of the shared USB2 PHY doesn't work. > > Reported-by: Krzysztof Kozlowski > Fixes: 707d80f0a3c5 ("usb: dwc2: gadget: Replace phyif with phy_utmi_width") > Signed-off-by: Marek Szyprowski Acked-by: Minas Harutyunyan > --- > drivers/usb/dwc2/params.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c > index 6900eea57526..9ece4affb9d4 100644 > --- a/drivers/usb/dwc2/params.c > +++ b/drivers/usb/dwc2/params.c > @@ -76,6 +76,7 @@ static void dwc2_set_s3c6400_params(struct dwc2_hsotg *hsotg) > struct dwc2_core_params *p = &hsotg->params; > > p->power_down = 0; > + p->phy_utmi_width = 8; > } > > static void dwc2_set_rk_params(struct dwc2_hsotg *hsotg) >