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=-9.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 E4554C433E1 for ; Thu, 20 Aug 2020 14:58:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B294F2075E for ; Thu, 20 Aug 2020 14:58:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="bSWNXg7B" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727868AbgHTO63 (ORCPT ); Thu, 20 Aug 2020 10:58:29 -0400 Received: from fllv0015.ext.ti.com ([198.47.19.141]:51218 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726799AbgHTO6A (ORCPT ); Thu, 20 Aug 2020 10:58:00 -0400 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 07KEvtA8067332; Thu, 20 Aug 2020 09:57:55 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1597935475; bh=fwkjcqXjAEvoMKw7hysN2k2pYEvPoK7LylOknVO56H8=; h=Subject:To:CC:References:From:Date:In-Reply-To; b=bSWNXg7BixCbnYUPuP2MzE8rW78OaND2YyN88iHDZlhTjXdFm2cvItfXDvRvw41tl ymwYkvHT/xVBg38dy9ftZULxF1s0HUiI/kof7WsuiUMqeJW8H2aQnQxp7vIf0BzL7u 3KmTDV8JPtdEOyz55TXL0M1tKRApLluZ8Ho8xUdU= Received: from DLEE113.ent.ti.com (dlee113.ent.ti.com [157.170.170.24]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 07KEvto1057736 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 20 Aug 2020 09:57:55 -0500 Received: from DLEE111.ent.ti.com (157.170.170.22) by DLEE113.ent.ti.com (157.170.170.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Thu, 20 Aug 2020 09:57:55 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DLEE111.ent.ti.com (157.170.170.22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Thu, 20 Aug 2020 09:57:55 -0500 Received: from [10.24.69.198] (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 07KEvrLK024724; Thu, 20 Aug 2020 09:57:53 -0500 Subject: Re: [PATCH v5] phy: omap-usb2-phy: disable PHY charger detect To: Roger Quadros , CC: , , , Vinod Koul References: <20200820133937.32504-1-rogerq@ti.com> From: Sekhar Nori Message-ID: Date: Thu, 20 Aug 2020 20:27:52 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <20200820133937.32504-1-rogerq@ti.com> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/20/20 7:09 PM, Roger Quadros wrote: > AM654x PG1.0 has a silicon bug that D+ is pulled high after POR, which > could cause enumeration failure with some USB hubs. Disabling the > USB2_PHY Charger Detect function will put D+ into the normal state. > > This addresses Silicon Errata: > i2075 - "USB2PHY: USB2PHY Charger Detect is Enabled by Default Without VBUS > Presence" > > Signed-off-by: Roger Quadros + Vinod as well