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=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 1ED7AC43470 for ; Mon, 10 May 2021 08:26:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F39FE61458 for ; Mon, 10 May 2021 08:26:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230098AbhEJI1f (ORCPT ); Mon, 10 May 2021 04:27:35 -0400 Received: from forward2-smtp.messagingengine.com ([66.111.4.226]:50133 "EHLO forward2-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230153AbhEJI1f (ORCPT ); Mon, 10 May 2021 04:27:35 -0400 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailforward.nyi.internal (Postfix) with ESMTP id 96E5E1940B81; Mon, 10 May 2021 04:26:30 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute4.internal (MEProxy); Mon, 10 May 2021 04:26:30 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:message-id:mime-version:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; bh=i0ip41 Bo4NleMhy7NmUQcSlFiZYzm9etxDlRv0jd9bk=; b=DJtlpme7fOYF8Gq63s3Q3X rPrdRKsviWsMZasYHI2MbG2pZ9l33K0YNdv0WFhXCn2DO8G+6fo1OOb6PPYH5XGz QQh06TYwcSp960TnMP/il0bVtLmhpHvSm+AelURRv/2U3ogBZDoKWngnviDVvRA1 wUptk8cJK15j+hv82G5zIIDdoTordrKAF8ezi0T/Lk2S5M6avaTAuo4J5G1gKB5/ 22bZ/Ad3X9k/KffCpI1iyOKwRhuLDGiOC4R2P9vHgKKU/UJgUk+SVv7MuHy9fo33 WxJtOCfFzuIh13V7adxjOe4bhG00NTJs5JZLN//Eoajvz2UJBL4hAU6eYdLfd32A == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrvdegkedgtdefucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefuvffhfffkgggtgfesthekredttd dtlfenucfhrhhomhepoehgrhgvghhkhheslhhinhhugihfohhunhgurghtihhonhdrohhr gheqnecuggftrfgrthhtvghrnhepleelledvgeefleeltdetgedugeffgffhudffudduke egfeelgeeigeekjefhleevnecuffhomhgrihhnpehkvghrnhgvlhdrohhrghenucfkphep keefrdekiedrjeegrdeigeenucevlhhushhtvghrufhiiigvpedvnecurfgrrhgrmhepmh grihhlfhhrohhmpehgrhgvgheskhhrohgrhhdrtghomh X-ME-Proxy: Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) by mail.messagingengine.com (Postfix) with ESMTPA; Mon, 10 May 2021 04:26:30 -0400 (EDT) Subject: FAILED: patch "[PATCH] usb: dwc2: Fix session request interrupt handler" failed to apply to 4.14-stable tree To: Arthur.Petrosyan@synopsys.com, Minas.Harutyunyan@synopsys.com, gregkh@linuxfoundation.org, stable@vger.kernel.org Cc: From: Date: Mon, 10 May 2021 10:26:20 +0200 Message-ID: <1620635180139140@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org The patch below does not apply to the 4.14-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 42b32b164acecd850edef010915a02418345a033 Mon Sep 17 00:00:00 2001 From: Artur Petrosyan Date: Thu, 8 Apr 2021 13:45:49 +0400 Subject: [PATCH] usb: dwc2: Fix session request interrupt handler According to programming guide in host mode, port power must be turned on in session request interrupt handlers. Fixes: 21795c826a45 ("usb: dwc2: exit hibernation on session request") Cc: Acked-by: Minas Harutyunyan Signed-off-by: Artur Petrosyan Link: https://lore.kernel.org/r/20210408094550.75484A0094@mailhost.synopsys.com Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/usb/dwc2/core_intr.c b/drivers/usb/dwc2/core_intr.c index 0a7f9330907f..8c0152b514be 100644 --- a/drivers/usb/dwc2/core_intr.c +++ b/drivers/usb/dwc2/core_intr.c @@ -307,6 +307,7 @@ static void dwc2_handle_conn_id_status_change_intr(struct dwc2_hsotg *hsotg) static void dwc2_handle_session_req_intr(struct dwc2_hsotg *hsotg) { int ret; + u32 hprt0; /* Clear interrupt */ dwc2_writel(hsotg, GINTSTS_SESSREQINT, GINTSTS); @@ -328,6 +329,13 @@ static void dwc2_handle_session_req_intr(struct dwc2_hsotg *hsotg) * established */ dwc2_hsotg_disconnect(hsotg); + } else { + /* Turn on the port power bit. */ + hprt0 = dwc2_read_hprt0(hsotg); + hprt0 |= HPRT0_PWR; + dwc2_writel(hsotg, hprt0, HPRT0); + /* Connect hcd after port power is set. */ + dwc2_hcd_connect(hsotg); } }