From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-3586829-1519410988-2-1691626997994385100 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.001, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='CN', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='UTF-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1519410987; b=UeD0Eu73EIdEFqSBfo2wfggmM1SuqGTb2YhzLMOTp6y7UzU OZYKAy3iQ2AeygWTICg8kJD40kgnZebFIcL7hnZaxWOneTQxx5zfxCUFmye6/Jmc KEbSBcV4CjG46JE1RzZ2egIfRFWWNsFeHTnEgUKe6Ve9p9n0zuMezMHBWIdfR232 +RP0tBAr2w/ZhthM8cq6DJW8TTv1fluvNuZjsDCtlRt8UwKNNAyLTP6B/3bT4brG zbDG//IoAmuiWngCKEnoUgCZvdnoNM6HM7QC4JsX3JWNcN2Z7VPZ/0YN4cnQrW0Q LBJwXnTpfjec4WSlmdiUKSxN4VIgNuEcI0LL4BQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-type:sender :list-id; s=arctest; t=1519410987; bh=nm9RKoc6a/k2/bshqegDiZDuSW G0nMaxSC/YtbgchTQ=; b=W9xenLAylE4niWKCKUNAwbxb8bk3BcDVHZpgCAiGME FA8bbgRG9jSJQZyMLsYO5SCB8zdbtPF+YJfv1Pcxz1DtvqDiIVw1gg196oIZmaxF y1qgVo7vcTCtxNYqDclWeaR5lDSWlMcsFGrqYNUJn0m+zyAJ17leVBhxLPyLl1c7 3KvX+RLsDEQRzRD0qANYpr+WJs31weXKIMTzWClZAawiMhBXuiS6mhdp8wG7xWt6 dgbIho1rCEWqD3QY1TBy4mtcB7dfHJvHyEpEm8ZrkTWBHiRgrwiLlItGRTDQE+bF 2fwKGqZ6F4qNM09ql8ufIFj+yBw9Dk4wcTe/rjKpFajw== ARC-Authentication-Results: i=1; mx1.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes Authentication-Results: mx1.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754023AbeBWSgW (ORCPT ); Fri, 23 Feb 2018 13:36:22 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:37650 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754007AbeBWSgU (ORCPT ); Fri, 23 Feb 2018 13:36:20 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dave Gerlach , Nishanth Menon , Marc Zyngier , Sebastian Reichel , Roger Quadros , Tony Lindgren , Sasha Levin Subject: [PATCH 4.4 033/193] ARM: dts: Fix omap4 hang with GPS connected to USB by using wakeupgen Date: Fri, 23 Feb 2018 19:24:26 +0100 Message-Id: <20180223170331.289904566@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180223170325.997716448@linuxfoundation.org> References: <20180223170325.997716448@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Tony Lindgren [ Upstream commit cf87634c8b24e24bf379b8c6807c8b0fb5f23567 ] There's been a reproducable USB OHCI/EHCI cpuidle related hang on omap4 for a while that happens after about 20 - 40 minutes on an idle system with some data feeding device being connected, like a USB GPS device or a cellular modem. This issue happens in cpuidle states C2 and C3 and does not happen if cpuidle is limited to C1 state only. The symptoms are that the whole system hangs and never wakes up from idle, and if a watchdog is configured the system reboots after a while. Turns out that OHCI/EHCI devices on omap4 are trying to use the GIC interrupt controller directly as a parent instead of the WUGEN. We need to pass the interrupts through WUGEN to GIC to provide the wakeup events for the processor. Let's fix the issue by removing the gic interrupt-parent and use the default interrupt-parent wakeupgen instead. Note that omap5.dtsi had this already fixes earlier by commit 7136d457f365 ("ARM: omap: convert wakeupgen to stacked domains") but we somehow missed omap4 at that point. Fixes: 7136d457f365 ("ARM: omap: convert wakeupgen to stacked domains") Cc: Dave Gerlach Cc: Nishanth Menon Cc: Marc Zyngier Cc: Sebastian Reichel Reviewed-by: Roger Quadros Signed-off-by: Tony Lindgren Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- arch/arm/boot/dts/omap4.dtsi | 2 -- 1 file changed, 2 deletions(-) --- a/arch/arm/boot/dts/omap4.dtsi +++ b/arch/arm/boot/dts/omap4.dtsi @@ -844,14 +844,12 @@ usbhsohci: ohci@4a064800 { compatible = "ti,ohci-omap3"; reg = <0x4a064800 0x400>; - interrupt-parent = <&gic>; interrupts = ; }; usbhsehci: ehci@4a064c00 { compatible = "ti,ehci-omap"; reg = <0x4a064c00 0x400>; - interrupt-parent = <&gic>; interrupts = ; }; };