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=-3.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,URIBL_DBL_ABUSE_MALW, USER_AGENT_GIT 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 CE02FC433F4 for ; Mon, 24 Sep 2018 12:18:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 94139208D9 for ; Mon, 24 Sep 2018 12:18:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 94139208D9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732507AbeIXSTz (ORCPT ); Mon, 24 Sep 2018 14:19:55 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:56044 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732043AbeIXSTz (ORCPT ); Mon, 24 Sep 2018 14:19:55 -0400 Received: from localhost (ip-213-127-77-73.ip.prioritytelecom.net [213.127.77.73]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id 7D379108A; Mon, 24 Sep 2018 12:18:03 +0000 (UTC) From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Bhushan Shah , Brian Masney , Bjorn Andersson , Andy Gross , Sasha Levin Subject: [PATCH 4.14 062/173] ARM: dts: qcom: msm8974-hammerhead: increase load on l20 for sdhci Date: Mon, 24 Sep 2018 13:51:36 +0200 Message-Id: <20180924113120.589389454@linuxfoundation.org> X-Mailer: git-send-email 2.19.0 In-Reply-To: <20180924113114.334025954@linuxfoundation.org> References: <20180924113114.334025954@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Bhushan Shah [ Upstream commit 03864e57770a9541e7ff3990bacf2d9a2fffcd5d ] The kernel would not boot on the hammerhead hardware due to the following error: mmc0: Timeout waiting for hardware interrupt. mmc0: sdhci: ============ SDHCI REGISTER DUMP =========== mmc0: sdhci: Sys addr: 0x00000200 | Version: 0x00003802 mmc0: sdhci: Blk size: 0x00000200 | Blk cnt: 0x00000200 mmc0: sdhci: Argument: 0x00000000 | Trn mode: 0x00000023 mmc0: sdhci: Present: 0x03e80000 | Host ctl: 0x00000034 mmc0: sdhci: Power: 0x00000001 | Blk gap: 0x00000000 mmc0: sdhci: Wake-up: 0x00000000 | Clock: 0x00000007 mmc0: sdhci: Timeout: 0x0000000e | Int stat: 0x00000000 mmc0: sdhci: Int enab: 0x02ff900b | Sig enab: 0x02ff100b mmc0: sdhci: AC12 err: 0x00000000 | Slot int: 0x00000000 mmc0: sdhci: Caps: 0x642dc8b2 | Caps_1: 0x00008007 mmc0: sdhci: Cmd: 0x00000c1b | Max curr: 0x00000000 mmc0: sdhci: Resp[0]: 0x00000c00 | Resp[1]: 0x00000000 mmc0: sdhci: Resp[2]: 0x00000000 | Resp[3]: 0x00000000 mmc0: sdhci: Host ctl2: 0x00000008 mmc0: sdhci: ADMA Err: 0x00000000 | ADMA Ptr: 0x70040220 mmc0: sdhci: ============================================ mmc0: Card stuck in wrong state! mmcblk0 card_busy_detect status: 0xe00 mmc0: cache flush error -110 mmc0: Reset 0x1 never completed. This patch increases the load on l20 to 0.2 amps for the sdhci and allows the device to boot normally. Signed-off-by: Bhushan Shah Signed-off-by: Brian Masney Suggested-by: Bjorn Andersson Tested-by: Brian Masney Signed-off-by: Andy Gross Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts | 2 ++ 1 file changed, 2 insertions(+) --- a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts +++ b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts @@ -189,6 +189,8 @@ regulator-max-microvolt = <2950000>; regulator-boot-on; + regulator-system-load = <200000>; + regulator-allow-set-load; }; l21 {