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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 6E23AC433FF for ; Mon, 29 Jul 2019 19:52:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 368EE2171F for ; Mon, 29 Jul 2019 19:52:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564429944; bh=EHOYCqdFJJuNXpQX4tmYZLiS2CDBP0SO1pXydWmDMgA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=u8lMnv6/8Cqw8AA/Q4K5ws88uE5qC4ym2C2U+Moj/CsLzEc+N4kBnyJgEFKQAsTNk J7H08oH41QFSyCoYdeut3RQCIM8+TDTvx09oCcjTgmhOjI9Eis+xb+G1LquwEx3PlY cP/+BKWMWuSsNzM87Sk11xDpi7Tl5WHSfNSQU09Y= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2403773AbfG2TwV (ORCPT ); Mon, 29 Jul 2019 15:52:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:44136 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2403753AbfG2TwU (ORCPT ); Mon, 29 Jul 2019 15:52:20 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D159B21655; Mon, 29 Jul 2019 19:52:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564429939; bh=EHOYCqdFJJuNXpQX4tmYZLiS2CDBP0SO1pXydWmDMgA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HbMxJHTsqNai3n1kJCxjN0MgW/les2qLI5yvwOsaaswjYwd9dmtTL1u5B4vSMQU6x PuOLxgv4fYcrkTKvI6sv9Kq59R/L53gaTI4a4M7064wd6yeVhlytjiOXtCgupYT3pv oKFqRkD2CTAnUpmpx+TB1++gqNF05g/VXVUJqaVo= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hou Zhiqiang , Lorenzo Pieralisi , Minghuan Lian , Subrahmanya Lingappa , Sasha Levin Subject: [PATCH 5.2 117/215] PCI: mobiveil: Initialize Primary/Secondary/Subordinate bus numbers Date: Mon, 29 Jul 2019 21:21:53 +0200 Message-Id: <20190729190759.367430013@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190729190739.971253303@linuxfoundation.org> References: <20190729190739.971253303@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org [ Upstream commit 6f3ab451aa5c2cbff33197d82fe8489cbd55ad91 ] The reset value of Primary, Secondary and Subordinate bus numbers is zero which is a broken setup. Program a sensible default value for Primary/Secondary/Subordinate bus numbers. Signed-off-by: Hou Zhiqiang Signed-off-by: Lorenzo Pieralisi Reviewed-by: Minghuan Lian Reviewed-by: Subrahmanya Lingappa Signed-off-by: Sasha Levin --- drivers/pci/controller/pcie-mobiveil.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/pci/controller/pcie-mobiveil.c b/drivers/pci/controller/pcie-mobiveil.c index 88e9b70081fc..e4a1964e1b43 100644 --- a/drivers/pci/controller/pcie-mobiveil.c +++ b/drivers/pci/controller/pcie-mobiveil.c @@ -501,6 +501,12 @@ static int mobiveil_host_init(struct mobiveil_pcie *pcie) return err; } + /* setup bus numbers */ + value = csr_readl(pcie, PCI_PRIMARY_BUS); + value &= 0xff000000; + value |= 0x00ff0100; + csr_writel(pcie, value, PCI_PRIMARY_BUS); + /* * program Bus Master Enable Bit in Command Register in PAB Config * Space -- 2.20.1