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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 1A1D0C352A3 for ; Mon, 10 Feb 2020 13:23:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DB40C20715 for ; Mon, 10 Feb 2020 13:23:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581340983; bh=ERMBUPI2b+Utm9Kh81/B4lVCmtApptrrQn2lLHq7HNw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=AyqvwZ0W4+q32OJApdZWGJiQYcYYwAfkXlxk7OEcrkzUkSk2GXZiRArH+3g+jt1vS rcR8U9mMlfcIZb6PH4cQvWVfKRII6IPjAOFFYxX9GKxbajfqsXiK3KBHWhNnCc4G5T uLRVOYba13HJxBhwir3v1FoLlkKwi4GXTF6Jw8Ek= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731156AbgBJNXB (ORCPT ); Mon, 10 Feb 2020 08:23:01 -0500 Received: from mail.kernel.org ([198.145.29.99]:58560 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728692AbgBJMhQ (ORCPT ); Mon, 10 Feb 2020 07:37:16 -0500 Received: from localhost (unknown [209.37.97.194]) (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 E0C0620838; Mon, 10 Feb 2020 12:37:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581338236; bh=ERMBUPI2b+Utm9Kh81/B4lVCmtApptrrQn2lLHq7HNw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MZZ8GqR0sKMGKaB27ZyivhJSTM8KhC7Co8qkmtmyRmvy5nqPk5MO9JkxpGeCDNfMJ 6zKsq7MRE0GSIRiGoDy3uN12/zt4fqDS3Cp66Y0lH8vhNA0FNSxdyiMUYJx/RaYu/W qZdRLE7rl6hD06ZMThgWuEpcJayPUqVF2/2s9Vgk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Yurii Monakov , Bjorn Helgaas , Lorenzo Pieralisi , Andrew Murray , Kishon Vijay Abraham I Subject: [PATCH 5.4 082/309] PCI: keystone: Fix outbound region mapping Date: Mon, 10 Feb 2020 04:30:38 -0800 Message-Id: <20200210122413.725235676@linuxfoundation.org> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200210122406.106356946@linuxfoundation.org> References: <20200210122406.106356946@linuxfoundation.org> User-Agent: quilt/0.66 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 From: Yurii Monakov commit 2d0c3fbe43fa0e6fcb7a6c755c5f4cd702c0d2f4 upstream. The Keystone outbound Address Translation Unit (ATU) maps PCI MMIO space in 8 MB windows. When programming the ATU windows, we previously incremented the starting address by 8, not 8 MB, so all the windows were mapped to the first 8 MB. Therefore, only 8 MB of MMIO space was accessible. Update the loop so it increments the starting address by 8 MB, not 8, so more MMIO space is accessible. Fixes: e75043ad9792 ("PCI: keystone: Cleanup outbound window configuration") Link: https://lore.kernel.org/r/20191004154811.GA31397@monakov-y.office.kontur-niirs.ru Signed-off-by: Yurii Monakov [bhelgaas: commit log] Signed-off-by: Bjorn Helgaas Signed-off-by: Lorenzo Pieralisi Acked-by: Andrew Murray Acked-by: Kishon Vijay Abraham I Cc: stable@vger.kernel.org # v4.20+ Signed-off-by: Greg Kroah-Hartman --- drivers/pci/controller/dwc/pci-keystone.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/pci/controller/dwc/pci-keystone.c +++ b/drivers/pci/controller/dwc/pci-keystone.c @@ -422,7 +422,7 @@ static void ks_pcie_setup_rc_app_regs(st lower_32_bits(start) | OB_ENABLEN); ks_pcie_app_writel(ks_pcie, OB_OFFSET_HI(i), upper_32_bits(start)); - start += OB_WIN_SIZE; + start += OB_WIN_SIZE * SZ_1M; } val = ks_pcie_app_readl(ks_pcie, CMD_STATUS);