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=-13.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 63AF0C433DB for ; Thu, 18 Feb 2021 10:22:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 16EDD64E92 for ; Thu, 18 Feb 2021 10:22:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232776AbhBRKS4 (ORCPT ); Thu, 18 Feb 2021 05:18:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60490 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231406AbhBRJBT (ORCPT ); Thu, 18 Feb 2021 04:01:19 -0500 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5BE90C0613D6 for ; Thu, 18 Feb 2021 01:00:12 -0800 (PST) Received: from gallifrey.ext.pengutronix.de ([2001:67c:670:201:5054:ff:fe8d:eefb] helo=[IPv6:::1]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lCfAH-0002cD-59; Thu, 18 Feb 2021 10:00:01 +0100 Message-ID: <9b244af36848525e061efa2d85f8d0219fd7652b.camel@pengutronix.de> Subject: Re: [PATCH] PCI: imx6: Limit DBI register length for imx6qp pcie From: Lucas Stach To: Richard Zhu , bhelgaas@google.com, stefan@agner.ch, lorenzo.pieralisi@arm.com Cc: linux-pci@vger.kernel.org, linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de Date: Thu, 18 Feb 2021 09:59:59 +0100 In-Reply-To: <1613624980-29382-1-git-send-email-hongxing.zhu@nxp.com> References: <1613624980-29382-1-git-send-email-hongxing.zhu@nxp.com> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.38.4 (3.38.4-1.fc33) MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 2001:67c:670:201:5054:ff:fe8d:eefb X-SA-Exim-Mail-From: l.stach@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Donnerstag, dem 18.02.2021 um 13:09 +0800 schrieb Richard Zhu: > Refer to commit 075af61c19cd ("PCI: imx6: Limit DBI register length"), > i.MX6QP PCIe has the similar issue. > Define the length of the DBI registers and limit config space to its > length for i.MX6QP PCIe too. > > Signed-off-by: Richard Zhu Reviewed-by: Lucas Stach > --- >  drivers/pci/controller/dwc/pci-imx6.c | 1 + >  1 file changed, 1 insertion(+) > > diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c > index 0cf1333c0440..853ea8e82952 100644 > --- a/drivers/pci/controller/dwc/pci-imx6.c > +++ b/drivers/pci/controller/dwc/pci-imx6.c > @@ -1175,6 +1175,7 @@ static const struct imx6_pcie_drvdata drvdata[] = { >   .variant = IMX6QP, >   .flags = IMX6_PCIE_FLAG_IMX6_PHY | >   IMX6_PCIE_FLAG_IMX6_SPEED_CHANGE, > + .dbi_length = 0x200, >   }, >   [IMX7D] = { >   .variant = IMX7D,