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=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 D99ECC43215 for ; Wed, 27 Nov 2019 20:52:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A8B97218AF for ; Wed, 27 Nov 2019 20:52:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574887957; bh=hZs1P9plDIJ8W2ENJ7RonhFFJIGU5K6ekGDrHHqkUQw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=hxcn/fs2sQvYv0KfxqA3RSqPKgycrcdAg9a2KoTGVmCrbuVtjIXoCIcCVJdNqR/7G FNmr7nzSSt+/T5tUONvis4h+UEkCCkUlO2N54S9GlahDT/HgMn4mVKbn7P76F9h3I3 jBMmg1qQztKmtueYR+eEVKyPaqxk3Qbqs6I2Deyo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729960AbfK0Uwg (ORCPT ); Wed, 27 Nov 2019 15:52:36 -0500 Received: from mail.kernel.org ([198.145.29.99]:40176 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729471AbfK0Uwe (ORCPT ); Wed, 27 Nov 2019 15:52:34 -0500 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 B61AB21847; Wed, 27 Nov 2019 20:52:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574887952; bh=hZs1P9plDIJ8W2ENJ7RonhFFJIGU5K6ekGDrHHqkUQw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=U+V7X/td3v90QbR1GRkpSG5oZLMyusQORKuKRbSEq5lUxNuyOKD7YNrP+5vToQ7D4 j+Us0cJ8VjnTaEza/yaJbG4T3KwEf/QOox1PpCplbyr3mYEF7lM0gjsf+pmBUmdjbs 0ws7jkCfizatSlE8n43RRvVVU6AaUhH6xs7DuwgU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Kishon Vijay Abraham I , Lorenzo Pieralisi , Sasha Levin Subject: [PATCH 4.14 158/211] PCI: keystone: Use quirk to limit MRRS for K2G Date: Wed, 27 Nov 2019 21:31:31 +0100 Message-Id: <20191127203108.891006511@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191127203049.431810767@linuxfoundation.org> References: <20191127203049.431810767@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: Kishon Vijay Abraham I [ Upstream commit 148e340c0696369fadbbddc8f4bef801ed247d71 ] PCI controller in K2G also has a limitation that memory read request size (MRRS) must not exceed 256 bytes. Use the quirk to limit MRRS (added for K2HK, K2L and K2E) for K2G as well. Signed-off-by: Kishon Vijay Abraham I Signed-off-by: Lorenzo Pieralisi Signed-off-by: Sasha Levin --- drivers/pci/dwc/pci-keystone.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/pci/dwc/pci-keystone.c b/drivers/pci/dwc/pci-keystone.c index 9bc52e4cf52a0..3ea8288c16053 100644 --- a/drivers/pci/dwc/pci-keystone.c +++ b/drivers/pci/dwc/pci-keystone.c @@ -39,6 +39,7 @@ #define PCIE_RC_K2HK 0xb008 #define PCIE_RC_K2E 0xb009 #define PCIE_RC_K2L 0xb00a +#define PCIE_RC_K2G 0xb00b #define to_keystone_pcie(x) dev_get_drvdata((x)->dev) @@ -53,6 +54,8 @@ static void quirk_limit_mrrs(struct pci_dev *dev) .class = PCI_CLASS_BRIDGE_PCI << 8, .class_mask = ~0, }, { PCI_DEVICE(PCI_VENDOR_ID_TI, PCIE_RC_K2L), .class = PCI_CLASS_BRIDGE_PCI << 8, .class_mask = ~0, }, + { PCI_DEVICE(PCI_VENDOR_ID_TI, PCIE_RC_K2G), + .class = PCI_CLASS_BRIDGE_PCI << 8, .class_mask = ~0, }, { 0, }, }; -- 2.20.1