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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 F1374C432C3 for ; Sat, 16 Nov 2019 15:55:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B773C21845 for ; Sat, 16 Nov 2019 15:55:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573919750; bh=I0rchmJGs8cAxxh9kh0r3kMYrLFrSYXfgcupkO1Fj4E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=OY8fMGasUYrey2KSzLTBEkFFXQxbRdAWStXzf76DKrkIK19MIBm6i0kBuzKWbLE0p tZdzA/fhPNnie0UZfwAoAOC2eH1l7AitWM9YfUVl5W5PkkRYDaBeV3Gq0f9GDk3rDv UWJLmwaflWw5dIqRpnj2bQRbOt6SWKAO6EHUMSAg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731654AbfKPPzt (ORCPT ); Sat, 16 Nov 2019 10:55:49 -0500 Received: from mail.kernel.org ([198.145.29.99]:37782 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731638AbfKPPzg (ORCPT ); Sat, 16 Nov 2019 10:55:36 -0500 Received: from sasha-vm.mshome.net (unknown [50.234.116.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 80A8F21843; Sat, 16 Nov 2019 15:55:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573919735; bh=I0rchmJGs8cAxxh9kh0r3kMYrLFrSYXfgcupkO1Fj4E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kQ2RMRi2WwzqdjHhUK75snqGPSsxXZSJfjc/1FJY1sKUvxw+ydNxwOn9d+kwhXuc2 c2mpfaTF7TvNAVB2jHLLx+KOE7IgfOxIEPGZdj8t14OZnhXfp7Pcp3zZ4Bt6jDpqlH Rqa/knRR6TcP5M4EYNsSvsXFkOgkXNMvOX/C4WlM= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Kishon Vijay Abraham I , Lorenzo Pieralisi , Sasha Levin , linux-pci@vger.kernel.org Subject: [PATCH AUTOSEL 4.4 76/77] PCI: keystone: Use quirk to limit MRRS for K2G Date: Sat, 16 Nov 2019 10:53:38 -0500 Message-Id: <20191116155339.11909-76-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191116155339.11909-1-sashal@kernel.org> References: <20191116155339.11909-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore 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/host/pci-keystone.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/pci/host/pci-keystone.c b/drivers/pci/host/pci-keystone.c index fb682e8af74d5..bdb808ba90d2a 100644 --- a/drivers/pci/host/pci-keystone.c +++ b/drivers/pci/host/pci-keystone.c @@ -42,6 +42,7 @@ #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) container_of(x, struct keystone_pcie, pp) @@ -56,6 +57,8 @@ 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