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=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 1CF47C33C8C for ; Sat, 16 Nov 2019 15:47:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DC86920729 for ; Sat, 16 Nov 2019 15:47:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573919267; bh=9OXAevLG4BgzRbZksXQkB08q/O8Khxr4GuRBGW5lZdM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=OyAABGDXA/x5fqXzUJONpla7f3/um8b2/m/2ycJYIb0i5xe7tEG90ifaiMcXZtunO p59SMkOV/j5XT/vC3d84OBFp2OeXbvZ+mu1JdomOkSbIMLctW0XoJ13TDf/8m99x/9 XDhfF8g9PAAx4GIgSeRQOeafQMj6PYJfh7r9oisM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729795AbfKPPrq (ORCPT ); Sat, 16 Nov 2019 10:47:46 -0500 Received: from mail.kernel.org ([198.145.29.99]:53746 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728902AbfKPPrI (ORCPT ); Sat, 16 Nov 2019 10:47:08 -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 422E12084F; Sat, 16 Nov 2019 15:47:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573919227; bh=9OXAevLG4BgzRbZksXQkB08q/O8Khxr4GuRBGW5lZdM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LyT3NY6+3F1hZwqRMEPTh3fVnV+2VOYr0hNxZva2zE0l9iT5r1ogX+v3h8n/Sm7GX aiVX9uluQ8ctFuV1huFLFP2KlDfCHAZcMpPufocgRNauIW6vdlQjQSLnB3QzmVu3po qq3Dar/3fWROFFHgZSfPZcfR7c+pmDxxaTOFtlU4= 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 4.19 231/237] PCI: keystone: Use quirk to limit MRRS for K2G Date: Sat, 16 Nov 2019 10:41:06 -0500 Message-Id: <20191116154113.7417-231-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191116154113.7417-1-sashal@kernel.org> References: <20191116154113.7417-1-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/controller/dwc/pci-keystone.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c index 5e199e7d2d4fd..765357b87ff69 100644 --- a/drivers/pci/controller/dwc/pci-keystone.c +++ b/drivers/pci/controller/dwc/pci-keystone.c @@ -36,6 +36,7 @@ #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) @@ -50,6 +51,8 @@ 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