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 7481CC43215 for ; Sat, 16 Nov 2019 16:06:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4342321847 for ; Sat, 16 Nov 2019 16:06:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573920388; bh=hZs1P9plDIJ8W2ENJ7RonhFFJIGU5K6ekGDrHHqkUQw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=c0d+jvO6vHmPEqP2bSaSxGF1bFOvKwm/TLCF9z93Cjqr9OSPX5H2bBk91bf1Q6qL/ Lu8TkULmFwf9XFaxWJyQ5gY69SPF2MW6ASwb//8Uw5ygpKTl42jnV09H1VKkmmYzvP 62YqeE60Q16sWZk7pZDOLsAblzka9FSEEugdhPeY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730631AbfKPPut (ORCPT ); Sat, 16 Nov 2019 10:50:49 -0500 Received: from mail.kernel.org ([198.145.29.99]:59126 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730624AbfKPPus (ORCPT ); Sat, 16 Nov 2019 10:50:48 -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 4705120891; Sat, 16 Nov 2019 15:50:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573919447; bh=hZs1P9plDIJ8W2ENJ7RonhFFJIGU5K6ekGDrHHqkUQw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SRayVvUSTCxczMo+kdZRUht1u6fh42BviXqFflJWEsxIZ2G8mLSp7L759bz7rO+D2 H7DxXLWTd3qK/ySUiSSh0YYXfS85JKDgsfzOCzSxbYUx7CTbt/dmTTAq83yjdV4gag PBsZfLMRXhwM0gxCmRTstS4Gck+SBIq0/r7qYdaY= 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 4.14 145/150] PCI: keystone: Use quirk to limit MRRS for K2G Date: Sat, 16 Nov 2019 10:47:23 -0500 Message-Id: <20191116154729.9573-145-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191116154729.9573-1-sashal@kernel.org> References: <20191116154729.9573-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@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