From patchwork Thu Oct 8 07:24:26 2015
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
X-Patchwork-Submitter: Pavel Fedin
X-Patchwork-Id: 527621
Return-Path:
X-Original-To: incoming@patchwork.ozlabs.org
Delivered-To: patchwork-incoming@bilbo.ozlabs.org
Received: from vger.kernel.org (vger.kernel.org [209.132.180.67])
by ozlabs.org (Postfix) with ESMTP id E2824140D87
for ;
Thu, 8 Oct 2015 18:24:40 +1100 (AEDT)
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
id S1753742AbbJHHYj (ORCPT );
Thu, 8 Oct 2015 03:24:39 -0400
Received: from mailout4.w1.samsung.com ([210.118.77.14]:39229 "EHLO
mailout4.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
with ESMTP id S1753730AbbJHHYf (ORCPT
); Thu, 8 Oct 2015 03:24:35 -0400
Received: from eucpsbgm2.samsung.com (unknown [203.254.199.245])
by mailout4.w1.samsung.com
(Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5
2014))
with ESMTP id <0NVW003TH4KWT590@mailout4.w1.samsung.com>; Thu,
08 Oct 2015 08:24:32 +0100 (BST)
X-AuditID: cbfec7f5-f794b6d000001495-6e-56161a3020d1
Received: from eusync4.samsung.com ( [203.254.199.214])
by eucpsbgm2.samsung.com (EUCPMTA) with SMTP id 5E.FA.05269.03A16165;
Thu, 8 Oct 2015 08:24:32 +0100 (BST)
Received: from fedinw7x64.rnd.samsung.ru ([106.109.131.169])
by eusync4.samsung.com
(Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5
2014)) with ESMTPA id <0NVW00AG84KQJI10@eusync4.samsung.com>; Thu,
08 Oct 2015 08:24:32 +0100 (BST)
From: Pavel Fedin
To: linux-pci@vger.kernel.org, devicetree@vger.kernel.org
Cc: Rob Herring , Frank Rowand ,
Grant Likely
Subject: [PATCH v2 2/2] PCI: of: Ignore resources with failed translation
Date: Thu, 08 Oct 2015 10:24:26 +0300
Message-id:
<3604931244806840dd12ff9663671b52d2acd951.1444288748.git.p.fedin@samsung.com>
X-Mailer: git-send-email 2.4.4
In-reply-to:
References:
In-reply-to:
References:
X-Brightmail-Tracker:
H4sIAAAAAAAAA+NgFprGLMWRmVeSWpSXmKPExsVy+t/xa7oGUmJhBnumalvMP3KO1WLmm/9s
Fgf+7GC0ODvvOJtF694j7A6sHjtn3WX32LSqk83jzrU9bB6fN8kFsERx2aSk5mSWpRbp2yVw
ZdzfHVvwiK3i34Uu9gbG7axdjJwcEgImEk/mXWWBsMUkLtxbz9bFyMUhJLCUUeL0gU5mkISQ
QBuTxNKvuSA2m4C6xOmvH8AaRAQsJXY33WYEsZkFSiVWbVoMVi8s4Cmxe8sisAUsAqoSbfuu
A9kcHLwC0RLPzxdC7JKTuHJ9OhtImFPAXOLVFUYQU0jATOLoD1nsohMY+RcwMqxiFE0tTS4o
TkrPNdIrTswtLs1L10vOz93ECAmtrzsYlx6zOsQowMGoxMP7w1gkTIg1say4MvcQowQHs5II
rwmXWJgQb0piZVVqUX58UWlOavEhRmkOFiVx3pm73ocICaQnlqRmp6YWpBbBZJk4OKUaGM9O
ftZvmD79YfK1ua7fX6X23wpsZQp+90WVM700mdFZ3T9Ca/XnGXq+l5VUukUNj858phnBpvr0
QHOipEI8x/dDWVw/TaXbl7+JtHQRF9x0+Fuh/AvVBwHrvPZuXhQwa75h7nlnngm/Vt5vORqt
Pyc7a9tvFc1gvnVbJ0zK0ttbenN9wczlq5RYijMSDbWYi4oTAeSp7AQpAgAA
Sender: linux-pci-owner@vger.kernel.org
Precedence: bulk
List-ID:
X-Mailing-List: linux-pci@vger.kernel.org
This patch allows PCI host controller to function even if part of resources
is unusable for some reason. An example is non-LPAE kernel on a machine
which has some 64-bit resources. Unusable resources will be just skipped
instead of a complete failure.
Signed-off-by: Pavel Fedin
---
drivers/of/of_pci.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/of/of_pci.c b/drivers/of/of_pci.c
index 5751dc5..ea7c2b6 100644
--- a/drivers/of/of_pci.c
+++ b/drivers/of/of_pci.c
@@ -223,8 +223,10 @@ int of_pci_get_host_bridge_resources(struct device_node *dev,
}
err = of_pci_range_to_resource(&range, dev, res);
- if (err)
- goto conversion_failed;
+ if (err) {
+ kfree(res);
+ continue;
+ }
if (resource_type(res) == IORESOURCE_IO) {
if (!io_base) {