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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 66FFDC433F5 for ; Mon, 27 Dec 2021 16:45:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232103AbhL0QpL (ORCPT ); Mon, 27 Dec 2021 11:45:11 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:23050 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S230365AbhL0QoT (ORCPT ); Mon, 27 Dec 2021 11:44:19 -0500 Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 1BRGfpFj012078; Mon, 27 Dec 2021 16:43:55 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=1B/ikMdI9recSsvoWnx6ERZvPWBYY70quL3TrfuTclM=; b=Dn4HFKNTxFnBi2Mkawz0QpRXF2hsg6OKigNteERQ7fabzCJKR6o5RpE10jYPUkNloRWa UhqUX16ropuMsJbIjcMK7plb882bp++OIv5ENGv9Efacimt0tXwN3TlNj2iUtwcSx5wQ 9KAe8U1qVHf0pQNfdM1uq0QAjtYcMr2qvTcXSHSRflXccefRWaCs20G+B67tFmAVXMtD gbmu9KGWD15DQ7K4xVut0e5Q0RoLnOE+q9oSA6ba2kOGt9rXzkZg7gQ5Xk5hVNmiNCFu Pku8WMHnq4OaMQ0ZANVfS4E7JLqJQZv6ST+WnkBP8rBRiyVSrOKLFJaAZ687zH5Y0hi2 Hw== Received: from pps.reinject (localhost [127.0.0.1]) by mx0b-001b2d01.pphosted.com with ESMTP id 3d7h7ug11p-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 27 Dec 2021 16:43:54 +0000 Received: from m0098419.ppops.net (m0098419.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 1BRGgenW013937; Mon, 27 Dec 2021 16:43:54 GMT Received: from ppma05fra.de.ibm.com (6c.4a.5195.ip4.static.sl-reverse.com [149.81.74.108]) by mx0b-001b2d01.pphosted.com with ESMTP id 3d7h7ug11b-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 27 Dec 2021 16:43:54 +0000 Received: from pps.filterd (ppma05fra.de.ibm.com [127.0.0.1]) by ppma05fra.de.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 1BRGhKhr019783; Mon, 27 Dec 2021 16:43:52 GMT Received: from b06avi18878370.portsmouth.uk.ibm.com (b06avi18878370.portsmouth.uk.ibm.com [9.149.26.194]) by ppma05fra.de.ibm.com with ESMTP id 3d5tx92t5x-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 27 Dec 2021 16:43:52 +0000 Received: from b06wcsmtp001.portsmouth.uk.ibm.com (b06wcsmtp001.portsmouth.uk.ibm.com [9.149.105.160]) by b06avi18878370.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 1BRGhnh044761368 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 27 Dec 2021 16:43:49 GMT Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id BA880A405F; Mon, 27 Dec 2021 16:43:49 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4D663A405B; Mon, 27 Dec 2021 16:43:49 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 27 Dec 2021 16:43:49 +0000 (GMT) From: Niklas Schnelle To: Arnd Bergmann , Bjorn Helgaas , John Garry , Nick Hu , Greentime Hu , Vincent Chen , Paul Walmsley , Palmer Dabbelt , Albert Ou , Guo Ren Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-pci@vger.kernel.org, linux-riscv@lists.infradead.org, linux-csky@vger.kernel.org Subject: [RFC 27/32] PCI/sysfs: make I/O resource depend on HAS_IOPORT Date: Mon, 27 Dec 2021 17:43:12 +0100 Message-Id: <20211227164317.4146918-28-schnelle@linux.ibm.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20211227164317.4146918-1-schnelle@linux.ibm.com> References: <20211227164317.4146918-1-schnelle@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: ujuf9iMmvq98x9JQzuWVzyWWjxlWNq53 X-Proofpoint-ORIG-GUID: MUt-MUcYieEPSQclck_HrIpCkLiBQ8ug X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2021-12-27_08,2021-12-24_01,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 malwarescore=0 phishscore=0 spamscore=0 impostorscore=0 clxscore=1015 priorityscore=1501 adultscore=0 mlxscore=0 mlxlogscore=999 lowpriorityscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2112270080 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Exporting I/O resources only makes sense if legacy I/O spaces are supported so conditionally add them only if HAS_IOPORT is set. Co-developed-by: Arnd Bergmann Signed-off-by: Arnd Bergmann Signed-off-by: Niklas Schnelle --- drivers/pci/pci-sysfs.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index cfe2f85af09e..a59a85593972 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -1099,6 +1099,7 @@ static int pci_mmap_resource_wc(struct file *filp, struct kobject *kobj, return pci_mmap_resource(kobj, attr, vma, 1); } +#ifdef CONFIG_HAS_IOPORT static ssize_t pci_resource_io(struct file *filp, struct kobject *kobj, struct bin_attribute *attr, char *buf, loff_t off, size_t count, bool write) @@ -1157,6 +1158,21 @@ static ssize_t pci_write_resource_io(struct file *filp, struct kobject *kobj, return pci_resource_io(filp, kobj, attr, buf, off, count, true); } +#else +static ssize_t pci_read_resource_io(struct file *filp, struct kobject *kobj, + struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + return -ENXIO; +} + +static ssize_t pci_write_resource_io(struct file *filp, struct kobject *kobj, + struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + return -ENXIO; +} +#endif /** * pci_remove_resource_files - cleanup resource files -- 2.32.0