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 C34CFC433EF for ; Mon, 27 Dec 2021 16:44:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231231AbhL0Qo3 (ORCPT ); Mon, 27 Dec 2021 11:44:29 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:42328 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S230125AbhL0QoM (ORCPT ); Mon, 27 Dec 2021 11:44:12 -0500 Received: from pps.filterd (m0098413.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 1BRDkIMd013691; Mon, 27 Dec 2021 16:43:57 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=rYV9VE/VMJoalojpdsK4Id1E+mAKnmHuAyuSjAZnqms=; b=N5Ms6Rak69O2eTd4UiVaYE1CAsOHFbsyuoLC+vqmFf7sN0/fczLP/g9n9nDuCDOBQtP+ 4UQiQk4MiepkhrRzjukOmT3ezAMLRBMQU90LESpn0LlXvIXJct2Qt7w95dNKq5g+/TQh OGBUKQ32xSwcF9ey7aLvaBKE1CkIWFIG3Z1EiUNz1QcAjQN4ybrGUcvxItMGPBrVQ5xX 2YSAZYeafhwV1IqYbO6G1TnsFDenHTyrDspV1qwMMvE7LO//OvztBFMI3o5zW1zk64wO D0ZnyPV7+7H/yszSBOMiheH2Zndc1fJgqsK/+ZtlEAiSpH2w+8o6U7CACHH97JcPn/V3 Jg== Received: from pps.reinject (localhost [127.0.0.1]) by mx0b-001b2d01.pphosted.com with ESMTP id 3d7e5d3j94-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 27 Dec 2021 16:43:57 +0000 Received: from m0098413.ppops.net (m0098413.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 1BRGa2mW030470; Mon, 27 Dec 2021 16:43:56 GMT Received: from ppma03fra.de.ibm.com (6b.4a.5195.ip4.static.sl-reverse.com [149.81.74.107]) by mx0b-001b2d01.pphosted.com with ESMTP id 3d7e5d3j8m-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 27 Dec 2021 16:43:56 +0000 Received: from pps.filterd (ppma03fra.de.ibm.com [127.0.0.1]) by ppma03fra.de.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 1BRGhtU6010546; Mon, 27 Dec 2021 16:43:55 GMT Received: from b06cxnps3075.portsmouth.uk.ibm.com (d06relay10.portsmouth.uk.ibm.com [9.149.109.195]) by ppma03fra.de.ibm.com with ESMTP id 3d5tx9as42-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 27 Dec 2021 16:43:54 +0000 Received: from b06wcsmtp001.portsmouth.uk.ibm.com (b06wcsmtp001.portsmouth.uk.ibm.com [9.149.105.160]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 1BRGhq0k36307224 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 27 Dec 2021 16:43:52 GMT Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0B3FDA4060; Mon, 27 Dec 2021 16:43:52 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8661CA405C; Mon, 27 Dec 2021 16:43:51 +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 16:43:51 +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 , Arnd Bergmann , Greg Kroah-Hartman 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 30/32] /dev/port: don't compile file operations without CONFIG_DEVPORT Date: Mon, 27 Dec 2021 17:43:15 +0100 Message-Id: <20211227164317.4146918-31-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-ORIG-GUID: gyVIHlTrceY54FOT6heiCOtU1NBvLT-M X-Proofpoint-GUID: 5haca4oBfchx7d7VUcfO4JM968iHz4U0 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 priorityscore=1501 lowpriorityscore=0 adultscore=0 impostorscore=0 mlxscore=0 phishscore=0 suspectscore=0 malwarescore=0 mlxlogscore=999 bulkscore=0 spamscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2112270080 Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org In the future inb() and friends will not be available when compiling with CONFIG_HAS_IOPORT=n so we must only try to access them here if CONFIG_DEVPORT is set which depends on HAS_IOPORT. Co-developed-by: Arnd Bergmann Signed-off-by: Arnd Bergmann Signed-off-by: Niklas Schnelle --- drivers/char/mem.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/char/mem.c b/drivers/char/mem.c index cc296f0823bd..c1373617153f 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -402,6 +402,7 @@ static int mmap_mem(struct file *file, struct vm_area_struct *vma) return 0; } +#ifdef CONFIG_DEVPORT static ssize_t read_port(struct file *file, char __user *buf, size_t count, loff_t *ppos) { @@ -443,6 +444,7 @@ static ssize_t write_port(struct file *file, const char __user *buf, *ppos = i; return tmp-buf; } +#endif static ssize_t read_null(struct file *file, char __user *buf, size_t count, loff_t *ppos) @@ -665,12 +667,14 @@ static const struct file_operations null_fops = { .splice_write = splice_write_null, }; -static const struct file_operations __maybe_unused port_fops = { +#ifdef CONFIG_DEVPORT +static const struct file_operations port_fops = { .llseek = memory_lseek, .read = read_port, .write = write_port, .open = open_port, }; +#endif static const struct file_operations zero_fops = { .llseek = zero_lseek, -- 2.32.0