From patchwork Fri Apr 29 13:51:01 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Niklas Schnelle X-Patchwork-Id: 12832131 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 4FF17C433F5 for ; Fri, 29 Apr 2022 13:54:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1376687AbiD2N5k (ORCPT ); Fri, 29 Apr 2022 09:57:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53362 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1376765AbiD2N4q (ORCPT ); Fri, 29 Apr 2022 09:56:46 -0400 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 884DDCE679; Fri, 29 Apr 2022 06:51:56 -0700 (PDT) Received: from pps.filterd (m0187473.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 23TCPJna018469; Fri, 29 Apr 2022 13:51:51 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=RcNkQX5z7RIrwJgtlTJ9IWhaRouQF0bHtS4kZ+78lL0=; b=HMdoIP9EFNxuFZ0X/Qmzj7uO4amOVr764v05Zw6M6GcoUsjCAInRfauKkN/Oa2gf9t/P aeFn/wWcHb8w0kIsUvXkMo1ONl8+x5Jqoc3sXlcJvTwb5u2NzezKHk7vECZ78CDxoUbQ HgABBVsOpPKyXi29tDBZNMhnw1VD85SiJzPVrC/SkP6euIzQqsTBIAwjuHIz2bKimYWf BBkYJlvwm9oOjeXUqxbflaUBRXFlBcMPMrRimtDrTQaPeNzM2CgLzO9XErdeJvwfkcDd cqmP1P/nMCLpb76AFKJmYxjpWfnZ55kepfDg1+uq4ooab+qSPLyknZ3X+CarORDdQB8H yw== Received: from ppma06fra.de.ibm.com (48.49.7a9f.ip4.static.sl-reverse.com [159.122.73.72]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3fqvaq27ca-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 29 Apr 2022 13:51:51 +0000 Received: from pps.filterd (ppma06fra.de.ibm.com [127.0.0.1]) by ppma06fra.de.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 23TDRreh011863; Fri, 29 Apr 2022 13:51:48 GMT Received: from b06avi18626390.portsmouth.uk.ibm.com (b06avi18626390.portsmouth.uk.ibm.com [9.149.26.192]) by ppma06fra.de.ibm.com with ESMTP id 3fm8qhqaw8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 29 Apr 2022 13:51:48 +0000 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06avi18626390.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 23TDcbbU48038340 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 29 Apr 2022 13:38:37 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 182BB4C046; Fri, 29 Apr 2022 13:51:46 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D2F4D4C040; Fri, 29 Apr 2022 13:51:45 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Fri, 29 Apr 2022 13:51:45 +0000 (GMT) From: Niklas Schnelle To: Arnd Bergmann Cc: Greg Kroah-Hartman , linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-pci@vger.kernel.org, Arnd Bergmann Subject: [PATCH 35/37] /dev/port: don't compile file operations without CONFIG_DEVPORT Date: Fri, 29 Apr 2022 15:51:01 +0200 Message-Id: <20220429135108.2781579-64-schnelle@linux.ibm.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220429135108.2781579-1-schnelle@linux.ibm.com> References: <20220429135108.2781579-1-schnelle@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 8kqWhcxp0kwNlDdahw3pTFRK_m6w0aDr X-Proofpoint-GUID: 8kqWhcxp0kwNlDdahw3pTFRK_m6w0aDr X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.858,Hydra:6.0.486,FMLib:17.11.64.514 definitions=2022-04-29_06,2022-04-28_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 lowpriorityscore=0 phishscore=0 spamscore=0 mlxlogscore=978 clxscore=1015 impostorscore=0 priorityscore=1501 suspectscore=0 mlxscore=0 bulkscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2204290078 Precedence: bulk List-ID: X-Mailing-List: linux-pci@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: 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,