From patchwork Mon Feb 13 13:20:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Fitzgerald X-Patchwork-Id: 653623 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 6BAF4C636D4 for ; Mon, 13 Feb 2023 13:21:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229628AbjBMNVC (ORCPT ); Mon, 13 Feb 2023 08:21:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58126 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229505AbjBMNVB (ORCPT ); Mon, 13 Feb 2023 08:21:01 -0500 Received: from mx0b-001ae601.pphosted.com (mx0b-001ae601.pphosted.com [67.231.152.168]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 255CDBDFB; Mon, 13 Feb 2023 05:21:00 -0800 (PST) Received: from pps.filterd (m0077474.ppops.net [127.0.0.1]) by mx0b-001ae601.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 31D4gR8p017058; Mon, 13 Feb 2023 07:20:50 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cirrus.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding : content-type; s=PODMain02222019; bh=a6KdMqV9U9YOz/15FX45aqFZVTUd19HQuUArG7NzmiU=; b=doGuSc7j4YPE6LAoDaliI69UgUjezremHk3GihC7AQkkCwfrlcinCWZbBewQBIkakSd1 lDPjmpsWxzkYx1iI2TcsKTsyiUrhSvdhDmShMJR9Mctt//OSlSleraKubH15dFY6UAjW ZFFurMYqlWpHGSahw+h8ju8Bmlmxq6x5GTIcq1VXu79GRxiwRk+alYjWCwzFJ+Sn2P9y OjVQdFPeuq8LFa0MSnzbCdKqdJj8ZoCpierCGT2O3NJOgpBTMqD90relGhLbXh0nNiAs aoV2x9oHu90SKl8i65tAdDCMQBhvb43dvCgkrMPqAs6CGI+RlWR05Pma9+XMIQ3K1ltr wg== Received: from ediex02.ad.cirrus.com ([84.19.233.68]) by mx0b-001ae601.pphosted.com (PPS) with ESMTPS id 3np8att8gp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 13 Feb 2023 07:20:50 -0600 Received: from ediex02.ad.cirrus.com (198.61.84.81) by ediex02.ad.cirrus.com (198.61.84.81) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.21; Mon, 13 Feb 2023 07:20:48 -0600 Received: from ediswmail.ad.cirrus.com (198.61.86.93) by anon-ediex02.ad.cirrus.com (198.61.84.81) with Microsoft SMTP Server id 15.2.1118.21 via Frontend Transport; Mon, 13 Feb 2023 07:20:48 -0600 Received: from edi-sw-dsktp-006.ad.cirrus.com (edi-sw-dsktp-006.ad.cirrus.com [198.90.251.127]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id DBBF5B0E; Mon, 13 Feb 2023 13:20:48 +0000 (UTC) From: Richard Fitzgerald To: , , CC: , , , Richard Fitzgerald Subject: [PATCH] PM: Add EXPORT macros for exporting PM functions Date: Mon, 13 Feb 2023 13:20:48 +0000 Message-ID: <20230213132048.2612961-1-rf@opensource.cirrus.com> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 X-Proofpoint-GUID: BejLWHeqiJjpbC1ikArkz3pqc5hxYECt X-Proofpoint-ORIG-GUID: BejLWHeqiJjpbC1ikArkz3pqc5hxYECt X-Proofpoint-Spam-Reason: safe Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Add a set of macros for exporting functions only if CONFIG_PM is enabled. The naming follows the style of the standard EXPORT_SYMBOL_*() macros that they replace. Sometimes a module wants to export PM functions directly to other drivers, not a complete struct dev_pm_ops. A typical example is where a core library exports the generic (shared) implementation and calling code wraps one or more of these in custom code. Signed-off-by: Richard Fitzgerald --- include/linux/pm.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/linux/pm.h b/include/linux/pm.h index 93cd34f00822..21618f7087f8 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -379,9 +379,17 @@ const struct dev_pm_ops name = { \ const struct dev_pm_ops name; \ __EXPORT_SYMBOL(name, sec, ns); \ const struct dev_pm_ops name +#define EXPORT_PM_FN(name) EXPORT_SYMBOL(name) +#define EXPORT_PM_FN_GPL(name) EXPORT_SYMBOL_GPL(name) +#define EXPORT_PM_FN_NS(name, ns) EXPORT_SYMBOL_NS(name, ns) +#define EXPORT_PM_FN_NS_GPL(name, ns) EXPORT_SYMBOL_NS_GPL(name, ns) #else #define _EXPORT_DEV_PM_OPS(name, sec, ns) \ static __maybe_unused const struct dev_pm_ops __static_##name +#define EXPORT_PM_FN(name) +#define EXPORT_PM_FN_GPL(name) +#define EXPORT_PM_FN_NS(name, ns) +#define EXPORT_PM_FN_NS_GPL(name, ns) #endif #define EXPORT_DEV_PM_OPS(name) _EXPORT_DEV_PM_OPS(name, "", "")