From patchwork Mon Jun 26 11:00:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 696739 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 E0972EB64DA for ; Mon, 26 Jun 2023 11:01:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230223AbjFZLBB (ORCPT ); Mon, 26 Jun 2023 07:01:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44848 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230240AbjFZLAx (ORCPT ); Mon, 26 Jun 2023 07:00:53 -0400 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 79B2710EA; Mon, 26 Jun 2023 04:00:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1687777231; x=1719313231; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=bhqeMcnIeLHiERhCVntd9eCy5M/ovDNlECDlMUUEH0Y=; b=S2iGQ3P3BXTyJWs8HIfWm1qP/Ayu9NZtY2sh3+b5v8J+nSud43Nrsyxn MOtnosfOKKtJihjK5dmG4sz0se3UpNmVWeXpDOkLE3gQXRROFpDFnDJtU 0SDUP08kgUYRjVKJOr/4AO0L195feEADnc/bjyDd7hyR3r8kQVHa649dW 2LoeA67zqs3yYQl4INZUmu6QEdfItHiXb2180sGuVnJN4Q8sDH9dZa/8M D03Q5xznXF/3zs1FVUqtKVPcm7fXeV4WBSrAR85sVOUCxc6egu4ZFwTA/ VmcF8vGmR/SKSH/V6B535yxLcVbL4zUaAWZNIYF2VSJBU8Z6Zfv1xz1vV A==; X-IronPort-AV: E=McAfee;i="6600,9927,10752"; a="351010844" X-IronPort-AV: E=Sophos;i="6.01,159,1684825200"; d="scan'208";a="351010844" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jun 2023 04:00:20 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10752"; a="781391001" X-IronPort-AV: E=Sophos;i="6.01,159,1684825200"; d="scan'208";a="781391001" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga008.fm.intel.com with ESMTP; 26 Jun 2023 04:00:17 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id F0E3378; Mon, 26 Jun 2023 14:00:27 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , "Rafael J. Wysocki" , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, acpica-devel@lists.linuxfoundation.org Cc: "Rafael J. Wysocki" , Len Brown , Andi Shyti , Robert Moore , Michael Walle Subject: [PATCH v3 1/4] ACPI: bus: Constify acpi_companion_match() returned value Date: Mon, 26 Jun 2023 14:00:23 +0300 Message-Id: <20230626110026.65825-2-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.40.0.1.gaa8946217a0b In-Reply-To: <20230626110026.65825-1-andriy.shevchenko@linux.intel.com> References: <20230626110026.65825-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org acpi_companion_match() doesn't alter the contents of the passed parameter, so we don't expect that returned value can be altered either. So constify it. Signed-off-by: Andy Shevchenko Reviewed-by: Andi Shyti --- drivers/acpi/bus.c | 6 +++--- drivers/acpi/device_sysfs.c | 2 +- drivers/acpi/internal.h | 2 +- 3 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index e3e0bd0c5a50..20cdfb37da79 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -682,7 +682,7 @@ bool acpi_device_is_first_physical_node(struct acpi_device *adev, * resources available from it but they will be matched normally using functions * provided by their bus types (and analogously for their modalias). */ -struct acpi_device *acpi_companion_match(const struct device *dev) +const struct acpi_device *acpi_companion_match(const struct device *dev) { struct acpi_device *adev; @@ -706,7 +706,7 @@ struct acpi_device *acpi_companion_match(const struct device *dev) * identifiers and a _DSD object with the "compatible" property, use that * property to match against the given list of identifiers. */ -static bool acpi_of_match_device(struct acpi_device *adev, +static bool acpi_of_match_device(const struct acpi_device *adev, const struct of_device_id *of_match_table, const struct of_device_id **of_id) { @@ -808,7 +808,7 @@ static bool __acpi_match_device_cls(const struct acpi_device_id *id, return true; } -static bool __acpi_match_device(struct acpi_device *device, +static bool __acpi_match_device(const struct acpi_device *device, const struct acpi_device_id *acpi_ids, const struct of_device_id *of_ids, const struct acpi_device_id **acpi_id, diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c index 0fbfbaa8d8e3..b9bbf0746199 100644 --- a/drivers/acpi/device_sysfs.c +++ b/drivers/acpi/device_sysfs.c @@ -283,7 +283,7 @@ int acpi_device_uevent_modalias(const struct device *dev, struct kobj_uevent_env } EXPORT_SYMBOL_GPL(acpi_device_uevent_modalias); -static int __acpi_device_modalias(struct acpi_device *adev, char *buf, int size) +static int __acpi_device_modalias(const struct acpi_device *adev, char *buf, int size) { int len, count; diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index 50dcb35c9965..f4148dc50b9c 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -121,7 +121,7 @@ int acpi_bus_register_early_device(int type); /* -------------------------------------------------------------------------- Device Matching and Notification -------------------------------------------------------------------------- */ -struct acpi_device *acpi_companion_match(const struct device *dev); +const struct acpi_device *acpi_companion_match(const struct device *dev); int __acpi_device_uevent_modalias(const struct acpi_device *adev, struct kobj_uevent_env *env);