From patchwork Wed Sep 28 10:57:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 610122 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 53C68C6FA94 for ; Wed, 28 Sep 2022 10:58:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234021AbiI1K6f (ORCPT ); Wed, 28 Sep 2022 06:58:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42620 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233908AbiI1K6E (ORCPT ); Wed, 28 Sep 2022 06:58:04 -0400 Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8504A13D3F; Wed, 28 Sep 2022 03:57:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1664362654; x=1695898654; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=HF1Mt2sr/imN8PDjKm0WKOlrKY7u8sPFAeySuDlVVHU=; b=LSBL27ThzSuZg7X9bIdKtcKmR/rujtgTKm9sTYzAMAUmmYuzspBgUIPR ytEUtJ2YHIfsQGovDbQqlFy5AYqmsBG1IVpuZa4K+eXGYfHanb3PXopu1 goXah1oQ4MmpJgwAGEXEiyAF41rr99N4HYt+FMvvkXizx0RuQ/SHwB4As S+ybMcUP++MSOQLOBy//ec6Wa0ZVU1TP20wk3eoLuOfmyZTDMUKuixrhy 4NoH9FP+wnATuxGBQJ9rDsQteKWwVZARbEOEd+NHMJra6u1VHlzgQ8vVE xPw30QcoZjZP2cXPRqeLu9/UTxG7F+Q6tVV2opdA8QVe83kOKxh8xANtS g==; X-IronPort-AV: E=McAfee;i="6500,9779,10483"; a="300288926" X-IronPort-AV: E=Sophos;i="5.93,351,1654585200"; d="scan'208";a="300288926" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Sep 2022 03:57:33 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10483"; a="572995039" X-IronPort-AV: E=Sophos;i="5.93,351,1654585200"; d="scan'208";a="572995039" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga003.jf.intel.com with ESMTP; 28 Sep 2022 03:57:30 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 1A0D050D; Wed, 28 Sep 2022 13:57:49 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Sakari Ailus , Heikki Krogerus , Greg Kroah-Hartman , Bjorn Andersson , Prashant Malani , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Cc: Daniel Scally , "Rafael J. Wysocki" Subject: [PATCH v2 4/5] device property: Constify device child node APIs Date: Wed, 28 Sep 2022 13:57:45 +0300 Message-Id: <20220928105746.51208-5-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220928105746.51208-1-andriy.shevchenko@linux.intel.com> References: <20220928105746.51208-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org The device parameter is not altered in the device child node APIs, constify them. Signed-off-by: Andy Shevchenko Acked-by: Heikki Krogerus Reviewed-by: Sakari Ailus --- drivers/base/property.c | 10 +++++----- include/linux/property.h | 12 ++++++------ 2 files changed, 11 insertions(+), 11 deletions(-) diff --git a/drivers/base/property.c b/drivers/base/property.c index 1a1616c9b599..04eb5e0ab407 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -763,10 +763,10 @@ EXPORT_SYMBOL_GPL(fwnode_get_next_available_child_node); * @dev: Device to find the next child node for. * @child: Handle to one of the device's child nodes or a null handle. */ -struct fwnode_handle *device_get_next_child_node(struct device *dev, +struct fwnode_handle *device_get_next_child_node(const struct device *dev, struct fwnode_handle *child) { - const struct fwnode_handle *fwnode = dev_fwnode(dev); + const struct fwnode_handle *fwnode = dev_fwnode_const(dev); struct fwnode_handle *next; if (IS_ERR_OR_NULL(fwnode)) @@ -800,10 +800,10 @@ EXPORT_SYMBOL_GPL(fwnode_get_named_child_node); * @dev: Device to find the named child node for. * @childname: String to match child node name against. */ -struct fwnode_handle *device_get_named_child_node(struct device *dev, +struct fwnode_handle *device_get_named_child_node(const struct device *dev, const char *childname) { - return fwnode_get_named_child_node(dev_fwnode(dev), childname); + return fwnode_get_named_child_node(dev_fwnode_const(dev), childname); } EXPORT_SYMBOL_GPL(device_get_named_child_node); @@ -859,7 +859,7 @@ EXPORT_SYMBOL_GPL(fwnode_device_is_available); * device_get_child_node_count - return the number of child nodes for device * @dev: Device to cound the child nodes for */ -unsigned int device_get_child_node_count(struct device *dev) +unsigned int device_get_child_node_count(const struct device *dev) { struct fwnode_handle *child; unsigned int count = 0; diff --git a/include/linux/property.h b/include/linux/property.h index fe440211e529..31dd6cbea9b0 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -110,16 +110,16 @@ struct fwnode_handle *fwnode_get_next_available_child_node( for (child = fwnode_get_next_available_child_node(fwnode, NULL); child;\ child = fwnode_get_next_available_child_node(fwnode, child)) -struct fwnode_handle *device_get_next_child_node( - struct device *dev, struct fwnode_handle *child); +struct fwnode_handle *device_get_next_child_node(const struct device *dev, + struct fwnode_handle *child); #define device_for_each_child_node(dev, child) \ for (child = device_get_next_child_node(dev, NULL); child; \ child = device_get_next_child_node(dev, child)) -struct fwnode_handle *fwnode_get_named_child_node( - const struct fwnode_handle *fwnode, const char *childname); -struct fwnode_handle *device_get_named_child_node(struct device *dev, +struct fwnode_handle *fwnode_get_named_child_node(const struct fwnode_handle *fwnode, + const char *childname); +struct fwnode_handle *device_get_named_child_node(const struct device *dev, const char *childname); struct fwnode_handle *fwnode_handle_get(struct fwnode_handle *fwnode); @@ -128,7 +128,7 @@ void fwnode_handle_put(struct fwnode_handle *fwnode); int fwnode_irq_get(const struct fwnode_handle *fwnode, unsigned int index); int fwnode_irq_get_byname(const struct fwnode_handle *fwnode, const char *name); -unsigned int device_get_child_node_count(struct device *dev); +unsigned int device_get_child_node_count(const struct device *dev); static inline bool device_property_read_bool(struct device *dev, const char *propname)