From patchwork Fri Jun 9 15:48:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 690933 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 51EE8C7EE2E for ; Fri, 9 Jun 2023 15:49:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241897AbjFIPtI (ORCPT ); Fri, 9 Jun 2023 11:49:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43876 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241902AbjFIPtG (ORCPT ); Fri, 9 Jun 2023 11:49:06 -0400 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6270C358C; Fri, 9 Jun 2023 08:49:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1686325742; x=1717861742; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Y+zkYbO5YK9WS+hVnRuiIYSGEwkKq9bB3JyPjPdLmHk=; b=SLyf/6tP4qRceqWuqNm70aTe0Pj2DCHDbVpxvpYL94IzfUzgoYkhORav cyD4SMTCpfhRYM0k/y4/vbdw7HLu6ZImwikcKDFGuEfJDAYAX4I3i4/eG AZMYlVnnYq91XXg/8CYWcuHmqi84zuY7CxqwTfERje3i1Ci3HkwARqbHd OcX5K59R6lWstq388Xey6h+eyT+jVy55g83Skb+/xc/AlOMPLYhrtjL28 7wOkpNYcD71zvODFTCWkgenWPqlg/pLcN8wtMV/lpKFGrxv0gIiBfxOdM adLzXQU05+yh6Tqr+Q9YHlEZagDQQZKdYayvU77GfZqi5lfcKs/hnchl7 Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10736"; a="423504368" X-IronPort-AV: E=Sophos;i="6.00,229,1681196400"; d="scan'208";a="423504368" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jun 2023 08:48:58 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10736"; a="854785637" X-IronPort-AV: E=Sophos;i="6.00,229,1681196400"; d="scan'208";a="854785637" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 09 Jun 2023 08:48:54 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 5E97534F; Fri, 9 Jun 2023 18:49:02 +0300 (EEST) From: Andy Shevchenko To: Damien Le Moal , Serge Semin , Andy Shevchenko , Greg Kroah-Hartman , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org Cc: Hans de Goede , Jens Axboe , "Rafael J. Wysocki" , Len Brown , Daniel Scally , Heikki Krogerus , Sakari Ailus Subject: [PATCH v2 2/3] device property: Implement device_is_compatible() Date: Fri, 9 Jun 2023 18:48:59 +0300 Message-Id: <20230609154900.43024-3-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.40.0.1.gaa8946217a0b In-Reply-To: <20230609154900.43024-1-andriy.shevchenko@linux.intel.com> References: <20230609154900.43024-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org Some users want to use the struct device pointer to see if the device is compatible in terms of Open Firmware specifications, i.e. if it has a 'compatible' property and it matches to the given value. Provide inline helper for the users. Signed-off-by: Andy Shevchenko --- include/linux/property.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/include/linux/property.h b/include/linux/property.h index 695053c60306..0222b77dd75c 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -85,6 +85,18 @@ bool fwnode_device_is_compatible(const struct fwnode_handle *fwnode, const char return fwnode_property_match_string(fwnode, "compatible", compat) >= 0; } +/** + * device_is_compatible - match 'compatible' property of the device with a given string + * @dev: Pointer to the struct device + * @compat: The string to match 'compatible' property with + * + * Returns: true if matches, otherwise false. + */ +static inline bool device_is_compatible(const struct device *dev, const char *compat) +{ + return fwnode_device_is_compatible(dev_fwnode(dev), compat); +} + int fwnode_property_get_reference_args(const struct fwnode_handle *fwnode, const char *prop, const char *nargs_prop, unsigned int nargs, unsigned int index,