From patchwork Wed Oct 5 14:38:11 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 613517 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 6C16CC433F5 for ; Wed, 5 Oct 2022 14:38:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229815AbiJEOiD (ORCPT ); Wed, 5 Oct 2022 10:38:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47486 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229980AbiJEOiB (ORCPT ); Wed, 5 Oct 2022 10:38:01 -0400 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9D6984F182; Wed, 5 Oct 2022 07:38:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1664980680; x=1696516680; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=2SPqUsjF5qBIF1pomEqZowlFagnMO4IU7LXTD0kTMtM=; b=HLGXsYxK+NvkObZb2TBHzQd9uyCFUFh075dM+Q4DZaZGq/0T0XsquJqK 8cEu7sbyOcZn8HtutUUO0353BaQo6qi8c69A184XQL5l/I3/mZQLUh0pd WNwgHE8bF0pc1dN68XhvdUFiZU80MDAuFUaB3xlii6h+H9T/mmtCZwJuW G8bktIooqp31ozFNzAadNgMjSfFb2qCNQXbZ25YofIVLOyRBepzAk+GHD 2+1ZoE1xbm+QlgaFZwaD97BtjUYqoZJJ0b7Uwx+lW3Pzu9uiZWVzlJraZ Ur5Y9dtA6rf35kQMJrQGWHtjUitYaKQ/NpPuUStgi9Liurkpprs+Emd03 Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10491"; a="282889703" X-IronPort-AV: E=Sophos;i="5.95,161,1661842800"; d="scan'208";a="282889703" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Oct 2022 07:38:00 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10491"; a="869420640" X-IronPort-AV: E=Sophos;i="5.95,161,1661842800"; d="scan'208";a="869420640" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga006.fm.intel.com with ESMTP; 05 Oct 2022 07:37:57 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 585C0155; Wed, 5 Oct 2022 17:38:17 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org Cc: Qiang Zhao , Li Yang , Daniel Scally , Heikki Krogerus , Sakari Ailus Subject: [PATCH v1 1/2] device property: Introduce fwnode_device_is_compatible() helper Date: Wed, 5 Oct 2022 17:38:11 +0300 Message-Id: <20221005143812.33503-1-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org The fwnode_device_is_compatible() helper searches for the given string in the "compatible" string array property and, if found, returns true. Signed-off-by: Andy Shevchenko --- include/linux/property.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/property.h b/include/linux/property.h index 1c26d263d5e4..4948a890b153 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -56,6 +56,11 @@ int device_property_match_string(struct device *dev, const char *propname, const char *string); bool fwnode_device_is_available(const struct fwnode_handle *fwnode); +bool fwnode_device_is_compatible(const struct fwnode_handle *fwnode, const char *compat) +{ + return fwnode_property_match_string(fwnode, "compatible", compat) >= 0; +} + bool fwnode_property_present(const struct fwnode_handle *fwnode, const char *propname); int fwnode_property_read_u8_array(const struct fwnode_handle *fwnode,