From patchwork Mon Jun 26 11:00:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 13292627 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 E1D16EB64DC for ; Mon, 26 Jun 2023 11:00:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230000AbjFZLAe (ORCPT ); Mon, 26 Jun 2023 07:00:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44560 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229664AbjFZLAc (ORCPT ); Mon, 26 Jun 2023 07:00:32 -0400 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6BFC510DB; Mon, 26 Jun 2023 04:00:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1687777221; x=1719313221; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=cfkHmvhL16siboX9Cx9flRIYjtdn8/awF8GL0BpfHpU=; b=F3BZxFX6bPium+iZbkUPTbppIqKQW0/tgWrG28seB+980y/XOvOPbhtQ XgPNyVBi5djSbzEqWMp2r+JrbbxsXAaaCjPyNfKktp8D5qMhM4iVOP1h8 FbEKvvgVUGBnYJub+9XrgUS7Xkbpjy/wHkVwdiS0QhZFYbBQkyLk+pxgz B0jae98e1/CjMxb3d9VZkUn2UGD1tsV5OFJcXfxzG4HF/h1mmnaZpnszz KSrNrPBxb+Lo4zt14haJYCzckHcyFHp9CT5HGcp3BuL9zc0n6dGsJkZWl iZplQUeTBkt0vlZxzcFhDf5HSCyBAJrc4vnchvpADwG4bZ/l1YmjsquIN g==; X-IronPort-AV: E=McAfee;i="6600,9927,10752"; a="427232827" X-IronPort-AV: E=Sophos;i="6.01,159,1684825200"; d="scan'208";a="427232827" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jun 2023 04:00:19 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10752"; a="890245264" X-IronPort-AV: E=Sophos;i="6.01,159,1684825200"; d="scan'208";a="890245264" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga005.jf.intel.com with ESMTP; 26 Jun 2023 04:00:16 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 0C220370; Mon, 26 Jun 2023 14:00:28 +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 2/4] ACPI: bus: Introduce acpi_match_acpi_device() helper Date: Mon, 26 Jun 2023 14:00:24 +0300 Message-Id: <20230626110026.65825-3-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-acpi@vger.kernel.org In some cases we can't have a physical node associated with the ACPI device. Yet we want to match it against ID table and get respective driver data. Introduce the helper for that. Signed-off-by: Andy Shevchenko --- drivers/acpi/bus.c | 15 +++++++++++---- include/linux/acpi.h | 9 +++++++++ 2 files changed, 20 insertions(+), 4 deletions(-) diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 20cdfb37da79..ee88bfb60ac2 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -850,6 +850,16 @@ static bool __acpi_match_device(const struct acpi_device *device, return true; } +const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids, + const struct acpi_device *adev) +{ + const struct acpi_device_id *id = NULL; + + __acpi_match_device(adev, ids, NULL, &id, NULL); + return id; +} +EXPORT_SYMBOL_GPL(acpi_match_acpi_device); + /** * acpi_match_device - Match a struct device against a given list of ACPI IDs * @ids: Array of struct acpi_device_id object to match against. @@ -864,10 +874,7 @@ static bool __acpi_match_device(const struct acpi_device *device, const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, const struct device *dev) { - const struct acpi_device_id *id = NULL; - - __acpi_match_device(acpi_companion_match(dev), ids, NULL, &id, NULL); - return id; + return acpi_match_acpi_device(ids, acpi_companion_match(dev)); } EXPORT_SYMBOL_GPL(acpi_match_device); diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 640f1c07c894..641dc4843987 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -707,6 +707,9 @@ extern int acpi_nvs_register(__u64 start, __u64 size); extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), void *data); +const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids, + const struct acpi_device *adev); + const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, const struct device *dev); @@ -922,6 +925,12 @@ static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), struct acpi_device_id; +static inline const struct acpi_device_id *acpi_match_acpi_device( + const struct acpi_device_id *ids, const struct acpi_device *adev) +{ + return NULL; +} + static inline const struct acpi_device_id *acpi_match_device( const struct acpi_device_id *ids, const struct device *dev) {