From patchwork Wed Feb 16 22:53:00 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Scally X-Patchwork-Id: 543058 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 BC8FFC433F5 for ; Wed, 16 Feb 2022 22:53:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237823AbiBPWxi (ORCPT ); Wed, 16 Feb 2022 17:53:38 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:52192 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237806AbiBPWxg (ORCPT ); Wed, 16 Feb 2022 17:53:36 -0500 Received: from mail-wr1-x42c.google.com (mail-wr1-x42c.google.com [IPv6:2a00:1450:4864:20::42c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 76EBF29E94C; Wed, 16 Feb 2022 14:53:23 -0800 (PST) Received: by mail-wr1-x42c.google.com with SMTP id d27so5813459wrc.6; Wed, 16 Feb 2022 14:53:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Q02S7DaGUIfYV0vlp3pYkDN2E9uoIt6l1gbx25MofQI=; b=RIfiq7SJqInA4/+xu3nfmHVrW/VoW7UayLokJP0hBCtkSgASOlzE2rMBuy0D99x28b vI87kZsN1G9YdabeTJWv34BC34cEfxQla/ADL/bCXcgbADdFLth/yt/TrYfQEt+I/37/ QkPxnTOnVOiyYEqDk1J/EWnKvG9IjZtT2lrfYQXW48O/EIA400bptxJZzMNIRQWtmnvE rEtpkHZSFQ4YYRO+TMGpGX3daZZ3405EKCeM5ktOU6HtVT4n+tSpZ6zFUk/4dGuYnroe HxE7DdM8uplVnA6FHb102luwtYADEjC9fBGc0eFfvoEnjto3vCZ6GndV4k6VQg7QtoH3 u6qg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Q02S7DaGUIfYV0vlp3pYkDN2E9uoIt6l1gbx25MofQI=; b=Qd+onMJZlcwb17VPmM+RjeLv2Z0ZeHtB7LQbmYzbI0D1V3NqS0u8EzqLu7FLpY8HM5 Tp4lwgxqXPbfN3nGKzHQ/tcow9uHdQXgCwOIAxiJxecpY9t1yNG2FD4qlnwMjevK44Pl hkZFiUVcTGm8agZyorKqVAcxE9pPA2YZ8c/u/1m6yc68djKaGQqnAxqcNTL59Gcl8jIj BQRv9CdEDDShN0hDoERXuTTpMUOVtMpCfmxgSEF17OpiwccLRkSaakV3YoZXFPhpl+Z0 osdqCSDE+wTFNeWe+4ABBmz/727o82l7dDWqfF2sa44A5KcEIu+8QfUdyv+xrNkRmbPU +nVQ== X-Gm-Message-State: AOAM532V9l48AscYoEWCmqatOJS1hYt2nrr6p3rTxnjq5Kun8kveZnnK hb9HnMZeut6VvqpHidX2ChdLH1trw0gtiA== X-Google-Smtp-Source: ABdhPJxF7uklk0THZAKmOV3uk417g2jgmFAETN4o1HRsC76CG2JUbRj/hHuCD86UY0fwiaf+l7rlqw== X-Received: by 2002:a5d:61d2:0:b0:1e3:c0b7:c3e7 with SMTP id q18-20020a5d61d2000000b001e3c0b7c3e7mr138484wrv.682.1645052002109; Wed, 16 Feb 2022 14:53:22 -0800 (PST) Received: from localhost.localdomain (cpc141996-chfd3-2-0-cust928.12-3.cable.virginm.net. [86.13.91.161]) by smtp.gmail.com with ESMTPSA id o125sm182539wme.37.2022.02.16.14.53.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Feb 2022 14:53:21 -0800 (PST) From: Daniel Scally To: linux-acpi@vger.kernel.org, linux-clk@vger.kernel.org, platform-driver-x86@vger.kernel.org Cc: rafael@kernel.org, lenb@kernel.org, mturquette@baylibre.com, sboyd@kernel.org, hdegoede@redhat.com, markgross@kernel.org, robert.moore@intel.com Subject: [PATCH 2/6] ACPI: bus: Add iterator for dependent devices Date: Wed, 16 Feb 2022 22:53:00 +0000 Message-Id: <20220216225304.53911-3-djrscally@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220216225304.53911-1-djrscally@gmail.com> References: <20220216225304.53911-1-djrscally@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org Add a helper macro to iterate over ACPI devices that are flagged as consumers of an initial supplier ACPI device. Signed-off-by: Daniel Scally --- include/acpi/acpi_bus.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 8b06fef04722..72103bcdd5b3 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -723,6 +723,18 @@ bool acpi_dev_ready_for_enumeration(const struct acpi_device *device); struct acpi_device *acpi_dev_get_next_consumer_dev(struct acpi_device *supplier, struct acpi_device *start); struct acpi_device *acpi_dev_get_first_consumer_dev(struct acpi_device *supplier); + +/** + * for_each_acpi_consumer_dev - iterate over the consumer ACPI devices for a + * given supplier + * @supplier: Pointer to the supplier's ACPI device + * @consumer: Pointer to &struct acpi_device to hold the consumer, initially NULL + */ +#define for_each_acpi_consumer_dev(supplier, consumer) \ + for (consumer = acpi_dev_get_first_consumer_dev(supplier); \ + consumer; \ + consumer = acpi_dev_get_next_consumer_dev(supplier, consumer)) + struct acpi_device * acpi_dev_get_next_match_dev(struct acpi_device *adev, const char *hid, const char *uid, s64 hrv); struct acpi_device *