From patchwork Sun Mar 27 16:13:41 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Scally X-Patchwork-Id: 12792854 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 7D56BC4167B for ; Sun, 27 Mar 2022 16:13:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235984AbiC0QPf (ORCPT ); Sun, 27 Mar 2022 12:15:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44406 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235977AbiC0QPf (ORCPT ); Sun, 27 Mar 2022 12:15:35 -0400 Received: from mail-wr1-x435.google.com (mail-wr1-x435.google.com [IPv6:2a00:1450:4864:20::435]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A0B3427CFF; Sun, 27 Mar 2022 09:13:56 -0700 (PDT) Received: by mail-wr1-x435.google.com with SMTP id w4so17008796wrg.12; Sun, 27 Mar 2022 09:13:56 -0700 (PDT) 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=MoaYREzq6jXyRyPsLV3DSxV09kFGjo/gj37Cv5lUcH8=; b=dbKQRX+2WDNHQwKo+f8wT6nYSnPGKx6p+cuJ4Bk1nqNvOIfJk9VO4Rgro7w+ZwYbDc r3GKJ40MrPoRL8731j2g2mhO4efwTtZDcAjuLV/fWod0FXFWAARiyvyTERf1fPrOLKsE KWDocqGRDXJhjS9YLjIb1yg75cd+bCLdz9Iyse7rT5/pE0hTR8cMCe/dxeea8Y4TTMIy LO/Y/Vmk4OzbI4x5/La7oiBS0KBGoB4JGrvHduEgJeDpPk51ZGUDn41M5aBiQIFWjn3K guJN5ya4tfRgHdSaNEZNQO9cIEryejVsbjoRZrnDvP6Ijqfeb2nPIQ4V3iBZMUHOrLOa UBVA== 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=MoaYREzq6jXyRyPsLV3DSxV09kFGjo/gj37Cv5lUcH8=; b=UJx4zeZyLFNFzYTkqSb0WaOu768L2cyv8I8oD/xeP4foq/XUxmNmxNBkoNl9n2zXMg PLBtOUiysDK0oYa3WTVo1g32dSMpP5wtMKc32HuFIwKWdT9vIjZdx34IBQdoLik/9Uzl mpNOClqW0foCpz6sHVWFVXJlPhwtSaTRMfrhXRhxw73CWrjt3zrVRDxrhUTLcDxQDytq /kmq2GRvsTbOtWAoFGH9AmZ6Bg98RKu6uBsjLGhNkpn0P3vs60lRLKfuDkehKL0UYSea CN2b+MB3EmWnuxN8I0oru8ZenLVhf5oZeoG1CUhzQqcUXBVr8yFq3oKH7Bm9L1pqdH9x nTMA== X-Gm-Message-State: AOAM531B2h9M2leLvNqhB40SPYbrvrqshq9R/5kkVpKAZhni1Q3PQS/U Hrvu8utw3uz8VaCFFabeD958S7SfDas= X-Google-Smtp-Source: ABdhPJyWhRnLzY0DHAkT/e+X5XKouMYHpLzaYGdW5A54blCDoptzan9nYsBawMS6AQMxvkcojpD1JA== X-Received: by 2002:adf:e18f:0:b0:204:444:dd0d with SMTP id az15-20020adfe18f000000b002040444dd0dmr17926225wrb.678.1648397635237; Sun, 27 Mar 2022 09:13:55 -0700 (PDT) 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 k2-20020a1ca102000000b0038c78fdd59asm13764924wme.39.2022.03.27.09.13.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 27 Mar 2022 09:13:54 -0700 (PDT) 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 v2 2/5] ACPI: bus: Add iterator for dependent devices Date: Sun, 27 Mar 2022 17:13:41 +0100 Message-Id: <20220327161344.50477-3-djrscally@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220327161344.50477-1-djrscally@gmail.com> References: <20220327161344.50477-1-djrscally@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Add a helper macro to iterate over ACPI devices that are flagged as consumers of an initial supplier ACPI device. Reviewed-by: Hans de Goede Signed-off-by: Daniel Scally --- Changes in v2: - switched to use acpi_dev_get_next_consumer_dev() in the loop init include/acpi/acpi_bus.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index cdc726d251b6..7fbe690a5b33 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -699,6 +699,17 @@ 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); +/** + * 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_next_consumer_dev(supplier, NULL); \ + 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 *