From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DF925C072B1 for ; Tue, 28 May 2019 03:22:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B87E520675 for ; Tue, 28 May 2019 03:22:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=babayev.com header.i=@babayev.com header.b="HxAJo2zL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728016AbfE1DWQ (ORCPT ); Mon, 27 May 2019 23:22:16 -0400 Received: from mail-pl1-f193.google.com ([209.85.214.193]:46694 "EHLO mail-pl1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728014AbfE1DWQ (ORCPT ); Mon, 27 May 2019 23:22:16 -0400 Received: by mail-pl1-f193.google.com with SMTP id bb3so94649plb.13 for ; Mon, 27 May 2019 20:22:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=babayev.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=RvnS22Vw7XAhcXt2zuvExhCK61h5x09YzuI3QGbrOW0=; b=HxAJo2zLBzwF1O7ErXAMOfbWfvTV5o46g54d2wLULjNOEzi5SCXQfiX8ZBLZNeFDBp 8u0WgXz819r92LQtuj6oD9/ZRabFXwhcphsl+GSDGvexJrhKZvuekyR373KQOHIBTe7l O2fSc2wkVgte+kgh842w0NG0OM8W2CGgYdbVo= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=RvnS22Vw7XAhcXt2zuvExhCK61h5x09YzuI3QGbrOW0=; b=DtVawEmd6mDZ94uo6UJ3gZwdUrCXIQcaUz5O0JdI2tJMrQj5jIXY9n9s72imxFba6Q DdAfHgilcyxEqjMxzIXx9yLklY9bUlDYbn4hY4kLcpb/xlimGivV+eVVmgFenteztcn+ Y/H+S2TgsJn/6918S4nSdxROb6o+Ny/h8BnB3Vy7GMbsgR5aVQvVasBuKNnnt/vtXVt8 2CFVql8fVGB/U/5d+tzvPhJyZNiJ8Az8Aw/gHPptJ+1Z/8CXQnULk9b5USHF7quOBUfN fb5slo5owfe+yX4/qm3rknu9GQI+GLRzKgPxiq3o121uKfIUPXuljTBKZ/yaZ/VteRtZ nvyg== X-Gm-Message-State: APjAAAUtdtPA+0zNSTanP5cQtuAaLoiQqkmn7mkzWwjzkQoefgMg2BR5 Mp6lJxUlR3vx7NCROoEtgVOqHg== X-Google-Smtp-Source: APXvYqydaduSxme2jAQxP9C5+Efspfe8LRxLwVc0bz1+Yo10ZAYE8+GH3z+GE5psQ9C1F+0q3OghTA== X-Received: by 2002:a17:902:8a8f:: with SMTP id p15mr38042032plo.157.1559013735699; Mon, 27 May 2019 20:22:15 -0700 (PDT) Received: from p50.cisco.com ([128.107.241.177]) by smtp.gmail.com with ESMTPSA id h71sm933042pje.11.2019.05.27.20.22.14 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 27 May 2019 20:22:15 -0700 (PDT) From: Ruslan Babayev To: mika.westerberg@linux.intel.com, wsa@the-dreams.de, linux@armlinux.org.uk, andrew@lunn.ch, f.fainelli@gmail.com, hkallweit1@gmail.com, davem@davemloft.net Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, linux-acpi@vger.kernel.org, xe-linux-external@cisco.com Subject: [net-next,v3 1/2] i2c: acpi: export i2c_acpi_find_adapter_by_handle Date: Mon, 27 May 2019 20:22:12 -0700 Message-Id: <20190528032213.19839-2-ruslan@babayev.com> X-Mailer: git-send-email 2.19.2 In-Reply-To: <20190528032213.19839-1-ruslan@babayev.com> References: <20190528032213.19839-1-ruslan@babayev.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org This allows drivers to lookup i2c adapters on ACPI based systems similar to of_get_i2c_adapter_by_node() with DT based systems. Signed-off-by: Ruslan Babayev Cc: xe-linux-external@cisco.com --- drivers/i2c/i2c-core-acpi.c | 3 ++- include/linux/i2c.h | 6 ++++++ 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c index 272800692088..964687534754 100644 --- a/drivers/i2c/i2c-core-acpi.c +++ b/drivers/i2c/i2c-core-acpi.c @@ -337,7 +337,7 @@ static int i2c_acpi_find_match_device(struct device *dev, void *data) return ACPI_COMPANION(dev) == data; } -static struct i2c_adapter *i2c_acpi_find_adapter_by_handle(acpi_handle handle) +struct i2c_adapter *i2c_acpi_find_adapter_by_handle(acpi_handle handle) { struct device *dev; @@ -345,6 +345,7 @@ static struct i2c_adapter *i2c_acpi_find_adapter_by_handle(acpi_handle handle) i2c_acpi_find_match_adapter); return dev ? i2c_verify_adapter(dev) : NULL; } +EXPORT_SYMBOL_GPL(i2c_acpi_find_adapter_by_handle); static struct i2c_client *i2c_acpi_find_client_by_adev(struct acpi_device *adev) { diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 1308126fc384..9808993f5fd5 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -21,6 +21,7 @@ #include #include /* for Host Notify IRQ */ #include /* for struct device_node */ +#include /* for acpi_handle */ #include /* for swab16 */ #include @@ -981,6 +982,7 @@ bool i2c_acpi_get_i2c_resource(struct acpi_resource *ares, u32 i2c_acpi_find_bus_speed(struct device *dev); struct i2c_client *i2c_acpi_new_device(struct device *dev, int index, struct i2c_board_info *info); +struct i2c_adapter *i2c_acpi_find_adapter_by_handle(acpi_handle handle); #else static inline bool i2c_acpi_get_i2c_resource(struct acpi_resource *ares, struct acpi_resource_i2c_serialbus **i2c) @@ -996,6 +998,10 @@ static inline struct i2c_client *i2c_acpi_new_device(struct device *dev, { return NULL; } +static inline struct i2c_adapter *i2c_acpi_find_adapter_by_handle(acpi_handle h) +{ + return NULL; +} #endif /* CONFIG_ACPI */ #endif /* _LINUX_I2C_H */ -- 2.19.2