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 C43BAC04E84 for ; Tue, 28 May 2019 23:02:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9AFDA21019 for ; Tue, 28 May 2019 23:02:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=babayev.com header.i=@babayev.com header.b="St/vjj6Q" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726753AbfE1XCr (ORCPT ); Tue, 28 May 2019 19:02:47 -0400 Received: from mail-pg1-f194.google.com ([209.85.215.194]:43918 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727783AbfE1XCg (ORCPT ); Tue, 28 May 2019 19:02:36 -0400 Received: by mail-pg1-f194.google.com with SMTP id f25so91752pgv.10 for ; Tue, 28 May 2019 16:02:36 -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=s2ViynWJZEyN8mcu6TmbFxSpMS7SsoypON3/YHWH96A=; b=St/vjj6Qqr4VrnqnZt7lhqXW524lNYAN8dAdBgBacW3KRPKYy8Wg6HrwtcmYXieLsr 2kwhx8/aTOPSBOgQBUK747dtMYB+e43bhpyGGz3RjdfZ+fUUYAxE0/TivmEU1fy9ZhQF 8x+OP7ChowWrXUwDhs0nuQce21mTBh4CPydsM= 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=s2ViynWJZEyN8mcu6TmbFxSpMS7SsoypON3/YHWH96A=; b=Mgk8/X1jhu9E/bqQoJFHBa6VeYgbDe6EXgZpIKQ4bqycbfuX+ig7PnaGh7d/t7fMPq HFteCspQcTNSQQ3CClv/aIy7sdEA65AcsznNbulom+V0vM9Nnz7aZpeKgthftyJywEmR LSv08dj6CipQVU5UG6U/kw6Zbfu01cZeJY9XDbp6WYWIqBu64IUZd5VYwiTFrUUT9CtT ApjbO+pYddKVvXInv3Nvh21rNhLqbnky7CUa/FtTmvFFGVt5ka9oHYsCPBoDRBJmywsT N/vw3vlQiZk3bIGkEk5BhMzAxFyecyMBJQAFSHa1BOJVShnz38C4uA7H/UM6BsX0Sei4 6jdw== X-Gm-Message-State: APjAAAWypAKhNv3Kdy09eo4IGf6q4mc38i6PeDROLpkxO4rGm4paxKNV 4JrMOTmw1DnFf8ihxk7PDQ5j9g== X-Google-Smtp-Source: APXvYqxkjw4TsyenlTd45BRn+EsgZDClxPQgonXCVk8Xvy+wPAE8+WBlyAt1u5RrmXA1QHPFV4LWSw== X-Received: by 2002:a62:5244:: with SMTP id g65mr23525695pfb.237.1559084555903; Tue, 28 May 2019 16:02:35 -0700 (PDT) Received: from p50.cisco.com ([128.107.241.183]) by smtp.gmail.com with ESMTPSA id p16sm27028196pfq.153.2019.05.28.16.02.34 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 28 May 2019 16:02:35 -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,v4 1/2] i2c: acpi: export i2c_acpi_find_adapter_by_handle Date: Tue, 28 May 2019 16:02:32 -0700 Message-Id: <20190528230233.26772-2-ruslan@babayev.com> X-Mailer: git-send-email 2.19.2 In-Reply-To: <20190528230233.26772-1-ruslan@babayev.com> References: <20190528230233.26772-1-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..e982b8913b73 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -14,6 +14,7 @@ #ifndef _LINUX_I2C_H #define _LINUX_I2C_H +#include /* for acpi_handle */ #include #include /* for struct device */ #include /* for completion */ @@ -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 handle) +{ + return NULL; +} #endif /* CONFIG_ACPI */ #endif /* _LINUX_I2C_H */ -- 2.19.2