From patchwork Sat Dec 2 04:27:40 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sinan Kaya X-Patchwork-Id: 10088497 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id C946A60595 for ; Sat, 2 Dec 2017 04:29:55 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C1A8E2A029 for ; Sat, 2 Dec 2017 04:29:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B60272A0DB; Sat, 2 Dec 2017 04:29:55 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 690482A029 for ; Sat, 2 Dec 2017 04:29:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752166AbdLBE3j (ORCPT ); Fri, 1 Dec 2017 23:29:39 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:40524 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751686AbdLBE15 (ORCPT ); Fri, 1 Dec 2017 23:27:57 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id A8FDE60852; Sat, 2 Dec 2017 04:27:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1512188876; bh=Laksd3iPt6qDo2/wkF2gKg96GGmmOu8C+I8tyAMQ3o0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MvM2icB7244pmpBZ0SIxgDhn+cEijXjIWORb7jKj5SFfvijguVv+q9M8BvVVq1ywv dVJ8oJcPS+s81DOwWL6kWJT6M7UP2qNMcl8TJMFjh87dZmECKTiMTPZyS/nWzT0jaY N2hHMK4t+W+miSedQOcLmqR8W2dqJSFIJSYHTMeQ= Received: from drakthul.qualcomm.com (global_nat1_iad_fw.qualcomm.com [129.46.232.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: okaya@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 874056083C; Sat, 2 Dec 2017 04:27:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1512188876; bh=Laksd3iPt6qDo2/wkF2gKg96GGmmOu8C+I8tyAMQ3o0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MvM2icB7244pmpBZ0SIxgDhn+cEijXjIWORb7jKj5SFfvijguVv+q9M8BvVVq1ywv dVJ8oJcPS+s81DOwWL6kWJT6M7UP2qNMcl8TJMFjh87dZmECKTiMTPZyS/nWzT0jaY N2hHMK4t+W+miSedQOcLmqR8W2dqJSFIJSYHTMeQ= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 874056083C Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=okaya@codeaurora.org From: Sinan Kaya To: dmaengine@vger.kernel.org, timur@codeaurora.org, devicetree@vger.kernel.org Cc: linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Sinan Kaya , Greg Kroah-Hartman , "Rafael J. Wysocki" , Len Brown , Mika Westerberg , Sakari Ailus , Dmitry Torokhov , Rob Herring , Kieran Bingham , linux-kernel@vger.kernel.org (open list), linux-acpi@vger.kernel.org (open list:ACPI) Subject: [PATCH V5 3/7] device property: Introduce a common API to fetch device match data Date: Fri, 1 Dec 2017 23:27:40 -0500 Message-Id: <1512188864-773-4-git-send-email-okaya@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1512188864-773-1-git-send-email-okaya@codeaurora.org> References: <1512188864-773-1-git-send-email-okaya@codeaurora.org> Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP There is an OF/ACPI function to obtain the driver data. We want to hide OF/ACPI details from the device drivers and abstract following the device family of functions. Signed-off-by: Sinan Kaya --- drivers/base/property.c | 7 +++++++ include/linux/fwnode.h | 4 ++++ include/linux/property.h | 2 ++ 3 files changed, 13 insertions(+) diff --git a/drivers/base/property.c b/drivers/base/property.c index 7ed99c1..dfc53af 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -1335,3 +1335,10 @@ int fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode, return fwnode_call_int_op(fwnode, graph_parse_endpoint, endpoint); } EXPORT_SYMBOL(fwnode_graph_parse_endpoint); + +void *device_get_match_data(struct device *dev) +{ + return fwnode_call_ptr_op(dev_fwnode(dev), get_match_data, + dev->driver); +} +EXPORT_SYMBOL_GPL(device_get_match_data); diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h index 0c35b6c..6e5e1dd 100644 --- a/include/linux/fwnode.h +++ b/include/linux/fwnode.h @@ -15,6 +15,7 @@ #include struct fwnode_operations; +struct device_driver; struct fwnode_handle { struct fwnode_handle *secondary; @@ -66,6 +67,7 @@ struct fwnode_reference_args { * endpoint node. * @graph_get_port_parent: Return the parent node of a port node. * @graph_parse_endpoint: Parse endpoint for port and endpoint id. + * @get_match_data: Return the driver match data. */ struct fwnode_operations { void (*get)(struct fwnode_handle *fwnode); @@ -101,6 +103,8 @@ struct fwnode_operations { (*graph_get_port_parent)(struct fwnode_handle *fwnode); int (*graph_parse_endpoint)(const struct fwnode_handle *fwnode, struct fwnode_endpoint *endpoint); + void *(*get_match_data)(const struct fwnode_handle *fwnode, + const struct device_driver *drv); }; #define fwnode_has_op(fwnode, op) \ diff --git a/include/linux/property.h b/include/linux/property.h index 6bebee1..01fa55b 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -275,6 +275,8 @@ int device_add_properties(struct device *dev, enum dev_dma_attr device_get_dma_attr(struct device *dev); +void *device_get_match_data(struct device *dev); + int device_get_phy_mode(struct device *dev); void *device_get_mac_address(struct device *dev, char *addr, int alen);